Update the per VM ucall_header allocation from vm_vaddr_alloc() to vm_vaddr_alloc_shared(). This allows encrypted guests to use ucall pools by placing their shared ucall structures in unencrypted (shared) memory. No behavior change for non encrypted guests. Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx> Cc: Sean Christopherson <seanjc@xxxxxxxxxx> Cc: Vishal Annapurve <vannapurve@xxxxxxxxxx> Cc: Ackerly Tng <ackerleytng@xxxxxxxxxx> cc: Andrew Jones <andrew.jones@xxxxxxxxx> Cc: Tom Lendacky <thomas.lendacky@xxxxxxx> Cc: Michael Roth <michael.roth@xxxxxxx> Signed-off-by: Peter Gonda <pgonda@xxxxxxxxxx> --- tools/testing/selftests/kvm/lib/ucall_common.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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)); -- 2.43.0.472.g3155946c3a-goog
