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Tue, 28 Oct 2025 10:35:23 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEg3dJnndn9MLNODg5OH4lLFWo9eGfh77ZhdB2PVGRU3eRKhfdYb3afomVEo1Xod4ovsniKgg== X-Received: by 2002:a05:600c:46d0:b0:471:665:e688 with SMTP id 5b1f17b1804b1-4771e68ff23mr470565e9.17.1761672923249; Tue, 28 Oct 2025 10:35:23 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org Subject: [PULL 17/18] target/i386: clear CPU_INTERRUPT_SIPI for all accelerators Date: Tue, 28 Oct 2025 18:34:29 +0100 Message-ID: <20251028173430.2180057-18-pbonzini@redhat.com> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20251028173430.2180057-1-pbonzini@redhat.com> References: <20251028173430.2180057-1-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=170.10.129.124; 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_H3=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=unavailable 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: 1761673004295158500 Content-Type: text/plain; charset="utf-8" Similar to what commit df32e5c5 did for TCG; fixes boot with multiple processors on WHPX and probably more accelerators Fixes: df32e5c568c ("i386/cpu: Prevent delivering SIPI during SMM in TCG mo= de", 2025-10-14) Resolves: https://gitlab.com/qemu-project/qemu/-/issues/3178 Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini --- target/i386/hvf/x86hvf.c | 1 + target/i386/kvm/kvm.c | 1 + target/i386/nvmm/nvmm-all.c | 1 + target/i386/whpx/whpx-all.c | 1 + 4 files changed, 4 insertions(+) diff --git a/target/i386/hvf/x86hvf.c b/target/i386/hvf/x86hvf.c index a502437c303..3838c9f5a6f 100644 --- a/target/i386/hvf/x86hvf.c +++ b/target/i386/hvf/x86hvf.c @@ -446,6 +446,7 @@ int hvf_process_events(CPUState *cs) cs->halted =3D 0; } if (cpu_test_interrupt(cs, CPU_INTERRUPT_SIPI)) { + cpu_reset_interrupt(cs, CPU_INTERRUPT_SIPI); cpu_synchronize_state(cs); do_cpu_sipi(cpu); } diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index 4dea1ed8f0f..60c79811382 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -5659,6 +5659,7 @@ int kvm_arch_process_async_events(CPUState *cs) cs->halted =3D 0; } if (cpu_test_interrupt(cs, CPU_INTERRUPT_SIPI)) { + cpu_reset_interrupt(cs, CPU_INTERRUPT_SIPI); kvm_cpu_synchronize_state(cs); do_cpu_sipi(cpu); } diff --git a/target/i386/nvmm/nvmm-all.c b/target/i386/nvmm/nvmm-all.c index 2e442baf4b7..b9bd9ed985a 100644 --- a/target/i386/nvmm/nvmm-all.c +++ b/target/i386/nvmm/nvmm-all.c @@ -709,6 +709,7 @@ nvmm_vcpu_loop(CPUState *cpu) cpu->halted =3D false; } if (cpu_test_interrupt(cpu, CPU_INTERRUPT_SIPI)) { + cpu_reset_interrupt(cpu, CPU_INTERRUPT_SIPI); nvmm_cpu_synchronize_state(cpu); do_cpu_sipi(x86_cpu); } diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c index 256761834c9..6bf8d5f4bbb 100644 --- a/target/i386/whpx/whpx-all.c +++ b/target/i386/whpx/whpx-all.c @@ -1621,6 +1621,7 @@ static void whpx_vcpu_process_async_events(CPUState *= cpu) } =20 if (cpu_test_interrupt(cpu, CPU_INTERRUPT_SIPI)) { + cpu_reset_interrupt(cpu, CPU_INTERRUPT_SIPI); whpx_cpu_synchronize_state(cpu); do_cpu_sipi(x86_cpu); } --=20 2.51.1