From: Gleb Natapov <gleb@redhat.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: avi@redhat.com, kvm@vger.kernel.org
Subject: Re: [PATCH 2/3] Add HYPER-V apic access MSRs.
Date: Wed, 13 Jan 2010 16:30:07 +0200 [thread overview]
Message-ID: <20100113143007.GA7549@redhat.com> (raw)
In-Reply-To: <4B4DD837.6070102@codemonkey.ws>
On Wed, Jan 13, 2010 at 08:27:03AM -0600, Anthony Liguori wrote:
> On 01/13/2010 07:59 AM, Gleb Natapov wrote:
> >Signed-off-by: Gleb Natapov<gleb@redhat.com>
> >Signed-off-by: Vadim Rozenfeld<vrozenfe@redhat.com>
>
> And perf results from this? Even just a rough idea of how helpful this is?
>
For those changes specifically no, but we already know that x2apic is
very beneficial from performance POV and what HYPER-V defines here is
exactly what makes x2apic improve performance.
--
Gleb.
next prev parent reply other threads:[~2010-01-13 14:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-13 13:59 [PATCH 0/3] Add support for some HYPER-V PV features Gleb Natapov
2010-01-13 13:59 ` [PATCH 1/3] Implement bare minimum of HYPER-V MSRs Gleb Natapov
2010-01-13 14:21 ` Avi Kivity
2010-01-13 14:26 ` Gleb Natapov
2010-01-13 14:28 ` Avi Kivity
2010-01-13 14:31 ` Gleb Natapov
2010-01-13 13:59 ` [PATCH 2/3] Add HYPER-V apic access MSRs Gleb Natapov
2010-01-13 14:27 ` Anthony Liguori
2010-01-13 14:30 ` Gleb Natapov [this message]
2010-01-13 14:27 ` Avi Kivity
2010-01-13 14:40 ` Gleb Natapov
2010-01-13 14:57 ` Avi Kivity
2010-01-13 13:59 ` [PATCH 3/3] Implement NotifyLongSpinWait HYPER-V hypercall Gleb Natapov
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