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[34.142.178.23]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-32ed273e8fasm19914155a91.18.2025.09.23.12.03.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Sep 2025 12:03:02 -0700 (PDT) Date: Tue, 23 Sep 2025 19:02:57 +0000 From: Pranjal Shrivastava To: Mostafa Saleh Cc: iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, robin.murphy@arm.com, will@kernel.org, joro@8bytes.org, jgg@ziepe.ca Subject: Re: [PATCH v4 1/4] iommu/io-pgtable-arm: Simplify error prints for selftests Message-ID: References: <20250922090003.686704-1-smostafa@google.com> <20250922090003.686704-2-smostafa@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250922090003.686704-2-smostafa@google.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250923_120305_577171_3A10326E X-CRM114-Status: GOOD ( 16.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Sep 22, 2025 at 08:59:25AM +0000, Mostafa Saleh wrote: > At the moment, if the self test fails it prints a lot of information > about the page table (size, levels...) this requires access to many > internals, which has to be exposed in the next patch moving the > tests out. > > Instead, we can simplify the print, using ias, oas, pgsize_bitmap > and fmt is enough to identify the failed case, and the rest can > be deduced from the code. > > Signed-off-by: Mostafa Saleh > --- > drivers/iommu/io-pgtable-arm.c | 10 +++------- > 1 file changed, 3 insertions(+), 7 deletions(-) > Reviewed-by: Pranjal Shrivastava