Hi,
On Wednesday, 27 of April 2005 15:54, Andi Kleen wrote:
>
> Does this patch fix the problem?
Yes, it does, apparently (ie I'm unable to reproduce it). :-)
> Initialize workmask correct on interrupt signal handling
>
> Readd missing clis in the interrupt return path.
>
> Signed-off-by: Andi Kleen <[email protected]>
>
>
>
> diff -u linux-2.6.12rc3/arch/x86_64/kernel/entry.S-o linux-2.6.12rc3/arch/x86_64/kernel/entry.S
> --- linux-2.6.12rc3/arch/x86_64/kernel/entry.S-o 2005-04-22 12:48:11.000000000 +0200
> +++ linux-2.6.12rc3/arch/x86_64/kernel/entry.S 2005-04-27 15:52:49.305183345 +0200
> @@ -296,6 +296,7 @@
> call syscall_trace_leave
> popq %rdi
> andl $~(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP),%edi
> + cli
> jmp int_restore_rest
>
> int_signal:
> @@ -307,6 +308,7 @@
> 1: movl $_TIF_NEED_RESCHED,%edi
> int_restore_rest:
> RESTORE_REST
> + cli
> jmp int_with_check
> CFI_ENDPROC
>
> @@ -490,7 +492,8 @@
> call do_notify_resume
> RESTORE_REST
> cli
> - GET_THREAD_INFO(%rcx)
> + GET_THREAD_INFO(%rcx)
> + movl $_TIF_WORK_MASK,%edi
> jmp retint_check
>
> #ifdef CONFIG_PREEMPT
I assume that the Alexander's patch is not needed with this one?
Greets,
Rafael
--
- Would you tell me, please, which way I ought to go from here?
- That depends a good deal on where you want to get to.
-- Lewis Carroll "Alice's Adventures in Wonderland"
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