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Message-ID: <20100919104550.GA7350@redhat.com>
Date: Sun, 19 Sep 2010 12:45:50 +0200
From: "Michael S. Tsirkin" <mst@...hat.com>
To: Gleb Natapov <gleb@...hat.com>
Cc: Avi Kivity <avi@...hat.com>, Marcelo Tosatti <mtosatti@...hat.com>,
kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC] kvm: enable irq injection from interrupt context
On Fri, Sep 17, 2010 at 09:59:29AM +0200, Gleb Natapov wrote:
> > writing 0 to eventfd does nothing. The way to deassert irq
> That is implementation detail of current irqfd. It was designed for MSI
> not level triggered interrupts.
Maybe we should add a check that gsi is mapped to MSI (or unmapped) then?
Level which switches to 1 and back to 0 immediately will be racy anyway
...
Avi?
--
MST
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