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From: Sheng Yang <sheng@linux.intel.com>
To: kvm@vger.kernel.org
Cc: Gleb Natapov <gleb@redhat.com>
Subject: Re: [PATCH 0/1] x2apic implementation for kvm
Date: Mon, 25 May 2009 14:08:26 +0800	[thread overview]
Message-ID: <200905251408.26870.sheng@linux.intel.com> (raw)
In-Reply-To: <1242927475-6140-1-git-send-email-gleb@redhat.com>

On Friday 22 May 2009 01:37:53 Gleb Natapov wrote:
> This is implementation of x2apic for KVM that I wrote a while ago.
> Unfortunately there is no guest that can take advantage of it since
> Linux doesn't (yet?) use x2apic if interrupt remapping is not enabled
> and I don't feel like implement interrupt remapping device :)
>
> Re-based to latest kvm tree for your viewing pleasure and feedback.

Yeah... x2apic is for interrupt remapping, and interrupt remapping is for VT-d 
engine. So if we don't want to virtualize VT-d engine and interrupt remapping, 
x2apic is useless for the guest... And VT-d engine(and related things) 
virtualization is far from our scope now...

Thanks...

-- 
regards
Yang, Sheng


  parent reply	other threads:[~2009-05-25  6:07 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-21 17:37 [PATCH 0/1] x2apic implementation for kvm Gleb Natapov
2009-05-21 17:37 ` [PATCH 1/1] x2apic interface to lapic Gleb Natapov
2009-05-31 12:44   ` Avi Kivity
2009-05-21 17:37 ` [PATCH 2/2] Advertise X2APIC support Gleb Natapov
2009-05-24  6:46   ` Dor Laor
2009-05-24  6:48     ` Gleb Natapov
2009-06-08 12:13   ` Avi Kivity
2009-05-25  6:08 ` Sheng Yang [this message]
2009-05-25  6:13   ` [PATCH 0/1] x2apic implementation for kvm Gleb Natapov
2009-05-25  6:30     ` Sheng Yang
2009-05-25  6:38       ` Gleb Natapov
2009-05-25  6:48         ` Sheng Yang
2009-05-25  6:57           ` Gleb Natapov
2009-05-25  9:07           ` Avi Kivity
2009-05-25  9:19             ` Sheng Yang
2009-05-25  9:22               ` Avi Kivity
2009-05-25  9:40                 ` Dong, Eddie
2009-05-25  9:50                   ` Avi Kivity
2009-05-25  9:59                 ` Sheng Yang
2009-05-25 10:49                   ` Avi Kivity

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