From: Kevin Wolf <kwolf@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>, qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [PATCH v3] virtio-pci: Disable virtio-ioeventfd when !CONFIG_IOTHREAD
Date: Wed, 26 Jan 2011 11:19:04 +0100 [thread overview]
Message-ID: <4D3FF518.7020202@redhat.com> (raw)
In-Reply-To: <20110125174248.GA17734@redhat.com>
Am 25.01.2011 18:42, schrieb Michael S. Tsirkin:
> On Tue, Jan 25, 2011 at 04:17:14PM +0000, Stefan Hajnoczi wrote:
>> It is not possible to use virtio-ioeventfd when building without an I/O
>> thread. We rely on a signal to kick us out of vcpu execution. Timers
>> and AIO use SIGALRM and SIGUSR2 respectively. Unfortunately eventfd
>> does not support O_ASYNC (SIGIO) so eventfd cannot be used in a signal
>> driven manner.
>>
>> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
>
> Acked-by: Michael S. Tsirkin <mst@redhat.com>
I guess this means that it should go through my tree? I applied it to
the block branch now.
Kevin
prev parent reply other threads:[~2011-01-26 10:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-25 16:17 [Qemu-devel] [PATCH v3] virtio-pci: Disable virtio-ioeventfd when !CONFIG_IOTHREAD Stefan Hajnoczi
2011-01-25 17:42 ` [Qemu-devel] " Michael S. Tsirkin
2011-01-26 10:19 ` Kevin Wolf [this message]
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