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SubjectRe: [PATCH -tip 2/2 resend] x86, traps: Drop nmi_reason_lock until it is really needed
On Wed, Mar 02, 2011 at 10:14:08PM +0300, Cyrill Gorcunov wrote:
> >
> > Now this spinlock doesn't affect them, because they registered an nmi
> > handler to catch it and dump their stack (I modified the code to use
> > DIE_NMIUNKNOWN instead of DIE_NMI to avoid conflict with the
> > nmi_watchdog). But I don't know what the affect is, if that spinlock is
> > not there (I sent a private email to SGI inquiring, their guy wasn't
> > around this week).
>
> Don, do you know -- was new nmi-watchdog system tested with UV machine
> somewhere?

They are testing it now, I am working through the issues with them.

Cheers,
Don


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