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Mon, 14 Jun 2021 05:06:03 -0700 (PDT) Received: from zen.linaroharston ([51.148.130.216]) by smtp.gmail.com with ESMTPSA id q20sm20213096wrf.45.2021.06.14.05.06.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Jun 2021 05:06:00 -0700 (PDT) Received: from zen (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id 2A04F1FF7E; Mon, 14 Jun 2021 13:06:00 +0100 (BST) From: =?utf-8?Q?Alex_Benn=C3=A9e?= To: Richard Henderson Subject: Re: [PATCH] linux-user: Set CF_PARALLEL when mapping shared memory References: <20210612060828.695332-1-richard.henderson@linaro.org> Date: Mon, 14 Jun 2021 13:06:00 +0100 In-Reply-To: <20210612060828.695332-1-richard.henderson@linaro.org> (Richard Henderson's message of "Fri, 11 Jun 2021 23:08:28 -0700") Message-ID: <87czsok5w7.fsf@linaro.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::334; envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x334.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-devel@nongnu.org, laurent@vivier.eu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Richard Henderson writes: > Signal the translator to use host atomic instructions for > guest operations, insofar as it is possible. This is the > best we can do to allow the guest to interact atomically > with other processes. > > Resolves: https://gitlab.com/qemu-project/qemu/-/issues/121 > Signed-off-by: Richard Henderson Reviewed-by: Alex Benn=C3=A9e --=20 Alex Benn=C3=A9e