Re: [virtio-dev] [PATCH v3] VIRTIO_F_IO_BARRIER: use I/O barriers in driver

2018-06-20 Thread Tiwei Bie
On Wed, Jun 20, 2018 at 05:02:26PM +0300, Michael S. Tsirkin wrote: > On Wed, Jun 20, 2018 at 09:40:50PM +0800, Tiwei Bie wrote: > > On Wed, Jun 20, 2018 at 06:31:16AM +0300, Michael S. Tsirkin wrote: > > > On Thu, May 10, 2018 at 11:41:26PM +0800, Tiwei Bie wrote: > > > > There will be hardware

Re: [virtio-dev] [PATCH v3] VIRTIO_F_IO_BARRIER: use I/O barriers in driver

2018-06-20 Thread Michael S. Tsirkin
On Wed, Jun 20, 2018 at 09:40:50PM +0800, Tiwei Bie wrote: > On Wed, Jun 20, 2018 at 06:31:16AM +0300, Michael S. Tsirkin wrote: > > On Thu, May 10, 2018 at 11:41:26PM +0800, Tiwei Bie wrote: > > > There will be hardware virtio devices in the future, which > > > require drivers to use the barriers

Re: [virtio-dev] [PATCH v3] VIRTIO_F_IO_BARRIER: use I/O barriers in driver

2018-06-20 Thread Tiwei Bie
On Wed, Jun 20, 2018 at 06:31:16AM +0300, Michael S. Tsirkin wrote: > On Thu, May 10, 2018 at 11:41:26PM +0800, Tiwei Bie wrote: > > There will be hardware virtio devices in the future, which > > require drivers to use the barriers suitable for I/O devices, > > compared with software virtio

Re: [virtio-dev] [PATCH v3] VIRTIO_F_IO_BARRIER: use I/O barriers in driver

2018-06-19 Thread Michael S. Tsirkin
On Thu, May 10, 2018 at 11:41:26PM +0800, Tiwei Bie wrote: > There will be hardware virtio devices in the future, which > require drivers to use the barriers suitable for I/O devices, > compared with software virtio devices which just require > drivers to use the barriers suitable for CPU cores. >

Re: [virtio-dev] [PATCH v3] VIRTIO_F_IO_BARRIER: use I/O barriers in driver

2018-05-15 Thread Tiwei Bie
On Tue, May 15, 2018 at 10:40:44AM +0100, Stefan Hajnoczi wrote: > On Thu, May 10, 2018 at 11:41:26PM +0800, Tiwei Bie wrote: > > There will be hardware virtio devices in the future, which > > require drivers to use the barriers suitable for I/O devices, > > compared with software virtio devices

Re: [virtio-dev] [PATCH v3] VIRTIO_F_IO_BARRIER: use I/O barriers in driver

2018-05-15 Thread Stefan Hajnoczi
On Thu, May 10, 2018 at 11:41:26PM +0800, Tiwei Bie wrote: > There will be hardware virtio devices in the future, which > require drivers to use the barriers suitable for I/O devices, > compared with software virtio devices which just require > drivers to use the barriers suitable for CPU cores. >