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From: Joerg Roedel <joerg.roedel@amd.com>
To: Avi Kivity <avi@qumranet.com>
Cc: kvm-devel@lists.sourceforge.net
Subject: Re: [PATCH] SVM: do not intercept task switch with NPT
Date: Fri, 11 Apr 2008 14:46:21 +0200	[thread overview]
Message-ID: <20080411124621.GD6453@amd.com> (raw)
In-Reply-To: <47FF5B69.8060700@qumranet.com>

On Fri, Apr 11, 2008 at 03:36:57PM +0300, Avi Kivity wrote:
> Joerg Roedel wrote:
> >When KVM uses NPT there is no reason to intercept task switches. This patch
> >removes the intercept for it in that case.
> >  
> 
> Applied, thanks.  I didn't know task switch and npt were related under svm.

The only reason why task switch is intercepted is the cr3 switch it
involves. But with NPT we don't intercept cr3 switches anymore so we can
disable task switch intercept too.

Joerg

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  reply	other threads:[~2008-04-11 12:46 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-09 14:04 [PATCH] SVM: do not intercept task switch with NPT Joerg Roedel
2008-04-11 12:36 ` Avi Kivity
2008-04-11 12:46   ` Joerg Roedel [this message]
2008-04-11 12:52     ` Avi Kivity

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