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From: Joerg Roedel <joro@8bytes.org>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Joerg Roedel <joerg.roedel@amd.com>, Avi Kivity <avi@redhat.com>,
	kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 05/12] KVM: SVM: Add clean-bit for interrupt state
Date: Tue, 7 Dec 2010 09:23:50 +0100	[thread overview]
Message-ID: <20101207082349.GC29502@8bytes.org> (raw)
In-Reply-To: <20101206192924.GB13545@amt.cnet>

On Mon, Dec 06, 2010 at 05:29:24PM -0200, Marcelo Tosatti wrote:
> On Fri, Dec 03, 2010 at 11:45:52AM +0100, Joerg Roedel wrote:
> > This patch implements the clean-bit for all interrupt
> > related state in the vmcb. This corresponds to vmcb offset
> > 0x60-0x67.
> > 
> > Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
> 
> Don't you have to mark dirty on sync_lapic_to_cr8?

In theory yes, but sync_lapic_to_cr8 is called in every vmexit/vmrun
cycle. Thats why I added the interrupt bit to the always-dirty mask. I
left this as a future optimization to only write cr8 to the vmcb when it
actually changes.

	Joerg


  reply	other threads:[~2010-12-07  8:23 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-03 10:45 [PATCH 0/12] KVM: SVM: Add support for VMCB state caching Joerg Roedel
2010-12-03 10:45 ` [PATCH 01/12] KVM: SVM: Add clean-bits infrastructure code Joerg Roedel
2010-12-03 12:15   ` Roedel, Joerg
2010-12-03 10:45 ` [PATCH 02/12] KVM: SVM: Add clean-bit for intercetps, tsc-offset and pause filter count Joerg Roedel
2010-12-03 10:45 ` [PATCH 03/12] KVM: SVM: Add clean-bit for IOPM_BASE and MSRPM_BASE Joerg Roedel
2010-12-03 10:45 ` [PATCH 04/12] KVM: SVM: Add clean-bit for the ASID Joerg Roedel
2010-12-03 10:45 ` [PATCH 05/12] KVM: SVM: Add clean-bit for interrupt state Joerg Roedel
2010-12-06 19:29   ` Marcelo Tosatti
2010-12-07  8:23     ` Joerg Roedel [this message]
2010-12-03 10:45 ` [PATCH 06/12] KVM: SVM: Add clean-bit for NPT state Joerg Roedel
2010-12-03 10:45 ` [PATCH 07/12] KVM: SVM: Add clean-bit for control registers Joerg Roedel
2010-12-03 10:45 ` [PATCH 08/12] KVM: SVM: Add clean-bit for DR6 and DR7 Joerg Roedel
2010-12-03 10:45 ` [PATCH 09/12] KVM: SVM: Add clean-bit for GDT and IDT Joerg Roedel
2010-12-03 10:45 ` [PATCH 10/12] KVM: SVM: Add clean-bit for Segements and CPL Joerg Roedel
2010-12-03 10:45 ` [PATCH 11/12] KVM: SVM: Add clean-bit for CR2 register Joerg Roedel
2010-12-03 10:45 ` [PATCH 12/12] KVM: SVM: Add clean-bit for LBR state Joerg Roedel
2010-12-06 19:49 ` [PATCH 0/12] KVM: SVM: Add support for VMCB state caching Marcelo Tosatti
2010-12-07  8:26   ` Joerg Roedel
2010-12-07  9:50 ` Avi Kivity

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