On 10/15/2012 10:44 AM, liu ping fan wrote:
> On Thu, Oct 11, 2012 at 11:48 PM, Avi Kivity wrote:
>> On 10/11/2012 05:34 PM, Michael S. Tsirkin wrote:
>>> On Thu, Oct 11, 2012 at 04:35:23PM +0200, Avi Kivity wrote:
On 10/11/2012 04:35 PM, Michael S. Tsirkin wrote:
>> No, qemu should
On 10/11/2012 09:38 PM, Alex Williamson wrote:
> On Thu, 2012-10-11 at 17:48 +0200, Avi Kivity wrote:
>> On 10/11/2012 05:34 PM, Michael S. Tsirkin wrote:
>> > On Thu, Oct 11, 2012 at 04:35:23PM +0200, Avi Kivity wrote:
>> >> On 10/11/2012 04:35 PM, Michael S. Tsirkin wrote:
>> >>
>> >> >> No, qem
On Thu, Oct 11, 2012 at 11:48 PM, Avi Kivity wrote:
> On 10/11/2012 05:34 PM, Michael S. Tsirkin wrote:
>> On Thu, Oct 11, 2012 at 04:35:23PM +0200, Avi Kivity wrote:
>>> On 10/11/2012 04:35 PM, Michael S. Tsirkin wrote:
>>>
>>> >> No, qemu should configure virtio devices to bypass the iommu, even
On Thu, 2012-10-11 at 17:48 +0200, Avi Kivity wrote:
> On 10/11/2012 05:34 PM, Michael S. Tsirkin wrote:
> > On Thu, Oct 11, 2012 at 04:35:23PM +0200, Avi Kivity wrote:
> >> On 10/11/2012 04:35 PM, Michael S. Tsirkin wrote:
> >>
> >> >> No, qemu should configure virtio devices to bypass the iommu,
On 10/11/2012 05:34 PM, Michael S. Tsirkin wrote:
> On Thu, Oct 11, 2012 at 04:35:23PM +0200, Avi Kivity wrote:
>> On 10/11/2012 04:35 PM, Michael S. Tsirkin wrote:
>>
>> >> No, qemu should configure virtio devices to bypass the iommu, even if it
>> >> is on.
>> >
>> > Okay so there will be some
On Thu, Oct 11, 2012 at 04:35:23PM +0200, Avi Kivity wrote:
> On 10/11/2012 04:35 PM, Michael S. Tsirkin wrote:
>
> >> No, qemu should configure virtio devices to bypass the iommu, even if it
> >> is on.
> >
> > Okay so there will be some API that virtio devices should call
> > to achieve this?
>
On 10/11/2012 04:35 PM, Michael S. Tsirkin wrote:
>> No, qemu should configure virtio devices to bypass the iommu, even if it
>> is on.
>
> Okay so there will be some API that virtio devices should call
> to achieve this?
The iommu should probably call pci_device_bypasses_iommu() to check for
su
On Thu, Oct 11, 2012 at 03:44:10PM +0200, Avi Kivity wrote:
> On 10/11/2012 03:44 PM, Michael S. Tsirkin wrote:
> > On Thu, Oct 11, 2012 at 03:34:54PM +0200, Avi Kivity wrote:
> >> On 10/11/2012 03:31 PM, Michael S. Tsirkin wrote:
> >> > On Thu, Oct 11, 2012 at 03:27:03PM +0200, Avi Kivity wrote:
>
vhost doesn't support guest iommus yet, indicate it to the user
by gently depositing a core on their disk.
Signed-off-by: Avi Kivity
---
hw/vhost.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/hw/vhost.c b/hw/vhost.c
index 0b4ac3f..cd5d9f5 100644
--- a/hw/vhost.c
+++ b/hw/vhost.c
@@ -45
On 10/11/2012 03:44 PM, Michael S. Tsirkin wrote:
> On Thu, Oct 11, 2012 at 03:34:54PM +0200, Avi Kivity wrote:
>> On 10/11/2012 03:31 PM, Michael S. Tsirkin wrote:
>> > On Thu, Oct 11, 2012 at 03:27:03PM +0200, Avi Kivity wrote:
>> >> vhost doesn't support guest iommus yet, indicate it to the user
On Thu, Oct 11, 2012 at 03:34:54PM +0200, Avi Kivity wrote:
> On 10/11/2012 03:31 PM, Michael S. Tsirkin wrote:
> > On Thu, Oct 11, 2012 at 03:27:03PM +0200, Avi Kivity wrote:
> >> vhost doesn't support guest iommus yet, indicate it to the user
> >> by gently depositing a core on their disk.
> >>
On 10/11/2012 03:31 PM, Michael S. Tsirkin wrote:
> On Thu, Oct 11, 2012 at 03:27:03PM +0200, Avi Kivity wrote:
>> vhost doesn't support guest iommus yet, indicate it to the user
>> by gently depositing a core on their disk.
>>
>> Signed-off-by: Avi Kivity
>
> Actually there is no problem. virti
On Thu, Oct 11, 2012 at 03:27:03PM +0200, Avi Kivity wrote:
> vhost doesn't support guest iommus yet, indicate it to the user
> by gently depositing a core on their disk.
>
> Signed-off-by: Avi Kivity
Actually there is no problem. virtio bypasses an IOMMU,
so vhost works fine by writing into gue
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