This patch tries to implement an device IOTLB for vhost. This could be
used with for co-operation with userspace(qemu) implementation of
iommu for a secure DMA environment in guest.
The idea is simple. When vhost meets an IOTLB miss, it will request
the assistance of userspace to do the
The comment had the meaning of mmu.gva_to_gpa and nested_mmu.gva_to_gpa
swapped. Fix that, and also add some details describing how each translation
works.
Signed-off-by: David Matlack
---
arch/x86/kvm/mmu.c | 10 ++
1 file changed, 6 insertions(+), 4 deletions(-)
On Wed, Dec 30, 2015 at 04:55:54PM +0100, Igor Mammedov wrote:
> On Mon, 28 Dec 2015 14:50:15 +0200
> "Michael S. Tsirkin" wrote:
>
> > On Mon, Dec 28, 2015 at 10:39:04AM +0800, Xiao Guangrong wrote:
> > >
> > > Hi Michael, Paolo,
> > >
> > > Now it is the time to return to
On Mon, 28 Dec 2015 14:50:15 +0200
"Michael S. Tsirkin" wrote:
> On Mon, Dec 28, 2015 at 10:39:04AM +0800, Xiao Guangrong wrote:
> >
> > Hi Michael, Paolo,
> >
> > Now it is the time to return to the challenge that how to reserve guest
> > physical region internally used by
On 29/12/2015 17:37, David Matlack wrote:
>> > Yes, it's correct.
s/it's/you're/ :)
Paolo
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Use dev_to_virtio() instead of open-coding it.
Signed-off-by: Geliang Tang
---
drivers/s390/virtio/virtio_ccw.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index 1b83159..97231e1
On Wed, Dec 30, 2015 at 3:36 AM, Paolo Bonzini wrote:
>
>
> On 29/12/2015 17:37, David Matlack wrote:
>>> > Yes, it's correct.
>
> s/it's/you're/ :)
Ah ok. Thanks for your help!
I will send a patch to fix the comment then.
>
> Paolo
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