From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: "He, Qing" <qing.he-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: [PATCH] KVM: fix PIC interrupt delivery on different APIC conditions
Date: Mon, 17 Sep 2007 09:22:21 +0200 [thread overview]
Message-ID: <46EE2B2D.7000308@qumranet.com> (raw)
In-Reply-To: <37E52D09333DE2469A03574C88DBF40FA9C236-wq7ZOvIWXbM/UvCtAeCM4rfspsVTdybXVpNB7YpNyf8@public.gmane.org>
He, Qing wrote:
> This patch changes the PIC interrupts delivery. Now it is only deliverd
> to vcpu0 when either condition is met (on vcpu0):
> 1. local APIC is hardware disabled
> 2. LVT0 is unmasked and configured to delivery mode ExtInt
>
> It fixes the 2x faster wall clock on x86_64 and SMP i386 Linux guests
>
>
Applied, thanks.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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prev parent reply other threads:[~2007-09-17 7:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-17 7:16 [PATCH] KVM: fix PIC interrupt delivery on different APIC conditions He, Qing
[not found] ` <37E52D09333DE2469A03574C88DBF40FA9C236-wq7ZOvIWXbM/UvCtAeCM4rfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-09-17 7:22 ` Avi Kivity [this message]
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