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Mon, 16 Aug 2021 13:28:21 +0000 From: Ashish Kalra To: qemu-devel@nongnu.org Cc: pbonzini@redhat.com, thomas.lendacky@amd.com, brijesh.singh@amd.com, ehabkost@redhat.com, mst@redhat.com, richard.henderson@linaro.org, jejb@linux.ibm.com, tobin@ibm.com, dovmurik@linux.vnet.ibm.com, frankeh@us.ibm.com, dgilbert@redhat.com, kvm@vger.kernel.org Subject: [RFC PATCH 05/13] cpu: Add boolean mirror_vcpu field to CPUState Date: Mon, 16 Aug 2021 13:28:10 +0000 Message-Id: X-Mailer: git-send-email 2.17.1 In-Reply-To: References: Content-Type: text/plain X-ClientProxiedBy: SA9PR13CA0152.namprd13.prod.outlook.com (2603:10b6:806:28::7) To SN6PR12MB2767.namprd12.prod.outlook.com (2603:10b6:805:75::23) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from ashkalra_ubuntu_server.amd.com (165.204.77.1) by SA9PR13CA0152.namprd13.prod.outlook.com (2603:10b6:806:28::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4436.12 via Frontend Transport; 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This will allow QEMU to act differently on mirror VCPUs. Signed-off-by: Dov Murik Co-developed-by: Ashish Kalra Signed-off-by: Ashish Kalra --- hw/core/cpu-common.c | 1 + include/hw/core/cpu.h | 3 +++ 2 files changed, 4 insertions(+) diff --git a/hw/core/cpu-common.c b/hw/core/cpu-common.c index e2f5a64604..99298f3a79 100644 --- a/hw/core/cpu-common.c +++ b/hw/core/cpu-common.c @@ -269,6 +269,7 @@ static Property cpu_common_props[] = { MemoryRegion *), #endif DEFINE_PROP_BOOL("start-powered-off", CPUState, start_powered_off, false), + DEFINE_PROP_BOOL("mirror_vcpu", CPUState, mirror_vcpu, false), DEFINE_PROP_END_OF_LIST(), }; diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h index bc864564ce..a8f5f7862d 100644 --- a/include/hw/core/cpu.h +++ b/include/hw/core/cpu.h @@ -402,6 +402,9 @@ struct CPUState { /* shared by kvm, hax and hvf */ bool vcpu_dirty; + /* does this cpu belong to mirror VM */ + bool mirror_vcpu; + /* Used to keep track of an outstanding cpu throttle thread for migration * autoconverge */ -- 2.17.1