Re: mmotm 2014-09-22-16-57 uploaded

[Andrew Morton <akpm@linux-foundation.org>]

On Tue, 23 Sep 2014 12:02:22 -0700 Guenter Roeck <linux@roeck-us.net> wrote:

> On Mon, Sep 22, 2014 at 05:02:56PM -0700, akpm@linux-foundation.org wrote:
> > The mm-of-the-moment snapshot 2014-09-22-16-57 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.
> > 
> Sine I started testing this branch, I figure I might as well share the results.
> 
> Build results:
> 	total: 133 pass: 115 fail: 18
> Failed builds:
> 	alpha:defconfig
> 	alpha:allmodconfig
> 	arm:imx_v6_v7_defconfig
> 	arm:imx_v4_v5_defconfig
> 	i386:allyesconfig
> 	i386:allmodconfig
> 	m68k:allmodconfig
> 	mips:nlm_xlp_defconfig
> 	parisc:a500_defconfig
> 	powerpc:cell_defconfig
> 	powerpc:ppc6xx_defconfig
> 	powerpc:mpc85xx_defconfig
> 	powerpc:mpc85xx_smp_defconfig
> 	tile:tilegx_defconfig
> 
> Qemu test results:
> 	total: 24 pass: 23 fail: 1
> Failed tests:
> 	alpha:alpha_defconfig
> 
> More information is available at http://server.roeck-us.net:8010/builders.
> Note that powerpc failures are counted twice because they are built twice,
> once with binutils 2.23 and once with 2.24.
> 
> The most scary problem (in my opinion) is the failed mips:nlm_xlp_defconfig
> build.  It is caused by 'scsi_netlink : Make SCSI_NETLINK dependent on NET
> instead of selecting NET', which effectively disables CONFIG_NET for around
> 30 configurations (assuming I found them all). The practical impact is that
> the affected configurations won't really work anymore, even if they compile. 

cc'ing Anish Bhatt.

> Guenter
> 
> ---
> Details:
> 
> alpha (including qemu)
> 
> drivers/tty/serial/8250/8250_core.c: In function 'serial8250_ioctl':
> drivers/tty/serial/8250/8250_core.c:2874:7: error: 'TIOCSRS485' undeclared
> 
> arm:imx_v6_v7_defconfig
> arm:imx_v4_v5_defconfig
> 
> drivers/media/platform/coda/coda-bit.c: In function 'coda_fill_bitstream':
> drivers/media/platform/coda/coda-bit.c:231:4: error: implicit declaration of function 'kmalloc'
> drivers/media/platform/coda/coda-bit.c: In function 'coda_alloc_framebuffers':
> drivers/media/platform/coda/coda-bit.c:312:3: error: implicit declaration of function 'kfree'

That's odd - it includes slab.h.  Cc Fabio.

> i386:allyesconfig
> 
> drivers/built-in.o: In function `_scsih_qcmd':
> mpt2sas_scsih.c:(.text+0xf5327d): undefined reference to `__udivdi3'
> mpt2sas_scsih.c:(.text+0xf532b0): undefined reference to `__umoddi3'
>
> i386:allmodconfig
> 
> ERROR: "__udivdi3" [drivers/scsi/mpt2sas/mpt2sas.ko] undefined!
> ERROR: "__umoddi3" [drivers/scsi/mpt2sas/mpt2sas.ko] undefined!

Sigh.
 
> m68k:allmodconfig
> 
> drivers/tty/serial/st-asc.c: In function 'asc_in':
> drivers/tty/serial/st-asc.c:154:2: error: implicit declaration of function 'readl_relaxed'
> 
> mips:nlm_xlp_defconfig
> 
> ERROR: "scsi_is_fc_rport" [drivers/scsi/libfc/libfc.ko] undefined!
> ERROR: "fc_get_event_number" [drivers/scsi/libfc/libfc.ko] undefined!
> ERROR: "skb_trim" [drivers/scsi/libfc/libfc.ko] undefined!
> ERROR: "fc_host_post_event" [drivers/scsi/libfc/libfc.ko] undefined!
> 
> [and many more]
> 
> parisc:a500_defconfig
> 
> ERROR: "csum_partial" [drivers/scsi/scsi_debug.ko] undefined!
> 
> powerpc:cell_defconfig
> powerpc:mpc85xx_defconfig
> powerpc:mpc85xx_smp_defconfig
> 
> arch/powerpc/mm/hugetlbpage.c:710:1: error: conflicting types for 'follow_huge_pud'
>  follow_huge_pud(struct mm_struct *mm, unsigned long address,
>   ^
> In file included from arch/powerpc/mm/hugetlbpage.c:14:0: include/linux/hugetlb.h:103:14:
> 	note: previous declaration of 'follow_huge_pud' was here
>    struct page *follow_huge_pud(struct mm_struct *mm, unsigned long address,
                 ^

Naoya, please check:

--- a/arch/powerpc/mm/hugetlbpage.c~mm-hugetlb-reduce-arch-dependent-code-around-follow_huge_-fix
+++ a/arch/powerpc/mm/hugetlbpage.c
@@ -708,7 +708,7 @@ follow_huge_pmd(struct mm_struct *mm, un
 
 struct page *
 follow_huge_pud(struct mm_struct *mm, unsigned long address,
-		pmd_t *pmd, int write)
+		pud_t *pud, int write)
 {
 	BUG();
 	return NULL;
_

> powerpc:ppc6xx_defconfig
> 
> In file included from include/linux/kernel.h:13:0, from mm/debug.c:8:
> mm/debug.c: In function 'dump_mm':
> mm/debug.c:212:5: error: 'const struct mm_struct' has no member named 'owner'

I fixed that.

> tile:tilegx_defconfig
> 
> mm/debug.c: In function 'dump_mm':
> mm/debug.c:169:2: error: expected ')' before 'mm'

Don't have a clue.  In my tree that's

	pr_emerg("mm %p mmap %p seqnum %d task_size %lu\n"

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