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[142.68.128.5]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6cde122b017sm7378376d6.78.2024.10.18.07.23.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Oct 2024 07:23:40 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.95) (envelope-from ) id 1t1ntD-008Cb7-PH; Fri, 18 Oct 2024 11:23:39 -0300 Date: Fri, 18 Oct 2024 11:23:39 -0300 From: Jason Gunthorpe To: Vasant Hegde Cc: iommu@lists.linux.dev, joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, suravee.suthikulpanit@amd.com, yi.l.liu@intel.com, baolu.lu@linux.intel.com, kevin.tian@intel.com, jacob.pan@linux.microsoft.com Subject: Re: [PATCH v3 05/12] iommu/amd: Add helper function to check GIOSUP/GTSUP Message-ID: <20241018142339.GI948948@ziepe.ca> References: <20241017140137.6028-1-vasant.hegde@amd.com> <20241017140137.6028-6-vasant.hegde@amd.com> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241017140137.6028-6-vasant.hegde@amd.com> On Thu, Oct 17, 2024 at 02:01:30PM +0000, Vasant Hegde wrote: > amd_iommu_gt_ppr_supported() only checks for GTSUP. To support PASID > with V2 page table we need GIOSUP as well. Hence add new helper function > to check GIOSUP/GTSUP. > > Signed-off-by: Vasant Hegde > --- > drivers/iommu/amd/amd_iommu.h | 7 ++++++- > drivers/iommu/amd/init.c | 3 +-- > 2 files changed, 7 insertions(+), 3 deletions(-) Reviewed-by: Jason Gunthorpe Jason