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([2602:47:d483:7301:347d:4d37:bdd7:f5e5]) by smtp.gmail.com with ESMTPSA id c7-20020aa78c07000000b0064fde7ae1ffsm1430149pfd.38.2023.08.20.13.44.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Aug 2023 13:44:09 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: laurent@vivier.eu, imp@bsdimp.com, kariem.taha2.7@gmail.com Subject: [PATCH 0/4] linux-user: shmat/shmdt improvements Date: Sun, 20 Aug 2023 13:44:04 -0700 Message-Id: <20230820204408.327348-1-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::22f; envelope-from=richard.henderson@linaro.org; helo=mail-oi1-x22f.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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org A couple of points I noticed with bsd-user copying linux-user: (1) Make sure to remap memory for reserved_va (2) Use something better than an array for tracking shmat. r~ Richard Henderson (4): linux-user: Move shmat and shmdt implementations to mmap.c linux-user: Use WITH_MMAP_LOCK_GUARD in target_{shmat,shmdt} linux-user: Fix shmdt linux-user: Track shm regions with an interval tree linux-user/user-mmap.h | 4 + linux-user/mmap.c | 168 +++++++++++++++++++++++++++++++++++++++++ linux-user/syscall.c | 143 +---------------------------------- 3 files changed, 176 insertions(+), 139 deletions(-)