In x86_cpu_filter_features(), if host doesn't support AVX10, the
configured avx10_version should be marked as filtered regardless of
whether prefix is NULL or not.

Check prefix before warn_report() instead of checking for
have_filtered_features.

Cc: qemu-stable@nongnu.org
Fixes: commit bccfb846fd52 ("target/i386: add AVX10 feature and AVX10 version property")
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
---
v5: new commit.
---
 target/i386/cpu.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 3baa95481fbc..77c1233daa13 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -7711,8 +7711,10 @@ static bool x86_cpu_filter_features(X86CPU *cpu, bool verbose)
             env->avx10_version = version;
             have_filtered_features = true;
         }
-    } else if (env->avx10_version && prefix) {
-        warn_report("%s: avx10.%d.", prefix, env->avx10_version);
+    } else if (env->avx10_version) {
+        if (prefix) {
+            warn_report("%s: avx10.%d.", prefix, env->avx10_version);
+        }
         have_filtered_features = true;
     }
 
-- 
2.34.1

On Wed, Nov 06, 2024 at 11:07:18AM +0800, Zhao Liu wrote:
> In x86_cpu_filter_features(), if host doesn't support AVX10, the
> configured avx10_version should be marked as filtered regardless of
> whether prefix is NULL or not.
> 
> Check prefix before warn_report() instead of checking for
> have_filtered_features.
> 
> Cc: qemu-stable@nongnu.org
> Fixes: commit bccfb846fd52 ("target/i386: add AVX10 feature and AVX10 version property")
> Signed-off-by: Zhao Liu <zhao1.liu@intel.com>

Reviewed-by: Tao Su <tao1.su@linux.intel.com>

> ---
> v5: new commit.
> ---
>  target/i386/cpu.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/target/i386/cpu.c b/target/i386/cpu.c
> index 3baa95481fbc..77c1233daa13 100644
> --- a/target/i386/cpu.c
> +++ b/target/i386/cpu.c
> @@ -7711,8 +7711,10 @@ static bool x86_cpu_filter_features(X86CPU *cpu, bool verbose)
>              env->avx10_version = version;
>              have_filtered_features = true;
>          }
> -    } else if (env->avx10_version && prefix) {
> -        warn_report("%s: avx10.%d.", prefix, env->avx10_version);
> +    } else if (env->avx10_version) {
> +        if (prefix) {
> +            warn_report("%s: avx10.%d.", prefix, env->avx10_version);
> +        }
>          have_filtered_features = true;
>      }
>  
> -- 
> 2.34.1
>