Re: [PATCH 2/2] x86/MCE: Don't call kill_me_now() directly

From: Yazen Ghannam
Date: Tue May 04 2021 - 14:30:07 EST


On Tue, May 04, 2021 at 11:07:34AM -0700, Luck, Tony wrote:
> On Tue, May 04, 2021 at 05:47:12PM +0000, Yazen Ghannam wrote:
...
> > diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
> > index 308fb644b94a..9040d45ed997 100644
> > --- a/arch/x86/kernel/cpu/mce/core.c
> > +++ b/arch/x86/kernel/cpu/mce/core.c
> > @@ -1285,10 +1285,7 @@ static void queue_task_work(struct mce *m, int kill_current_task)
> > current->mce_ripv = !!(m->mcgstatus & MCG_STATUS_RIPV);
> > current->mce_whole_page = whole_page(m);
> >
> > - if (kill_current_task)
> > - current->mce_kill_me.func = kill_me_now;
> > - else
> > - current->mce_kill_me.func = kill_me_maybe;
> > + current->mce_kill_me.func = kill_me_maybe;
> >
> > task_work_add(current, &current->mce_kill_me, TWA_RESUME);
> > }
>
> Could we just get rid of kill_me_now() at the same time? It's only
> one line, and with this change only called in one place (from
> kill_me_maybe()) ... just put the force_sig(SIGBUS); inline?
>

Okay, will do.

Thanks,
Yazen