linux-kernel - Re: [KVM PATCH v2 2/2] kvm: add support for irqfd via eventfd-notification interface

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Message-ID: <49F6E3B2.5010306@redhat.com>
Date:	Tue, 28 Apr 2009 14:08:34 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Gregory Haskins <ghaskins@...ell.com>
CC:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
	davidel@...ilserver.org
Subject: Re: [KVM PATCH v2 2/2] kvm: add support for irqfd via	eventfd-notification
 interface

Avi Kivity wrote:
>>
>> So what is your proposal for such interface?
>>
>>   
>
> ->write().
>

Alternatively, a new fileop ->signal_event(), which would map to 
eventfd_signal() or irqfd_signal().  This would be defined to work in 
irq contexts.  It may also be useful for uio interrupts.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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