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Fri, 29 Aug 2025 08:31:28 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEqIpqtDTEzUzErYWJ417I16eY0x9D/bMIsQx2SY1DYNWVLkPhv5Owh18nRxW8wOpwO1kCo0A== X-Received: by 2002:a05:600c:4617:b0:45b:7deb:3f07 with SMTP id 5b1f17b1804b1-45b7deb495fmr29289835e9.5.1756481488143; Fri, 29 Aug 2025 08:31:28 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: peterx@redhat.com, richard.henderson@linaro.org, imammedo@redhat.com Subject: [PATCH 08/18] cpus: document that qemu_cpu_kick() can be used for BQL-less operation Date: Fri, 29 Aug 2025 17:31:05 +0200 Message-ID: <20250829153115.1590048-4-pbonzini@redhat.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250829152909.1589668-1-pbonzini@redhat.com> References: <20250829152909.1589668-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001, 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_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1756567693942116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Paolo Bonzini Reviewed-by: Richard Henderson --- include/hw/core/cpu.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index 23bd02277f4..8b57bcd92c9 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -829,7 +829,8 @@ bool qemu_cpu_is_self(CPUState *cpu); * qemu_cpu_kick: * @cpu: The vCPU to kick. * - * Kicks @cpu's thread. + * Kicks @cpu's thread to exit the accelerator. For accelerators that + * can do that, the target vCPU thread will try not to take the BQL. */ void qemu_cpu_kick(CPUState *cpu); =20 --=20 2.51.0