[Qemu-devel] [PATCH v2 2/6] target-i386: print obsolete warnings if +-features are used

[Igor Mammedov <imammedo@redhat.com>]

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
 target-i386/cpu.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 947cf18..3f886a5 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -1979,9 +1979,15 @@ static void x86_cpu_parse_featurestr(CPUState *cs, char *features,
         /* Compatibility syntax: */
         if (featurestr[0] == '+') {
             add_flagname_to_bitmaps(featurestr + 1, plus_features, &local_err);
+            fprintf(stderr,
+                "'+%s' is obsolete and will be removed in future, use '%s=on'",
+                featurestr + 1, featurestr + 1);
             continue;
         } else if (featurestr[0] == '-') {
             add_flagname_to_bitmaps(featurestr + 1, minus_features, &local_err);
+            fprintf(stderr,
+                "'-%s' is obsolete and will be removed in future, use '%s=off'",
+                featurestr + 1, featurestr + 1);
             continue;
         }
 
-- 
2.7.0