From: Avi Kivity <avi@redhat.com>
Subject: Re: [PATCH] kvm: only allow one gsi per fd
Date: Sun, 17 Jan 2010 14:40:13 +0200
Message-ID: <4B53052D.3020905@redhat.com>
References: <20100113165809.GA13334@redhat.com>
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Cc: Marcelo Tosatti <mtosatti@redhat.com>,
	Gregory Haskins <ghaskins@novell.com>,
	Gleb Natapov <gleb@redhat.com>, Julia Lawall <julia@diku.dk>,
	kvm@vger.kernel.org, linux-kernel@vger.kernel.org
To: "Michael S. Tsirkin" <mst@redhat.com>
Return-path: <linux-kernel-owner+glk-linux-kernel-3=40m.gmane.org-S1753801Ab0AQMk3@vger.kernel.org>
In-Reply-To: <20100113165809.GA13334@redhat.com>
Sender: linux-kernel-owner@vger.kernel.org
List-Id: kvm.vger.kernel.org

On 01/13/2010 06:58 PM, Michael S. Tsirkin wrote:
> Looks like repeatedly binding same fd to multiple gsi's with irqfd can
> use up a ton of kernel memory for irqfd structures.
>
> A simple fix is to allow each fd to only trigger one gsi: triggering a
> srorm of interrupts in guest is likely useless anyway, and we can do it
> by binding a single gsi to many interrupts if we really want to.
>    

Applied and queued, thanks.

-- 
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