* Re: [patch V3 10/37] ARM: highmem: Switch to generic kmap atomic [not found] ` <20201103095857.582196476@linutronix.de> @ 2020-11-12 8:10 ` Marek Szyprowski 2020-11-12 11:03 ` Thomas Gleixner 2020-11-12 11:07 ` Sebastian Andrzej Siewior 0 siblings, 2 replies; 3+ messages in thread From: Marek Szyprowski @ 2020-11-12 8:10 UTC (permalink / raw) To: Thomas Gleixner, LKML Cc: linux-aio, Peter Zijlstra, nouveau, Sebastian Andrzej Siewior, dri-devel, virtualization, linux-mm, Huang Rui, sparclinux, Ingo Molnar, Paul McKenney, x86, Russell King, linux-csky, Christoph Hellwig, Mel Gorman, Dave Airlie, linux-snps-arc, linux-xtensa, Arnd Bergmann, Bartlomiej Zolnierkiewicz, Steven Rostedt, Linus Torvalds, Alexander Viro, spice-devel, linux-arm-kernel, linux-mips, David S. Miller, linux-fsdevel, Andrew Morton, linuxppc-dev, Christian Koenig, linux-btrfs Hi Thomas, On 03.11.2020 10:27, Thomas Gleixner wrote: > No reason having the same code in every architecture. > > Signed-off-by: Thomas Gleixner <tglx@linutronix.de> > Cc: Russell King <linux@armlinux.org.uk> > Cc: Arnd Bergmann <arnd@arndb.de> > Cc: linux-arm-kernel@lists.infradead.org This patch landed in linux-next 20201109 as commit 2a15ba82fa6c ("ARM: highmem: Switch to generic kmap atomic"). However it causes a following warning on my test boards (Samsung Exynos SoC based): Run /sbin/init as init process INIT: version 2.88 booting ------------[ cut here ]------------ WARNING: CPU: 3 PID: 120 at mm/highmem.c:502 kunmap_local_indexed+0x194/0x1d0 Modules linked in: CPU: 3 PID: 120 Comm: init Not tainted 5.10.0-rc2-00010-g2a15ba82fa6c #1924 Hardware name: Samsung Exynos (Flattened Device Tree) [<c0111514>] (unwind_backtrace) from [<c010ceb8>] (show_stack+0x10/0x14) [<c010ceb8>] (show_stack) from [<c0b1b408>] (dump_stack+0xb4/0xd4) [<c0b1b408>] (dump_stack) from [<c0126988>] (__warn+0x98/0x104) [<c0126988>] (__warn) from [<c0126aa4>] (warn_slowpath_fmt+0xb0/0xb8) [<c0126aa4>] (warn_slowpath_fmt) from [<c028e22c>] (kunmap_local_indexed+0x194/0x1d0) [<c028e22c>] (kunmap_local_indexed) from [<c02d37f4>] (remove_arg_zero+0xa0/0x158) [<c02d37f4>] (remove_arg_zero) from [<c034cfc8>] (load_script+0x250/0x318) [<c034cfc8>] (load_script) from [<c02d2f7c>] (bprm_execve+0x3d0/0x930) [<c02d2f7c>] (bprm_execve) from [<c02d3dc8>] (do_execveat_common+0x174/0x184) [<c02d3dc8>] (do_execveat_common) from [<c02d4cec>] (sys_execve+0x30/0x38) [<c02d4cec>] (sys_execve) from [<c0100060>] (ret_fast_syscall+0x0/0x28) Exception stack(0xc4561fa8 to 0xc4561ff0) 1fa0: b6f2bab8 bef7dac4 bef7dac4 bef7d8fc 004b9b58 bef7dac8 1fc0: b6f2bab8 bef7dac4 bef7d8fc 0000000b 004b8000 004bac44 bef7da3c bef7d8dc 1fe0: 0000002f bef7d89c b6d6dc74 b6d6d65c irq event stamp: 1283 hardirqs last enabled at (1293): [<c019f564>] console_unlock+0x430/0x6b0 hardirqs last disabled at (1302): [<c019f55c>] console_unlock+0x428/0x6b0 softirqs last enabled at (1282): [<c0101768>] __do_softirq+0x528/0x674 softirqs last disabled at (1269): [<c012fed4>] irq_exit+0x1dc/0x1e8 ---[ end trace 6f32a2fb4294655f ]--- I can do more tests to help fixing this issue. Just let me know what to do. ... Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [patch V3 10/37] ARM: highmem: Switch to generic kmap atomic 2020-11-12 8:10 ` [patch V3 10/37] ARM: highmem: Switch to generic kmap atomic Marek Szyprowski @ 2020-11-12 11:03 ` Thomas Gleixner 2020-11-12 11:07 ` Sebastian Andrzej Siewior 1 sibling, 0 replies; 3+ messages in thread From: Thomas Gleixner @ 2020-11-12 11:03 UTC (permalink / raw) To: Marek Szyprowski, LKML Cc: linux-aio, Peter Zijlstra, nouveau, Sebastian Andrzej Siewior, dri-devel, virtualization, linux-mm, Huang Rui, sparclinux, Ingo Molnar, Paul McKenney, x86, Russell King, linux-csky, Christoph Hellwig, Mel Gorman, Dave Airlie, linux-snps-arc, linux-xtensa, Arnd Bergmann, Bartlomiej Zolnierkiewicz, Steven Rostedt, Linus Torvalds, Alexander Viro, spice-devel, linux-arm-kernel, linux-mips, David S. Miller, linux-fsdevel, Andrew Morton, linuxppc-dev, Christian Koenig, linux-btrfs Marek, On Thu, Nov 12 2020 at 09:10, Marek Szyprowski wrote: > On 03.11.2020 10:27, Thomas Gleixner wrote: > > I can do more tests to help fixing this issue. Just let me know what to do. Just sent out the fix before I saw your report. https://lore.kernel.org/r/87y2j6n8mj.fsf@nanos.tec.linutronix.de Thanks, tglx _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [patch V3 10/37] ARM: highmem: Switch to generic kmap atomic 2020-11-12 8:10 ` [patch V3 10/37] ARM: highmem: Switch to generic kmap atomic Marek Szyprowski 2020-11-12 11:03 ` Thomas Gleixner @ 2020-11-12 11:07 ` Sebastian Andrzej Siewior 1 sibling, 0 replies; 3+ messages in thread From: Sebastian Andrzej Siewior @ 2020-11-12 11:07 UTC (permalink / raw) To: Marek Szyprowski Cc: linux-aio, Peter Zijlstra, nouveau, dri-devel, virtualization, linux-mm, Huang Rui, sparclinux, Ingo Molnar, Paul McKenney, x86, Russell King, linux-csky, Christoph Hellwig, Mel Gorman, Dave Airlie, linux-snps-arc, linux-xtensa, Arnd Bergmann, Bartlomiej Zolnierkiewicz, Steven Rostedt, linux-mips, Linus Torvalds, Alexander Viro, spice-devel, Thomas Gleixner, linux-arm-kernel, LKML, David S. Miller, linux-fsdevel, Andrew Morton, linuxppc-dev, Christian Koenig, linux-btrfs On 2020-11-12 09:10:34 [+0100], Marek Szyprowski wrote: > I can do more tests to help fixing this issue. Just let me know what to do. -> https://lkml.kernel.org/r/87y2j6n8mj.fsf@nanos.tec.linutronix.de Sebastian _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2020-11-12 11:09 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
[not found] <20201103092712.714480842@linutronix.de>
[not found] ` <CGME20201112081036eucas1p14e135a370d3bccab311727fd2e89f4df@eucas1p1.samsung.com>
[not found] ` <20201103095857.582196476@linutronix.de>
2020-11-12 8:10 ` [patch V3 10/37] ARM: highmem: Switch to generic kmap atomic Marek Szyprowski
2020-11-12 11:03 ` Thomas Gleixner
2020-11-12 11:07 ` Sebastian Andrzej Siewior
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox