Re: [PATCH] eliminte NMI entry/ exit code

[Nick Piggin]

George Anzinger wrote:
> The NMI entry and exit code fiddles with bits in the preempt count.  If 
> an NMI happens while some other code is doing the same, bits will be 
> lost.  This patch removes this modify code from the NMI path till we can 
> come up with something better.

Humour me for a minute here...
NMI restores preempt_count back to its old value upon exit, right?
So what does a race case look like?

Nick

--
SUSE Labs, Novell Inc.

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