Re: [PATCH 1/3] SCHED: Generic hooks for trapping task preemption

From: Avi Kivity
Date: Wed Jul 25 2007 - 08:51:23 EST


Ingo Molnar wrote:
> * Avi Kivity <avi@xxxxxxxxxxxx> wrote:
>
>
>> This adds a general mechanism whereby a task can request the scheduler
>> to notify it whenever it is preempted or scheduled back in. This
>> allows the task to swap any special-purpose registers like the fpu or
>> Intel's VT registers.
>>
>
> ok, this looks very clean, i've added it to my scheduler tree. You've
> tested this with KVM, on both 32-bit and 64-bit, correct?
>
>

The previous iteration. I'll do a run now to make sure it hasn't regressed.

Note that only the first patch will apply to -linus. The others depend
on a small change that isn't there.


--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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