Use cpuid() to get CPUID.0x0 in cpu_vendor_string_is(), thus eliminating
the last open coded usage of CPUID (ignoring debug_regs.c, which emits
CPUID from the guest to trigger a VM-Exit and doesn't actually care about
the results of CPUID).
Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
tools/testing/selftests/kvm/lib/x86_64/processor.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c
index 6e8c8781996c..5cb73b2f9978 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/processor.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c
@@ -1012,15 +1012,9 @@ void kvm_x86_state_cleanup(struct kvm_x86_state *state)
static bool cpu_vendor_string_is(const char *vendor)
{
const uint32_t *chunk = (const uint32_t *)vendor;
- int eax, ebx, ecx, edx;
- const int leaf = 0;
-
- __asm__ __volatile__(
- "cpuid"
- : /* output */ "=a"(eax), "=b"(ebx),
- "=c"(ecx), "=d"(edx)
- : /* input */ "0"(leaf), "2"(0));
+ uint32_t eax, ebx, ecx, edx;
+ cpuid(0, &eax, &ebx, &ecx, &edx);
return (ebx == chunk[0] && edx == chunk[1] && ecx == chunk[2]);
}
--
2.36.1.255.ge46751e96f-goog
