linux-kernel - Re: [PATCH v6 04/12] Add memory slot versioning and use it to provide fast guest write interface

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Date:	Thu, 07 Oct 2010 14:31:45 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Gleb Natapov <gleb@...hat.com>
CC:	kvm@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, mingo@...e.hu,
	a.p.zijlstra@...llo.nl, tglx@...utronix.de, hpa@...or.com,
	riel@...hat.com, cl@...ux-foundation.org, mtosatti@...hat.com
Subject: Re: [PATCH v6 04/12] Add memory slot versioning and use it to provide
 fast guest write interface

  On 10/04/2010 05:56 PM, Gleb Natapov wrote:
> Keep track of memslots changes by keeping generation number in memslots
> structure. Provide kvm_write_guest_cached() function that skips
> gfn_to_hva() translation if memslots was not changed since previous
> invocation.

btw, this patch (and patch 5, and perhaps more) can be applied 
independently.  If you like, you can submit them before the patch set is 
complete to reduce your queue length.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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