Re: [Qemu-devel] using MSIX for virtio-blk

2015-07-10 Thread Naredula Janardhana Reddy
Thanks Stefan, It's a small bug in the virtio-blk driver in my kernel. After fixing , It works as expected. Jana On 9 July 2015 at 16:31, Stefan Hajnoczi wrote: > On Tue, Jul 07, 2015 at 10:50:59PM +0530, Naredula Janardhana Reddy wrote: > > How to enable MSIX for virtio-blk, this is to

Re: [Qemu-devel] using MSIX for virtio-blk

2015-07-09 Thread Stefan Hajnoczi
On Tue, Jul 07, 2015 at 10:50:59PM +0530, Naredula Janardhana Reddy wrote: > How to enable MSIX for virtio-blk, this is to avoid extra use of > VIRTIO_PCI_ISR port reads. > This is for qemu 2.3.0 with virtio-blk-pci with x-data-plane is on. I tried the following with QEMU 2.3.0: qemu-system-x8

[Qemu-devel] using MSIX for virtio-blk

2015-07-07 Thread Naredula Janardhana Reddy
Hi, How to enable MSIX for virtio-blk, this is to avoid extra use of VIRTIO_PCI_ISR port reads. This is for qemu 2.3.0 with virtio-blk-pci with x-data-plane is on. Thanks Jana