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Thu, 14 Apr 2022 00:12:06 -0500 From: Suravee Suthikulpanit To: , CC: , , , , , , , Suravee Suthikulpanit Subject: [PATCH 0/2] KVM: SVM: Optimize AVIC incomplete IPI #vmexit handling Date: Thu, 14 Apr 2022 00:11:49 -0500 Message-ID: <20220414051151.77710-1-suravee.suthikulpanit@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 4053e6af-1fd0-4cae-5f5d-08da1dd552dd X-MS-TrafficTypeDiagnostic: MN0PR12MB5739:EE_ X-Microsoft-Antispam-PRVS: 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:(13230001)(4636009)(40470700004)(46966006)(36840700001)(356005)(86362001)(5660300002)(81166007)(4744005)(44832011)(8936002)(6666004)(26005)(2616005)(2906002)(40460700003)(83380400001)(316002)(47076005)(1076003)(7696005)(426003)(16526019)(186003)(336012)(110136005)(54906003)(36860700001)(70206006)(70586007)(8676002)(4326008)(82310400005)(508600001)(36756003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Apr 2022 05:12:07.9950 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4053e6af-1fd0-4cae-5f5d-08da1dd552dd X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT051.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB5739 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series introduce a fast-path when handling AVIC incomplete IPI #vmexit for AVIC and x2AVIC, and introduce a new tracepoint for the slow-path processing. Please note that the prereq of this series is: [PATCH v2 00/12] Introducing AMD x2APIC Virtualization (x2AVIC) support (https://lore.kernel.org/lkml/20220412115822.14351-2-suravee.suthikulpanit@amd.com/T/) Regards, Suravee Suravee Suthikulpanit (2): KVM: SVM: Introduce avic_kick_target_vcpus_fast() KVM: SVM: Introduce trace point for the slow-path of avic_kic_target_vcpus arch/x86/kvm/svm/avic.c | 93 +++++++++++++++++++++++++++++++++++++++-- arch/x86/kvm/trace.h | 20 +++++++++ arch/x86/kvm/x86.c | 1 + 3 files changed, 110 insertions(+), 4 deletions(-) -- 2.25.1