From: "Michael S. Tsirkin" <mst@redhat.com>
To: Avi Kivity <avi@redhat.com>
Cc: Sasha Levin <levinsasha928@gmail.com>,
kvm@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
Marcelo Tosatti <mtosatti@redhat.com>,
Pekka Enberg <penberg@kernel.org>
Subject: Re: [PATCH] ioeventfd: Introduce KVM_IOEVENTFD_FLAG_PIPE
Date: Mon, 4 Jul 2011 14:45:03 +0300 [thread overview]
Message-ID: <20110704114503.GE11386@redhat.com> (raw)
In-Reply-To: <4E11A1CB.2080709@redhat.com>
On Mon, Jul 04, 2011 at 02:19:39PM +0300, Avi Kivity wrote:
> >Also noting that the fd can be set not to block, or that
> >a signal can interrupt the write. Both cases are not errors.
>
> One thing we can do is return via the normal KVM_EXIT_MMIO method
> and hope userspace knows how to handle this.
Agree. We'll need some way to tell userspace that
write has partially succeeded, presumably, so that
userspace can write out the missing part.
--
MST
next prev parent reply other threads:[~2011-07-04 11:44 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-03 17:04 [PATCH] ioeventfd: Introduce KVM_IOEVENTFD_FLAG_PIPE Sasha Levin
2011-07-03 17:16 ` Avi Kivity
2011-07-03 17:44 ` Sasha Levin
2011-07-03 17:57 ` Pekka Enberg
2011-07-04 10:27 ` Avi Kivity
2011-07-04 10:49 ` Michael S. Tsirkin
2011-07-04 10:57 ` Avi Kivity
2011-07-04 14:38 ` Sasha Levin
2011-07-04 14:45 ` Avi Kivity
2011-07-04 14:52 ` Sasha Levin
2011-07-04 14:59 ` Avi Kivity
2011-07-06 4:37 ` Sasha Levin
2011-07-06 11:30 ` Avi Kivity
2011-07-04 10:32 ` Michael S. Tsirkin
2011-07-04 10:45 ` Avi Kivity
2011-07-04 11:07 ` Michael S. Tsirkin
2011-07-04 11:19 ` Avi Kivity
2011-07-04 11:45 ` Michael S. Tsirkin [this message]
2011-07-04 11:49 ` Avi Kivity
2011-07-04 12:12 ` Michael S. Tsirkin
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