Re: [RFC 0/9] mce recovery for Sandy Bridge server

From: Ingo Molnar
Date: Wed May 25 2011 - 17:48:03 EST



* Tony Luck <tony.luck@xxxxxxxxx> wrote:

> 2011/5/25 Ingo Molnar <mingo@xxxxxxx>:
>
> > Btw., the SIGKILL logic is probably overcomplicated: when it's
> > clear that user-space can not recover why not do a do_exit() and
> > be done with it? As long as it's called from a syscall level
> > codepath and no locks/resources are held do_exit() can be called.
>
> There is no SIGKILL [...]

there is one here:

mm/memory-failure.c::kill_procs_ao()

force_sig(SIGKILL, tk->tsk);

Which can be reached from memory_failure() in certain (justified)
circumstances.

Thanks,

Ingo
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