On Fri, May 18, 2018 at 09:38:07AM +0200, Auger Eric wrote:
> Hi Peter,
>
> On 05/18/2018 07:53 AM, Peter Xu wrote:
> > On Thu, May 17, 2018 at 03:39:50PM +0200, Auger Eric wrote:
> >> Hi Peter,
> >>
> >> On 05/04/2018 05:08 AM, Peter Xu wrote:
> >>> For UNMAP-only IOMMU notifiers, we don't really
Hi Peter,
On 05/18/2018 07:53 AM, Peter Xu wrote:
> On Thu, May 17, 2018 at 03:39:50PM +0200, Auger Eric wrote:
>> Hi Peter,
>>
>> On 05/04/2018 05:08 AM, Peter Xu wrote:
>>> For UNMAP-only IOMMU notifiers, we don't really need to walk the page
>> s/really// ;-)
>
> Ok.
>
>>> tables. Fasten tha
On Thu, May 17, 2018 at 03:39:50PM +0200, Auger Eric wrote:
> Hi Peter,
>
> On 05/04/2018 05:08 AM, Peter Xu wrote:
> > For UNMAP-only IOMMU notifiers, we don't really need to walk the page
> s/really// ;-)
Ok.
> > tables. Fasten that procedure by skipping the page table walk. That
> > should
Hi Peter,
On 05/04/2018 05:08 AM, Peter Xu wrote:
> For UNMAP-only IOMMU notifiers, we don't really need to walk the page
s/really// ;-)
> tables. Fasten that procedure by skipping the page table walk. That
> should boost performance for UNMAP-only notifiers like vhost.
>
> Signed-off-by: Peter
For UNMAP-only IOMMU notifiers, we don't really need to walk the page
tables. Fasten that procedure by skipping the page table walk. That
should boost performance for UNMAP-only notifiers like vhost.
Signed-off-by: Peter Xu
---
include/hw/i386/intel_iommu.h | 2 ++
hw/i386/intel_iommu.c
