Messages in this thread | | | Date | Sat, 13 Aug 2005 10:56:40 +1000 | From | Nick Piggin <> | Subject | Re: [PATCH] eliminte NMI entry/ exit code |
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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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