From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrea Arcangeli <andrea@qumranet.com>
Subject: Re: [patch 02/13] KVM: MMU: switch to get_user_pages_fast
Date: Tue, 9 Sep 2008 14:21:38 +0200
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Cc: Marcelo Tosatti <mtosatti@redhat.com>, kvm@vger.kernel.org
To: Avi Kivity <avi@qumranet.com>
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On Sun, Sep 07, 2008 at 11:45:41AM +0300, Avi Kivity wrote:
> Marcelo Tosatti wrote:
>> Avoid mmap_sem / pt lock acquision if the pagetables are present. The
>> improvement for hugepage backed guests is more significant, since pte
>> walk + page grab for such mappings is serialized by mm->page_table_lock.
>>
>> CC: Andrea Arcangeli <andrea@qumranet.com>
>>
>>   
>
> I'd like to apply this.  Andrea, can you verify that mmu notifiers 
> interaction is okay?

Looks great to me. Thanks!