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Tue, 03 Mar 2026 05:57:05 -0800 (PST) Received: from draig.lan ([185.124.0.126]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-65fabf6cfd9sm4441639a12.22.2026.03.03.05.57.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Mar 2026 05:57:05 -0800 (PST) Received: from draig (localhost [IPv6:::1]) by draig.lan (Postfix) with ESMTP id 16E815F811; Tue, 03 Mar 2026 13:57:04 +0000 (GMT) From: =?utf-8?Q?Alex_Benn=C3=A9e?= To: Florian Hofhammer Cc: qemu-devel@nongnu.org, Pierrick Bouvier , Laurent Vivier , berrange@redhat.com, richard.henderson@linaro.org, imp@bsdimp.com Subject: Re: [PATCH v6 6/7] plugins: prohibit writing to read-only registers In-Reply-To: <20260303-setpc-v5-v6-6-15c77cfe184e@epfl.ch> (Florian Hofhammer's message of "Tue, 3 Mar 2026 14:07:32 +0100") References: <20260303-setpc-v5-v6-0-15c77cfe184e@epfl.ch> <20260303-setpc-v5-v6-6-15c77cfe184e@epfl.ch> User-Agent: mu4e 1.14.0-pre2; emacs 30.1 Date: Tue, 03 Mar 2026 13:57:03 +0000 Message-ID: <87jyvtauds.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::532; envelope-from=alex.bennee@linaro.org; helo=mail-ed1-x532.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: qemu development 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 Florian Hofhammer writes: > The opaque register handle encodes whether a register is read-only in > the lowest bit and prevents writing to the register via the plugin API > in this case. > > Signed-off-by: Florian Hofhammer Reviewed-by: Alex Benn=C3=A9e --=20 Alex Benn=C3=A9e Virtualisation Tech Lead @ Linaro