From: Anthony Liguori <anthony@codemonkey.ws>
To: Avi Kivity <avi@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
Anthony Liguori <aliguori@us.ibm.com>,
Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>,
Jan Kiszka <jan.kiszka@siemens.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH] Use qemu_eventfd for POSIX AIO
Date: Tue, 27 Sep 2011 09:57:53 -0500 [thread overview]
Message-ID: <4E81E471.50405@codemonkey.ws> (raw)
In-Reply-To: <4E81E398.7010608@redhat.com>
On 09/27/2011 09:54 AM, Avi Kivity wrote:
> On 09/27/2011 05:50 PM, Jan Kiszka wrote:
>> On 2011-09-27 16:48, Avi Kivity wrote:
>> > On 09/27/2011 05:45 PM, Jan Kiszka wrote:
>> >> I don't disagree that there is still room for improving the existing
>> >> interface, generalizing to qemu_event. But that's not in the scope of
>> >> this patch.
>> >>
>> >
>> > Why not use event_notify.c?
>>
>> It doesn't solve the wrapping issue, it mandates eventfd support.
>>
>
> We can add pipe fallbacks too (though if it was meant to use with vhost, that's
> not what we want).
vhost cannot exist on a kernel that doesn't support eventfd so I don't think we
need to worry about it.
Regards,
Anthony Liguori
>
next prev parent reply other threads:[~2011-09-27 14:58 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-20 16:49 [PATCH] qemu-kvm: Switch POSIX compat AIO implementation to upstream Jan Kiszka
2011-09-21 8:06 ` Stefan Hajnoczi
2011-09-26 17:23 ` Jan Kiszka
2011-09-26 17:24 ` Avi Kivity
2011-09-26 18:09 ` Anthony Liguori
2011-09-27 9:00 ` Avi Kivity
2011-09-27 13:56 ` [Qemu-devel] [PATCH] Use qemu_eventfd for POSIX AIO Jan Kiszka
2011-09-27 14:07 ` Anthony Liguori
2011-09-27 14:11 ` Avi Kivity
2011-09-27 14:19 ` Anthony Liguori
2011-09-27 14:22 ` Avi Kivity
2011-09-27 14:22 ` Jan Kiszka
2011-09-27 14:38 ` Anthony Liguori
2011-09-27 14:29 ` Jan Kiszka
2011-09-27 14:34 ` Avi Kivity
2011-09-27 14:36 ` Jan Kiszka
2011-09-27 14:42 ` Avi Kivity
2011-09-27 14:45 ` Jan Kiszka
2011-09-27 14:48 ` Avi Kivity
2011-09-27 14:50 ` Jan Kiszka
2011-09-27 14:54 ` Avi Kivity
2011-09-27 14:57 ` Anthony Liguori [this message]
2011-09-27 14:59 ` Jan Kiszka
2011-09-27 14:36 ` Anthony Liguori
2011-09-27 14:41 ` Paolo Bonzini
2011-09-21 8:16 ` [PATCH] qemu-kvm: Switch POSIX compat AIO implementation to upstream Kevin Wolf
2011-09-26 16:56 ` Avi Kivity
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