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

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Message-ID: <46A7473E.6010807@qumranet.com>
Date:	Wed, 25 Jul 2007 15:51:10 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	kvm-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	shaohua.li@...el.com, rusty@...tcorp.com.au,
	Andi Kleen <ak@...e.de>
Subject: Re: [PATCH 1/3] SCHED: Generic hooks for trapping task preemption

Ingo Molnar wrote:
> * Avi Kivity <avi@...ranet.com> 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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