linux-kernel - Re: [GIT PULL] First batch of KVM changes for 4.1

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Date:	Fri, 17 Apr 2015 11:17:45 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
	gleb@...nel.org, kvm@...r.kernel.org,
	Ralf Baechle <ralf@...ux-mips.org>, mtosatti@...hat.com,
	luto@...nel.org
Subject: Re: [GIT PULL] First batch of KVM changes for 4.1

On Fri, Apr 17, 2015 at 10:52:38AM +0200, Peter Zijlstra wrote:
> On Fri, Apr 10, 2015 at 05:01:29PM +0200, Paolo Bonzini wrote:
> >  include/linux/sched.h                              |    8 +
> >  kernel/sched/core.c                                |   15 +
> 
> Can you please not puke over the scheduler without Acks from at least
> one maintainer?
> 
> I complained about this very thing two years ago:
> 
>   http://marc.info/?l=linux-kernel&m=137345253916751
> 
> And now it magically re-appears WTF!

And I really don't understand _why_ you need that extra callback in the
first place. You already have preempt notifiers, just track if you came
in on another cpu than you went out on and voila!
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