From nobody Tue Feb 10 05:45:54 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1763780675299207.88956583894026; Fri, 21 Nov 2025 19:04:35 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vMdNE-0008T9-Vg; Fri, 21 Nov 2025 21:29:17 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vMdNA-0008S7-No; Fri, 21 Nov 2025 21:29:12 -0500 Received: from isrv.corpit.ru ([212.248.84.144]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vMdMQ-00071D-9l; Fri, 21 Nov 2025 21:29:09 -0500 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id A76CD16C6EE; Fri, 21 Nov 2025 16:51:55 +0300 (MSK) Received: from think4mjt.tls.msk.ru (mjtthink.wg.tls.msk.ru [192.168.177.146]) by tsrv.corpit.ru (Postfix) with ESMTP id 0E63932198B; Fri, 21 Nov 2025 16:52:04 +0300 (MSK) From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Paolo Bonzini , Michael Tokarev Subject: [Stable-10.1.3 22/76] target/i386: clear CPU_INTERRUPT_SIPI for all accelerators Date: Fri, 21 Nov 2025 16:51:00 +0300 Message-ID: <20251121135201.1114964-22-mjt@tls.msk.ru> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: 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=212.248.84.144; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, T_SPF_HELO_TEMPERROR=0.01, T_SPF_TEMPERROR=0.01 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-ZM-MESSAGEID: 1763780676229018900 Content-Type: text/plain; charset="utf-8" From: Paolo Bonzini 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) Fixes: cf8dff8d9f9 ("i386/cpu: Prevent delivering SIPI during SMM in TCG mo= de", in 10.1.x) Resolves: https://gitlab.com/qemu-project/qemu/-/issues/3178 Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini (cherry picked from commit d5e1d2dea11b803ba9121fc12d3c1662b79ad941) (Mjt: context fix due to missing v10.1.0-119-g87511341c30d "add cpu_test_interrupt()/cpu_set_interrupt() helpers and use them tree wi= de") Signed-off-by: Michael Tokarev diff --git a/target/i386/hvf/x86hvf.c b/target/i386/hvf/x86hvf.c index 17fce1d3cd..062d634aa6 100644 --- a/target/i386/hvf/x86hvf.c +++ b/target/i386/hvf/x86hvf.c @@ -447,6 +447,7 @@ int hvf_process_events(CPUState *cs) cs->halted =3D 0; } if (cs->interrupt_request & 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 7137b46be1..7a62eb728e 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -5656,6 +5656,7 @@ int kvm_arch_process_async_events(CPUState *cs) cs->halted =3D 0; } if (cs->interrupt_request & 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 92e3b8b2f4..533a0e93e6 100644 --- a/target/i386/nvmm/nvmm-all.c +++ b/target/i386/nvmm/nvmm-all.c @@ -706,6 +706,7 @@ nvmm_vcpu_loop(CPUState *cpu) cpu->halted =3D false; } if (cpu->interrupt_request & 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 b72dcff3c8..bd5e23ef9a 100644 --- a/target/i386/whpx/whpx-all.c +++ b/target/i386/whpx/whpx-all.c @@ -1618,6 +1618,7 @@ static void whpx_vcpu_process_async_events(CPUState *= cpu) } =20 if (cpu->interrupt_request & CPU_INTERRUPT_SIPI) { + cpu_reset_interrupt(cpu, CPU_INTERRUPT_SIPI); whpx_cpu_synchronize_state(cpu); do_cpu_sipi(x86_cpu); } --=20 2.47.3