Re: [PATCH v1 14/17] intel_iommu: piotlb invalidation should notify unmap

2024-07-23 Thread CLEMENT MATHIEU--DRIF
; Subject: Re: [PATCH v1 14/17] intel_iommu: piotlb invalidation should >> notify unmap >> >> >> >> On 24/07/2024 07:45, CLEMENT MATHIEU--DRIF wrote: >>> Maybe I'm missing something but why do we invalidate device IOTLB >>> upon piotlb receipt of a re

RE: [PATCH v1 14/17] intel_iommu: piotlb invalidation should notify unmap

2024-07-23 Thread Duan, Zhenzhong
>-Original Message- >From: CLEMENT MATHIEU--DRIF >Subject: Re: [PATCH v1 14/17] intel_iommu: piotlb invalidation should >notify unmap > > > >On 24/07/2024 07:45, CLEMENT MATHIEU--DRIF wrote: >> Maybe I'm missing something but why do we invalidate devic

Re: [PATCH v1 14/17] intel_iommu: piotlb invalidation should notify unmap

2024-07-23 Thread CLEMENT MATHIEU--DRIF
On 24/07/2024 07:45, CLEMENT MATHIEU--DRIF wrote: > Maybe I'm missing something but why do we invalidate device IOTLB > upon piotlb receipt of a regular IOTLB inv desc? > I don't get why we don't wait for a device IOTLB inv desc? I thought you were planning to remove that after the last rfc versi

Re: [PATCH v1 14/17] intel_iommu: piotlb invalidation should notify unmap

2024-07-23 Thread CLEMENT MATHIEU--DRIF
Maybe I'm missing something but why do we invalidate device IOTLB upon piotlb receipt of a regular IOTLB inv desc? I don't get why we don't wait for a device IOTLB inv desc? On 18/07/2024 10:16, Zhenzhong Duan wrote: > Caution: External email. Do not open attachments or click links, unless this >

[PATCH v1 14/17] intel_iommu: piotlb invalidation should notify unmap

2024-07-18 Thread Zhenzhong Duan
This is used by some emulated devices which caches address translation result. When piotlb invalidation issued in guest, those caches should be refreshed. Signed-off-by: Yi Sun Signed-off-by: Zhenzhong Duan --- hw/i386/intel_iommu.c | 35 ++- 1 file changed, 34 i