From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH] x86: hold mm->page_table_lock while doing
	vmalloc_sync
Date: Thu, 21 Oct 2010 14:26:30 -0700
Message-ID: <4CC0B006.7040008@zytor.com>
References: <4CB76E8B.2090309@goop.org> <4CC0AB73.8060609@goop.org>
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To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: "Xen-devel@lists.xensource.com" <Xen-devel@lists.xensource.com>, the arch/x86 maintainers <x86@kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Jan Beulich <JBeulich@novell.com>, Ian Campbell <Ian.Campbell@citrix.com>
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On 10/21/2010 02:06 PM, Jeremy Fitzhardinge wrote:
>  Ping?  Have you had any thoughts about possible x86-64 problems with this?
> 
> Thanks,
>     J

I didn't find any, so I already committed your patch to tip:x86/mm two
days ago.

Now, it's worth noting that Linus has asked us to get rid of
vmalloc_sync_all() completely, which would be a good thing in the longer
term.

	-hpa