nVMX: Use setup_dummy_ept() to configure EPT for test_ept_eptp() test
Use setup_dummy_ept() instead of open coding a rough equivalent in
test_ept_eptp().
Link: https://lore.kernel.org/r/20230911182013.333559-3-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
diff --git a/x86/vmx_tests.c b/x86/vmx_tests.c
index c4d5c5f..7eb0d11 100644
--- a/x86/vmx_tests.c
+++ b/x86/vmx_tests.c
@@ -4658,28 +4658,17 @@
u32 primary_saved = vmcs_read(CPU_EXEC_CTRL0);
u32 secondary_saved = vmcs_read(CPU_EXEC_CTRL1);
u64 eptp_saved = vmcs_read(EPTP);
- u32 primary = primary_saved;
- u32 secondary = secondary_saved;
- u64 eptp = eptp_saved;
+ u32 secondary;
+ u64 eptp;
u32 i, maxphysaddr;
u64 j, resv_bits_mask = 0;
- if (!((ctrl_cpu_rev[0].clr & CPU_SECONDARY) &&
- (ctrl_cpu_rev[1].clr & CPU_EPT))) {
- report_skip("%s : \"CPU secondary\" and/or \"enable EPT\" exec control not supported", __func__);
- return;
- }
-
- /* Support for 4-level EPT is mandatory. */
report(is_4_level_ept_supported(), "4-level EPT support check");
- primary |= CPU_SECONDARY;
- vmcs_write(CPU_EXEC_CTRL0, primary);
- secondary |= CPU_EPT;
- vmcs_write(CPU_EXEC_CTRL1, secondary);
- eptp = (eptp & ~EPTP_PG_WALK_LEN_MASK) |
- (3ul << EPTP_PG_WALK_LEN_SHIFT);
- vmcs_write(EPTP, eptp);
+ setup_dummy_ept();
+
+ secondary = vmcs_read(CPU_EXEC_CTRL1);
+ eptp = vmcs_read(EPTP);
for (i = 0; i < 8; i++) {
eptp = (eptp & ~EPT_MEM_TYPE_MASK) | i;
