RE: [PATCH V2] iommu/amd: Fix logic to determine and checking max PASID

2014-03-24 Thread Cornwall, Jay
Joerg Roedel wrote: >On Wed, Mar 05, 2014 at 06:54:18PM -0600, suravee.suthikulpa...@amd.com wrote: >> From: Suravee Suthikulpanit >> >> In reality, the spec can only support 16-bit PASID since >> INVALIDATE_IOTLB_PAGES and COMPLETE_PPR_REQUEST commands only allow >> 16-bit PASID. So, we updat

Re: [PATCH V2] iommu/amd: Fix logic to determine and checking max PASID

2014-03-24 Thread Joerg Roedel
On Wed, Mar 05, 2014 at 06:54:18PM -0600, suravee.suthikulpa...@amd.com wrote: > From: Suravee Suthikulpanit > > In reality, the spec can only support 16-bit PASID since > INVALIDATE_IOTLB_PAGES and COMPLETE_PPR_REQUEST commands only allow 16-bit > PASID. So, we updated the PASID_MASK accordingly

Re: [PATCH V2] iommu/amd: Fix logic to determine and checking max PASID

2014-03-21 Thread Suravee Suthikulpanit
Joerg, Do you have any concerns about the V2 of this patch? Thanks, Suravee On 3/5/2014 6:54 PM, suravee.suthikulpa...@amd.com wrote: From: Suravee Suthikulpanit In reality, the spec can only support 16-bit PASID since INVALIDATE_IOTLB_PAGES and COMPLETE_PPR_REQUEST commands only allow 16-b