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SubjectRe: [PATCH 20/25] x86/mcheck: Be prepared for a rollback back to the ONLINE state
On 2016-11-07 11:32:19 [+0100], Borislav Petkov wrote:
> On Thu, Nov 03, 2016 at 03:50:16PM +0100, Sebastian Andrzej Siewior wrote:
> > If we try a CPU down and fail in the middle then we roll back to the
> > online state. This means we would perform CPU_ONLINE()
> > without invoking CPU_DEAD() for the cleanup of what was allocated in
>
> Are CPU_ONLINE() and CPU_DEAD() functions? Those are the states, right?

those are states. I meant here the driver specific function invoked in
those states.

> > index 55cd018bc1ae..3e529fd747f8 100644
> > --- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
> > +++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
> > @@ -1097,6 +1097,9 @@ static int threshold_create_device(unsigned int cpu)
> > struct threshold_bank **bp;
> > int err = 0;
> >
> > + bp = per_cpu(threshold_banks, cpu);
> > + if (bp)
> > + return 0;
>
> <--- newline here.

okay.

Sebastian

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