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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Sep 2025 05:10:48.2971 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0f4f6a92-80c6-42d1-7dcb-08ddfa5f8ef1 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=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CH2PEPF0000014A.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB7764 Content-Type: text/plain; charset="utf-8" From: Peter Gonda Add a shared page allocation. To be used for SEV-ES GHCBs. Cc: Vishal Annapurve Cc: Ackerley Tng Cc: Paolo Bonzini Cc: Claudio Imbrenda Cc: Sean Christopherson Cc: Carlos Bilbao Cc: Tom Lendacky Cc: Michael Roth Cc: kvm@vger.kernel.org Cc: linux-kselftest@vger.kernel.org Signed-off-by: Peter Gonda Signed-off-by: Neeraj Upadhyay --- tools/testing/selftests/kvm/include/kvm_util.h | 1 + tools/testing/selftests/kvm/lib/kvm_util.c | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing= /selftests/kvm/include/kvm_util.h index 1a9764658eb9..2e27682c5077 100644 --- a/tools/testing/selftests/kvm/include/kvm_util.h +++ b/tools/testing/selftests/kvm/include/kvm_util.h @@ -696,6 +696,7 @@ vm_vaddr_t vm_vaddr_alloc_shared(struct kvm_vm *vm, siz= e_t sz, vm_vaddr_t vaddr_min, enum kvm_mem_region_type type); vm_vaddr_t vm_vaddr_alloc_pages(struct kvm_vm *vm, int nr_pages); +vm_vaddr_t vm_vaddr_alloc_pages_shared(struct kvm_vm *vm, int nr_pages); vm_vaddr_t __vm_vaddr_alloc_page(struct kvm_vm *vm, enum kvm_mem_region_type type); vm_vaddr_t vm_vaddr_alloc_page(struct kvm_vm *vm); diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/sel= ftests/kvm/lib/kvm_util.c index a3b16793b2fd..00317ce5dbb9 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -1562,6 +1562,12 @@ vm_vaddr_t vm_vaddr_alloc_pages(struct kvm_vm *vm, i= nt nr_pages) return vm_vaddr_alloc(vm, nr_pages * getpagesize(), KVM_UTIL_MIN_VADDR); } =20 +vm_vaddr_t vm_vaddr_alloc_pages_shared(struct kvm_vm *vm, int nr_pages) +{ + return vm_vaddr_alloc_shared(vm, nr_pages * getpagesize(), + KVM_UTIL_MIN_VADDR, MEM_REGION_TEST_DATA); +} + vm_vaddr_t __vm_vaddr_alloc_page(struct kvm_vm *vm, enum kvm_mem_region_ty= pe type) { return __vm_vaddr_alloc(vm, getpagesize(), KVM_UTIL_MIN_VADDR, type); --=20 2.34.1