On 13/12/22 01:16, Sean Christopherson wrote:
Fix a == vs. = typo in kvm_get_cpu_address_width() that results in
@pa_bits being left unset if the CPU doesn't support enumerating its
MAX_PHY_ADDR. Flagged by clang's unusued-value warning.
lib/x86_64/processor.c:1034:51: warning: expression result unused [-Wunused-value]
*pa_bits == kvm_cpu_has(X86_FEATURE_PAE) ? 36 : 32;
Fixes: 3bd396353d18 ("KVM: selftests: Add X86_FEATURE_PAE and use it calc "fallback" MAXPHYADDR")
Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
tools/testing/selftests/kvm/lib/x86_64/processor.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c
index c4d368d56cfe..acfa1d01e7df 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/processor.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c
@@ -1031,7 +1031,7 @@ bool is_amd_cpu(void)
void kvm_get_cpu_address_width(unsigned int *pa_bits, unsigned int *va_bits)
{
if (!kvm_cpu_has_p(X86_PROPERTY_MAX_PHY_ADDR)) {
- *pa_bits == kvm_cpu_has(X86_FEATURE_PAE) ? 36 : 32;
+ *pa_bits = kvm_cpu_has(X86_FEATURE_PAE) ? 36 : 32;
:)
Reviewed-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>
