From: Juan Quintela <quintela@redhat.com>
To: Amit Shah <amit.shah@redhat.com>
Cc: qemu list <qemu-devel@nongnu.org>
Subject: [Qemu-devel] Re: [PULL (resend, rebase) 3/5] virtio-serial: Enable ioeventfd
Date: Wed, 23 Mar 2011 13:28:30 +0100 [thread overview]
Message-ID: <m362rac975.fsf@neno.mitica> (raw)
In-Reply-To: <8da38c9cc5b5159dca014253fa79004898fa7a63.1299737220.git.amit.shah@redhat.com> (Amit Shah's message of "Thu, 10 Mar 2011 11:39:17 +0530")
Amit Shah <amit.shah@redhat.com> wrote:
> Enable ioeventfd for virtio-serial devices by default. Commit
> 25db9ebe15125deb32958c6df74996f745edf1f9 lists the benefits of using
> ioeventfd.
>
> Copying a file from guest to host over a virtio-serial channel didn't
> show much difference in time or io_exit rate.
>
> Signed-off-by: Amit Shah <amit.shah@redhat.com>
> ---
> hw/virtio-pci.c | 3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)
Revieved-by: Juan Quintela <quintela@redhat.com>
next prev parent reply other threads:[~2011-03-23 12:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-10 6:09 [Qemu-devel] [PULL (resend, rebase) 0/5] virtio-serial fixes Amit Shah
2011-03-10 6:09 ` [Qemu-devel] [PULL (resend, rebase) 1/5] virtio-serial: Use a struct to pass config information from proxy Amit Shah
2011-03-23 12:22 ` [Qemu-devel] " Juan Quintela
2011-03-10 6:09 ` [Qemu-devel] [PULL (resend, rebase) 2/5] virtio-serial: Disallow generic ports at id 0 Amit Shah
2011-03-10 8:23 ` [Qemu-devel] " Amit Shah
2011-03-23 12:24 ` Juan Quintela
2011-03-10 6:09 ` [Qemu-devel] [PULL (resend, rebase) 3/5] virtio-serial: Enable ioeventfd Amit Shah
2011-03-23 12:28 ` Juan Quintela [this message]
2011-03-10 6:09 ` [Qemu-devel] [PULL (resend, rebase) 4/5] virtio-serial-bus: Simplify handle_output() function Amit Shah
2011-03-23 12:29 ` [Qemu-devel] " Juan Quintela
2011-03-10 6:09 ` [Qemu-devel] [PULL (resend, rebase) 5/5] virtio-serial: Don't clear ->have_data() pointer after unplug Amit Shah
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