Re: [RFC PATCH 2/2] block: virtio-blk: support multi virt queues per virtio-blk device

2015-12-14 Thread Ming Lei
Hi Paolo, On Mon, Dec 14, 2015 at 6:31 PM, Paolo Bonzini wrote: > > > On 18/06/2014 06:04, Ming Lei wrote: >> For virtio-blk, I don't think it is always better to take more queues, and >> we need to leverage below things in host side: >> >> - host storage top performance,

Re: [RFC PATCH 2/2] block: virtio-blk: support multi virt queues per virtio-blk device

2015-12-14 Thread Paolo Bonzini
On 18/06/2014 06:04, Ming Lei wrote: > For virtio-blk, I don't think it is always better to take more queues, and > we need to leverage below things in host side: > > - host storage top performance, generally it reaches that with more > than 1 jobs with libaio(suppose it is N, so basically we

Re: [PATCH 0/1] virtio/s390: one fix

2015-12-14 Thread Cornelia Huck
On Thu, 3 Dec 2015 17:23:59 +0100 Cornelia Huck wrote: > Michael, > > here's one fix for the virtio-ccw driver. > > Patch is against master, as your git branches on mst/vhost.git seem > to be quite old. Is there some branch I can base my own branch on, > or do you

Re: [PATCH 0/1] virtio/s390: one fix

2015-12-14 Thread Michael S. Tsirkin
On Mon, Dec 14, 2015 at 04:02:33PM +0100, Cornelia Huck wrote: > On Thu, 3 Dec 2015 17:23:59 +0100 > Cornelia Huck wrote: > > > Michael, > > > > here's one fix for the virtio-ccw driver. > > > > Patch is against master, as your git branches on mst/vhost.git seem > >

Re: [PATCH v2] vhost: replace % with & on data path

2015-12-14 Thread Andy Shevchenko
On Fri, Dec 4, 2015 at 10:19 PM, Venkatesh Srinivas wrote: > On Mon, Nov 30, 2015 at 11:15:23AM +0200, Michael S. Tsirkin wrote: >> We know vring num is a power of 2, so use & >> to mask the high bits. >> >> Signed-off-by: Michael S. Tsirkin >> --- > > The

Re: [PATCH] ttm/drm: constify ttm_backend_func structures

2015-12-14 Thread Christian König
On 11.12.2015 14:37, Julia Lawall wrote: The ttm_backend_func structures are never modified, so declare them as const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall Reviewed-by: Christian König ---

Re: [Xen-devel] [PATCH RFC 0/3] Xen on Virtio

2015-12-14 Thread David Vrabel
On 07/12/15 16:19, Stefano Stabellini wrote: > Hi all, > > this patch series introduces support for running Linux on top of Xen > inside a virtual machine with virtio devices (nested virt scenario). > The problem is that Linux virtio drivers use virt_to_phys to get the > guest pseudo-physical

Re: [Xen-devel] [PATCH RFC 1/3] xen: export xen_phys_to_bus, xen_bus_to_phys and xen_virt_to_bus

2015-12-14 Thread David Vrabel
On 07/12/15 16:19, Stefano Stabellini wrote: > Signed-off-by: Stefano Stabellini Can you add a brief description about why these are being moved? Then, assuming this is needed in the end: Acked-by: David Vrabel David

Re: [Xen-devel] [PATCH RFC 0/3] Xen on Virtio

2015-12-14 Thread Michael S. Tsirkin
On Mon, Dec 14, 2015 at 02:00:05PM +, David Vrabel wrote: > On 07/12/15 16:19, Stefano Stabellini wrote: > > Hi all, > > > > this patch series introduces support for running Linux on top of Xen > > inside a virtual machine with virtio devices (nested virt scenario). > > The problem is that

Re: [Xen-devel] [PATCH RFC 0/3] Xen on Virtio

2015-12-14 Thread Andy Lutomirski
On Mon, Dec 14, 2015 at 6:12 AM, Michael S. Tsirkin wrote: > On Mon, Dec 14, 2015 at 02:00:05PM +, David Vrabel wrote: >> On 07/12/15 16:19, Stefano Stabellini wrote: >> > Hi all, >> > >> > this patch series introduces support for running Linux on top of Xen >> > inside a