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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 v9 35/39] kselftest/arm64: Add a GCS test program built with the system libc In-Reply-To: (Mark Brown's message of "Thu, 18 Jul 2024 17:16:39 +0100") References: <20240625-arm64-gcs-v9-0-0f634469b8f0@kernel.org> <20240625-arm64-gcs-v9-35-0f634469b8f0@kernel.org> <87plray8we.fsf@linaro.org> Date: Thu, 18 Jul 2024 19:28:32 -0300 Message-ID: <87ed7qxrlb.fsf@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Mark Brown writes: > On Thu, Jul 18, 2024 at 01:14:41PM -0300, Thiago Jung Bauermann wrote: > >> In my FVP VM, this test gets a GCS SIGSEGV before running the first test: > > Do you have THP enabled? That still doesn't work (I'm expecting it to > be fixed with -rc1). I did have it enabled. After turning it off in the kernel config, the test does pass. But I see 30 lines of "INVALID GCS" in dmesg while running it. Is it expected? -- Thiago