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| author |   Peter Gonda <pgonda@google.com> | 2024-02-22 16:42:53 -0800 |
|---|---|---|
| committer |   Sean Christopherson <seanjc@google.com> | 2024-02-28 20:58:13 +0000 |
| commit | 31e00dae72fda939a084cda86b068ac9c302a2d3 (patch) | |
| tree | b3705e3ea4095c8f5cc99d5090613bc2332cd57b /tools/testing/selftests/kvm/lib/ucall_common.c | |
| parent | KVM: selftests: Add support for protected vm_vaddr_* allocations (diff) | |
| download | wireguard-linux-31e00dae72fda939a084cda86b068ac9c302a2d3.tar.xz wireguard-linux-31e00dae72fda939a084cda86b068ac9c302a2d3.zip | |
KVM: selftests: Explicitly ucall pool from shared memory
Allocate the common ucall pool using vm_vaddr_alloc_shared() so that the
ucall structures will be placed in shared (unencrypted) memory for VMs
with support for protected (encrypted) memory, e.g. x86's SEV.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Vishal Annapurve <vannapurve@google.com>
Cc: Ackerly Tng <ackerleytng@google.com>
cc: Andrew Jones <andrew.jones@linux.dev>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Michael Roth <michael.roth@amd.com>
Tested-by: Carlos Bilbao <carlos.bilbao@amd.com>
Signed-off-by: Peter Gonda <pgonda@google.com>
[sean: massage changelog]
Link: https://lore.kernel.org/r/20240223004258.3104051-7-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'tools/testing/selftests/kvm/lib/ucall_common.c')
| -rw-r--r-- | tools/testing/selftests/kvm/lib/ucall_common.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/testing/selftests/kvm/lib/ucall_common.c b/tools/testing/selftests/kvm/lib/ucall_common.c index 816a3fa109bf..f5af65a41c29 100644 --- a/tools/testing/selftests/kvm/lib/ucall_common.c +++ b/tools/testing/selftests/kvm/lib/ucall_common.c @@ -29,7 +29,8 @@ void ucall_init(struct kvm_vm *vm, vm_paddr_t mmio_gpa) vm_vaddr_t vaddr; int i; - vaddr = __vm_vaddr_alloc(vm, sizeof(*hdr), KVM_UTIL_MIN_VADDR, MEM_REGION_DATA); + vaddr = vm_vaddr_alloc_shared(vm, sizeof(*hdr), KVM_UTIL_MIN_VADDR, + MEM_REGION_DATA); hdr = (struct ucall_header *)addr_gva2hva(vm, vaddr); memset(hdr, 0, sizeof(*hdr)); |