Il 29/07/2012 22:40, Michael S. Tsirkin ha scritto:
Did you set the affinity manually in your experiments, or perhaps there
is a difference between scsi and networking... (interrupt mitigation?)
You need to run irqbalancer in guest to make it actually work. Do you?
Yes, of course, now on
Il 30/07/2012 06:43, Asias He ha scritto:
Yes. Something like this:
qemu -drive file=foo.img,cache=writeback/unsafe
is not safe against power losses also?
cache=writeback and cache=none are safe, cache=unsafe isn't.
I think we can add REQ_FLUSH REQ_FUA support to bio path and that
On 07/29/2012 11:44 AM, Michael S. Tsirkin wrote:
On Sat, Jul 21, 2012 at 02:02:58PM +0200, Sasha Levin wrote:
On 07/20/2012 03:40 PM, Michael S. Tsirkin wrote:
- err = init_vqs(vi);
+ if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ))
+ vi-has_cvq = true;
+
How about we disable
On Mon, Jul 30, 2012 at 09:31:06AM +0200, Paolo Bonzini wrote:
You only need to add REQ_FLUSH support. The virtio-blk protocol does
not support REQ_FUA, because there's no easy way to do it in userspace.
A bio-based driver needs to handle both REQ_FLUSH and REQ_FUA as it does
not get the
On Mon, Jul 30, 2012 at 12:43:12PM +0800, Asias He wrote:
I think we can add REQ_FLUSH REQ_FUA support to bio path and that
deserves another patch.
Adding it is a requirement for merging the code.
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