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Edgecombe" , Deepak Gupta , Ard Biesheuvel , Szabolcs Nagy , Kees Cook , "H.J. Lu" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Florian Weimer , Christian Brauner , Ross Burton , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH v10 39/40] kselftest/arm64: Enable GCS for the FP stress tests In-Reply-To: <20240801-arm64-gcs-v10-39-699e2bd2190b@kernel.org> (Mark Brown's message of "Thu, 01 Aug 2024 13:07:06 +0100") References: <20240801-arm64-gcs-v10-0-699e2bd2190b@kernel.org> <20240801-arm64-gcs-v10-39-699e2bd2190b@kernel.org> Date: Thu, 08 Aug 2024 03:25:23 -0300 Message-ID: <87v80bcyzw.fsf@linaro.org> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Mark Brown writes: > While it's a bit off topic for them the floating point stress tests do give > us some coverage of context thrashing cases, and also of active signal > delivery separate to the relatively complicated framework in the actual > signals tests. Have the tests enable GCS on startup, ignoring failures so > they continue to work as before on systems without GCS. > > Reviewed-by: Thiago Jung Bauermann > Signed-off-by: Mark Brown > --- > tools/testing/selftests/arm64/fp/assembler.h | 15 +++++++++++++++ > tools/testing/selftests/arm64/fp/fpsimd-test.S | 2 ++ > tools/testing/selftests/arm64/fp/sve-test.S | 2 ++ > tools/testing/selftests/arm64/fp/za-test.S | 2 ++ > tools/testing/selftests/arm64/fp/zt-test.S | 2 ++ > 5 files changed, 23 insertions(+) The fpsimd, sve, za and zt tests don't find any errors on my FVP setup when left running for a while: Tested-by: Thiago Jung Bauermann -- Thiago