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cpuid: use unsigned for max cpuid 

__get_cpuid_max returns an unsigned value.
For consistency, store the result in an unsigned variable.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Michael S. Tsirkin 2022-01-25 14:17:33 -05:00
parent 8f3e5ce773
commit 2a728de1ff
3 changed files with 3 additions and 3 deletions
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2
configure vendored
View File

@ -2768,7 +2768,7 @@ cat > $TMPC << EOF
#include <cpuid.h>
int main(void) {
unsigned a, b, c, d;
int max = __get_cpuid_max(0, 0);
unsigned max = __get_cpuid_max(0, 0);
if (max >= 1) {
__cpuid(1, a, b, c, d);

2
tcg/i386/tcg-target.c.inc
View File

@ -3747,7 +3747,7 @@ static void tcg_target_init(TCGContext *s)
{
#ifdef CONFIG_CPUID_H
unsigned a, b, c, d, b7 = 0;
int max = __get_cpuid_max(0, 0);
unsigned max = __get_cpuid_max(0, 0);
if (max >= 7) {
/* BMI1 is available on AMD Piledriver and Intel Haswell CPUs. */

2
util/bufferiszero.c
View File

@ -272,7 +272,7 @@ static void init_accel(unsigned cache)
static void __attribute__((constructor)) init_cpuid_cache(void)
{
int max = __get_cpuid_max(0, NULL);
unsigned max = __get_cpuid_max(0, NULL);
int a, b, c, d;
unsigned cache = 0;