linux-kernel - Re: [GIT PULL] SLAB changes for v2.6.39-rc1

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Message-ID: <4D8F09EF.3020002@redhat.com>
Date:	Sun, 27 Mar 2011 11:57:03 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Christoph Lameter <cl@...ux.com>
CC:	Eric Dumazet <eric.dumazet@...il.com>,
	Pekka Enberg <penberg@...nel.org>, Ingo Molnar <mingo@...e.hu>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	tj@...nel.org, npiggin@...nel.dk, rientjes@...gle.com,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [GIT PULL] SLAB changes for v2.6.39-rc1

On 03/24/2011 08:47 PM, Christoph Lameter wrote:
> On Thu, 24 Mar 2011, Eric Dumazet wrote:
>
> >  >  this_cpu_cmpxchg16b_emu:
> >  >          pushf
> >  >          cli
> >  >
> >  >          cmpq %gs:(%rsi), %rax
>
> >  Random guess
> >
> >  Masking interrupts, and accessing vmalloc() based memory for the first
> >  time ?
>
> Hmmm.. Could be. KVM would not really disable interrupts so this may
> explain that the test case works here.

kvm does really disable guest interrupts (it doesn't disable host 
interrupts, but these are invisible to the guest).

-- 
error compiling committee.c: too many arguments to function

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