On Fri, Oct 09, 2015 at 06:12:44AM -0700, tip-bot for Andy Lutomirski wrote:
> Commit-ID: 150ac78d63afb96360dab448b7b4d33c98c8266c
> Gitweb: http://git.kernel.org/tip/150ac78d63afb96360dab448b7b4d33c98c8266c
> Author: Andy Lutomirski <luto@xxxxxxxxxx>
> AuthorDate: Mon, 5 Oct 2015 17:48:14 -0700
> Committer: Ingo Molnar <mingo@xxxxxxxxxx>
> CommitDate: Fri, 9 Oct 2015 09:41:10 +0200
>
> x86/entry/32: Switch INT80 to the new C syscall path
>
> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
> Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
> Cc: Borislav Petkov <bp@xxxxxxxxx>
> Cc: Brian Gerst <brgerst@xxxxxxxxx>
> Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
> Cc: H. Peter Anvin <hpa@xxxxxxxxx>
> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Link: http://lkml.kernel.org/r/a7e8d8df96838eae3208dd0441023f3ce7a81831.1444091585.git.luto@xxxxxxxxxx
> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
> ---
> arch/x86/entry/entry_32.S | 34 +++++++++++++---------------------
> 1 file changed, 13 insertions(+), 21 deletions(-)
Just triggered this here on rc5+tip/master, 32-bit. Any ideas?
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1 at /mnt/kernel/kernel/linux-2.6/kernel/locking/lockdep.c:2639 trace_hardirqs_off_caller+0xef/0x150()
DEBUG_LOCKS_WARN_ON(!irqs_disabled())
Modules linked in:
CPU: 1 PID: 1 Comm: init Tainted: G W 4.3.0-rc5+ #1
Hardware name: LENOVO 30515QG/30515QG, BIOS 8RET30WW (1.12 ) 09/15/2011
00000000 00000000 f44fbf34 c1301072 f44fbf74 f44fbf64 c105658d c1819094
f44fbf90 00000001 c181f838 00000a4f c10a284f c10a284f f4520000 c1662048
00000009 f44fbf7c c10565f3 00000009 f44fbf74 c1819094 f44fbf90 f44fbf9c
Call Trace:
[<c1301072>] dump_stack+0x4b/0x79
[<c105658d>] warn_slowpath_common+0x8d/0xc0
[<c10a284f>] ? trace_hardirqs_off_caller+0xef/0x150
[<c10a284f>] ? trace_hardirqs_off_caller+0xef/0x150
[<c1662048>] ? entry_INT80_32+0x28/0x2f
[<c10565f3>] warn_slowpath_fmt+0x33/0x40
[<c10a284f>] trace_hardirqs_off_caller+0xef/0x150
[<c1000f1c>] trace_hardirqs_off_thunk+0xc/0x10
[<c1662048>] ? entry_INT80_32+0x28/0x2f
---[ end trace dd0b2c83c5d36016 ]---
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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