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Mon, 14 Apr 2025 02:11:28 -0700 (PDT) Received: from draig.lan ([185.126.160.109]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5f36ee5541fsm4537046a12.14.2025.04.14.02.11.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Apr 2025 02:11:27 -0700 (PDT) Received: from draig (localhost [IPv6:::1]) by draig.lan (Postfix) with ESMTP id 79A7D5F8A5; Mon, 14 Apr 2025 10:11:26 +0100 (BST) From: =?utf-8?Q?Alex_Benn=C3=A9e?= To: Mads Ynddal Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org, Phil Dennis-Jordan , Cameron Esfahani , Roman Bolshakov , Peter Maydell , Alexander Graf , Mads Ynddal , Daniel Gomez Subject: Re: [PATCH 2/2] hvf: only update sysreg from owning thread In-Reply-To: <20250402135229.28143-3-mads@ynddal.dk> (Mads Ynddal's message of "Wed, 2 Apr 2025 15:52:29 +0200") References: <20250402135229.28143-1-mads@ynddal.dk> <20250402135229.28143-3-mads@ynddal.dk> User-Agent: mu4e 1.12.9; emacs 30.1 Date: Mon, 14 Apr 2025 10:11:26 +0100 Message-ID: <8734ebf6pt.fsf@draig.linaro.org> 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::531; envelope-from=alex.bennee@linaro.org; helo=mail-ed1-x531.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Mads Ynddal writes: > From: Mads Ynddal > > hv_vcpu_set_sys_reg should only be called from the owning thread of the > vCPU, so to avoid crashes, the call to hvf_update_guest_debug is > dispatched to the individual threads. > > Tested-by: Daniel Gomez > Signed-off-by: Mads Ynddal Reviewed-by: Alex Benn=C3=A9e --=20 Alex Benn=C3=A9e Virtualisation Tech Lead @ Linaro