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Peter Anvin" , Krish Sadhukhan , Peter Gonda Subject: [PATCH v2 06/13] KVM: selftests: ensure ucall_shared_alloc() allocates shared memory Date: Thu, 16 Dec 2021 11:13:51 -0600 Message-ID: <20211216171358.61140-7-michael.roth@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211216171358.61140-1-michael.roth@amd.com> References: <20211216171358.61140-1-michael.roth@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB03.amd.com (10.181.40.144) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 7b8eb254-5d27-4b14-9242-08d9c0b81164 X-MS-TrafficTypeDiagnostic: MN2PR12MB4470:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5236; 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:SATLEXMB03.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(4636009)(36840700001)(46966006)(40470700001)(70586007)(36756003)(186003)(2616005)(8676002)(47076005)(6666004)(44832011)(54906003)(16526019)(2906002)(316002)(4326008)(36860700001)(7416002)(5660300002)(6916009)(508600001)(1076003)(70206006)(26005)(86362001)(356005)(81166007)(82310400004)(40460700001)(426003)(336012)(8936002)(83380400001)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Dec 2021 17:18:24.6358 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7b8eb254-5d27-4b14-9242-08d9c0b81164 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=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT066.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4470 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Now that vm_vaddr_alloc() allocates encrypted/private guest memory by default for confidential guests, ucall_shared_alloc() needs to be switched over to using the new vm_vaddr_alloc_shared() function to ensure that shared memory is used for the allocation. Signed-off-by: Michael Roth --- tools/testing/selftests/kvm/lib/ucall_common.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/kvm/lib/ucall_common.c b/tools/testing/selftests/kvm/lib/ucall_common.c index 8e5738241a7c..54c6c159dcd5 100644 --- a/tools/testing/selftests/kvm/lib/ucall_common.c +++ b/tools/testing/selftests/kvm/lib/ucall_common.c @@ -97,8 +97,8 @@ uint64_t get_ucall(struct kvm_vm *vm, uint32_t vcpu_id, struct ucall *uc) /* Allocate shared memory within a guest to for a shared ucall buffer. */ vm_vaddr_t ucall_shared_alloc(struct kvm_vm *vm, int count) { - return vm_vaddr_alloc(vm, count * sizeof(struct ucall), - vm_get_page_size(vm)); + return vm_vaddr_alloc_shared(vm, count * sizeof(struct ucall), + vm_get_page_size(vm)); } /*