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Sun, 26 Feb 2023 21:54:15 -0600 From: Santosh Shukla To: , CC: , , , , , , , Subject: [PATCHv3 00/10] SVM: virtual NMI Date: Mon, 27 Feb 2023 09:23:50 +0530 Message-ID: <20230227035400.1498-1-santosh.shukla@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT095:EE_|DS7PR12MB6189:EE_ X-MS-Office365-Filtering-Correlation-Id: ba687fb8-b5ff-40f2-1d61-08db1876502e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230025)(4636009)(376002)(346002)(136003)(396003)(39860400002)(451199018)(36840700001)(46966006)(40470700004)(40480700001)(40460700003)(186003)(336012)(26005)(16526019)(6666004)(478600001)(1076003)(4743002)(426003)(2616005)(8676002)(316002)(70206006)(70586007)(4326008)(966005)(54906003)(7696005)(110136005)(81166007)(356005)(82740400003)(47076005)(86362001)(83380400001)(36860700001)(36756003)(44832011)(41300700001)(8936002)(82310400005)(5660300002)(2906002)(36900700001);DIR:OUT;SFP:1101; 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Refer each patch for change history(v2-->v3). Series based on [1] and tested on AMD EPYC-Genoa. APM: ((Ch-15.21.10 - NMI Virtualization) https://www.amd.com/en/support/tech-docs/amd64-architecture-programmers-manual-volumes-1-5 Past history and work refer v5- https://lkml.org/lkml/2022/10/27/261 Thanks, Santosh [1] https://github.com/kvm-x86/linux branch kvm-x86/next(62ef199250cd46f) Maxim Levitsky (2): KVM: nSVM: Raise event on nested VM exit if L1 doesn't intercept IRQs KVM: SVM: add wrappers to enable/disable IRET interception Santosh Shukla (5): KVM: nSVM: Disable intercept of VINTR if saved RFLAG.IF is 0 x86/cpu: Add CPUID feature bit for VNMI KVM: SVM: Add VNMI bit definition KVM: x86: add support for delayed virtual NMI injection interface KVM: nSVM: implement support for nested VNMI Sean Christopherson (3): KVM: x86: Raise an event request when processing NMIs if an NMI is pending KVM: x86: Tweak the code and comment related to handling concurrent NMIs KVM: x86: Save/restore all NMIs when multiple NMIs are pending arch/x86/include/asm/cpufeatures.h | 1 + arch/x86/include/asm/kvm-x86-ops.h | 2 + arch/x86/include/asm/kvm_host.h | 11 ++- arch/x86/include/asm/svm.h | 9 ++ arch/x86/kvm/svm/nested.c | 73 +++++++++++++- arch/x86/kvm/svm/svm.c | 152 +++++++++++++++++++++++------ arch/x86/kvm/svm/svm.h | 28 ++++++ arch/x86/kvm/x86.c | 46 +++++++-- 8 files changed, 279 insertions(+), 43 deletions(-)