Re: [PATCH v3 6/7] iommu/vt-d: Warn on out-of-range invalidation address

2020-07-02 Thread Jacob Pan
Hi Eric, On Thu, 2 Jul 2020 10:47:39 +0200 Auger Eric wrote: > Hi, > > On 7/1/20 5:33 PM, Jacob Pan wrote: > > For guest requested IOTLB invalidation, address and mask are > > provided as part of the invalidation data. VT-d HW silently ignores > > any address bits below the mask. SW shall also

Re: [PATCH v3 6/7] iommu/vt-d: Warn on out-of-range invalidation address

2020-07-02 Thread Auger Eric
Hi, On 7/1/20 5:33 PM, Jacob Pan wrote: > For guest requested IOTLB invalidation, address and mask are provided as > part of the invalidation data. VT-d HW silently ignores any address bits > below the mask. SW shall also allow such case but give warning if > address does not align with the mask.

Re: [PATCH v3 6/7] iommu/vt-d: Warn on out-of-range invalidation address

2020-07-01 Thread Lu Baolu
On 7/1/20 11:33 PM, Jacob Pan wrote: For guest requested IOTLB invalidation, address and mask are provided as part of the invalidation data. VT-d HW silently ignores any address bits below the mask. SW shall also allow such case but give warning if address does not align with the mask. This patch