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From: Paolo Bonzini <pbonzini@redhat.com>
To: "Yang, Sheng" <sheng.yang@intel.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
	Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: x2APIC emulation for HVM guest
Date: Thu, 02 Dec 2010 06:31:09 +0100	[thread overview]
Message-ID: <4CF72F1D.5090107@redhat.com> (raw)
In-Reply-To: <201012021009.36497.sheng.yang@intel.com>

On 12/02/2010 03:09 AM, Yang, Sheng wrote:
> This patch would enable Xen to handle x2APIC MSR accessing of HVM guest, which is
> faster(avoid decoding of MMIO accessing). The credit comes to Gleb Natapov who
> complete the work for KVM.

Compared to Gleb's patch, I think yours is missing support for directed 
EOI in the LAPIC emulation.  Linux doesn't use it, but I think it's easy 
enough that it's better to do it early.

Paolo

  reply	other threads:[~2010-12-02  5:31 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-02  2:09 x2APIC emulation for HVM guest Yang, Sheng
2010-12-02  5:31 ` Paolo Bonzini [this message]
2010-12-02  5:43   ` Yang, Sheng
2010-12-02  5:48     ` Paolo Bonzini
2010-12-02  6:23       ` Yang, Sheng
2010-12-02  6:44         ` Paolo Bonzini
2010-12-02  6:49           ` Yang, Sheng
2010-12-02  7:30             ` Paolo Bonzini
2010-12-07  6:06 ` Sheng Yang

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