From: Avi Kivity <avi@redhat.com>
To: Christoph Lameter <cl@linux.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
Pekka Enberg <penberg@kernel.org>, Ingo Molnar <mingo@elte.hu>,
torvalds@linux-foundation.org, akpm@linux-foundation.org,
tj@kernel.org, npiggin@kernel.dk, rientjes@google.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [GIT PULL] SLAB changes for v2.6.39-rc1
Date: Sun, 27 Mar 2011 11:57:03 +0200 [thread overview]
Message-ID: <4D8F09EF.3020002@redhat.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1103241346060.32226@router.home>
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
WARNING: multiple messages have this Message-ID (diff)
From: Avi Kivity <avi@redhat.com>
To: Christoph Lameter <cl@linux.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
Pekka Enberg <penberg@kernel.org>, Ingo Molnar <mingo@elte.hu>,
torvalds@linux-foundation.org, akpm@linux-foundation.org,
tj@kernel.org, npiggin@kernel.dk, rientjes@google.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [GIT PULL] SLAB changes for v2.6.39-rc1
Date: Sun, 27 Mar 2011 11:57:03 +0200 [thread overview]
Message-ID: <4D8F09EF.3020002@redhat.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1103241346060.32226@router.home>
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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next prev parent reply other threads:[~2011-03-27 9:57 UTC|newest]
Thread overview: 134+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-22 14:40 [GIT PULL] SLAB changes for v2.6.39-rc1 Pekka Enberg
2011-03-22 14:40 ` Pekka Enberg
2011-03-24 14:21 ` Ingo Molnar
2011-03-24 14:41 ` Christoph Lameter
2011-03-24 16:50 ` Pekka Enberg
2011-03-24 17:26 ` Ingo Molnar
2011-03-24 17:26 ` Ingo Molnar
2011-03-24 17:43 ` Christoph Lameter
2011-03-24 17:43 ` Christoph Lameter
2011-03-24 17:56 ` Pekka Enberg
2011-03-24 17:56 ` Pekka Enberg
2011-03-24 18:01 ` Christoph Lameter
2011-03-24 18:01 ` Christoph Lameter
2011-03-24 18:06 ` Pekka Enberg
2011-03-24 18:06 ` Pekka Enberg
2011-03-24 18:15 ` Christoph Lameter
2011-03-24 18:15 ` Christoph Lameter
2011-03-24 18:20 ` Eric Dumazet
2011-03-24 18:20 ` Eric Dumazet
2011-03-24 18:47 ` Christoph Lameter
2011-03-24 18:47 ` Christoph Lameter
2011-03-24 18:51 ` Eric Dumazet
2011-03-24 18:51 ` Eric Dumazet
2011-03-24 19:02 ` Christoph Lameter
2011-03-24 19:04 ` Pekka Enberg
2011-03-24 19:04 ` Pekka Enberg
2011-03-24 18:55 ` Pekka Enberg
2011-03-24 18:55 ` Pekka Enberg
2011-03-24 18:59 ` Ingo Molnar
2011-03-24 18:59 ` Ingo Molnar
2011-03-24 19:03 ` Pekka Enberg
2011-03-24 19:03 ` Pekka Enberg
2011-03-24 19:05 ` Christoph Lameter
2011-03-24 19:05 ` Christoph Lameter
2011-03-24 19:14 ` Pekka Enberg
2011-03-24 19:14 ` Pekka Enberg
2011-03-24 19:36 ` Ingo Molnar
2011-03-24 19:36 ` Ingo Molnar
2011-03-24 19:41 ` Pekka Enberg
2011-03-24 19:41 ` Pekka Enberg
2011-03-24 19:51 ` Christoph Lameter
2011-03-24 19:51 ` Christoph Lameter
2011-03-24 20:01 ` Ingo Molnar
2011-03-24 20:01 ` Ingo Molnar
2011-03-24 20:08 ` Eric Dumazet
2011-03-24 20:08 ` Eric Dumazet
2011-03-24 20:43 ` Christoph Lameter
2011-03-24 20:43 ` Christoph Lameter
2011-03-25 15:13 ` Tejun Heo
2011-03-25 15:13 ` Tejun Heo
2011-03-25 15:45 ` Christoph Lameter
2011-03-25 15:45 ` Christoph Lameter
2011-03-27 9:59 ` Avi Kivity
2011-03-27 9:59 ` Avi Kivity
2011-03-24 19:02 ` Christoph Lameter
2011-03-24 19:02 ` Christoph Lameter
2011-03-27 9:57 ` Avi Kivity [this message]
2011-03-27 9:57 ` Avi Kivity
2011-03-24 18:13 ` Pekka Enberg
2011-03-24 18:13 ` Pekka Enberg
2011-03-24 19:27 ` Ingo Molnar
2011-03-24 19:27 ` Ingo Molnar
2011-03-24 19:29 ` Pekka Enberg
2011-03-24 19:29 ` Pekka Enberg
2011-03-24 18:52 ` [boot crash #2] " Ingo Molnar
2011-03-24 18:52 ` Ingo Molnar
2011-03-24 19:10 ` Thomas Gleixner
2011-03-24 19:10 ` Thomas Gleixner
2011-03-24 19:22 ` Ingo Molnar
2011-03-24 19:22 ` Ingo Molnar
2011-03-24 19:27 ` Pekka Enberg
2011-03-24 19:27 ` Pekka Enberg
2011-03-25 20:00 ` Ingo Molnar
2011-03-25 20:00 ` Ingo Molnar
2011-03-26 11:27 ` Ingo Molnar
2011-03-26 11:47 ` [PATCH] slub: Disable the lockless allocator Ingo Molnar
2011-03-26 11:47 ` Ingo Molnar
2011-03-26 17:45 ` Eric Dumazet
2011-03-26 17:45 ` Eric Dumazet
2011-03-26 19:18 ` Christoph Lameter
2011-03-26 19:18 ` Christoph Lameter
2011-03-26 19:30 ` Christoph Lameter
2011-03-26 19:30 ` Christoph Lameter
2011-03-26 19:49 ` Christoph Lameter
2011-03-26 19:49 ` Christoph Lameter
2011-03-26 19:57 ` Ingo Molnar
2011-03-26 19:57 ` Ingo Molnar
2011-03-26 21:36 ` Christoph Lameter
2011-03-26 21:36 ` Christoph Lameter
2011-03-26 20:00 ` Ingo Molnar
2011-03-26 20:00 ` Ingo Molnar
2011-03-26 22:18 ` Linus Torvalds
2011-03-27 1:29 ` Christoph Lameter
2011-03-27 1:57 ` Christoph Lameter
2011-03-27 7:52 ` Eric Dumazet
2011-03-27 7:52 ` Eric Dumazet
2011-03-28 10:32 ` [PATCH] percpu: avoid extra NOP in percpu_cmpxchg16b_double Eric Dumazet
2011-03-28 10:32 ` Eric Dumazet
2011-03-28 13:46 ` Christoph Lameter
2011-03-28 13:46 ` Christoph Lameter
2011-03-28 16:06 ` Tejun Heo
2011-03-28 16:06 ` Tejun Heo
2011-03-28 6:12 ` [PATCH] slub: Disable the lockless allocator Pekka Enberg
2011-03-28 6:12 ` Pekka Enberg
2011-03-28 6:19 ` Ingo Molnar
2011-03-28 6:19 ` Ingo Molnar
2011-03-28 6:25 ` Pekka Enberg
2011-03-28 6:25 ` Pekka Enberg
2011-03-28 6:36 ` Ingo Molnar
2011-03-28 6:36 ` Ingo Molnar
2011-03-28 7:26 ` Eric Dumazet
2011-03-28 7:26 ` Eric Dumazet
2011-03-28 13:44 ` Christoph Lameter
2011-03-28 13:44 ` Christoph Lameter
2011-03-28 7:35 ` Tejun Heo
2011-03-28 7:35 ` Tejun Heo
2011-03-26 19:30 ` Linus Torvalds
2011-03-26 19:30 ` Linus Torvalds
2011-03-26 17:58 ` [boot crash #2] Re: [GIT PULL] SLAB changes for v2.6.39-rc1 Linus Torvalds
2011-03-26 17:58 ` Linus Torvalds
2011-03-24 19:16 ` Call Trace:Re: " Thomas Gleixner
2011-03-24 19:16 ` Thomas Gleixner
2011-03-24 19:23 ` Ingo Molnar
2011-03-24 19:23 ` Ingo Molnar
2011-03-24 20:04 ` Gustavo F. Padovan
2011-03-24 20:04 ` Gustavo F. Padovan
2011-03-24 16:03 ` Ingo Molnar
2011-03-24 16:03 ` Ingo Molnar
2011-03-24 16:14 ` Ingo Molnar
2011-03-24 16:14 ` Ingo Molnar
2011-03-24 17:07 ` Pekka Enberg
2011-03-24 17:07 ` Pekka Enberg
2011-03-24 17:21 ` Ingo Molnar
2011-03-24 17:21 ` Ingo Molnar
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