Re: [KVM PATCH v10] kvm: add support for irqfd

From: Avi Kivity <avi@redhat.com>
To: Gregory Haskins <ghaskins@novell.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	davidel@xmailserver.org, mtosatti@redhat.com
Subject: Re: [KVM PATCH v10] kvm: add support for irqfd
Date: Wed, 20 May 2009 17:35:38 +0300	[thread overview]
Message-ID: <4A14153A.9040703@redhat.com> (raw)
In-Reply-To: <20090520142234.22285.72274.stgit@dev.haskins.net>

Gregory Haskins wrote:
> (Applies to kvm.git/queue:fd2e987d)
>
> KVM provides a complete virtual system environment for guests, including
> support for injecting interrupts modeled after the real exception/interrupt
> facilities present on the native platform (such as the IDT on x86).
> Virtual interrupts can come from a variety of sources (emulated devices,
> pass-through devices, etc) but all must be injected to the guest via
> the KVM infrastructure.  This patch adds a new mechanism to inject a specific
> interrupt to a guest using a decoupled eventfd mechnanism:  Any legal signal
> on the irqfd (using eventfd semantics from either userspace or kernel) will
> translate into an injected interrupt in the guest at the next available
> interrupt window.
>   

Applied, thanks.

-- 
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