[V3 PATCH 1/8] KVM: selftests: private_mem: Use native hypercall

From: Vishal Annapurve
Date: Thu Dec 22 2022 - 19:14:08 EST


CVMs need to execute hypercalls as per the cpu type without relying on
KVM emulation.

Execute hypercall from the guest using native instructions.

Signed-off-by: Vishal Annapurve <vannapurve@xxxxxxxxxx>
---
tools/testing/selftests/kvm/lib/x86_64/private_mem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/kvm/lib/x86_64/private_mem.c b/tools/testing/selftests/kvm/lib/x86_64/private_mem.c
index 2b97fc34ec4a..5a8fd8c3bc04 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/private_mem.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/private_mem.c
@@ -24,7 +24,7 @@
static inline uint64_t __kvm_hypercall_map_gpa_range(uint64_t gpa, uint64_t size,
uint64_t flags)
{
- return kvm_hypercall(KVM_HC_MAP_GPA_RANGE, gpa, size >> PAGE_SHIFT, flags, 0);
+ return kvm_native_hypercall(KVM_HC_MAP_GPA_RANGE, gpa, size >> PAGE_SHIFT, flags, 0);
}

static inline void kvm_hypercall_map_gpa_range(uint64_t gpa, uint64_t size,
--
2.39.0.314.g84b9a713c41-goog