* Re: powerpc allyesconfig / allmodconfig linux-next next-20160729 - next-20160729 build failures
From: Arnd Bergmann @ 2016-08-04 10:37 UTC (permalink / raw)
To: linuxppc-dev
Cc: Stephen Rothwell, linux-kernel@vger.kernel.org, Nicholas Piggin,
Luis R. Rodriguez, linux-next, Paul Mackerras, Fengguang Wu,
Guenter Roeck
In-Reply-To: <10480058.bD2uPUOBSy@wuerfel>
On Thursday, August 4, 2016 11:00:49 AM CEST Arnd Bergmann wrote:
> I tried this
>
> diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
> index b5e40ed86e60..89bca1a25916 100755
> --- a/scripts/link-vmlinux.sh
> +++ b/scripts/link-vmlinux.sh
> @@ -44,7 +44,7 @@ modpost_link()
> local objects
>
> if [ -n "${CONFIG_THIN_ARCHIVES}" ]; then
> - objects="--whole-archive ${KBUILD_VMLINUX_INIT} ${KBUILD_VMLINUX_MAIN} --no-whole-archive"
> + objects="${KBUILD_VMLINUX_INIT} ${KBUILD_VMLINUX_MAIN}"
> else
> objects="${KBUILD_VMLINUX_INIT} --start-group ${KBUILD_VMLINUX_MAIN} --end-group"
> fi
>
> but that did not seem to change anything, the extra symbols are
> still there. I have not tried to understand what that actually
> does, so maybe I misunderstood your suggestion.
>
On a second attempt, I did the same change for vmlinux instead of the
module (d'oh), and got a link failure instead:
arch/arm/mm/proc-xscale.o: In function `cpu_xscale_do_resume':
(.text+0x3d4): undefined reference to `cpu_resume_mmu'
arch/arm/kernel/setup.o: In function `setup_arch':
setup.c:(.init.text+0x910): undefined reference to `init_uts_ns'
kernel/nsproxy.o:(.data+0x4): undefined reference to `init_uts_ns'
kernel/sched/core.o: In function `update_rq_clock':
core.c:(.text+0x6d8): undefined reference to `paravirt_steal_rq_enabled'
core.c:(.text+0x6dc): undefined reference to `pv_time_ops'
kernel/sched/cputime.o: In function `account_process_tick':
cputime.c:(.text+0x794): undefined reference to `paravirt_steal_enabled'
cputime.c:(.text+0x7a0): undefined reference to `pv_time_ops'
kernel/locking/lockdep.o: In function `save_trace':
lockdep.c:(.text+0xfe8): undefined reference to `save_stack_trace'
kernel/module.o: In function `load_module':
module.c:(.text+0x1b54): undefined reference to `elf_check_arch'
module.c:(.text+0x2024): undefined reference to `apply_relocate'
kernel/debug/debug_core.o: In function `kgdb_unregister_io_module':
debug_core.c:(.text+0x2e4): undefined reference to `kgdb_arch_exit'
kernel/debug/debug_core.o: In function `kgdb_arch_set_breakpoint':
debug_core.c:(.text+0x3bc): undefined reference to `arch_kgdb_ops'
kernel/debug/debug_core.o: In function `dbg_remove_all_break':
debug_core.c:(.text+0x6d0): undefined reference to `arch_kgdb_ops'
...
However, I also see a link failure in some rare configurations
with just your patch:
arch/arm/lib/lib.a(io-acorn.o): In function `outsl':
(.text+0x38): undefined reference to `printk'
The problem being a file in a library object that is not referenced,
but that references another symbol that is not defined
(CONFIG_PRINTK=n).
Arnd
^ permalink raw reply
* Re: powerpc allyesconfig / allmodconfig linux-next next-20160729 - next-20160729 build failures
From: Arnd Bergmann @ 2016-08-04 9:00 UTC (permalink / raw)
To: linuxppc-dev
Cc: Stephen Rothwell, linux-kernel@vger.kernel.org, Nicholas Piggin,
Luis R. Rodriguez, linux-next, Paul Mackerras, Fengguang Wu,
Guenter Roeck
In-Reply-To: <20160804101051.39ca1e26@canb.auug.org.au>
On Thursday, August 4, 2016 10:10:51 AM CEST Stephen Rothwell wrote:
> Hi Arnd,
>
> On Wed, 03 Aug 2016 20:52:48 +0200 Arnd Bergmann <arnd@arndb.de> wrote:
> >
> > Most of the difference appears to be in branch trampolines (634 added,
> > 559 removed, 14837 unchanged) as you suspect, but I also see a couple
> > of symbols show up in vmlinux that were not there before:
> >
> > -A __crc_dma_noop_ops
> > -D dma_noop_ops
> > -R __clz_tab
> > -r fdt_errtable
> > -r __kcrctab_dma_noop_ops
> > -r __kstrtab_dma_noop_ops
> > -R __ksymtab_dma_noop_ops
> > -t dma_noop_alloc
> > -t dma_noop_free
> > -t dma_noop_map_page
> > -t dma_noop_mapping_error
> > -t dma_noop_map_sg
> > -t dma_noop_supported
> > -T fdt_add_reservemap_entry
> > -T fdt_begin_node
> > -T fdt_create
> > -T fdt_create_empty_tree
> > -T fdt_end_node
> > -T fdt_finish
> > -T fdt_finish_reservemap
> > -T fdt_property
> > -T fdt_resize
> > -T fdt_strerror
> > -T find_cpio_data
> >
> > From my first look, it seems that all of lib/*.o is now getting linked
> > into vmlinux, while we traditionally leave out everything from lib/
> > that is not referenced.
>
> You could try removing the --{,no-}whole-archive arguments to ld in
> scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh. Last time I did
> that, though, a whole lot of stuff failed to be linked in. (Especially
> stuff only referenced by EXPORT_SYMBOL()s, bu that may have been fixed).
I tried this
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index b5e40ed86e60..89bca1a25916 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -44,7 +44,7 @@ modpost_link()
local objects
if [ -n "${CONFIG_THIN_ARCHIVES}" ]; then
- objects="--whole-archive ${KBUILD_VMLINUX_INIT} ${KBUILD_VMLINUX_MAIN} --no-whole-archive"
+ objects="${KBUILD_VMLINUX_INIT} ${KBUILD_VMLINUX_MAIN}"
else
objects="${KBUILD_VMLINUX_INIT} --start-group ${KBUILD_VMLINUX_MAIN} --end-group"
fi
but that did not seem to change anything, the extra symbols are
still there. I have not tried to understand what that actually
does, so maybe I misunderstood your suggestion.
> > I also see a noticeable overhead in link time, the numbers are for
> > a cache-hot rebuild after a successful allyesconfig build, using a
> > 24-way Opteron@2.5Ghz, just relinking vmlinux:
>
> I was afraid of that, but it is offset by the time saved by not doing
> the "ld -r"s along the way? It may also be that (for powerpc anyway)
> the linker is doing a better job.
At least on a big SMP system, it doesn't seem to make much difference,
as the "ld -r" steps are easily parallized
$ find build/ -name built-in.o | xargs rm ; time make -skj30 vmlinux
real 2m12.092s
user 3m52.932s
sys 0m51.248s
$ time make -skj30 vmlinux
real 2m12.162s
user 3m44.788s
sys 0m47.788s
I tried this twice with identical results: "user" time increases
by eight seconds today when we have to rebuild all "built-in.o"
files rather than just relinking vmlinux, but elapsed time
is unchanged.
After your patch that difference becomes smaller (three seconds
in one run, could be within the noise), but we still have the
extra two minutes for the total build time:
$ find build/ -name built-in.o | xargs rm ; time make -skj30 vmlinux
real 4m20.717s
user 5m47.556s
sys 0m54.128s
$ time make -skj30 vmlinux
real 4m18.835s
user 5m44.552s
sys 0m53.152s
FWIW, here is a sample build output I get on an allyesconfig build,
with timestamps added:
$ time make W= -kj30 vmlinux
make[1]: Entering directory '/git/arm-soc'
make[2]: Entering directory '/git/arm-soc/build/tmp'
10:46:12 CHK include/config/kernel.release
10:46:13 GEN ./Makefile
10:46:13 CHK include/generated/uapi/linux/version.h
Using /git/arm-soc as source for kernel
10:46:13 CHK include/generated/utsrelease.h
10:46:13 CHK include/generated/timeconst.h
10:46:13 CHK include/generated/bounds.h
10:46:13 CHK include/generated/asm-offsets.h
10:46:13 CALL /git/arm-soc/scripts/checksyscalls.sh
10:46:14 CHK include/generated/compile.h
10:46:18 CHK kernel/config_data.h
10:46:20 CC drivers/misc/lkdtm_rodata.o
10:46:20 OBJCOPY drivers/misc/lkdtm_rodata_objcopy.o
10:46:20 LD drivers/misc/lkdtm.o
10:46:20 LD drivers/misc/built-in.o
10:46:20 DTC drivers/gpu/drm/tilcdc/tilcdc_slave_compat.dtb
10:46:20 DTB drivers/gpu/drm/tilcdc/tilcdc_slave_compat.dtb.S
10:46:20 AS drivers/gpu/drm/tilcdc/tilcdc_slave_compat.dtb.o
10:46:20 LD drivers/gpu/drm/tilcdc/built-in.o
rm drivers/gpu/drm/tilcdc/tilcdc_slave_compat.dtb.S drivers/gpu/drm/tilcdc/tilcdc_slave_compat.dtb
10:46:33 LD drivers/gpu/drm/built-in.o
10:46:33 LD drivers/gpu/built-in.o
10:46:36 CHK include/generated/uapi/linux/version.h
10:46:36 LINK vmlinux
10:46:37 LD vmlinux.o
10:47:14 MODPOST vmlinux.o
10:47:16 GEN .version
10:47:17 CHK include/generated/compile.h
10:47:17 UPD include/generated/compile.h
10:47:17 CC init/version.o
10:47:17 LD init/built-in.o
10:48:09 KSYM .tmp_kallsyms1.o
10:49:19 KSYM .tmp_kallsyms2.o
10:49:33 LD vmlinux
10:50:27 SORTEX vmlinux
10:50:27 SYSMAP System.map
make[2]: Leaving directory '/git/arm-soc/build/tmp'
make[1]: Leaving directory '/git/arm-soc'
real 4m18.033s
user 5m44.728s
sys 0m52.724s
(yes, I also just realized we should fix the tilcdc and lkdtm drivers
to not force a rebuild).
Arnd
^ permalink raw reply related
* next-20160804 build: 0 failures 1 warnings (next-20160804)
From: Build bot for Mark Brown @ 2016-08-04 8:22 UTC (permalink / raw)
To: kernel-build-reports, linaro-kernel, linux-next
Tree/Branch: next-20160804
Git describe: next-20160804
Commit: 4d9dc2a0ba Add linux-next specific files for 20160804
Build Time: 87 min 49 sec
Passed: 9 / 9 (100.00 %)
Failed: 0 / 9 ( 0.00 %)
Errors: 0
Warnings: 1
Section Mismatches: 0
-------------------------------------------------------------------------------
defconfigs with issues (other than build errors):
1 warnings 0 mismatches : arm-allmodconfig
-------------------------------------------------------------------------------
Warnings Summary: 1
1 ../drivers/tty/serial/8250/8250_fintek.c:34:0: warning: "IRQ_MODE" redefined
===============================================================================
Detailed per-defconfig build reports below:
-------------------------------------------------------------------------------
arm-allmodconfig : PASS, 0 errors, 1 warnings, 0 section mismatches
Warnings:
../drivers/tty/serial/8250/8250_fintek.c:34:0: warning: "IRQ_MODE" redefined
-------------------------------------------------------------------------------
Passed with no errors, warnings or mismatches:
arm64-allnoconfig
arm64-allmodconfig
arm-multi_v5_defconfig
arm-multi_v7_defconfig
x86_64-defconfig
arm-allnoconfig
x86_64-allnoconfig
arm64-defconfig
close failed in file object destructor:
sys.excepthook is missing
lost sys.stderr
^ permalink raw reply
* linux-next: Tree for Aug 4
From: Stephen Rothwell @ 2016-08-04 4:13 UTC (permalink / raw)
To: linux-next; +Cc: linux-kernel
Hi all,
Please do not add material destined for v4.9 to your linux-next included
branches until after v4.8-rc1 has been released.
Changes since 20160803:
The v4l-dvb tree gained a conflict against Linus' tree.
The thermal-soc tree gained a conflict against the thermal tree.
Non-merge commits (relative to Linus' tree): 973
1499 files changed, 45968 insertions(+), 74088 deletions(-)
----------------------------------------------------------------------------
I have created today's linux-next tree at
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
(patches at http://www.kernel.org/pub/linux/kernel/next/ ). If you
are tracking the linux-next tree using git, you should not use "git pull"
to do so as that will try to merge the new linux-next release with the
old one. You should use "git fetch" and checkout or reset to the new
master.
You can see which trees have been included by looking in the Next/Trees
file in the source. There are also quilt-import.log and merge.log
files in the Next directory. Between each merge, the tree was built
with a ppc64_defconfig for powerpc and an allmodconfig (with
CONFIG_BUILD_DOCSRC=n) for x86_64, a multi_v7_defconfig for arm and a
native build of tools/perf. After the final fixups (if any), I do an
x86_64 modules_install followed by builds for x86_64 allnoconfig,
powerpc allnoconfig (32 and 64 bit), ppc44x_defconfig, allyesconfig
(this fails its final link) and pseries_le_defconfig and i386, sparc
and sparc64 defconfig.
Below is a summary of the state of the merge.
I am currently merging 241 trees (counting Linus' and 35 trees of patches
pending for Linus' tree).
Stats about the size of the tree over time can be seen at
http://neuling.org/linux-next-size.html .
Status of my local build tests will be at
http://kisskb.ellerman.id.au/linux-next . If maintainers want to give
advice about cross compilers/configs that work, we are always open to add
more builds.
Thanks to Randy Dunlap for doing many randconfig builds. And to Paul
Gortmaker for triage and bug fixes.
--
Cheers,
Stephen Rothwell
$ git checkout master
$ git reset --hard stable
Merging origin/master (4620a06e4b3c shmem: Fix link error if huge pages support is disabled)
Merging fixes/master (77a87824ed67 clocksource/drivers/clps_711x: fixup for "ARM: clps711x:)
Merging kbuild-current/rc-fixes (b36fad65d61f kbuild: Initialize exported variables)
Merging arc-current/for-curr (9bd54517ee86 arc: unwind: warn only once if DW2_UNWIND is disabled)
Merging arm-current/fixes (f6492164ecb1 ARM: 8577/1: Fix Cortex-A15 798181 errata initialization)
Merging m68k-current/for-linus (6bd80f372371 m68k/defconfig: Update defconfigs for v4.7-rc2)
Merging metag-fixes/fixes (0164a711c97b metag: Fix ioremap_wc/ioremap_cached build errors)
Merging powerpc-fixes/fixes (bad60e6f259a Merge tag 'powerpc-4.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux)
Merging powerpc-merge-mpe/fixes (bc0195aad0da Linux 4.2-rc2)
Merging sparc/master (4620a06e4b3c shmem: Fix link error if huge pages support is disabled)
Merging net/master (7cf210dc2678 Merge branch 'qlcnic-fixes')
Merging ipsec/master (6916fb3b10b3 xfrm: Ignore socket policies when rebuilding hash tables)
Merging netfilter/master (43dcff349f09 net: qlcnic: avoid superfluous assignement)
Merging ipvs/master (ea43f860d984 Merge branch 'ethoc-fixes')
Merging wireless-drivers/master (034fdd4a17ff Merge ath-current from ath.git)
Merging mac80211/master (c37a54ac37e7 mac80211: mesh: flush stations before beacons are stopped)
Merging sound-current/for-linus (fd48331f9b71 ALSA: hda: add AMD Bonaire AZ PCI ID with proper driver caps)
Merging pci-current/for-linus (ef0dab4aae14 PCI: Fix unaligned accesses in VC code)
Merging driver-core.current/driver-core-linus (523d939ef98f Linux 4.7)
Merging tty.current/tty-linus (0e06f5c0deee Merge branch 'akpm' (patches from Andrew))
Merging usb.current/usb-linus (e65805251f2d Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip)
Merging usb-gadget-fixes/fixes (50c763f8c1ba usb: dwc3: Set the ClearPendIN bit on Clear Stall EP command)
Merging usb-serial-fixes/usb-linus (4c2e07c6a29e Linux 4.7-rc5)
Merging usb-chipidea-fixes/ci-for-usb-stable (ea1d39a31d3b usb: common: otg-fsm: add license to usb-otg-fsm)
Merging staging.current/staging-linus (0e06f5c0deee Merge branch 'akpm' (patches from Andrew))
Merging char-misc.current/char-misc-linus (0e06f5c0deee Merge branch 'akpm' (patches from Andrew))
Merging input-current/for-linus (080888286377 Merge branch 'next' into for-linus)
Merging crypto-current/master (8cf740ae85df crypto: marvell - Don't copy IV vectors from the _process op for ciphers)
Merging ide/master (797cee982eef Merge branch 'stable-4.8' of git://git.infradead.org/users/pcmoore/audit)
Merging rr-fixes/fixes (8244062ef1e5 modules: fix longstanding /proc/kallsyms vs module insertion race.)
Merging vfio-fixes/for-linus (ce7585f3c4d7 vfio/pci: Allow VPD short read)
Merging kselftest-fixes/fixes (f80eb4289491 selftests/exec: Makefile is a run-time dependency, add it to the install list)
Merging backlight-fixes/for-backlight-fixes (68feaca0b13e backlight: pwm: Handle EPROBE_DEFER while requesting the PWM)
Merging ftrace-fixes/for-next-urgent (6224beb12e19 tracing: Have branch tracer use recursive field of task struct)
Merging mfd-fixes/for-mfd-fixes (5baaf3b9efe1 usb: dwc3: st: Use explicit reset_control_get_exclusive() API)
Merging drm-intel-fixes/for-linux-next-fixes (ed2eebbd61af drm/i915: add missing condition for committing planes on crtc)
Merging asm-generic/master (b0da6d44157a asm-generic: Drop renameat syscall from default list)
Merging arc/for-next (3925a16ae980 ARC: mm: don't loose PTE_SPECIAL in pte_modify())
Merging arm/for-next (bf9cb4359182 Merge branches 'component', 'cpuidle', 'fixes' and 'misc' into for-next)
CONFLICT (content): Merge conflict in drivers/iommu/mtk_iommu.c
CONFLICT (content): Merge conflict in drivers/gpu/drm/sti/sti_drv.c
CONFLICT (content): Merge conflict in drivers/gpu/drm/rockchip/rockchip_drm_drv.c
CONFLICT (content): Merge conflict in drivers/gpu/drm/msm/msm_drv.c
Merging arm-perf/for-next/perf (1a695a905c18 Linux 4.7-rc1)
Merging arm-soc/for-next (eae5b27ade3d arm-soc: document merges)
Merging amlogic/for-next (b55b87ac5976 Merge branch 'v4.7/clk' into tmp/aml-rebuild)
Merging at91/at91-next (0f59c948faed Merge tag 'at91-ab-4.8-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into at91-next)
Merging bcm2835/for-next (aa5c0a1e15c2 Merge branch anholt/bcm2835-dt-64-next into for-next)
Merging berlin/berlin/for-next (d433580f3b4e Merge branches 'berlin64/dt' and 'berlin/dt' into berlin/for-next)
Merging cortex-m/for-next (f719a0d6a854 ARM: efm32: switch to vendor,device compatible strings)
Merging imx-mxs/for-next (63a404a3f177 Merge branch 'imx/defconfig' into for-next)
Merging keystone/next (eef6bb9fc17a Merge branch 'for_4.8/keystone' into next)
Merging mvebu/for-next (feaf6b0beba8 Merge branch 'mvebu/defconfig64' into mvebu/for-next)
Merging omap/for-next (370c3261ba8a Merge branch 'omap-for-v4.8/soc' into for-next)
Merging omap-pending/for-next (c20c8f750d9f ARM: OMAP2+: hwmod: fix _idle() hwmod state sanity check sequence)
Merging qcom/for-next (289f9fb05d0c ARM: dts: msm8916: Add smsm and smp2p nodes)
Merging renesas/next (314a0bb0dd88 Merge branch 'heads/soc-fixes-for-v4.8' into next)
Merging rockchip/for-next (ebbfb5d5627d Merge branch 'v4.8-armsoc/dts64' into for-next)
Merging rpi/for-rpi-next (bc0195aad0da Linux 4.2-rc2)
Merging samsung/for-next (1a695a905c18 Linux 4.7-rc1)
Merging samsung-krzk/for-next (253256f64294 Merge branch 'next/soc' into for-next)
CONFLICT (content): Merge conflict in arch/arm/boot/dts/exynos5420.dtsi
Merging tegra/for-next (b551165a4593 Merge branch for-4.8/arm64/defconfig into for-next)
Merging arm64/for-next/core (fd6380b75065 arm64: arm: Fix-up the removal of the arm64 regs_query_register_name() prototype)
Merging blackfin/for-linus (391e74a51ea2 eth: bf609 eth clock: add pclk clock for stmmac driver probe)
CONFLICT (content): Merge conflict in arch/blackfin/mach-common/pm.c
Merging c6x/for-linux-next (ca3060d39ae7 c6x: Use generic clkdev.h header)
Merging cris/for-next (f9f3f864b5e8 cris: Fix section mismatches in architecture startup code)
Merging h8300/h8300-next (58c57526711f h8300: Add missing include file to asm/io.h)
Merging hexagon/linux-next (02cc2ccfe771 Revert "Hexagon: fix signal.c compile error")
Merging ia64/next (fbb0e4da96f4 ia64: salinfo: use a waitqueue instead a sema down/up combo)
Merging m68k/for-next (6bd80f372371 m68k/defconfig: Update defconfigs for v4.7-rc2)
Merging m68knommu/for-next (33688abb2802 Linux 4.7-rc4)
Merging metag/for-next (fb2bb461e2d8 metag: Remove duplicate KERN_<LEVEL> prefix)
Merging microblaze/next (52e9e6e05617 microblaze: pci: export isa_io_base to fix link errors)
Merging mips/mips-for-linux-next (4a89cf810130 Merge branch '4.7-fixes' into mips-for-linux-next)
Merging nios2/for-next (9fa78f63a892 nios2: Add order-only DTC dependency to %.dtb target)
Merging parisc-hd/for-next (a549c45a22de parisc: Change structure intialisation to C99 style in iomap.c)
Merging powerpc/next (a67ae75802f1 powerpc/ptrace: Enable support for Performance Monitor registers)
Merging powerpc-mpe/next (bc0195aad0da Linux 4.2-rc2)
Merging fsl/next (9f595fd8b548 powerpc/8xx: Force VIRT_IMMR_BASE to be a positive number)
Merging mpc5xxx/next (39e69f55f857 powerpc: Introduce the use of the managed version of kzalloc)
Merging s390/features (44cee85a8824 Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild)
Merging sparc-next/master (9f935675d41a Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input)
Merging sh/for-next (04394bc3bd17 sh: use common clock framework with device tree boards)
Merging tile/master (74050a3188c8 tile-srom: avoid krealloc(... __GFP_ZERO) pattern)
Merging uml/linux-next (8a545f185145 hostfs: Freeing an ERR_PTR in hostfs_fill_sb_common())
Merging unicore32/unicore32 (c83d8b2fc986 unicore32: mm: Add missing parameter to arch_vma_access_permitted)
Merging xtensa/for_next (9e8511ff7e3f Merge tag 'xtensa-for-next-20160731' of git://github.com/jcmvbkbc/linux-xtensa into for_next)
Merging befs/for-next (3e35c149e220 fs: befs: remove ret variable)
Merging btrfs/next (8b8b08cbfb90 Btrfs: fix delalloc accounting after copy_from_user faults)
Merging btrfs-kdave/for-next (d84c090ad3e9 Fixup: fs_info/root cleanups and qgroups patches)
CONFLICT (content): Merge conflict in fs/btrfs/extent_io.c
CONFLICT (content): Merge conflict in fs/btrfs/compression.c
Merging ceph/master (a0f2b6527541 ceph: fix symbol versioning for ceph_monc_do_statfs)
Merging cifs/for-next (8e1e83d23606 Move check for prefix path to within cifs_get_root())
Merging configfs/for-next (3dc3afadeb04 configfs: don't set buffer_needs_fill to zero if show() returns error)
Merging ecryptfs/next (2bdcdbea80bd ecryptfs: don't allow mmap when the lower fs doesn't support it)
Merging ext3/for_next (e008bb6134a6 quota: use time64_t internally)
Merging ext4/dev (7bc949164511 ext4: verify extent header depth)
Merging f2fs/dev (194dc870a589 Add braces to avoid "ambiguous ‘else’" compiler warnings)
Merging freevxfs/for-next (bf1bb4b460c8 freevxfs: update Kconfig information)
Merging fscache/fscache (d52bd54db8be Merge branch 'akpm' (patches from Andrew))
Merging fuse/for-next (7244b9538994 f2fs: use filemap_check_errors())
Applying: btrfs: merge fix for "mm: export filemap_check_errors() to modules"
Merging gfs2/for-next (47a9a5279468 GFS2: use BIT() macro)
Merging jfs/jfs-next (6ed71e9819ac jfs: Coalesce some formats)
Merging nfs/linux-next (1f4c17a03ba7 SUNRPC: Handle EADDRNOTAVAIL on connection failures)
Merging nfsd/nfsd-next (6446918f1956 nfsd: remove some dead code in nfsd_create_locked())
Merging orangefs/for-next (78fee0b6846f orangefs: fix namespace handling)
Merging overlayfs/overlayfs-next (b92a89750dba Revert "vfs: add lookup_hash() helper")
Merging v9fs/for-next (a333e4bf2556 fs/9p: use fscache mutex rather than spinlock)
Merging ubifs/linux-next (5d71afb00840 ubi: Use bitmaps in Fastmap self-check code)
Merging xfs/for-next (3481b6828523 xfs: move (and rename) the deferred bmap-free tracepoints)
Merging file-locks/linux-next (5af9c2e19da6 Merge branch 'akpm' (patches from Andrew))
Merging vfs/for-next (38a8a5e62f9a Merge branch 'work.const-qstr' into for-next)
CONFLICT (content): Merge conflict in fs/f2fs/f2fs.h
CONFLICT (content): Merge conflict in fs/f2fs/dir.c
Applying: qstr: unconstify fuse_reverse_inval_entry parameter
Merging pci/next (9454c23852ca Merge branch 'pci/msi-affinity' into next)
Merging pstore/for-next/pstore (fbe0d4109a0c ramoops: use persistent_ram_free() instead of kfree() for freeing prz)
Merging hid/for-next (de1bcd764ea0 Merge branch 'for-4.8/upstream' into for-next)
Merging i2c/i2c/for-next (c35d490516e6 Merge branch 'i2c/for-4.8' into i2c/for-next)
Merging jdelvare-hwmon/master (08d27eb20666 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs)
Merging dmi/master (0deb6b2c087a dmi-id: don't free dev structure after calling device_register)
Merging hwmon-staging/hwmon-next (1d3dd4ce210f Documentation: dtb: xgene: Add hwmon dts binding documentation)
Merging v4l-dvb/master (292eaf50c7df [media] cec: fix off-by-one memset)
CONFLICT (content): Merge conflict in Documentation/DocBook/Makefile
Merging pm/linux-next (4cd5b4888a16 Merge branches 'pm-cpufreq' and 'pm-sleep' into linux-next)
Merging idle/next (f55532a0c0b8 Linux 4.6-rc1)
Merging thermal/next (36a671b45da8 Merge branches 'thermal-core' and 'thermal-intel' into next)
Merging thermal-soc/next (9a1d2bd3e7fd Merge branch 'work-fixes' into work-next)
CONFLICT (content): Merge conflict in drivers/thermal/thermal_core.c
Applying: thermal: fix up for "fix race condition when updating cooling device"
Applying: thermal: fix up for bad merge of drivers/thermal/thermal_core.c
Merging ieee1394/for-next (384fbb96f926 firewire: nosy: Replace timeval with timespec64)
Merging dlm/next (5c93f56f770e dlm: Use kmemdup instead of kmalloc and memcpy)
Merging swiotlb/linux-next (386744425e35 swiotlb: Make linux/swiotlb.h standalone includible)
Merging slave-dma/next (61fa0c294347 Merge branch 'for-linus' into next)
Merging net-next/master (bf0f500bd019 Merge tag 'trace-v4.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace)
Merging ipsec-next/master (cb866e3298cd xfrm: Increment statistic counter on inner mode error)
Merging netfilter-next/master (6a492b0f23d2 Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi)
Merging ipvs-next/master (ae9442f688c3 ipvs: Use IS_ERR_OR_NULL(svc) instead of IS_ERR(svc) || svc == NULL)
Merging wireless-drivers-next/master (cb6a11518850 wlcore: spi: fix build warning caused by redundant variable)
Merging bluetooth/master (a92bcaae230c mac802154: use rate limited warnings for malformed frames)
Merging mac80211-next/master (6a492b0f23d2 Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi)
Merging rdma/for-next (fb92d8fb1b9c Merge branches 'cxgb4-4.8', 'mlx5-4.8' and 'fw-version' into k.o/for-4.8)
Merging rdma-leon/rdma-next (4c2e07c6a29e Linux 4.7-rc5)
Merging rdma-leon-test/testing/rdma-next (92d21ac74a9e Linux 4.7-rc7)
Merging mtd/master (11e8a7f9aa94 Merge tag 'for-linus-20160801' into HEAD)
Merging l2-mtd/master (1dcff2e4ae72 mtd: spi-nor: don't build Cadence QuadSPI on non-ARM)
Merging nand/nand/next (8490c03bd9d4 mtd: nand: jz4780: Update MODULE_AUTHOR email address)
Merging crypto/master (0f95e2ffc58f Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6)
Merging drm/drm-next (dfd2e9ab6a7d drm/i915: Check PSR setup time vs. vblank length)
Merging drm-panel/drm/panel/for-next (9bb34c4c730d drm/panel: simple: Add support for Starry KR122EA0SRA panel)
Merging drm-intel/for-linux-next (a7b4667a0002 drm/i915: Never fully mask the the EI up rps interrupt on SNB/IVB)
Merging drm-tegra/drm/tegra/for-next (64ea25c3bc86 drm/tegra: sor: Reject HDMI 2.0 modes)
Merging drm-misc/topic/drm-misc (12ae57aab438 drm/arm: mali-dp: Fix error return code in malidp_bind())
Merging drm-exynos/exynos-drm/for-next (25364a9e54fb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid)
Merging drm-msm/msm-next (0a677125d0ff drm/msm: Delete an unnecessary check before drm_gem_object_unreference())
Merging hdlcd/for-upstream/hdlcd (523d939ef98f Linux 4.7)
Merging mali-dp/for-upstream/mali-dp (59ba2422b430 MAINTAINERS: Add entry for Mali-DP driver)
Merging sunxi/sunxi/for-next (25d6a931b3f3 Merge branches 'sunxi/clk-fixes-for-4.7', 'sunxi/defconfig-for-4.8', 'sunxi/drm-fixes-for-4.7' and 'sunxi/dt-for-4.8' into sunxi/for-next)
Merging kbuild/for-next (f6830d5346c9 Merge branch 'kbuild/misc' into kbuild/for-next)
Merging kspp/for-next/kspp (6fbe16013e52 Merge branch 'for-next/ro_after_init' into for-next/kspp)
CONFLICT (content): Merge conflict in mm/page_alloc.c
CONFLICT (content): Merge conflict in include/linux/thread_info.h
CONFLICT (content): Merge conflict in drivers/char/random.c
CONFLICT (content): Merge conflict in arch/x86/kvm/vmx.c
CONFLICT (content): Merge conflict in arch/x86/kernel/x86_init.c
CONFLICT (content): Merge conflict in arch/powerpc/Kconfig
CONFLICT (content): Merge conflict in arch/arm64/include/asm/uaccess.h
Merging kconfig/for-next (5bcba792bb30 localmodconfig: Fix whitespace repeat count after "tristate")
Merging regmap/for-next (7fd1a44a9da2 Merge remote-tracking branch 'regmap/fix/cache' into regmap-linus)
Merging sound/for-next (fd48331f9b71 ALSA: hda: add AMD Bonaire AZ PCI ID with proper driver caps)
Merging sound-asoc/for-next (d9d16379b266 Merge remote-tracking branch 'asoc/topic/rt5659' into asoc-next)
Merging modules/modules-next (49aadcf1b6f4 extable.h: add stddef.h so "NULL" definition is not implicit)
Merging input/next (a485cb037fe6 Input: add driver for SiS 9200 family I2C touchscreen controllers)
Merging block/for-next (b013517951a1 Merge branch 'for-4.8/core' into for-next)
Merging lightnvm/for-next (191d684c5d4f Merge branch 'for-4.8/drivers' into for-next)
Merging device-mapper/for-next (b2a4872a4528 dm raid: constructor fails on non-zero incompat_features)
Merging pcmcia/master (e8e68fd86d22 pcmcia: do not break rsrc_nonstatic when handling anonymous cards)
Merging mmc-uh/next (6ea625794518 mmc: rtsx_pci: Remove deprecated create_singlethread_workqueue)
Merging md/for-next (ff00d3b4e5e4 raid5: fix incorrectly counter of conf->empty_inactive_list_nr)
Merging mfd/for-mfd-next (f37be01e6dc6 mfd: qcom_rpm: Parametrize also ack selector size)
Merging backlight/for-backlight-next (602553073892 backlight: lp855x: Add enable regulator)
Merging battery/master (4fcd504edbf7 power: reset: add reboot mode driver)
Merging omap_dss2/for-next (ab366b40b851 fbdev: Use IS_ENABLED() instead of checking for built-in or module)
Merging regulator/for-next (a485f5fc8c8e Merge remote-tracking branches 'regulator/topic/qcom-spmi', 'regulator/topic/rn5t618', 'regulator/topic/tps65218' and 'regulator/topic/twl' into regulator-next)
Merging security/next (7616ac70d1bb apparmor: fix SECURITY_APPARMOR_HASH_DEFAULT parameter handling)
Merging integrity/next (56078b570983 module: Fully remove the kernel_module_from_file hook)
Merging keys/keys-next (05638c9bc586 Merge branch 'keys-asym-keyctl' into keys-next)
Merging selinux/next (3f09354ac84c netlabel: Implement CALIPSO config functions for SMACK.)
Merging tpmdd/next (82cc1a49b635 tpm: Add TPM 2.0 support to the Nuvoton i2c driver (NPCT6xx family))
Merging watchdog/master (1ac06563434e watchdog: gpio_wdt: Fix missing platform_set_drvdata() in gpio_wdt_probe())
Merging iommu/next (f360d3241f55 Merge branches 'x86/amd', 'x86/vt-d', 'arm/exynos', 'arm/mediatek', 'arm/msm', 'arm/rockchip', 'arm/smmu' and 'core' into next)
Merging dwmw2-iommu/master (2566278551d3 Merge git://git.infradead.org/intel-iommu)
Merging vfio/next (0991bbdbf5b8 vfio: platform: check reset call return code during release)
Merging jc_docs/docs-next (09c3bcce7c3f Documenation: update cgroup's document path)
Merging trivial/for-next (34df117414d7 fat: fix error message for bogus number of directory entries)
Merging audit/next (43761473c254 audit: fix a double fetch in audit_log_single_execve_arg())
Merging devicetree/for-next (e973f4ec130a xtensa: Partially Revert "xtensa: Remove unnecessary of_platform_populate with default match table")
Merging mailbox/mailbox-for-next (a68b216676e8 mailbox: Fix format and type mismatches in Broadcom PDC driver)
Merging spi/for-next (914a58c1a1b4 Merge remote-tracking branch 'spi/topic/pic32-sqi' into spi-next)
Merging tip/auto-latest (4960be97f652 Merge branch 'x86/urgent')
CONFLICT (content): Merge conflict in arch/x86/lib/csum-wrappers_64.c
CONFLICT (content): Merge conflict in arch/x86/include/asm/thread_info.h
Merging clockevents/clockevents/next (1d661bf5327a clocksource/drivers/time-armada-370-xp: Fix return value check)
Merging edac/linux_next (12f0721c5a70 sb_edac: correctly fetch DIMM width on Ivy Bridge and Haswell)
Merging edac-amd/for-next (a67adb32d941 ARM: dts: Add Arria10 Ethernet EDAC devicetree entry)
Merging irqchip/irqchip/for-next (77d50b17c990 Merge branch 'irqchip/misc' into irqchip/for-next)
Merging ftrace/for-next (78aebca2c955 printk, tracing: Avoiding unneeded blank lines)
Merging rcu/rcu/next (5bc94664884a rcu: Avoid redundant quiescent-state chasing)
CONFLICT (content): Merge conflict in kernel/rcu/tree.c
Merging kvm/linux-next (23528bb21ee2 KVM: PPC: Introduce KVM_CAP_PPC_HTM)
Merging kvm-arm/next (89581f06b2bc arm64: KVM: Set cpsr before spsr on fault injection)
CONFLICT (content): Merge conflict in virt/kvm/irqchip.c
CONFLICT (content): Merge conflict in Documentation/virtual/kvm/api.txt
Merging kvm-ppc/kvm-ppc-next (c63517c2e381 KVM: PPC: Book3S: correct width in XER handling)
Merging kvm-ppc-paulus/kvm-ppc-next (93d17397e4e2 KVM: PPC: Book3S HV: Save/restore TM state in H_CEDE)
Merging kvms390/next (9acc317b183f KVM: s390: let ptff intercepts result in cc=3)
Merging xen-tip/linux-next (d34c30cc1fa8 xen: add static initialization of steal_clock op to xen_time_ops)
Merging percpu/for-next (6710e594f71c percpu: fix synchronization between synchronous map extension and chunk destruction)
Merging workqueues/for-next (d945b5e9f0e3 workqueue: Fix setting affinity of unbound worker threads)
Merging drivers-x86/for-next (c37636b450ae dell-wmi: Ignore WMI event 0xe00e)
Merging chrome-platform/for-next (31b764171cb5 Revert "platform/chrome: chromeos_laptop: Add Leon Touch")
Merging hsi/for-next (9c99e5e51988 HSI: omap_ssi: drop pm_runtime_irq_safe)
Merging leds/for-next (5706c01fcfb3 leds: is31fl32xx: define complete i2c_device_id table)
Merging ipmi/for-next (92cad0931b08 ipmi: remove trydefaults parameter and default init)
Merging driver-core/driver-core-next (523d939ef98f Linux 4.7)
Merging tty/tty-next (0e06f5c0deee Merge branch 'akpm' (patches from Andrew))
Merging usb/usb-next (0bf048abebb6 staging: emxx_udc: allow modular build)
Merging usb-gadget/next (15e4292a2d21 usb: renesas_usbhs: protect the CFIFOSEL setting in usbhsg_ep_enable())
Merging usb-serial/usb-next (3161da970d38 USB: serial: use variable for status)
Merging usb-chipidea-next/ci-for-usb-next (229d43daf8ed usb: chipidea: imx: set over current polarity per dts setting)
Merging staging/staging-next (0e06f5c0deee Merge branch 'akpm' (patches from Andrew))
Merging char-misc/char-misc-next (0e06f5c0deee Merge branch 'akpm' (patches from Andrew))
Merging extcon/extcon-next (356d95190d84 extcon: Fix compile time warning)
Merging cgroup/for-next (1cab4a96cab6 Merge branch 'for-4.8' into for-next)
Merging scsi/for-next (c8e18acccb9b ipr: Fix error return code in ipr_probe_ioa())
Merging target-updates/for-next (291e3e51a34d target: fix spelling mistake: "limitiation" -> "limitation")
Merging target-merge/for-next-merge (2994a7518317 cxgb4: update Kconfig and Makefile)
Merging libata/for-next (737bee9308c4 libata-scsi: better style in ata_msense_*())
Merging binfmt_misc/for-next (4af75df6a410 binfmt_misc: add F option description to documentation)
Merging pinctrl/for-next (9573e7923007 pinctrl: fix pincontrol definition for marvell)
Merging vhost/linux-next (b226acab2f6a VSOCK: Use kvfree())
Merging remoteproc/for-next (7a6271a80cae remoteproc/wkup_m3: Use MODULE_DEVICE_TABLE to export alias)
Merging rpmsg/for-next (e937b335a738 Merge branches 'hwspinlock-next', 'rpmsg-next' and 'rproc-next' into for-next)
Merging gpio/for-next (7a73f0695d66 ARM: do away with final ARCH_REQUIRE_GPIOLIB)
Merging dma-mapping/dma-mapping-next (d770e558e219 Linux 4.2-rc1)
Merging pwm/for-next (53de7c26ded7 Merge branch 'for-4.8/regulator' into for-next)
CONFLICT (content): Merge conflict in Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt
Merging dma-buf/for-next (194cad44c4e1 dma-buf/sync_file: improve Kconfig description for Sync Files)
CONFLICT (content): Merge conflict in drivers/dma-buf/Kconfig
Merging userns/for-next (aeaa4a79ff6a fs: Call d_automount with the filesystems creds)
Merging ktest/for-next (2dcd0af568b0 Linux 4.6)
Merging clk/clk-next (d22527fed2f0 Merge branch 'clk-fixes' into clk-next)
Merging random/dev (59b8d4f1f5d2 random: use for_each_online_node() to iterate over NUMA nodes)
Merging aio/master (b562e44f507e Linux 4.5)
Merging kselftest/next (d78388dbec25 selftests: media_tests add a new video device test)
Merging y2038/y2038 (549eb7b22e24 AFS: Correctly use 64-bit time for UUID)
Merging luto-misc/next (2dcd0af568b0 Linux 4.6)
Merging borntraeger/linux-next (b562e44f507e Linux 4.5)
Merging livepatching/for-next (523d939ef98f Linux 4.7)
Merging coresight/next (27ee11458de3 coresight: tmc: Delete an unnecessary check before the function call "kfree")
Merging rtc/rtc-next (6f367788d633 rtc: rv8803: Clear V1F when setting the time)
CONFLICT (content): Merge conflict in arch/x86/platform/efi/efi_64.c
Merging hwspinlock/for-next (bd5717a4632c hwspinlock: qcom: Correct msb in regmap_field)
Merging nvdimm/libnvdimm-for-next (0606263f24f3 Merge branch 'for-4.8/libnvdimm' into libnvdimm-for-next)
Merging dax-misc/dax-misc (4d9a2c874667 dax: Remove i_mmap_lock protection)
Merging akpm-current/current (bde7eb3642c2 ipc/msg.c: use freezable blocking call)
CONFLICT (content): Merge conflict in kernel/jump_label.c
$ git checkout -b akpm remotes/origin/akpm/master
Applying: drivers/net/wireless/intel/iwlwifi/dvm/calib.c: simplfy min() expression
Applying: ipc/sem.c: fix complex_count vs. simple op race
Merging akpm/master (e3beace70ad7 ipc/sem.c: fix complex_count vs. simple op race)
^ permalink raw reply
* linux-next: manual merge of the thermal-soc tree with the thermal tree
From: Stephen Rothwell @ 2016-08-04 1:29 UTC (permalink / raw)
To: Eduardo Valentin, Zhang Rui; +Cc: linux-next, linux-kernel, Michele Di Giorgio
Hi Eduardo,
Today's linux-next merge of the thermal-soc tree got a conflict in:
drivers/thermal/thermal_core.c
between commit:
c61628f5c6be ("thermal: fix race condition when updating cooling device")
from the thermal tree and commit:
5eb0037dc771 ("thermal: core: introduce thermal_helpers.c")
from the thermal-soc tree.
I fixed it up (the function thermal_cdev_update was moved to
drivers/thermal/thermal_helpers.c, so I applied teh below fix patch) and
can carry the fix as necessary. This is now fixed as far as linux-next
is concerned, but any non trivial conflicts should be mentioned to your
upstream maintainer when your tree is submitted for merging. You may
also want to consider cooperating with the maintainer of the conflicting
tree to minimise any particularly complex conflicts.
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Thu, 4 Aug 2016 11:19:56 +1000
Subject: [PATCH] thermal: fix up for "fix race condition when updating cooling device"
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
drivers/thermal/thermal_helpers.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/thermal/thermal_helpers.c b/drivers/thermal/thermal_helpers.c
index 2d37d9d718c2..14b7f5c0655a 100644
--- a/drivers/thermal/thermal_helpers.c
+++ b/drivers/thermal/thermal_helpers.c
@@ -121,11 +121,13 @@ void thermal_cdev_update(struct thermal_cooling_device *cdev)
struct thermal_instance *instance;
unsigned long target = 0;
+ mutex_lock(&cdev->lock);
/* cooling device is updated*/
- if (cdev->updated)
+ if (cdev->updated) {
+ mutex_unlock(&cdev->lock);
return;
+ }
- mutex_lock(&cdev->lock);
/* Make sure cdev enters the deepest cooling state */
list_for_each_entry(instance, &cdev->thermal_instances, cdev_node) {
dev_dbg(&cdev->device, "zone%d->target=%lu\n",
@@ -135,9 +137,9 @@ void thermal_cdev_update(struct thermal_cooling_device *cdev)
if (instance->target > target)
target = instance->target;
}
- mutex_unlock(&cdev->lock);
cdev->ops->set_cur_state(cdev, target);
cdev->updated = true;
+ mutex_unlock(&cdev->lock);
trace_cdev_update(cdev, target);
dev_dbg(&cdev->device, "set to state %lu\n", target);
}
--
2.8.1
--
Cheers,
Stephen Rothwell
^ permalink raw reply related
* linux-next: manual merge of the v4l-dvb tree with Linus' tree
From: Stephen Rothwell @ 2016-08-04 1:02 UTC (permalink / raw)
To: Mauro Carvalho Chehab
Cc: linux-next, linux-kernel, Jani Nikula, Daniel Vetter
Hi Mauro,
Today's linux-next merge of the v4l-dvb tree got a conflict in:
Documentation/DocBook/Makefile
between commit:
88e196b337d6 ("Documentation/DocBook: remove gpu.tmpl")
from Linus' tree and commit:
43f71d93a0cb ("doc-rst: Remove the media docbook")
from the v4l-dvb tree.
I fixed it up (see below) and can carry the fix as necessary. This
is now fixed as far as linux-next is concerned, but any non trivial
conflicts should be mentioned to your upstream maintainer when your tree
is submitted for merging. You may also want to consider cooperating
with the maintainer of the conflicting tree to minimise any particularly
complex conflicts.
--
Cheers,
Stephen Rothwell
diff --cc Documentation/DocBook/Makefile
index 8e6dd4b14314,2bfd664b5e35..000000000000
--- a/Documentation/DocBook/Makefile
+++ b/Documentation/DocBook/Makefile
@@@ -16,11 -16,9 +16,9 @@@ DOCBOOKS := z8530book.xml device-driver
genericirq.xml s390-drivers.xml uio-howto.xml scsi.xml \
80211.xml debugobjects.xml sh.xml regulator.xml \
alsa-driver-api.xml writing-an-alsa-driver.xml \
- tracepoint.xml media_api.xml w1.xml \
- tracepoint.xml gpu.xml w1.xml \
++ tracepoint.xml w1.xml \
writing_musb_glue_layer.xml crypto-API.xml iio.xml
- include Documentation/DocBook/media/Makefile
-
###
# The build process is as follows (targets):
# (xmldocs) [by docproc]
^ permalink raw reply
* Re: powerpc allyesconfig / allmodconfig linux-next next-20160729 - next-20160729 build failures
From: Stephen Rothwell @ 2016-08-04 0:10 UTC (permalink / raw)
To: Arnd Bergmann
Cc: Nicholas Piggin, linux-kernel@vger.kernel.org, Luis R. Rodriguez,
linux-next, Paul Mackerras, Fengguang Wu, linuxppc-dev,
Guenter Roeck
In-Reply-To: <3892328.nUGXIq3MaH@wuerfel>
Hi Arnd,
On Wed, 03 Aug 2016 20:52:48 +0200 Arnd Bergmann <arnd@arndb.de> wrote:
>
> Most of the difference appears to be in branch trampolines (634 added,
> 559 removed, 14837 unchanged) as you suspect, but I also see a couple
> of symbols show up in vmlinux that were not there before:
>
> -A __crc_dma_noop_ops
> -D dma_noop_ops
> -R __clz_tab
> -r fdt_errtable
> -r __kcrctab_dma_noop_ops
> -r __kstrtab_dma_noop_ops
> -R __ksymtab_dma_noop_ops
> -t dma_noop_alloc
> -t dma_noop_free
> -t dma_noop_map_page
> -t dma_noop_mapping_error
> -t dma_noop_map_sg
> -t dma_noop_supported
> -T fdt_add_reservemap_entry
> -T fdt_begin_node
> -T fdt_create
> -T fdt_create_empty_tree
> -T fdt_end_node
> -T fdt_finish
> -T fdt_finish_reservemap
> -T fdt_property
> -T fdt_resize
> -T fdt_strerror
> -T find_cpio_data
>
> From my first look, it seems that all of lib/*.o is now getting linked
> into vmlinux, while we traditionally leave out everything from lib/
> that is not referenced.
You could try removing the --{,no-}whole-archive arguments to ld in
scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh. Last time I did
that, though, a whole lot of stuff failed to be linked in. (Especially
stuff only referenced by EXPORT_SYMBOL()s, bu that may have been fixed).
> I also see a noticeable overhead in link time, the numbers are for
> a cache-hot rebuild after a successful allyesconfig build, using a
> 24-way Opteron@2.5Ghz, just relinking vmlinux:
I was afraid of that, but it is offset by the time saved by not doing
the "ld -r"s along the way? It may also be that (for powerpc anyway)
the linker is doing a better job.
--
Cheers,
Stephen Rothwell
^ permalink raw reply
* mmotm 2016-08-03-15-19 uploaded
From: akpm @ 2016-08-03 22:19 UTC (permalink / raw)
To: mm-commits, linux-kernel, linux-mm, linux-fsdevel, linux-next,
sfr, mhocko, broonie
The mm-of-the-moment snapshot 2016-08-03-15-19 has been uploaded to
http://www.ozlabs.org/~akpm/mmotm/
mmotm-readme.txt says
README for mm-of-the-moment:
http://www.ozlabs.org/~akpm/mmotm/
This is a snapshot of my -mm patch queue. Uploaded at random hopefully
more than once a week.
You will need quilt to apply these patches to the latest Linus release (4.x
or 4.x-rcY). The series file is in broken-out.tar.gz and is duplicated in
http://ozlabs.org/~akpm/mmotm/series
The file broken-out.tar.gz contains two datestamp files: .DATE and
.DATE-yyyy-mm-dd-hh-mm-ss. Both contain the string yyyy-mm-dd-hh-mm-ss,
followed by the base kernel version against which this patch series is to
be applied.
This tree is partially included in linux-next. To see which patches are
included in linux-next, consult the `series' file. Only the patches
within the #NEXT_PATCHES_START/#NEXT_PATCHES_END markers are included in
linux-next.
A git tree which contains the memory management portion of this tree is
maintained at git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git
by Michal Hocko. It contains the patches which are between the
"#NEXT_PATCHES_START mm" and "#NEXT_PATCHES_END" markers, from the series
file, http://www.ozlabs.org/~akpm/mmotm/series.
A full copy of the full kernel tree with the linux-next and mmotm patches
already applied is available through git within an hour of the mmotm
release. Individual mmotm releases are tagged. The master branch always
points to the latest release, so it's constantly rebasing.
http://git.cmpxchg.org/cgit.cgi/linux-mmotm.git/
To develop on top of mmotm git:
$ git remote add mmotm git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git
$ git remote update mmotm
$ git checkout -b topic mmotm/master
<make changes, commit>
$ git send-email mmotm/master.. [...]
To rebase a branch with older patches to a new mmotm release:
$ git remote update mmotm
$ git rebase --onto mmotm/master <topic base> topic
The directory http://www.ozlabs.org/~akpm/mmots/ (mm-of-the-second)
contains daily snapshots of the -mm tree. It is updated more frequently
than mmotm, and is untested.
A git copy of this tree is available at
http://git.cmpxchg.org/cgit.cgi/linux-mmots.git/
and use of this tree is similar to
http://git.cmpxchg.org/cgit.cgi/linux-mmotm.git/, described above.
This mmotm tree contains the following patches against 4.7:
(patches marked "*" will be included in linux-next)
origin.patch
* fpga-zynq-fpga-fix-build-failure.patch
* tree-wide-replace-config_enabled-with-is_enabled.patch
* bitmap-bitmap_equal-memcmp-optimization-fix.patch
* media-mtk-vcodec-remove-unused-dma_attrs.patch
* dma-mapping-use-unsigned-long-for-dma_attrs.patch
* samples-kprobe-convert-the-printk-to-pr_info-pr_err.patch
* samples-jprobe-convert-the-printk-to-pr_info-pr_err.patch
* samples-kretprobe-convert-the-printk-to-pr_info-pr_err.patch
* samples-kretprobe-fix-the-wrong-type.patch
* block-remove-blk_dev_dax-config-option.patch
* maintainers-update-email-and-list-of-samsung-hw-driver-maintainers.patch
* cxd2841er-avoid-misleading-gcc-warning.patch
* powerpc-add-explicit-include-asm-asm-compath-for-jump-label.patch
* sparc-support-static_key-usage-in-non-module-__exit-sections.patch
* tile-support-static_key-usage-in-non-module-__exit-sections.patch
* arm-jump-label-may-reference-text-in-__exit.patch
* jump_label-remove-bugh-atomich-dependencies-for-have_jump_label.patch
* dynamic_debug-add-jump-label-support.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
i-need-old-gcc.patch
* mm-add-restriction-when-memory_hotplug-config-enable.patch
* mm-memcontrol-fix-swap-counter-leak-on-swapout-from-offline-cgroup.patch
* mm-memcontrol-fix-memcg-id-ref-counter-on-swap-charge-move.patch
* arm-arch-arm-include-asm-pageh-needs-personalityh.patch
* kbuild-simpler-generation-of-assembly-constants.patch
* block-restore-proc-partitions-to-not-display-non-partitionable-removable-devices.patch
* kernel-watchdog-use-nmi-registers-snapshot-in-hardlockup-handler.patch
mm.patch
* mm-memcontrol-add-sanity-checks-for-memcg-idref-on-get-put.patch
* mm-oom-deduplicate-victim-selection-code-for-memcg-and-global-oom.patch
* mm-zsmalloc-add-trace-events-for-zs_compact.patch
* mm-zsmalloc-add-per-class-compact-trace-event.patch
* mm-page_owner-align-with-pageblock_nr-pages.patch
* mm-walk-the-zone-in-pageblock_nr_pages-steps.patch
* proc-relax-proc-tid-timerslack_ns-capability-requirements.patch
* proc-add-lsm-hook-checks-to-proc-tid-timerslack_ns.patch
* lib-add-crc64-ecma-module.patch
* compat-remove-compat_printk.patch
* kdump-vmcoreinfo-report-actual-value-of-phys_base.patch
* ipc-msgc-msgsnd-use-freezable-blocking-call.patch
* msgrcv-use-freezable-blocking-call.patch
linux-next.patch
linux-next-git-rejects.patch
* drivers-net-wireless-intel-iwlwifi-dvm-calibc-fix-min-warning.patch
* ipc-semc-fix-complex_count-vs-simple-op-race.patch
mm-add-strictlimit-knob-v2.patch
make-sure-nobodys-leaking-resources.patch
releasing-resources-with-children.patch
make-frame_pointer-default=y.patch
kernel-forkc-export-kernel_thread-to-modules.patch
mutex-subsystem-synchro-test-module.patch
slab-leaks3-default-y.patch
add-debugging-aid-for-memory-initialisation-problems.patch
workaround-for-a-pci-restoring-bug.patch
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
^ permalink raw reply
* Re: powerpc allyesconfig / allmodconfig linux-next next-20160729 - next-20160729 build failures
From: Arnd Bergmann @ 2016-08-03 20:13 UTC (permalink / raw)
To: linuxppc-dev
Cc: Segher Boessenkool, Stephen Rothwell,
linux-kernel@vger.kernel.org, Nicholas Piggin, Luis R. Rodriguez,
linux-next, Paul Mackerras, Fengguang Wu, Guenter Roeck
In-Reply-To: <20160803194429.GA14627@gate.crashing.org>
On Wednesday, August 3, 2016 2:44:29 PM CEST Segher Boessenkool wrote:
> Hi Arnd,
>
> On Wed, Aug 03, 2016 at 08:52:48PM +0200, Arnd Bergmann wrote:
> > From my first look, it seems that all of lib/*.o is now getting linked
> > into vmlinux, while we traditionally leave out everything from lib/
> > that is not referenced.
> >
> > I also see a noticeable overhead in link time, the numbers are for
> > a cache-hot rebuild after a successful allyesconfig build, using a
> > 24-way Opteron@2.5Ghz, just relinking vmlinux:
> >
> > $ time make skj30 vmlinux # before
> > real 2m8.092s
> > user 3m41.008s
> > sys 0m48.172s
> >
> > $ time make skj30 vmlinux # after
> > real 4m10.189s
> > user 5m43.804s
> > sys 0m52.988s
>
> Is it better when using rcT instead of rcsT?
It seems to be noticeably better for the clean rebuild case, though
not as good as the original:
real 3m34.015s
user 5m7.104s
sys 0m49.172s
I've also tried now with my own patch applied as well (linking
each drivers/*/built-in.o into vmlinux rather than having them
linked into drivers/built-in.o first), but that makes no
difference.
Arnd
^ permalink raw reply
* Re: powerpc allyesconfig / allmodconfig linux-next next-20160729 - next-20160729 build failures
From: Segher Boessenkool @ 2016-08-03 19:44 UTC (permalink / raw)
To: Arnd Bergmann
Cc: Stephen Rothwell, linux-kernel@vger.kernel.org, Nicholas Piggin,
Luis R. Rodriguez, linux-next, Paul Mackerras, Fengguang Wu,
linuxppc-dev, Guenter Roeck
In-Reply-To: <3892328.nUGXIq3MaH@wuerfel>
Hi Arnd,
On Wed, Aug 03, 2016 at 08:52:48PM +0200, Arnd Bergmann wrote:
> From my first look, it seems that all of lib/*.o is now getting linked
> into vmlinux, while we traditionally leave out everything from lib/
> that is not referenced.
>
> I also see a noticeable overhead in link time, the numbers are for
> a cache-hot rebuild after a successful allyesconfig build, using a
> 24-way Opteron@2.5Ghz, just relinking vmlinux:
>
> $ time make skj30 vmlinux # before
> real 2m8.092s
> user 3m41.008s
> sys 0m48.172s
>
> $ time make skj30 vmlinux # after
> real 4m10.189s
> user 5m43.804s
> sys 0m52.988s
Is it better when using rcT instead of rcsT?
Segher
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Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev
^ permalink raw reply
* Re: powerpc allyesconfig / allmodconfig linux-next next-20160729 - next-20160729 build failures
From: Arnd Bergmann @ 2016-08-03 18:52 UTC (permalink / raw)
To: Nicholas Piggin
Cc: Stephen Rothwell, linux-kernel@vger.kernel.org, Luis R. Rodriguez,
linux-next, Paul Mackerras, Fengguang Wu, linuxppc-dev,
Guenter Roeck
In-Reply-To: <20160804013729.7fffa45a@roar.ozlabs.ibm.com>
On Thursday, August 4, 2016 1:37:29 AM CEST Nicholas Piggin wrote:
>
> I've attached what I'm using, which builds and runs for me without
> any work. Your arch obviously has to select the option to use it.
>
> text data bss dec hex filename
> 11196784 1185024 1923820 14305628 da495c vmlinuxppc64.before
> 11187536 1181848 1923176 14292560 da1650 vmlinuxppc64.after
>
> ~9K text saving, ~3K data saving. I assume this comes from fewer
> branch trampolines and toc entries, but haven't verified exactly.
The patch seems to work great, but for me it's getting bigger
(compared to my older patch, mainline allyesconfig doesn't build):
text data bss dec hex filename
51299868 42599559 23362148 117261575 6fd4507 vmlinuxarm.before
51302545 42595015 23361884 117259444 6fd3cb4 vmlinuxarm.after
Most of the difference appears to be in branch trampolines (634 added,
559 removed, 14837 unchanged) as you suspect, but I also see a couple
of symbols show up in vmlinux that were not there before:
-A __crc_dma_noop_ops
-D dma_noop_ops
-R __clz_tab
-r fdt_errtable
-r __kcrctab_dma_noop_ops
-r __kstrtab_dma_noop_ops
-R __ksymtab_dma_noop_ops
-t dma_noop_alloc
-t dma_noop_free
-t dma_noop_map_page
-t dma_noop_mapping_error
-t dma_noop_map_sg
-t dma_noop_supported
-T fdt_add_reservemap_entry
-T fdt_begin_node
-T fdt_create
-T fdt_create_empty_tree
-T fdt_end_node
-T fdt_finish
-T fdt_finish_reservemap
-T fdt_property
-T fdt_resize
-T fdt_strerror
-T find_cpio_data
From my first look, it seems that all of lib/*.o is now getting linked
into vmlinux, while we traditionally leave out everything from lib/
that is not referenced.
I also see a noticeable overhead in link time, the numbers are for
a cache-hot rebuild after a successful allyesconfig build, using a
24-way Opteron@2.5Ghz, just relinking vmlinux:
$ time make skj30 vmlinux # before
real 2m8.092s
user 3m41.008s
sys 0m48.172s
$ time make skj30 vmlinux # after
real 4m10.189s
user 5m43.804s
sys 0m52.988s
That is clearly a very sharp difference. Fortunately for the defconfig
build, the times are much lower, and I see no real difference other
than the noise between subsequent runs:
$ time make skj30 vmlinux # before
real 0m5.415s
user 0m19.716s
sys 0m9.356s
$ time make skj30 vmlinux # before
real 0m9.536s
user 0m21.320s
sys 0m9.224s
$ time make skj30 vmlinux # after
real 0m5.539s
user 0m20.360s
sys 0m9.224s
$ time make skj30 vmlinux # after
real 0m9.138s
user 0m21.932s
sys 0m8.988s
$ time make skj30 vmlinux # after
real 0m5.659s
user 0m20.332s
sys 0m9.620s
Arnd
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https://lists.ozlabs.org/listinfo/linuxppc-dev
^ permalink raw reply
* Re: powerpc allyesconfig / allmodconfig linux-next next-20160729 - next-20160729 build failures
From: Nicholas Piggin @ 2016-08-03 15:37 UTC (permalink / raw)
To: Arnd Bergmann
Cc: Stephen Rothwell, linux-kernel@vger.kernel.org, Luis R. Rodriguez,
linux-next, Paul Mackerras, Fengguang Wu, linuxppc-dev,
Guenter Roeck
In-Reply-To: <5216072.9VpDc0iy8Q@wuerfel>
On Wed, 03 Aug 2016 14:29:13 +0200
Arnd Bergmann <arnd@arndb.de> wrote:
> On Wednesday, August 3, 2016 10:19:11 PM CEST Stephen Rothwell wrote:
> > Hi Arnd,
> >
> > On Wed, 03 Aug 2016 09:52:23 +0200 Arnd Bergmann <arnd@arndb.de> wrote:
> > >
> > > Using a different way to link the kernel would also help us with
> > > the remaining allyesconfig problem on ARM, as the problem is only in
> > > 'ld -r' not producing trampolines for symbols that later cannot get
> > > them any more. It would probably also help building with ld.gold,
> > > which is currently not working.
> > >
> > > What is your suggested alternative?
> >
> > I have a patch that make the built-in.o files into thin archives (same
> > as archives, but the actual objects are replaced with the name of the
> > original object file). That way the final link has all the original
> > objects. I haven't checked to see what the overheads of doing it this
> > way is.
> >
> > Nick Piggin has just today taken my old patch (it was last rebased to
> > v4.4-rc1) and tried it on a recent kernel and it still seems to mostly
> > work. It probably needs some tidying up, but you are welcome to test
> > it if you want to.
>
> Sure, I'll certainly give it a try on ARM when you send me a copy.
I've attached what I'm using, which builds and runs for me without
any work. Your arch obviously has to select the option to use it.
text data bss dec hex filename
11196784 1185024 1923820 14305628 da495c vmlinuxppc64.before
11187536 1181848 1923176 14292560 da1650 vmlinuxppc64.after
~9K text saving, ~3K data saving. I assume this comes from fewer
branch trampolines and toc entries, but haven't verified exactly.
commit 8bc3ca4798c215e9a9107b6d44408f0af259f84f
Author: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Tue Oct 30 12:14:18 2012 +1100
kbuild: allow architectures to use thin archives instead of ld -r
Alan Modra has been trying to convince the kernel developers that ld -r
is "evil" for many years. This is an alternative and means that the
linker has much more information available to it when it links the
kernel.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
diff --git a/arch/Kconfig b/arch/Kconfig
index d794384..1330bf4 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -424,6 +424,12 @@ config CC_STACKPROTECTOR_STRONG
endchoice
+config THIN_ARCHIVES
+ bool
+ help
+ Select this if the architecture wants to use thin archives
+ instead of ld -r to create the built-in.o files.
+
config HAVE_CONTEXT_TRACKING
bool
help
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 0d1ca5b..bbf60b3 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -358,10 +358,15 @@ $(sort $(subdir-obj-y)): $(subdir-ym) ;
# Rule to compile a set of .o files into one .o file
#
ifdef builtin-target
+ifdef CONFIG_THIN_ARCHIVES
+ cmd_make_builtin = rm -f $@; $(AR) rcsT$(KBUILD_ARFLAGS)
+else
+ cmd_make_builtin = $(LD) $(ld_flags) -r -o
+endif
quiet_cmd_link_o_target = LD $@
# If the list of objects to link is empty, just create an empty built-in.o
cmd_link_o_target = $(if $(strip $(obj-y)),\
- $(LD) $(ld_flags) -r -o $@ $(filter $(obj-y), $^) \
+ $(cmd_make_builtin) $@ $(filter $(obj-y), $^) \
$(cmd_secanalysis),\
rm -f $@; $(AR) rcs$(KBUILD_ARFLAGS) $@)
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index f0f6d9d..ef4658f 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -41,8 +41,14 @@ info()
# ${1} output file
modpost_link()
{
- ${LD} ${LDFLAGS} -r -o ${1} ${KBUILD_VMLINUX_INIT} \
- --start-group ${KBUILD_VMLINUX_MAIN} --end-group
+ local objects
+
+ if [ -n "${CONFIG_THIN_ARCHIVES}" ]; then
+ objects="--whole-archive ${KBUILD_VMLINUX_INIT} ${KBUILD_VMLINUX_MAIN} --no-whole-archive"
+ else
+ objects="${KBUILD_VMLINUX_INIT} --start-group ${KBUILD_VMLINUX_MAIN} --end-group"
+ fi
+ ${LD} ${LDFLAGS} -r -o ${1} ${objects}
}
# Link of vmlinux
@@ -51,11 +57,16 @@ modpost_link()
vmlinux_link()
{
local lds="${objtree}/${KBUILD_LDS}"
+ local objects
if [ "${SRCARCH}" != "um" ]; then
+ if [ -n "${CONFIG_THIN_ARCHIVES}" ]; then
+ objects="--whole-archive ${KBUILD_VMLINUX_INIT} ${KBUILD_VMLINUX_MAIN} --no-whole-archive"
+ else
+ objects="${KBUILD_VMLINUX_INIT} --start-group ${KBUILD_VMLINUX_MAIN} --end-group"
+ fi
${LD} ${LDFLAGS} ${LDFLAGS_vmlinux} -o ${2} \
- -T ${lds} ${KBUILD_VMLINUX_INIT} \
- --start-group ${KBUILD_VMLINUX_MAIN} --end-group ${1}
+ -T ${lds} ${objects} ${1}
else
${CC} ${CFLAGS_vmlinux} -o ${2} \
-Wl,-T,${lds} ${KBUILD_VMLINUX_INIT} \
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev
^ permalink raw reply related
* Re: linux-next: please clean up the fscache tree
From: David Howells @ 2016-08-03 13:30 UTC (permalink / raw)
To: Stephen Rothwell; +Cc: dhowells, linux-next, linux-kernel
In-Reply-To: <20160803111510.65620fc7@canb.auug.org.au>
Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> The fscache tree
> (git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git#fscache)
> only contains 2 commits:
>
> b00c2ae2ed3c FS-Cache: Don't override netfs's primary_index if registering failed
> 3c9b3b74606d FS-Cache: Increase reference of parent after registering, netfs success
>
> which also exist in Linus' tree as other commits (they were merged in
> Nov, 2015 via Al Viro).
>
> Please clean this up, or let me know if it is not going to be used any
> more and I will delete the tree from linux-next.
Done.
David
^ permalink raw reply
* Re: powerpc allyesconfig / allmodconfig linux-next next-20160729 - next-20160729 build failures
From: Arnd Bergmann @ 2016-08-03 12:29 UTC (permalink / raw)
To: Stephen Rothwell
Cc: linuxppc-dev, Luis R. Rodriguez, linux-kernel@vger.kernel.org,
linux-next, Paul Mackerras, Fengguang Wu, Guenter Roeck
In-Reply-To: <20160803221911.2f76ccad@canb.auug.org.au>
On Wednesday, August 3, 2016 10:19:11 PM CEST Stephen Rothwell wrote:
> Hi Arnd,
>
> On Wed, 03 Aug 2016 09:52:23 +0200 Arnd Bergmann <arnd@arndb.de> wrote:
> >
> > Using a different way to link the kernel would also help us with
> > the remaining allyesconfig problem on ARM, as the problem is only in
> > 'ld -r' not producing trampolines for symbols that later cannot get
> > them any more. It would probably also help building with ld.gold,
> > which is currently not working.
> >
> > What is your suggested alternative?
>
> I have a patch that make the built-in.o files into thin archives (same
> as archives, but the actual objects are replaced with the name of the
> original object file). That way the final link has all the original
> objects. I haven't checked to see what the overheads of doing it this
> way is.
>
> Nick Piggin has just today taken my old patch (it was last rebased to
> v4.4-rc1) and tried it on a recent kernel and it still seems to mostly
> work. It probably needs some tidying up, but you are welcome to test
> it if you want to.
Sure, I'll certainly give it a try on ARM when you send me a copy.
Arnd
^ permalink raw reply
* Re: powerpc allyesconfig / allmodconfig linux-next next-20160729 - next-20160729 build failures
From: Stephen Rothwell @ 2016-08-03 12:19 UTC (permalink / raw)
To: Arnd Bergmann
Cc: linux-kernel@vger.kernel.org, Luis R. Rodriguez, linux-next,
Paul Mackerras, Fengguang Wu, linuxppc-dev, Guenter Roeck
In-Reply-To: <1944325.MtNrGQyQle@wuerfel>
Hi Arnd,
On Wed, 03 Aug 2016 09:52:23 +0200 Arnd Bergmann <arnd@arndb.de> wrote:
>
> Using a different way to link the kernel would also help us with
> the remaining allyesconfig problem on ARM, as the problem is only in
> 'ld -r' not producing trampolines for symbols that later cannot get
> them any more. It would probably also help building with ld.gold,
> which is currently not working.
>
> What is your suggested alternative?
I have a patch that make the built-in.o files into thin archives (same
as archives, but the actual objects are replaced with the name of the
original object file). That way the final link has all the original
objects. I haven't checked to see what the overheads of doing it this
way is.
Nick Piggin has just today taken my old patch (it was last rebased to
v4.4-rc1) and tried it on a recent kernel and it still seems to mostly
work. It probably needs some tidying up, but you are welcome to test
it if you want to.
--
Cheers,
Stephen Rothwell
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev
^ permalink raw reply
* Re: linux-next: please clean up the livepatching tree
From: Jiri Kosina @ 2016-08-03 9:29 UTC (permalink / raw)
To: Stephen Rothwell; +Cc: linux-next, linux-kernel
In-Reply-To: <20160803112328.671372ef@canb.auug.org.au>
On Wed, 3 Aug 2016, Stephen Rothwell wrote:
> > This is a part we keep discussing from time to time, and I still don't
> > understand why it bothers you so much. The only reason is to keep the
> > branch non-rebasing, because it has downstreams. Code-wise, it's
> > always equivalent to what end up being merged, but without the actual
> > superfluous merge commits.
>
> The problem from my point of view is that git seems to take more time
> to merge the tree into linux-next (I know this isn't much for just one
> tree, but I currently have over 200 trees to merge each day).
Because of merge commits the number of which is below 100? That's an
interesting observation and quite unexpected bottleneck in git.
> Also, having all those extra merges complicates the structure of my tree
> and presumably makes it harder for git to merge other trees. Its also
> possible (I have seen this in other trees) for the merge commits
> themselves to generate conflicts with (merge) commits in Linus' and
> other trees.
>
> Also, I am not sure why you have a branch that ask Linus to merge
> separate from the branch you have me merge?
Exactly to avoid Linus' tree being polluted by the extra merge commits.
My workflow is really simple -- development happens in (a lot of) topic
branches, and each and every time any of the topic branches is updated by
a new commit, that topic branch gets merged into for-next.
Once code should go to Linus, the branches are merged at once into
'for-linus' brach, and it's guaranteed to be code-wise the same as what
was gradually appearing in for-next.
What other workflow do you suggest for maintainers like me, who are using
a lot of topic branches?
If this is so bothering for you, I'd just start instructing for-next
downstreams to stop using that branch so that it could be easily rebased.
Thanks,
--
Jiri Kosina
SUSE Labs
^ permalink raw reply
* next-20160803 build: 0 failures 1 warnings (next-20160803)
From: Build bot for Mark Brown @ 2016-08-03 8:17 UTC (permalink / raw)
To: kernel-build-reports, linaro-kernel, linux-next
Tree/Branch: next-20160803
Git describe: next-20160803
Commit: 7a4be45ba2 Add linux-next specific files for 20160803
Build Time: 87 min 53 sec
Passed: 9 / 9 (100.00 %)
Failed: 0 / 9 ( 0.00 %)
Errors: 0
Warnings: 1
Section Mismatches: 0
-------------------------------------------------------------------------------
defconfigs with issues (other than build errors):
1 warnings 0 mismatches : arm-allmodconfig
-------------------------------------------------------------------------------
Warnings Summary: 1
1 ../drivers/tty/serial/8250/8250_fintek.c:34:0: warning: "IRQ_MODE" redefined
===============================================================================
Detailed per-defconfig build reports below:
-------------------------------------------------------------------------------
arm-allmodconfig : PASS, 0 errors, 1 warnings, 0 section mismatches
Warnings:
../drivers/tty/serial/8250/8250_fintek.c:34:0: warning: "IRQ_MODE" redefined
-------------------------------------------------------------------------------
Passed with no errors, warnings or mismatches:
arm64-allnoconfig
arm64-allmodconfig
arm-multi_v5_defconfig
arm-multi_v7_defconfig
x86_64-defconfig
arm-allnoconfig
x86_64-allnoconfig
arm64-defconfig
close failed in file object destructor:
sys.excepthook is missing
lost sys.stderr
^ permalink raw reply
* Re: powerpc allyesconfig / allmodconfig linux-next next-20160729 - next-20160729 build failures
From: Arnd Bergmann @ 2016-08-03 7:52 UTC (permalink / raw)
To: linuxppc-dev
Cc: Stephen Rothwell, Luis R. Rodriguez, linux-kernel@vger.kernel.org,
linux-next, Paul Mackerras, Fengguang Wu, Guenter Roeck
In-Reply-To: <20160803102324.6372e66a@canb.auug.org.au>
On Wednesday, August 3, 2016 10:23:24 AM CEST Stephen Rothwell wrote:
> Hi Luis,
>
> On Wed, 3 Aug 2016 00:02:43 +0200 "Luis R. Rodriguez" <mcgrof@kernel.org> wrote:
> >
> > Thanks for the confirmation. For how long is it known this is broken?
> > Does anyone care and fix these ? Or is this best effort?
>
> This has been broken for many years
>
> I have a couple of times almost fixed it, but it requires that we
> change from using "ld -r" to build the built-in.o objects and some
> changes to the powerpc head.S code ... I will give it another shot now
> that the merge window is almost over (and linux-next goes into its
> quieter time).
Using a different way to link the kernel would also help us with
the remaining allyesconfig problem on ARM, as the problem is only in
'ld -r' not producing trampolines for symbols that later cannot get
them any more. It would probably also help building with ld.gold,
which is currently not working.
What is your suggested alternative?
Arnd
^ permalink raw reply
* linux-next: Tree for Aug 3
From: Stephen Rothwell @ 2016-08-03 3:56 UTC (permalink / raw)
To: linux-next; +Cc: linux-kernel
Hi all,
Please do not add material destined for v4.9 to your linux-next included
branches until after v4.8-rc1 has been released.
Changes since 20160802:
My fixes tree is empty again.
Non-merge commits (relative to Linus' tree): 1166
1375 files changed, 45683 insertions(+), 12773 deletions(-)
----------------------------------------------------------------------------
I have created today's linux-next tree at
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
(patches at http://www.kernel.org/pub/linux/kernel/next/ ). If you
are tracking the linux-next tree using git, you should not use "git pull"
to do so as that will try to merge the new linux-next release with the
old one. You should use "git fetch" and checkout or reset to the new
master.
You can see which trees have been included by looking in the Next/Trees
file in the source. There are also quilt-import.log and merge.log
files in the Next directory. Between each merge, the tree was built
with a ppc64_defconfig for powerpc and an allmodconfig (with
CONFIG_BUILD_DOCSRC=n) for x86_64, a multi_v7_defconfig for arm and a
native build of tools/perf. After the final fixups (if any), I do an
x86_64 modules_install followed by builds for x86_64 allnoconfig,
powerpc allnoconfig (32 and 64 bit), ppc44x_defconfig, allyesconfig
(this fails its final link) and pseries_le_defconfig and i386, sparc
and sparc64 defconfig.
Below is a summary of the state of the merge.
I am currently merging 241 trees (counting Linus' and 35 trees of patches
pending for Linus' tree).
Stats about the size of the tree over time can be seen at
http://neuling.org/linux-next-size.html .
Status of my local build tests will be at
http://kisskb.ellerman.id.au/linux-next . If maintainers want to give
advice about cross compilers/configs that work, we are always open to add
more builds.
Thanks to Randy Dunlap for doing many randconfig builds. And to Paul
Gortmaker for triage and bug fixes.
--
Cheers,
Stephen Rothwell
$ git checkout master
$ git reset --hard stable
Merging origin/master (c8d0267efdb4 Merge tag 'pci-v4.8-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci)
Merging fixes/master (77a87824ed67 clocksource/drivers/clps_711x: fixup for "ARM: clps711x:)
Merging kbuild-current/rc-fixes (b36fad65d61f kbuild: Initialize exported variables)
Merging arc-current/for-curr (9bd54517ee86 arc: unwind: warn only once if DW2_UNWIND is disabled)
Merging arm-current/fixes (f6492164ecb1 ARM: 8577/1: Fix Cortex-A15 798181 errata initialization)
Merging m68k-current/for-linus (6bd80f372371 m68k/defconfig: Update defconfigs for v4.7-rc2)
Merging metag-fixes/fixes (0164a711c97b metag: Fix ioremap_wc/ioremap_cached build errors)
Merging powerpc-fixes/fixes (bad60e6f259a Merge tag 'powerpc-4.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux)
Merging powerpc-merge-mpe/fixes (bc0195aad0da Linux 4.2-rc2)
Merging sparc/master (797cee982eef Merge branch 'stable-4.8' of git://git.infradead.org/users/pcmoore/audit)
Merging net/master (1d2c2024dcb7 qed: Fail driver load in 100g MSI mode.)
Merging ipsec/master (6916fb3b10b3 xfrm: Ignore socket policies when rebuilding hash tables)
Merging netfilter/master (43dcff349f09 net: qlcnic: avoid superfluous assignement)
Merging ipvs/master (ea43f860d984 Merge branch 'ethoc-fixes')
Merging wireless-drivers/master (034fdd4a17ff Merge ath-current from ath.git)
Merging mac80211/master (4e3f21bc7bfb mac80211: fix check for buffered powersave frames with txq)
Merging sound-current/for-linus (9b51fe3efe4c ALSA: hda - On-board speaker fixup on ACER Veriton)
Merging pci-current/for-linus (ef0dab4aae14 PCI: Fix unaligned accesses in VC code)
Merging driver-core.current/driver-core-linus (523d939ef98f Linux 4.7)
Merging tty.current/tty-linus (0e06f5c0deee Merge branch 'akpm' (patches from Andrew))
Merging usb.current/usb-linus (e65805251f2d Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip)
Merging usb-gadget-fixes/fixes (50c763f8c1ba usb: dwc3: Set the ClearPendIN bit on Clear Stall EP command)
Merging usb-serial-fixes/usb-linus (4c2e07c6a29e Linux 4.7-rc5)
Merging usb-chipidea-fixes/ci-for-usb-stable (ea1d39a31d3b usb: common: otg-fsm: add license to usb-otg-fsm)
Merging staging.current/staging-linus (0e06f5c0deee Merge branch 'akpm' (patches from Andrew))
Merging char-misc.current/char-misc-linus (0e06f5c0deee Merge branch 'akpm' (patches from Andrew))
Merging input-current/for-linus (080888286377 Merge branch 'next' into for-linus)
Merging crypto-current/master (8cf740ae85df crypto: marvell - Don't copy IV vectors from the _process op for ciphers)
Merging ide/master (797cee982eef Merge branch 'stable-4.8' of git://git.infradead.org/users/pcmoore/audit)
Merging rr-fixes/fixes (8244062ef1e5 modules: fix longstanding /proc/kallsyms vs module insertion race.)
Merging vfio-fixes/for-linus (ce7585f3c4d7 vfio/pci: Allow VPD short read)
Merging kselftest-fixes/fixes (f80eb4289491 selftests/exec: Makefile is a run-time dependency, add it to the install list)
Merging backlight-fixes/for-backlight-fixes (68feaca0b13e backlight: pwm: Handle EPROBE_DEFER while requesting the PWM)
Merging ftrace-fixes/for-next-urgent (6224beb12e19 tracing: Have branch tracer use recursive field of task struct)
Merging mfd-fixes/for-mfd-fixes (5baaf3b9efe1 usb: dwc3: st: Use explicit reset_control_get_exclusive() API)
Merging drm-intel-fixes/for-linux-next-fixes (ed2eebbd61af drm/i915: add missing condition for committing planes on crtc)
Merging asm-generic/master (b0da6d44157a asm-generic: Drop renameat syscall from default list)
Merging arc/for-next (3925a16ae980 ARC: mm: don't loose PTE_SPECIAL in pte_modify())
Merging arm/for-next (bf9cb4359182 Merge branches 'component', 'cpuidle', 'fixes' and 'misc' into for-next)
CONFLICT (content): Merge conflict in drivers/iommu/mtk_iommu.c
CONFLICT (content): Merge conflict in drivers/gpu/drm/sti/sti_drv.c
CONFLICT (content): Merge conflict in drivers/gpu/drm/rockchip/rockchip_drm_drv.c
CONFLICT (content): Merge conflict in drivers/gpu/drm/msm/msm_drv.c
Merging arm-perf/for-next/perf (1a695a905c18 Linux 4.7-rc1)
Merging arm-soc/for-next (c29fc0cab62b ARM: SoC: Document merges)
Merging amlogic/for-next (4d9b3db03bd4 Merge remote-tracking branch 'clk/clk-s905' into tmp/aml-rebuild)
Merging at91/at91-next (0f59c948faed Merge tag 'at91-ab-4.8-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into at91-next)
Merging bcm2835/for-next (aa5c0a1e15c2 Merge branch anholt/bcm2835-dt-64-next into for-next)
Merging berlin/berlin/for-next (d433580f3b4e Merge branches 'berlin64/dt' and 'berlin/dt' into berlin/for-next)
Merging cortex-m/for-next (f719a0d6a854 ARM: efm32: switch to vendor,device compatible strings)
Merging imx-mxs/for-next (63a404a3f177 Merge branch 'imx/defconfig' into for-next)
Merging keystone/next (eef6bb9fc17a Merge branch 'for_4.8/keystone' into next)
Merging mvebu/for-next (feaf6b0beba8 Merge branch 'mvebu/defconfig64' into mvebu/for-next)
Merging omap/for-next (370c3261ba8a Merge branch 'omap-for-v4.8/soc' into for-next)
Merging omap-pending/for-next (c20c8f750d9f ARM: OMAP2+: hwmod: fix _idle() hwmod state sanity check sequence)
Merging qcom/for-next (289f9fb05d0c ARM: dts: msm8916: Add smsm and smp2p nodes)
Merging renesas/next (314a0bb0dd88 Merge branch 'heads/soc-fixes-for-v4.8' into next)
Merging rockchip/for-next (ebbfb5d5627d Merge branch 'v4.8-armsoc/dts64' into for-next)
Merging rpi/for-rpi-next (bc0195aad0da Linux 4.2-rc2)
Merging samsung/for-next (1a695a905c18 Linux 4.7-rc1)
Merging samsung-krzk/for-next (253256f64294 Merge branch 'next/soc' into for-next)
CONFLICT (content): Merge conflict in arch/arm/boot/dts/exynos5420.dtsi
Merging tegra/for-next (b551165a4593 Merge branch for-4.8/arm64/defconfig into for-next)
Merging arm64/for-next/core (fd6380b75065 arm64: arm: Fix-up the removal of the arm64 regs_query_register_name() prototype)
Merging blackfin/for-linus (391e74a51ea2 eth: bf609 eth clock: add pclk clock for stmmac driver probe)
CONFLICT (content): Merge conflict in arch/blackfin/mach-common/pm.c
Merging c6x/for-linux-next (ca3060d39ae7 c6x: Use generic clkdev.h header)
Merging cris/for-next (f9f3f864b5e8 cris: Fix section mismatches in architecture startup code)
Merging h8300/h8300-next (58c57526711f h8300: Add missing include file to asm/io.h)
Merging hexagon/linux-next (02cc2ccfe771 Revert "Hexagon: fix signal.c compile error")
Merging ia64/next (fbb0e4da96f4 ia64: salinfo: use a waitqueue instead a sema down/up combo)
Merging m68k/for-next (6bd80f372371 m68k/defconfig: Update defconfigs for v4.7-rc2)
Merging m68knommu/for-next (33688abb2802 Linux 4.7-rc4)
Merging metag/for-next (fb2bb461e2d8 metag: Remove duplicate KERN_<LEVEL> prefix)
Merging microblaze/next (52e9e6e05617 microblaze: pci: export isa_io_base to fix link errors)
Merging mips/mips-for-linux-next (a86c1814c86b Merge branch '4.7-fixes' into mips-for-linux-next)
Merging nios2/for-next (9fa78f63a892 nios2: Add order-only DTC dependency to %.dtb target)
Merging parisc-hd/for-next (a549c45a22de parisc: Change structure intialisation to C99 style in iomap.c)
Merging powerpc/next (a67ae75802f1 powerpc/ptrace: Enable support for Performance Monitor registers)
Merging powerpc-mpe/next (bc0195aad0da Linux 4.2-rc2)
Merging fsl/next (9f595fd8b548 powerpc/8xx: Force VIRT_IMMR_BASE to be a positive number)
Merging mpc5xxx/next (39e69f55f857 powerpc: Introduce the use of the managed version of kzalloc)
Merging s390/features (44cee85a8824 Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild)
Merging sparc-next/master (9f935675d41a Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input)
Merging sh/for-next (04394bc3bd17 sh: use common clock framework with device tree boards)
Merging tile/master (74050a3188c8 tile-srom: avoid krealloc(... __GFP_ZERO) pattern)
Merging uml/linux-next (a78ff1112263 um: add extended processor state save/restore support)
Merging unicore32/unicore32 (c83d8b2fc986 unicore32: mm: Add missing parameter to arch_vma_access_permitted)
Merging xtensa/for_next (9da8320bb977 xtensa: add test_kc705_hifi variant)
Merging befs/for-next (3e35c149e220 fs: befs: remove ret variable)
Merging btrfs/next (8b8b08cbfb90 Btrfs: fix delalloc accounting after copy_from_user faults)
Merging btrfs-kdave/for-next (d84c090ad3e9 Fixup: fs_info/root cleanups and qgroups patches)
CONFLICT (content): Merge conflict in fs/btrfs/extent_io.c
CONFLICT (content): Merge conflict in fs/btrfs/compression.c
Merging ceph/master (a0f2b6527541 ceph: fix symbol versioning for ceph_monc_do_statfs)
Merging cifs/for-next (27ae0c41ed2e Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse)
Merging configfs/for-next (3dc3afadeb04 configfs: don't set buffer_needs_fill to zero if show() returns error)
Merging ecryptfs/next (2bdcdbea80bd ecryptfs: don't allow mmap when the lower fs doesn't support it)
Merging ext3/for_next (e008bb6134a6 quota: use time64_t internally)
Merging ext4/dev (7bc949164511 ext4: verify extent header depth)
Merging f2fs/dev (194dc870a589 Add braces to avoid "ambiguous ‘else’" compiler warnings)
Merging freevxfs/for-next (bf1bb4b460c8 freevxfs: update Kconfig information)
Merging fscache/fscache (b00c2ae2ed3c FS-Cache: Don't override netfs's primary_index if registering failed)
Merging fuse/for-next (7244b9538994 f2fs: use filemap_check_errors())
Applying: btrfs: merge fix for "mm: export filemap_check_errors() to modules"
Merging gfs2/for-next (47a9a5279468 GFS2: use BIT() macro)
Merging jfs/jfs-next (6ed71e9819ac jfs: Coalesce some formats)
Merging nfs/linux-next (1f4c17a03ba7 SUNRPC: Handle EADDRNOTAVAIL on connection failures)
Merging nfsd/nfsd-next (49d0325625a7 nfsd: drop unnecessary MAY_EXEC check from create)
Merging orangefs/for-next (78fee0b6846f orangefs: fix namespace handling)
Merging overlayfs/overlayfs-next (b92a89750dba Revert "vfs: add lookup_hash() helper")
Merging v9fs/for-next (a333e4bf2556 fs/9p: use fscache mutex rather than spinlock)
Merging ubifs/linux-next (5d71afb00840 ubi: Use bitmaps in Fastmap self-check code)
Merging xfs/for-next (f2bdfda9a1c6 Merge branch 'xfs-4.8-misc-fixes-4' into for-next)
Merging file-locks/linux-next (5af9c2e19da6 Merge branch 'akpm' (patches from Andrew))
Merging vfs/for-next (38a8a5e62f9a Merge branch 'work.const-qstr' into for-next)
CONFLICT (content): Merge conflict in fs/f2fs/f2fs.h
CONFLICT (content): Merge conflict in fs/f2fs/dir.c
Applying: qstr: unconstify fuse_reverse_inval_entry parameter
Merging pci/next (9454c23852ca Merge branch 'pci/msi-affinity' into next)
Merging pstore/for-next/pstore (d42d3997dc54 pstore: use DT reserved-memory bindings)
Merging hid/for-next (de1bcd764ea0 Merge branch 'for-4.8/upstream' into for-next)
Merging i2c/i2c/for-next (c35d490516e6 Merge branch 'i2c/for-4.8' into i2c/for-next)
Merging jdelvare-hwmon/master (08d27eb20666 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs)
Merging dmi/master (0deb6b2c087a dmi-id: don't free dev structure after calling device_register)
Merging hwmon-staging/hwmon-next (1d3dd4ce210f Documentation: dtb: xgene: Add hwmon dts binding documentation)
Merging v4l-dvb/master (bcbadf9d8331 Merge branch 'topic/docs-next' into to_next)
Merging pm/linux-next (df14da087cc2 Merge branch 'acpi-button' into linux-next)
Merging idle/next (f55532a0c0b8 Linux 4.6-rc1)
Merging thermal/next (2c5ce98e1e83 thermal: sysfs: add comments describing locking strategy)
Merging thermal-soc/next (9a1d2bd3e7fd Merge branch 'work-fixes' into work-next)
CONFLICT (add/add): Merge conflict in drivers/thermal/thermal_sysfs.c
CONFLICT (add/add): Merge conflict in drivers/thermal/thermal_helpers.c
CONFLICT (content): Merge conflict in drivers/thermal/thermal_core.c
Merging ieee1394/for-next (384fbb96f926 firewire: nosy: Replace timeval with timespec64)
Merging dlm/next (5c93f56f770e dlm: Use kmemdup instead of kmalloc and memcpy)
Merging swiotlb/linux-next (386744425e35 swiotlb: Make linux/swiotlb.h standalone includible)
Merging slave-dma/next (61fa0c294347 Merge branch 'for-linus' into next)
Merging net-next/master (6a492b0f23d2 Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi)
Merging ipsec-next/master (cb866e3298cd xfrm: Increment statistic counter on inner mode error)
Merging netfilter-next/master (6a492b0f23d2 Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi)
Merging ipvs-next/master (ae9442f688c3 ipvs: Use IS_ERR_OR_NULL(svc) instead of IS_ERR(svc) || svc == NULL)
Merging wireless-drivers-next/master (cb6a11518850 wlcore: spi: fix build warning caused by redundant variable)
Merging bluetooth/master (4245ca567d4a mac802154: use rate limited warnings for malformed frames)
Merging mac80211-next/master (6a492b0f23d2 Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi)
Merging rdma/for-next (fb92d8fb1b9c Merge branches 'cxgb4-4.8', 'mlx5-4.8' and 'fw-version' into k.o/for-4.8)
Merging rdma-leon/rdma-next (4c2e07c6a29e Linux 4.7-rc5)
Merging rdma-leon-test/testing/rdma-next (92d21ac74a9e Linux 4.7-rc7)
Merging mtd/master (11e8a7f9aa94 Merge tag 'for-linus-20160801' into HEAD)
Merging l2-mtd/master (1dcff2e4ae72 mtd: spi-nor: don't build Cadence QuadSPI on non-ARM)
Merging nand/nand/next (8490c03bd9d4 mtd: nand: jz4780: Update MODULE_AUTHOR email address)
Merging crypto/master (0f95e2ffc58f Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6)
Merging drm/drm-next (dfd2e9ab6a7d drm/i915: Check PSR setup time vs. vblank length)
Merging drm-panel/drm/panel/for-next (9bb34c4c730d drm/panel: simple: Add support for Starry KR122EA0SRA panel)
Merging drm-intel/for-linux-next (a7b4667a0002 drm/i915: Never fully mask the the EI up rps interrupt on SNB/IVB)
Merging drm-tegra/drm/tegra/for-next (64ea25c3bc86 drm/tegra: sor: Reject HDMI 2.0 modes)
Merging drm-misc/topic/drm-misc (12ae57aab438 drm/arm: mali-dp: Fix error return code in malidp_bind())
Merging drm-exynos/exynos-drm/for-next (25364a9e54fb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid)
Merging drm-msm/msm-next (0a677125d0ff drm/msm: Delete an unnecessary check before drm_gem_object_unreference())
Merging hdlcd/for-upstream/hdlcd (523d939ef98f Linux 4.7)
Merging mali-dp/for-upstream/mali-dp (59ba2422b430 MAINTAINERS: Add entry for Mali-DP driver)
Merging sunxi/sunxi/for-next (25d6a931b3f3 Merge branches 'sunxi/clk-fixes-for-4.7', 'sunxi/defconfig-for-4.8', 'sunxi/drm-fixes-for-4.7' and 'sunxi/dt-for-4.8' into sunxi/for-next)
Merging kbuild/for-next (f6830d5346c9 Merge branch 'kbuild/misc' into kbuild/for-next)
Merging kspp/for-next/kspp (6fbe16013e52 Merge branch 'for-next/ro_after_init' into for-next/kspp)
CONFLICT (content): Merge conflict in mm/page_alloc.c
CONFLICT (content): Merge conflict in drivers/char/random.c
CONFLICT (content): Merge conflict in arch/x86/kvm/vmx.c
CONFLICT (content): Merge conflict in arch/x86/kernel/x86_init.c
CONFLICT (content): Merge conflict in arch/powerpc/Kconfig
CONFLICT (content): Merge conflict in arch/arm64/include/asm/uaccess.h
Merging kconfig/for-next (5bcba792bb30 localmodconfig: Fix whitespace repeat count after "tristate")
Merging regmap/for-next (7fd1a44a9da2 Merge remote-tracking branch 'regmap/fix/cache' into regmap-linus)
Merging sound/for-next (9b51fe3efe4c ALSA: hda - On-board speaker fixup on ACER Veriton)
Merging sound-asoc/for-next (475972d473c6 Merge remote-tracking branches 'asoc/topic/cs53l30', 'asoc/topic/da7219' and 'asoc/topic/rt5659' into asoc-next)
Merging modules/modules-next (8acc0026b0f3 extable.h: add stddef.h so "NULL" definition is not implicit)
Merging input/next (192bd2be1a75 Input: add driver for Silead touchscreens)
Merging block/for-next (b013517951a1 Merge branch 'for-4.8/core' into for-next)
Merging lightnvm/for-next (191d684c5d4f Merge branch 'for-4.8/drivers' into for-next)
Merging device-mapper/for-next (eaf9a7361f47 dm: set DMF_SUSPENDED* _before_ clearing DMF_NOFLUSH_SUSPENDING)
Merging pcmcia/master (e8e68fd86d22 pcmcia: do not break rsrc_nonstatic when handling anonymous cards)
Merging mmc-uh/next (6ea625794518 mmc: rtsx_pci: Remove deprecated create_singlethread_workqueue)
Merging md/for-next (ff00d3b4e5e4 raid5: fix incorrectly counter of conf->empty_inactive_list_nr)
Merging mfd/for-mfd-next (f37be01e6dc6 mfd: qcom_rpm: Parametrize also ack selector size)
Merging backlight/for-backlight-next (602553073892 backlight: lp855x: Add enable regulator)
Merging battery/master (4fcd504edbf7 power: reset: add reboot mode driver)
Merging omap_dss2/for-next (ab366b40b851 fbdev: Use IS_ENABLED() instead of checking for built-in or module)
Merging regulator/for-next (a485f5fc8c8e Merge remote-tracking branches 'regulator/topic/qcom-spmi', 'regulator/topic/rn5t618', 'regulator/topic/tps65218' and 'regulator/topic/twl' into regulator-next)
Merging security/next (7616ac70d1bb apparmor: fix SECURITY_APPARMOR_HASH_DEFAULT parameter handling)
Merging integrity/next (56078b570983 module: Fully remove the kernel_module_from_file hook)
Merging keys/keys-next (05638c9bc586 Merge branch 'keys-asym-keyctl' into keys-next)
Merging selinux/next (3f09354ac84c netlabel: Implement CALIPSO config functions for SMACK.)
Merging tpmdd/next (82cc1a49b635 tpm: Add TPM 2.0 support to the Nuvoton i2c driver (NPCT6xx family))
Merging watchdog/master (1ac06563434e watchdog: gpio_wdt: Fix missing platform_set_drvdata() in gpio_wdt_probe())
Merging iommu/next (f360d3241f55 Merge branches 'x86/amd', 'x86/vt-d', 'arm/exynos', 'arm/mediatek', 'arm/msm', 'arm/rockchip', 'arm/smmu' and 'core' into next)
Merging dwmw2-iommu/master (2566278551d3 Merge git://git.infradead.org/intel-iommu)
Merging vfio/next (0991bbdbf5b8 vfio: platform: check reset call return code during release)
Merging jc_docs/docs-next (a88b1672d4dd doc-rst: kernel-doc: fix handling of address_space tags)
Merging trivial/for-next (34df117414d7 fat: fix error message for bogus number of directory entries)
Merging audit/next (43761473c254 audit: fix a double fetch in audit_log_single_execve_arg())
Merging devicetree/for-next (e973f4ec130a xtensa: Partially Revert "xtensa: Remove unnecessary of_platform_populate with default match table")
Merging mailbox/mailbox-for-next (a68b216676e8 mailbox: Fix format and type mismatches in Broadcom PDC driver)
Merging spi/for-next (914a58c1a1b4 Merge remote-tracking branch 'spi/topic/pic32-sqi' into spi-next)
Merging tip/auto-latest (4960be97f652 Merge branch 'x86/urgent')
CONFLICT (content): Merge conflict in arch/x86/lib/csum-wrappers_64.c
Merging clockevents/clockevents/next (1d661bf5327a clocksource/drivers/time-armada-370-xp: Fix return value check)
Merging edac/linux_next (12f0721c5a70 sb_edac: correctly fetch DIMM width on Ivy Bridge and Haswell)
Merging edac-amd/for-next (a67adb32d941 ARM: dts: Add Arria10 Ethernet EDAC devicetree entry)
Merging irqchip/irqchip/for-next (77d50b17c990 Merge branch 'irqchip/misc' into irqchip/for-next)
Merging ftrace/for-next (78aebca2c955 printk, tracing: Avoiding unneeded blank lines)
Merging rcu/rcu/next (5bc94664884a rcu: Avoid redundant quiescent-state chasing)
CONFLICT (content): Merge conflict in kernel/rcu/tree.c
Merging kvm/linux-next (23528bb21ee2 KVM: PPC: Introduce KVM_CAP_PPC_HTM)
Merging kvm-arm/next (89581f06b2bc arm64: KVM: Set cpsr before spsr on fault injection)
CONFLICT (content): Merge conflict in virt/kvm/irqchip.c
CONFLICT (content): Merge conflict in Documentation/virtual/kvm/api.txt
Merging kvm-ppc/kvm-ppc-next (c63517c2e381 KVM: PPC: Book3S: correct width in XER handling)
Merging kvm-ppc-paulus/kvm-ppc-next (93d17397e4e2 KVM: PPC: Book3S HV: Save/restore TM state in H_CEDE)
Merging kvms390/next (9acc317b183f KVM: s390: let ptff intercepts result in cc=3)
Merging xen-tip/linux-next (d34c30cc1fa8 xen: add static initialization of steal_clock op to xen_time_ops)
Merging percpu/for-next (6710e594f71c percpu: fix synchronization between synchronous map extension and chunk destruction)
Merging workqueues/for-next (d945b5e9f0e3 workqueue: Fix setting affinity of unbound worker threads)
Merging drivers-x86/for-next (c37636b450ae dell-wmi: Ignore WMI event 0xe00e)
Merging chrome-platform/for-next (31b764171cb5 Revert "platform/chrome: chromeos_laptop: Add Leon Touch")
Merging hsi/for-next (9c99e5e51988 HSI: omap_ssi: drop pm_runtime_irq_safe)
Merging leds/for-next (5706c01fcfb3 leds: is31fl32xx: define complete i2c_device_id table)
Merging ipmi/for-next (92cad0931b08 ipmi: remove trydefaults parameter and default init)
Merging driver-core/driver-core-next (523d939ef98f Linux 4.7)
Merging tty/tty-next (0e06f5c0deee Merge branch 'akpm' (patches from Andrew))
Merging usb/usb-next (0bf048abebb6 staging: emxx_udc: allow modular build)
Merging usb-gadget/next (15e4292a2d21 usb: renesas_usbhs: protect the CFIFOSEL setting in usbhsg_ep_enable())
Merging usb-serial/usb-next (3161da970d38 USB: serial: use variable for status)
Merging usb-chipidea-next/ci-for-usb-next (229d43daf8ed usb: chipidea: imx: set over current polarity per dts setting)
Merging staging/staging-next (0e06f5c0deee Merge branch 'akpm' (patches from Andrew))
Merging char-misc/char-misc-next (0e06f5c0deee Merge branch 'akpm' (patches from Andrew))
Merging extcon/extcon-next (356d95190d84 extcon: Fix compile time warning)
Merging cgroup/for-next (1cab4a96cab6 Merge branch 'for-4.8' into for-next)
Merging scsi/for-next (c8e18acccb9b ipr: Fix error return code in ipr_probe_ioa())
Merging target-updates/for-next (291e3e51a34d target: fix spelling mistake: "limitiation" -> "limitation")
Merging target-merge/for-next-merge (2994a7518317 cxgb4: update Kconfig and Makefile)
Merging libata/for-next (737bee9308c4 libata-scsi: better style in ata_msense_*())
Merging binfmt_misc/for-next (4af75df6a410 binfmt_misc: add F option description to documentation)
Merging pinctrl/for-next (9573e7923007 pinctrl: fix pincontrol definition for marvell)
Merging vhost/linux-next (b226acab2f6a VSOCK: Use kvfree())
Merging remoteproc/for-next (7a6271a80cae remoteproc/wkup_m3: Use MODULE_DEVICE_TABLE to export alias)
Merging rpmsg/for-next (e937b335a738 Merge branches 'hwspinlock-next', 'rpmsg-next' and 'rproc-next' into for-next)
Merging gpio/for-next (7a73f0695d66 ARM: do away with final ARCH_REQUIRE_GPIOLIB)
Merging dma-mapping/dma-mapping-next (d770e558e219 Linux 4.2-rc1)
Merging pwm/for-next (53de7c26ded7 Merge branch 'for-4.8/regulator' into for-next)
CONFLICT (content): Merge conflict in Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt
Merging dma-buf/for-next (194cad44c4e1 dma-buf/sync_file: improve Kconfig description for Sync Files)
CONFLICT (content): Merge conflict in drivers/dma-buf/Kconfig
Merging userns/for-next (aeaa4a79ff6a fs: Call d_automount with the filesystems creds)
Merging ktest/for-next (2dcd0af568b0 Linux 4.6)
Merging clk/clk-next (d22527fed2f0 Merge branch 'clk-fixes' into clk-next)
Merging random/dev (59b8d4f1f5d2 random: use for_each_online_node() to iterate over NUMA nodes)
Merging aio/master (b562e44f507e Linux 4.5)
Merging kselftest/next (d78388dbec25 selftests: media_tests add a new video device test)
Merging y2038/y2038 (549eb7b22e24 AFS: Correctly use 64-bit time for UUID)
Merging luto-misc/next (2dcd0af568b0 Linux 4.6)
Merging borntraeger/linux-next (b562e44f507e Linux 4.5)
Merging livepatching/for-next (523d939ef98f Linux 4.7)
Merging coresight/next (27ee11458de3 coresight: tmc: Delete an unnecessary check before the function call "kfree")
Merging rtc/rtc-next (6f367788d633 rtc: rv8803: Clear V1F when setting the time)
CONFLICT (content): Merge conflict in arch/x86/platform/efi/efi_64.c
Merging hwspinlock/for-next (bd5717a4632c hwspinlock: qcom: Correct msb in regmap_field)
Merging nvdimm/libnvdimm-for-next (0606263f24f3 Merge branch 'for-4.8/libnvdimm' into libnvdimm-for-next)
Merging dax-misc/dax-misc (4d9a2c874667 dax: Remove i_mmap_lock protection)
Merging akpm-current/current (26976fd78a3d ipc/msg.c: use freezable blocking call)
CONFLICT (content): Merge conflict in include/linux/thread_info.h
CONFLICT (content): Merge conflict in arch/x86/include/asm/thread_info.h
$ git checkout -b akpm remotes/origin/akpm/master
Applying: drivers/net/wireless/intel/iwlwifi/dvm/calib.c: simplfy min() expression
Applying: drivers/fpga/Kconfig: fix build failure
Applying: tree-wide: replace config_enabled() with IS_ENABLED()
Applying: include/linux/bitmap.h: cleanup
Applying: powerpc: add explicit #include <asm/asm-compat.h> for jump label
Applying: sparc: support static_key usage in non-module __exit sections
Applying: tile: support static_key usage in non-module __exit sections
Applying: arm: jump label may reference text in __exit
Applying: jump_label: remove bug.h, atomic.h dependencies for HAVE_JUMP_LABEL
Applying: dynamic_debug: add jump label support
Applying: ipc/sem.c: fix complex_count vs. simple op race
Applying: media: mtk-vcodec: remove unused dma_attrs
Applying: dma-mapping: use unsigned long for dma_attrs
Applying: alpha: dma-mapping: use unsigned long for dma_attrs
Applying: arc: dma-mapping: use unsigned long for dma_attrs
Applying: ARM: dma-mapping: use unsigned long for dma_attrs
Applying: arm64: dma-mapping: use unsigned long for dma_attrs
Applying: avr32: dma-mapping: use unsigned long for dma_attrs
Applying: blackfin: dma-mapping: use unsigned long for dma_attrs
Applying: c6x: dma-mapping: use unsigned long for dma_attrs
Applying: cris: dma-mapping: use unsigned long for dma_attrs
Applying: frv: dma-mapping: use unsigned long for dma_attrs
Applying: drm/exynos: dma-mapping: use unsigned long for dma_attrs
Applying: drm/mediatek: dma-mapping: use unsigned long for dma_attrs
Applying: drm/msm: dma-mapping: use unsigned long for dma_attrs
Applying: drm/nouveau: dma-mapping: use unsigned long for dma_attrs
Applying: drm/rockship: dma-mapping: use unsigned long for dma_attrs
Applying: infiniband: dma-mapping: use unsigned long for dma_attrs
Applying: iommu: dma-mapping: use unsigned long for dma_attrs
Applying: media: dma-mapping: use unsigned long for dma_attrs
Applying: xen: dma-mapping: use unsigned long for dma_attrs
Applying: swiotlb: dma-mapping: use unsigned long for dma_attrs
Applying: powerpc: dma-mapping: use unsigned long for dma_attrs
Applying: video: dma-mapping: use unsigned long for dma_attrs
Applying: x86: dma-mapping: use unsigned long for dma_attrs
Applying: iommu: intel: dma-mapping: use unsigned long for dma_attrs
Applying: h8300: dma-mapping: use unsigned long for dma_attrs
Applying: hexagon: dma-mapping: use unsigned long for dma_attrs
Applying: ia64: dma-mapping: use unsigned long for dma_attrs
Applying: m68k: dma-mapping: use unsigned long for dma_attrs
Applying: metag: dma-mapping: use unsigned long for dma_attrs
Applying: microblaze: dma-mapping: use unsigned long for dma_attrs
Applying: mips: dma-mapping: use unsigned long for dma_attrs
Applying: mn10300: dma-mapping: use unsigned long for dma_attrs
Applying: nios2: dma-mapping: use unsigned long for dma_attrs
Applying: openrisc: dma-mapping: use unsigned long for dma_attrs
Applying: parisc: dma-mapping: use unsigned long for dma_attrs
Applying: misc: mic: dma-mapping: use unsigned long for dma_attrs
Applying: s390: dma-mapping: use unsigned long for dma_attrs
Applying: sh: dma-mapping: use unsigned long for dma_attrs
Applying: sparc: dma-mapping: use unsigned long for dma_attrs
Applying: tile: dma-mapping: use unsigned long for dma_attrs
Applying: unicore32: dma-mapping: use unsigned long for dma_attrs
Applying: xtensa: dma-mapping: use unsigned long for dma_attrs
Applying: remoteproc: qcom: use unsigned long for dma_attrs
Applying: dma-mapping: remove dma_get_attr
Applying: dma-mapping: document the DMA attributes next to the declaration
Applying: samples/kprobe: convert the printk to pr_info/pr_err
Applying: samples/jprobe: convert the printk to pr_info/pr_err
Applying: samples/kretprobe: convert the printk to pr_info/pr_err
Applying: samples/kretprobe: fix the wrong type
Applying: block: remove BLK_DEV_DAX config option
Applying: MAINTAINERS: update email and list of Samsung HW driver maintainers
Merging akpm/master (978d543a0a43 MAINTAINERS: update email and list of Samsung HW driver maintainers)
^ permalink raw reply
* Re: powerpc allyesconfig / allmodconfig linux-next next-20160729 - next-20160729 build failures
From: Michael Ellerman @ 2016-08-03 2:46 UTC (permalink / raw)
To: Luis R. Rodriguez, Benjamin Herrenschmidt, Paul Mackerras
Cc: Stephen Rothwell, linux-kernel@vger.kernel.org, linux-next,
Fengguang Wu, linuxppc-dev, Guenter Roeck
In-Reply-To: <CAB=NE6U18jv89pxqAeZY8eTj44mq90kyXGaQO-108+ZMTyxQiQ@mail.gmail.com>
"Luis R. Rodriguez" <mcgrof@kernel.org> writes:
> Are linux-next builds being tested for powerpc with allyesconfig and
> allmodconfig ?
Yes, every single version:
http://kisskb.ellerman.id.au/kisskb/target/2659/
> I have some changes I'm making and while debugging my
> build issues I decided to give a clean build a shot and see linux-next
> next-20160729 up to next-20160729 all have build failures without my
> changes. I get:
>
> /opt/gcc-4.9.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld:
> drivers/built-in.o: .opd is not a regular array of opd entries
> MODPOST vmlinux.o
> GEN .version
> CHK include/generated/compile.h
> UPD include/generated/compile.h
> CC init/version.o
> LD init/built-in.o
> /opt/gcc-4.9.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld:
> drivers/built-in.o: .opd is not a regular array of opd entries
> drivers/built-in.o: In function `.ipw2100_up':
> ipw2100.c:(.text+0x1ff9c90): relocation truncated to fit:
> R_PPC64_REL24 (stub) against symbol `.round_jiffies_relative' defined
> in .text section in kernel/built-in.o
And yes this is a known problem, there have been attempts to fix it, but
none that quite got working.
In fact it's our bug #1 :)
https://github.com/linuxppc/linux/issues/1
Please use allmodconfig, which should build in general. Or one of our
other defconfigs, eg. ppc64/ppc64le defconfig.
cheers
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev
^ permalink raw reply
* Re: linux-next: please clean up the livepatching tree
From: Stephen Rothwell @ 2016-08-03 1:23 UTC (permalink / raw)
To: Jiri Kosina; +Cc: linux-next, linux-kernel
In-Reply-To: <alpine.LNX.2.00.1608030139230.22028@cbobk.fhfr.pm>
Hi Jiri,
On Wed, 3 Aug 2016 01:41:17 +0200 (CEST) Jiri Kosina <jikos@kernel.org> wrote:
>
> On Wed, 3 Aug 2016, Stephen Rothwell wrote:
>
> > The livepatching tree
> > (git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching#for-next)
> > today consists of only lots of merges
>
> This is a part we keep discussing from time to time, and I still don't
> understand why it bothers you so much. The only reason is to keep the
> branch non-rebasing, because it has downstreams. Code-wise, it's always
> equivalent to what end up being merged, but without the actual superfluous
> merge commits.
The problem from my point of view is that git seems to take more time
to merge the tree into linux-next (I know this isn't much for just one
tree, but I currently have over 200 trees to merge each day). Also,
having all those extra merges complicates the structure of my tree and
presumably makes it harder for git to merge other trees. Its also
possible (I have seen this in other trees) for the merge commits
themselves to generate conflicts with (merge) commits in Linus' and
other trees.
Also, I am not sure why you have a branch that ask Linus to merge
separate from the branch you have me merge?
> > (and a patch that is also reverted).
>
> This of course is a good justification to rebase for-next exceptionally;
> so I've just that.
Thanks.
--
Cheers,
Stephen Rothwell
^ permalink raw reply
* linux-next: please clean up the fscache tree
From: Stephen Rothwell @ 2016-08-03 1:15 UTC (permalink / raw)
To: David Howells; +Cc: linux-next, linux-kernel
Hi David,
The fscache tree
(git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git#fscache)
only contains 2 commits:
b00c2ae2ed3c FS-Cache: Don't override netfs's primary_index if registering failed
3c9b3b74606d FS-Cache: Increase reference of parent after registering, netfs success
which also exist in Linus' tree as other commits (they were merged in
Nov, 2015 via Al Viro).
Please clean this up, or let me know if it is not going to be used any
more and I will delete the tree from linux-next.
--
Cheers,
Stephen Rothwell
^ permalink raw reply
* Re: powerpc allyesconfig / allmodconfig linux-next next-20160729 - next-20160729 build failures
From: Stephen Rothwell @ 2016-08-03 0:23 UTC (permalink / raw)
To: Luis R. Rodriguez
Cc: Guenter Roeck, Benjamin Herrenschmidt, Paul Mackerras,
Michael Ellerman, linuxppc-dev, linux-next, Fengguang Wu,
linux-kernel@vger.kernel.org
In-Reply-To: <20160802220243.GK3296@wotan.suse.de>
Hi Luis,
On Wed, 3 Aug 2016 00:02:43 +0200 "Luis R. Rodriguez" <mcgrof@kernel.org> wrote:
>
> Thanks for the confirmation. For how long is it known this is broken?
> Does anyone care and fix these ? Or is this best effort?
This has been broken for many years :-(
I have a couple of times almost fixed it, but it requires that we
change from using "ld -r" to build the built-in.o objects and some
changes to the powerpc head.S code ... I will give it another shot now
that the merge window is almost over (and linux-next goes into its
quieter time).
--
Cheers,
Stephen Rothwell
^ permalink raw reply
* Re: linux-next: please clean up the livepatching tree
From: Jiri Kosina @ 2016-08-02 23:41 UTC (permalink / raw)
To: Stephen Rothwell; +Cc: linux-next, linux-kernel
In-Reply-To: <20160803093109.1227bfcd@canb.auug.org.au>
Hi Stephen
On Wed, 3 Aug 2016, Stephen Rothwell wrote:
> The livepatching tree
> (git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching#for-next)
> today consists of only lots of merges
This is a part we keep discussing from time to time, and I still don't
understand why it bothers you so much. The only reason is to keep the
branch non-rebasing, because it has downstreams. Code-wise, it's always
equivalent to what end up being merged, but without the actual superfluous
merge commits.
> (and a patch that is also reverted).
This of course is a good justification to rebase for-next exceptionally;
so I've just that.
Thanks,
--
Jiri Kosina
SUSE Labs
^ permalink raw reply
* linux-next: please clean up the livepatching tree
From: Stephen Rothwell @ 2016-08-02 23:31 UTC (permalink / raw)
To: Jiri Kosina; +Cc: linux-next, linux-kernel
Hi Jiri,
The livepatching tree
(git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching#for-next)
today consists of only lots of merges (and a patch that is also reverted).
Please just reset it to somewhere in Linus' tree.
--
Cheers,
Stephen Rothwell
^ permalink raw reply
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