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From: Martin Schwidefsky <schwidefsky@de.ibm.com>
To: Chuck Ebbert <76306.1226@compuserve.com>
Cc: Zachary Amsden <zach@vmware.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	virtualization <virtualization@lists.osdl.org>,
	Andrew Morton <akpm@osdl.org>,
	Nick Piggin <nickpiggin@yahoo.com.au>
Subject: Re: [patch 3/9] Guest page hinting: volatile page cache.
Date: Mon, 18 Sep 2006 10:08:17 +0200	[thread overview]
Message-ID: <1158566897.5728.2.camel@localhost> (raw)
In-Reply-To: <200609151352_MC3-1-CB54-526A@compuserve.com>

On Fri, 2006-09-15 at 13:50 -0400, Chuck Ebbert 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...

Yeah, I know about the nested page tables on K8. But VMware will not
restrict themselves to K8 only, so they need a clever way to implement
shadow page tables on i386 chips without this feature.

-- 
blue skies,
  Martin.

Martin Schwidefsky
Linux for zSeries Development & Services
IBM Deutschland Entwicklung GmbH

"Reality continues to ruin my life." - Calvin.

  reply	other threads:[~2006-09-18  8:08 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-15 17:50 [patch 3/9] Guest page hinting: volatile page cache Chuck Ebbert
2006-09-18  8:08 ` Martin Schwidefsky [this message]
  -- strict thread matches above, loose matches on Subject: below --
2006-09-01 11:09 Martin Schwidefsky
2006-09-01 14:54 ` Dave Hansen
2006-09-01 15:29   ` Martin Schwidefsky
2006-09-01 15:37     ` Dave Hansen
2006-09-01 14:57 ` Dave Hansen
2006-09-01 15:31   ` Martin Schwidefsky
2006-09-01 15:48     ` Andy Whitcroft
2006-09-01 16:04       ` Martin Schwidefsky
2006-09-01 16:18         ` Dave Hansen
2006-09-01 16:25           ` Martin Schwidefsky
2006-09-01 16:37             ` Dave Hansen
2006-09-01 16:56               ` Martin Schwidefsky
2006-09-01 17:16                 ` Dave Hansen
2006-09-01 17:42                   ` Martin Schwidefsky
2006-09-01 18:03                     ` Dave Hansen
2006-09-01 18:04                       ` Martin Schwidefsky
2006-09-01 18:23                         ` Dave Hansen
2006-09-01 18:31                           ` Martin Schwidefsky
2006-09-01 18:41                             ` Dave Hansen
2006-09-04 11:21                               ` Martin Schwidefsky
2006-09-05 18:27                                 ` Dave Hansen
2006-09-06 10:49                                   ` Martin Schwidefsky
2006-09-01 16:29         ` Dave Hansen
2006-09-01 17:02           ` Martin Schwidefsky
2006-09-01 17:05             ` Dave Hansen
2006-09-13 18:21 ` Zachary Amsden
2006-09-14  8:56   ` Martin Schwidefsky
2006-09-14  9:23     ` Zachary Amsden
2006-09-15  8:36       ` Martin Schwidefsky

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