Messages in this thread |  | | | Date | Sun, 19 Apr 2009 13:15:50 +0300 | | From | Avi Kivity <> | | Subject | Re: [PATCH] Allow preemption during lazy mmu updates |
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Peter Zijlstra wrote: > On Wed, 2009-04-08 at 16:54 +0200, Ingo Molnar wrote: > >>> kernel/sched.c | 2 - >>> >> Needs the ack of ... oh, never mind - this one is fine i guess ;-) >> > > Ah, about that. This new preemption hook has slightly different > requirements than the current preempt-notifiers have (hence the new > hook), I was wondering if KVM (afaik currently the only preempt-notifier > consumer) could live with these requirements. > > That is, could these be merged? >
What are the slight differences in requirements?
KVM wants to run in non-preemptible, interrupts-enabled context.
-- Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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