linux-kernel - Re: [patch 3/9] Guest page hinting: volatile page cache.

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Message-ID: <200609151352_MC3-1-CB54-526A@compuserve.com>
Date:	Fri, 15 Sep 2006 13:50:55 -0400
From:	Chuck Ebbert <76306.1226@...puserve.com>
To:	Martin Schwidefsky <schwidefsky@...ibm.com>
Cc:	Zachary Amsden <zach@...are.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	virtualization <virtualization@...ts.osdl.org>,
	Andrew Morton <akpm@...l.org>,
	Nick Piggin <nickpiggin@...oo.com.au>
Subject: Re: [patch 3/9] Guest page hinting: volatile page cache.

In-Reply-To: <1158309400.23993.9.camel@...alhost>

On Fri, 15 Sep 2006 10:36:39 +0200, Martin Schwidefsky wrote:

> I wonder which trick you use, since there is only one page table one
> i386 I can only imagine that you are tracking all page tables of the
> guest.

AMD K8 with the SVM feature has host and guest page tables and
address-space identifiers for the guests so their global TLB flushes
can be limited to their own address space...

-- 
Chuck

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