From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with ESMTP id 9E99C8D0040 for ; Thu, 24 Mar 2011 14:55:57 -0400 (EDT) Received: by yxt33 with SMTP id 33so181734yxt.14 for ; Thu, 24 Mar 2011 11:55:55 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: <20110324142146.GA11682@elte.hu> <20110324172653.GA28507@elte.hu> <1300990853.3747.189.camel@edumazet-laptop> Date: Thu, 24 Mar 2011 20:55:54 +0200 Message-ID: Subject: Re: [GIT PULL] SLAB changes for v2.6.39-rc1 From: Pekka Enberg Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: Eric Dumazet , Ingo Molnar , 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 On Thu, Mar 24, 2011 at 8:47 PM, Christoph Lameter wrote: > > On Thu, 24 Mar 2011, Eric Dumazet wrote: > >> > this_cpu_cmpxchg16b_emu: >> > =A0 =A0 =A0 =A0 pushf >> > =A0 =A0 =A0 =A0 cli >> > >> > =A0 =A0 =A0 =A0 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. > > Simple fix would be to do a load before the cli I guess. Btw, I tried Ingo's .config and it doesn't boot here so it's somehow .config related. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org