Re: [Qemu-devel] [PATCH (resend, rebase) 3/3] virtio-serial: Enable ioeventfd

2011-03-01 Thread Stefan Hajnoczi
On Tue, Mar 1, 2011 at 6:41 AM, Amit Shah wrote: > On (Mon) 28 Feb 2011 [15:28:49], Stefan Hajnoczi wrote: >> On Mon, Feb 28, 2011 at 11:12 AM, Amit Shah wrote: >> > Enable ioeventfd for virtio-serial devices by default.  Commit >> > 25db9ebe15125deb32958c6df74996f745edf1f9 lists the benefits of

Re: [Qemu-devel] [PATCH (resend, rebase) 3/3] virtio-serial: Enable ioeventfd

2011-02-28 Thread Amit Shah
On (Mon) 28 Feb 2011 [15:28:49], Stefan Hajnoczi wrote: > On Mon, Feb 28, 2011 at 11:12 AM, Amit Shah wrote: > > Enable ioeventfd for virtio-serial devices by default.  Commit > > 25db9ebe15125deb32958c6df74996f745edf1f9 lists the benefits of using > > ioeventfd. > > > > Copying a file from guest

Re: [Qemu-devel] [PATCH (resend, rebase) 3/3] virtio-serial: Enable ioeventfd

2011-02-28 Thread Stefan Hajnoczi
On Mon, Feb 28, 2011 at 11:12 AM, Amit Shah 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 i

[Qemu-devel] [PATCH (resend, rebase) 3/3] virtio-serial: Enable ioeventfd

2011-02-28 Thread Amit Shah
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 --- hw/virt