From: Ingo Molnar <mingo@elte.hu>
To: Avi Kivity <avi@redhat.com>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>,
"H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Suresh Siddha <suresh.b.siddha@intel.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [patch 0/2] x2apic optimization, round 4
Date: Sun, 1 May 2011 18:46:35 +0200 [thread overview]
Message-ID: <20110501164635.GA21833@elte.hu> (raw)
In-Reply-To: <4DBC6DC1.30900@redhat.com>
* Avi Kivity <avi@redhat.com> wrote:
> On 04/30/2011 08:14 PM, Cyrill Gorcunov wrote:
> > Hi Ingo, here is an updated series of two patches for
> >x2apic cluster mode ipi optimization. Please take a
> >look.
> >
> > The only concern which was unresolved is a messy bit
> >in default_setup_apic_routing(), so we've added a FIXME
> >there and clean it up as only time permits. Actually I
> >have a plan to merge probe_32/64.c into single file (and
> >even started working on this task) but not yes succeed.
> >
> > Anyway I think patches should be in a good shape now and
> >probably we could merge them to not lose?
> >
> > Comments are welcome.
>
> Very nice! This will also significantly speed up kvm guests using x2apic.
Ok. It would be nice to know on what systems these patches were tested, i.e. i
suppose x2apic-enabled ones?
Thanks,
Ingo
next prev parent reply other threads:[~2011-05-01 16:46 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-30 17:14 [patch 0/2] x2apic optimization, round 4 Cyrill Gorcunov
2011-04-30 17:15 ` [patch 1/2] x86, x2apic: minimize IPI register writes using cluster groups v4 Cyrill Gorcunov
2011-05-01 17:18 ` Ingo Molnar
2011-04-30 17:15 ` [patch 2/2] x86, x2apic: Move the common bits of physical and cluster modes to x2apic.h v4 Cyrill Gorcunov
2011-04-30 20:14 ` [patch 0/2] x2apic optimization, round 4 Avi Kivity
2011-04-30 20:33 ` Cyrill Gorcunov
2011-05-01 16:46 ` Ingo Molnar [this message]
2011-05-01 17:11 ` Cyrill Gorcunov
2011-05-02 5:39 ` Gleb Natapov
2011-05-02 5:51 ` Cyrill Gorcunov
2011-05-02 7:09 ` Cyrill Gorcunov
2011-05-02 7:45 ` Gleb Natapov
2011-05-02 7:52 ` Cyrill Gorcunov
2011-05-02 8:04 ` Gleb Natapov
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