linux-kernel - Re: [PATCH] kvm: only allow one gsi per fd

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Message-ID: <20100120113641.GB9610@redhat.com>
Date:	Wed, 20 Jan 2010 13:36:41 +0200
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	Avi Kivity <avi@...hat.com>
Cc:	Marcelo Tosatti <mtosatti@...hat.com>,
	Gregory Haskins <ghaskins@...ell.com>,
	Gleb Natapov <gleb@...hat.com>, Julia Lawall <julia@...u.dk>,
	kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kvm: only allow one gsi per fd

On Sun, Jan 17, 2010 at 02:40:13PM +0200, Avi Kivity wrote:
> 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.

I'm guessing we need this for 2.6.32 stable and 2.6.33 as well?

> -- 
> error compiling committee.c: too many arguments to function
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