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On Tue, 12 May 2015 18:40:35 +0200 "Michael S. Tsirkin" <mst at redhat.com> wrote: > On Tue, May 12, 2015 at 06:25:32PM +0200, Cornelia Huck wrote: > > On Tue, 12 May 2015 17:15:53 +0200 > > "Michael S. Tsirkin" <mst at redhat.com> wrote: > > > One issue with virtio 1 patches as they are is with how features are > > > handled ATM.

On Tue, 12 May 2015 18:40:35 +0200 "Michael S. Tsirkin" <mst at redhat.com> wrote: > On Tue, May 12, 2015 at 06:25:32PM +0200, Cornelia Huck wrote: > > On Tue, 12 May 2015 17:15:53 +0200 > > "Michael S. Tsirkin" <mst at redhat.com> wrote: > > > One issue with virtio 1 patches as they are is with how features are > > > handled ATM.

This adds a flag to enable/disable bypassing the IOMMU by virtio devices. This is on top of patch http://article.gmane.org/gmane.comp.emulators.qemu/403467 virtio: convert to use DMA api Tested with patchset http://article.gmane.org/gmane.linux.kernel.virtualization/27545 virtio-pci: iommu support (note: bit number has been kept at 34 intentionally to match posted guest code. a non-RFC version

This adds a flag to enable/disable bypassing the IOMMU by virtio devices. This is on top of patch http://article.gmane.org/gmane.comp.emulators.qemu/403467 virtio: convert to use DMA api Tested with patchset http://article.gmane.org/gmane.linux.kernel.virtualization/27545 virtio-pci: iommu support (note: bit number has been kept at 34 intentionally to match posted guest code. a non-RFC version

On Thu, Apr 21, 2016 at 03:56:53PM +0100, Stefan Hajnoczi wrote: > On Thu, Apr 21, 2016 at 04:43:45PM +0300, Michael S. Tsirkin wrote: > > This adds a flag to enable/disable bypassing the IOMMU by > > virtio devices. > > > > This is on top of patch > > http://article.gmane.org/gmane.comp.emulators.qemu/403467 > > virtio: convert to use DMA api > >

On Thu, Apr 21, 2016 at 03:56:53PM +0100, Stefan Hajnoczi wrote: > On Thu, Apr 21, 2016 at 04:43:45PM +0300, Michael S. Tsirkin wrote: > > This adds a flag to enable/disable bypassing the IOMMU by > > virtio devices. > > > > This is on top of patch > > http://article.gmane.org/gmane.comp.emulators.qemu/403467 > > virtio: convert to use DMA api > >

Add Stefano and Anthony On Thu, Apr 21, 2016 at 04:43:45PM +0300, Michael S. Tsirkin wrote: > This adds a flag to enable/disable bypassing the IOMMU by > virtio devices. > > This is on top of patch > http://article.gmane.org/gmane.comp.emulators.qemu/403467 > virtio: convert to use DMA api > > Tested with patchset >

On Thu, Apr 21, 2016 at 04:43:45PM +0300, Michael S. Tsirkin wrote: > This adds a flag to enable/disable bypassing the IOMMU by > virtio devices. > > This is on top of patch > http://article.gmane.org/gmane.comp.emulators.qemu/403467 > virtio: convert to use DMA api > > Tested with patchset > http://article.gmane.org/gmane.linux.kernel.virtualization/27545 >

This adds a flag to enable/disable bypassing the IOMMU by virtio devices. This is on top of patch http://article.gmane.org/gmane.comp.emulators.qemu/403467 virtio: convert to use DMA api Tested with patchset http://article.gmane.org/gmane.linux.kernel.virtualization/27545 virtio-pci: iommu support Signed-off-by: Michael S. Tsirkin <mst at redhat.com> ---

This adds a flag to enable/disable bypassing the IOMMU by virtio devices. This is on top of patch http://article.gmane.org/gmane.comp.emulators.qemu/403467 virtio: convert to use DMA api Tested with patchset http://article.gmane.org/gmane.linux.kernel.virtualization/27545 virtio-pci: iommu support Signed-off-by: Michael S. Tsirkin <mst at redhat.com> ---

On Tue, 12 May 2015 17:15:53 +0200 "Michael S. Tsirkin" <mst at redhat.com> wrote: > On Tue, May 12, 2015 at 03:25:30PM +0200, Cornelia Huck wrote: > > On Wed, 06 May 2015 14:08:02 +0200 > > Greg Kurz <gkurz at linux.vnet.ibm.com> wrote: > > > > > Legacy virtio is native endian: if the guest and host endianness differ, > > > we have to

On Tue, 12 May 2015 17:15:53 +0200 "Michael S. Tsirkin" <mst at redhat.com> wrote: > On Tue, May 12, 2015 at 03:25:30PM +0200, Cornelia Huck wrote: > > On Wed, 06 May 2015 14:08:02 +0200 > > Greg Kurz <gkurz at linux.vnet.ibm.com> wrote: > > > > > Legacy virtio is native endian: if the guest and host endianness differ, > > > we have to

What it is: vhost net is a character device that can be used to reduce the number of system calls involved in virtio networking. Existing virtio net code is used in the guest without modification. There's similarity with vringfd, with some differences and reduced scope - uses eventfd for signalling - structures can be moved around in memory at any time (good for migration) - support memory

What it is: vhost net is a character device that can be used to reduce the number of system calls involved in virtio networking. Existing virtio net code is used in the guest without modification. There's similarity with vringfd, with some differences and reduced scope - uses eventfd for signalling - structures can be moved around in memory at any time (good for migration) - support memory