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[216.228.167.147]) by smtp.gmail.com with ESMTPSA id m7sm8821761pjc.54.2021.04.02.09.18.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Apr 2021 09:18:37 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 0/3] target/arm mte fixes Date: Fri, 2 Apr 2021 09:18:32 -0700 Message-Id: <20210402161835.286665-1-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1029; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1029.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" In addition to re-instating the "is tag checking enabled" test in gen_mte_checkN, add a fix for a second bug in mprotect. I have verified that the 5.10 kernel, running in system mode, allows setting PROT_MTE with mprotect. r~ Supercedes: 20210402053728.265173-1-richard.henderson@linaro.org ("target/arm: Fix unaligned mte checks") Richard Henderson (3): target/arm: Check PAGE_WRITE_ORG for MTE writeability target/arm: Fix unaligned mte checks accel/tcg: Preserve PAGE_ANON when changing page permissions target/arm/helper-a64.h | 3 +- target/arm/internals.h | 13 +-- target/arm/translate-a64.h | 2 +- tests/tcg/aarch64/mte.h | 3 +- accel/tcg/translate-all.c | 9 +- target/arm/mte_helper.c | 171 ++++++++++++------------------ target/arm/sve_helper.c | 96 ++++++----------- target/arm/translate-a64.c | 31 +++--- target/arm/translate-sve.c | 9 +- tests/tcg/aarch64/mte-5.c | 44 ++++++++ tests/tcg/aarch64/mte-6.c | 43 ++++++++ tests/tcg/aarch64/Makefile.target | 2 +- 12 files changed, 222 insertions(+), 204 deletions(-) create mode 100644 tests/tcg/aarch64/mte-5.c create mode 100644 tests/tcg/aarch64/mte-6.c -- 2.25.1