Re: [Xen-devel] xenstored crashes with SIGSEGV

[Oleg Nesterov <oleg@xxxxxxxxxx>]

On 03/12, Philipp Hahn wrote:
>
> Have you seen any other corruption

No,

> or is one of your patches likely to
> fix something like the issue mentioned above:

I am not sure I even understand the problem above ;) I mean, after the quick
look I do not see how this connects to FPU. $rdi == 2 looks obviously wrong.

> > $ git l1 --grep fpu v3.10.. -- arch/x86
> > c7b228a Merge branch 'x86-fpu-for-linus' of 
> > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
> > dc56c0f x86, fpu: Shift "fpu_counter = 0" from copy_thread() to 
> > arch_dup_task_struct()
> > 5e23fee x86, fpu: copy_process: Sanitize fpu->last_cpu initialization
> > f185350 x86, fpu: copy_process: Avoid fpu_alloc/copy if !used_math()
> > 31d9633 x86, fpu: Change __thread_fpu_begin() to use use_eager_fpu()

This is only cleanups... I do not think this series can fix something.

Oleg.


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