From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with SMTP id 8653E8D0040 for ; Thu, 24 Mar 2011 13:43:29 -0400 (EDT) Date: Thu, 24 Mar 2011 12:43:25 -0500 (CDT) From: Christoph Lameter Subject: Re: [GIT PULL] SLAB changes for v2.6.39-rc1 In-Reply-To: <20110324172653.GA28507@elte.hu> Message-ID: References: <20110324142146.GA11682@elte.hu> <20110324172653.GA28507@elte.hu> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Ingo Molnar Cc: Pekka Enberg , 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, 24 Mar 2011, Ingo Molnar wrote: > > How does alternative_io() work? Does it require > > alternative_instructions() to be executed. If so, the fallback code > > won't be active when we enter kmem_cache_init(). Is there any reason > > check_bugs() is called so late during boot? Can we do something like > > the totally untested attached patch? > > Does the config i sent you boot on your box? I think the bug is pretty generic > and should trigger on any box. The bug should only trigger on old AMD64 boxes that do not support cmpxchg16b. -- 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