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authorMichael S. Tsirkin <mst@redhat.com>2022-01-25 14:17:33 -0500
committerMichael S. Tsirkin <mst@redhat.com>2022-02-04 09:07:43 -0500
commit2a728de1fff4b9ceede039d078e5e33ff71908f1 (patch)
treef84b48e332a784d3f182912e9717695af6dc7d52
parent8f3e5ce773c62bb5c4a847f3a9a5c98bbb3b359f (diff)
downloadfocaccia-qemu-2a728de1fff4b9ceede039d078e5e33ff71908f1.tar.gz
focaccia-qemu-2a728de1fff4b9ceede039d078e5e33ff71908f1.zip
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>
-rwxr-xr-xconfigure2
-rw-r--r--tcg/i386/tcg-target.c.inc2
-rw-r--r--util/bufferiszero.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/configure b/configure
index e6cfc0e4be..dfb9019b24 100755
--- a/configure
+++ b/configure
@@ -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);
diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc
index 875311f795..4dab09f265 100644
--- a/tcg/i386/tcg-target.c.inc
+++ b/tcg/i386/tcg-target.c.inc
@@ -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.  */
diff --git a/util/bufferiszero.c b/util/bufferiszero.c
index 695bb4ce28..ec3cd4ca15 100644
--- a/util/bufferiszero.c
+++ b/util/bufferiszero.c
@@ -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;