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[159.2.73.22]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-50d63962c30sm85769161cf.10.2026.04.06.06.28.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Apr 2026 06:28:25 -0700 (PDT) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1w9k08-0000000DTs2-2Cjx; Mon, 06 Apr 2026 10:28:24 -0300 Date: Mon, 6 Apr 2026 10:28:24 -0300 From: Jason Gunthorpe To: Ankit Soni Cc: iommu@lists.linux.dev, vasant.hegde@amd.com, suravee.suthikulpanit@amd.com, joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 2/3] iommu_pt: add kunit config for 32-bit VA (amdv1_cfg_1) Message-ID: <20260406132824.GF2551565@ziepe.ca> References: <993efc6aec604ca6c7e706e5faf7ee216e70ce2c.1775045213.git.Ankit.Soni@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <993efc6aec604ca6c7e706e5faf7ee216e70ce2c.1775045213.git.Ankit.Soni@amd.com> On Wed, Apr 01, 2026 at 02:43:56PM +0000, Ankit Soni wrote: > Add test coverage for small VAs (32‑bit) starting at level 2 by enabling > the AMDv1 KUnit configuration. This limits level expansion because the > starting level can accommodate only the maximum virtual address requested. > > Signed-off-by: Ankit Soni > --- > drivers/iommu/generic_pt/fmt/amdv1.h | 1 + > drivers/iommu/generic_pt/kunit_iommu_pt.h | 5 +++-- > 2 files changed, 4 insertions(+), 2 deletions(-) Reviewed-by: Jason Gunthorpe Jason