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From: "Andi Kleen" <andi@firstfloor.org>
To: "Avi Kivity" <avi@redhat.com>
Cc: "Andi Kleen" <andi@firstfloor.org>,
	"Takuya Yoshikawa" <takuya.yoshikawa@gmail.com>,
	mtosatti@redhat.com, kvm@vger.kernel.org,
	yoshikawa.takuya@oss.ntt.co.jp
Subject: Re: [RFC PATCH 3/3] KVM: MMU: Optimize guest page table walk
Date: Sun, 1 May 2011 22:51:24 +0200	[thread overview]
Message-ID: <85ced800bbafa307cbdf69f1d99d56a4.squirrel@www.firstfloor.org> (raw)
In-Reply-To: <4DBD6107.4050603@redhat.com>


>> Ok it looks like the 32bit kernel only handles 1/2/4. Maybe that
>> was the problem if you ran on 32bit.
>
> I'm happy with a slower copy_from_user() for that particular case.

It wouldn't be hard to fix.

-Andi



      reply	other threads:[~2011-05-01 20:51 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-18 18:32 [PATCH 1/3] KVM: Introduce a helper to check if gfn is in memslot Takuya Yoshikawa
2011-04-18 18:34 ` [PATCH 2/3] KVM: MMU: Introduce a helper to read guest pte Takuya Yoshikawa
2011-04-20  9:07   ` Avi Kivity
2011-04-20  9:35     ` Roedel, Joerg
2011-04-20 10:05       ` Avi Kivity
2011-04-20 11:06         ` Roedel, Joerg
2011-04-20 11:18           ` Avi Kivity
2011-04-20 13:33             ` [PATCH] KVM: MMU: Make cmpxchg_gpte aware of nesting too Roedel, Joerg
2011-04-21  1:02               ` Takuya Yoshikawa
2011-04-21  8:11                 ` Avi Kivity
2011-04-21  1:07             ` [PATCH 2/3] KVM: MMU: Introduce a helper to read guest pte Takuya Yoshikawa
2011-04-18 18:38 ` [RFC PATCH 3/3] KVM: MMU: Optimize guest page table walk Takuya Yoshikawa
2011-04-18 18:52   ` Joerg Roedel
2011-04-19  1:24     ` Takuya Yoshikawa
2011-04-19  6:20       ` Joerg Roedel
2011-04-19  1:42   ` Xiao Guangrong
2011-04-19  3:47     ` Takuya Yoshikawa
2011-04-20  9:09       ` Avi Kivity
2011-04-20  9:02   ` Avi Kivity
2011-04-29  2:46     ` Andi Kleen
2011-04-29  5:38       ` Takuya Yoshikawa
2011-04-29  6:30         ` Takuya Yoshikawa
2011-04-29  6:59         ` Andi Kleen
2011-04-29 13:51           ` Takuya Yoshikawa
2011-04-29 16:05             ` Andi Kleen
2011-05-01 13:32               ` Avi Kivity
2011-05-01 20:51                 ` Andi Kleen [this message]

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