On Fri, May 26, 2023 at 08:44:29AM +, Liu, Yi L wrote:
> > > >> In fact, the other purpose of this patch is to eliminate noisy error
> > > >> log when we work with IOMMUFD. It looks the duplicate UNMAP call will
> > > >> fail with IOMMUFD while always succeed with legacy container. This
> > >
> From: Jason Wang
> Sent: Friday, May 26, 2023 2:28 PM
>
> On Fri, May 26, 2023 at 2:22 PM Duan, Zhenzhong
> wrote:
> >
> >
> > >-Original Message-
> > >From: Peter Xu
> > >Sent: Thursday, May 25, 2023 9:54 PM
> > >Subjec
On Fri, May 26, 2023 at 2:22 PM Duan, Zhenzhong
wrote:
>
>
> >-Original Message-
> >From: Peter Xu
> >Sent: Thursday, May 25, 2023 9:54 PM
> >Subject: Re: [PATCH] intel_iommu: Optimize out some unnecessary UNMAP
> >calls
> >
> >On Thu, M
>-Original Message-
>From: Peter Xu
>Sent: Thursday, May 25, 2023 9:54 PM
>Subject: Re: [PATCH] intel_iommu: Optimize out some unnecessary UNMAP
>calls
>
>On Thu, May 25, 2023 at 11:29:34AM +, Duan, Zhenzhong wrote:
>> Hi Peter,
>>
>>
On Thu, May 25, 2023 at 11:29:34AM +, Duan, Zhenzhong wrote:
> Hi Peter,
>
> See inline.
> >-Original Message-
> >From: Peter Xu
> >Sent: Thursday, May 25, 2023 12:59 AM
> >Subject: Re: [PATCH] intel_iommu: Optimize out some unnecessary UNMAP
> &g
Hi Peter,
See inline.
>-Original Message-
>From: Peter Xu
>Sent: Thursday, May 25, 2023 12:59 AM
>Subject: Re: [PATCH] intel_iommu: Optimize out some unnecessary UNMAP
>calls
>
>Hi, Zhenzhong,
>
>On Tue, May 23, 2023 at 04:07:02PM +0800, Zhenzhong Duan wrote:
&
Hi, Zhenzhong,
On Tue, May 23, 2023 at 04:07:02PM +0800, Zhenzhong Duan wrote:
> Commit 63b88968f1 ("intel-iommu: rework the page walk logic") adds logic
> to record mapped IOVA ranges so we only need to send MAP or UNMAP when
> necessary. But there are still a few corner cases of unnecessary UNMA
