From: Avi Kivity <avi@redhat.com>
To: kvm-ia64@vger.kernel.org
Subject: Re: [PATCH] KVM: IA64: enable external interrupt in vmm
Date: Wed, 25 Mar 2009 10:35:44 +0000 [thread overview]
Message-ID: <49CA0900.2040404@redhat.com> (raw)
In-Reply-To: <10C63FAD690C13458F0B32BCED571F140E29AF79@pdsmsx502.ccr.corp.intel.com>
Zhang, Yang wrote:
> From 2cf75eff171ef823b3b17c945504d0233a6bd427 Mon Sep 17 00:00:00 2001
> From: Yang Zhang <yang.zhang@intel.com>
> Date: Mon, 23 Mar 2009 03:31:04 -0400
> Subject: [PATCH] KVM: IA64: enable external interrupt in vmm
>
> In the previous version, the interrupt bit is cleared when in
> the vmm. This patch opens the bit and the externanl interrupt can
> be deal with when in the vmm. It will improve the I/O performance.
>
I'm surprised it doesn't work this way already. What happens now if the
guest disables interrupts and spins?
--
error compiling committee.c: too many arguments to function
WARNING: multiple messages have this Message-ID (diff)
From: Avi Kivity <avi@redhat.com>
To: "Zhang, Yang" <yang.zhang@intel.com>
Cc: "kvm-ia64@vger.kernel.org" <kvm-ia64@vger.kernel.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"Zhang, Xiantao" <xiantao.zhang@intel.com>
Subject: Re: [PATCH] KVM: IA64: enable external interrupt in vmm
Date: Wed, 25 Mar 2009 12:35:44 +0200 [thread overview]
Message-ID: <49CA0900.2040404@redhat.com> (raw)
In-Reply-To: <10C63FAD690C13458F0B32BCED571F140E29AF79@pdsmsx502.ccr.corp.intel.com>
Zhang, Yang wrote:
> From 2cf75eff171ef823b3b17c945504d0233a6bd427 Mon Sep 17 00:00:00 2001
> From: Yang Zhang <yang.zhang@intel.com>
> Date: Mon, 23 Mar 2009 03:31:04 -0400
> Subject: [PATCH] KVM: IA64: enable external interrupt in vmm
>
> In the previous version, the interrupt bit is cleared when in
> the vmm. This patch opens the bit and the externanl interrupt can
> be deal with when in the vmm. It will improve the I/O performance.
>
I'm surprised it doesn't work this way already. What happens now if the
guest disables interrupts and spins?
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2009-03-25 10:35 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-25 10:27 [PATCH] KVM: IA64: enable external interrupt in vmm Zhang, Yang
2009-03-25 10:27 ` Zhang, Yang
2009-03-25 10:35 ` Avi Kivity [this message]
2009-03-25 10:35 ` Avi Kivity
2009-03-25 11:45 ` Zhang, Yang
2009-03-25 11:45 ` Zhang, Yang
2009-03-25 11:54 ` Avi Kivity
2009-03-25 11:54 ` Avi Kivity
2009-03-25 11:57 ` Zhang, Yang
2009-03-25 11:57 ` Zhang, Yang
2009-03-26 8:58 ` Avi Kivity
2009-03-26 8:58 ` Avi Kivity
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