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[Xen-devel] Re: [PATCH] x86: hold mm->page_table_lock while doing vmallo

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: [Xen-devel] Re: [PATCH] x86: hold mm->page_table_lock while doing vmalloc_sync
From: "H. Peter Anvin" <hpa@xxxxxxxxx>
Date: Thu, 21 Oct 2010 14:26:30 -0700
Cc: "Xen-devel@xxxxxxxxxxxxxxxxxxx" <Xen-devel@xxxxxxxxxxxxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxx>
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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


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