[PATCH 8/9] target-i386: Use "-" instead of "_" on all feature names

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This makes the feature name tables in feature_word_info all match
the actual QOM property names we use.

This will make the command-line interface more consistent,
allowing the QOM property names to be used as "-cpu" arguments
directly.

Add extra feat2prop() calls to x86_cpu_parse_featurestr() to keep
compatibility with the old that had underscores.

Cc: Jiri Denemark <jdenemar@xxxxxxxxxx>
Cc: libvir-list@xxxxxxxxxx
Signed-off-by: Eduardo Habkost <ehabkost@xxxxxxxxxx>
---
 target-i386/cpu.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 309ef55..e7365d1 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -187,7 +187,7 @@ static const char *feature_name[] = {
 };
 static const char *ext_feature_name[] = {
     "pni|sse3" /* Intel,AMD sse3 */, "pclmulqdq|pclmuldq", "dtes64", "monitor",
-    "ds_cpl", "vmx", "smx", "est",
+    "ds-cpl", "vmx", "smx", "est",
     "tm2", "ssse3", "cid", NULL,
     "fma", "cx16", "xtpr", "pdcm",
     NULL, "pcid", "dca", "sse4.1|sse4_1",
@@ -207,17 +207,17 @@ static const char *ext2_feature_name[] = {
     NULL /* mtrr */, NULL /* pge */, NULL /* mca */, NULL /* cmov */,
     NULL /* pat */, NULL /* pse36 */, NULL, NULL /* Linux mp */,
     "nx|xd", NULL, "mmxext", NULL /* mmx */,
-    NULL /* fxsr */, "fxsr_opt|ffxsr", "pdpe1gb" /* AMD Page1GB */, "rdtscp",
+    NULL /* fxsr */, "fxsr-opt|ffxsr", "pdpe1gb" /* AMD Page1GB */, "rdtscp",
     NULL, "lm|i64", "3dnowext", "3dnow",
 };
 static const char *ext3_feature_name[] = {
-    "lahf_lm" /* AMD LahfSahf */, "cmp_legacy", "svm", "extapic" /* AMD ExtApicSpace */,
+    "lahf-lm" /* AMD LahfSahf */, "cmp-legacy", "svm", "extapic" /* AMD ExtApicSpace */,
     "cr8legacy" /* AMD AltMovCr8 */, "abm", "sse4a", "misalignsse",
     "3dnowprefetch", "osvw", "ibs", "xop",
     "skinit", "wdt", NULL, "lwp",
-    "fma4", "tce", NULL, "nodeid_msr",
-    NULL, "tbm", "topoext", "perfctr_core",
-    "perfctr_nb", NULL, NULL, NULL,
+    "fma4", "tce", NULL, "nodeid-msr",
+    NULL, "tbm", "topoext", "perfctr-core",
+    "perfctr-nb", NULL, NULL, NULL,
     NULL, NULL, NULL, NULL,
 };
 
@@ -233,8 +233,8 @@ static const char *ext4_feature_name[] = {
 };
 
 static const char *kvm_feature_name[] = {
-    "kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock",
-    "kvm_asyncpf", "kvm_steal_time", "kvm_pv_eoi", "kvm_pv_unhalt",
+    "kvmclock", "kvm-nopiodelay", "kvm-mmu", "kvmclock",
+    "kvm-asyncpf", "kvm-steal-time", "kvm-pv-eoi", "kvm-pv-unhalt",
     NULL, NULL, NULL, NULL,
     NULL, NULL, NULL, NULL,
     NULL, NULL, NULL, NULL,
@@ -244,9 +244,9 @@ static const char *kvm_feature_name[] = {
 };
 
 static const char *svm_feature_name[] = {
-    "npt", "lbrv", "svm_lock", "nrip_save",
-    "tsc_scale", "vmcb_clean",  "flushbyasid", "decodeassists",
-    NULL, NULL, "pause_filter", NULL,
+    "npt", "lbrv", "svm-lock", "nrip-save",
+    "tsc-scale", "vmcb-clean",  "flushbyasid", "decodeassists",
+    NULL, NULL, "pause-filter", NULL,
     "pfthreshold", NULL, NULL, NULL,
     NULL, NULL, NULL, NULL,
     NULL, NULL, NULL, NULL,
@@ -255,7 +255,7 @@ static const char *svm_feature_name[] = {
 };
 
 static const char *cpuid_7_0_ebx_feature_name[] = {
-    "fsgsbase", "tsc_adjust", NULL, "bmi1", "hle", "avx2", NULL, "smep",
+    "fsgsbase", "tsc-adjust", NULL, "bmi1", "hle", "avx2", NULL, "smep",
     "bmi2", "erms", "invpcid", "rtm", NULL, NULL, "mpx", NULL,
     "avx512f", NULL, "rdseed", "adx", "smap", NULL, "pcommit", "clflushopt",
     "clwb", NULL, "avx512pf", "avx512er", "avx512cd", NULL, NULL, NULL,
@@ -1894,8 +1894,8 @@ static PropertyInfo qdev_prop_spinlocks = {
     .set   = x86_set_hv_spinlocks,
 };
 
-/* Convert all '_' in a feature string option name to '-', to make feature
- * name conform to QOM property naming rule, which uses '-' instead of '_'.
+/* Convert all '_' in a feature string option name to '-', to keep compatibility
+ * with old feature names that used "_" instead of "-".
  */
 static inline void feat2prop(char *s)
 {
@@ -1925,8 +1925,10 @@ static void x86_cpu_parse_featurestr(CPUState *cs, char *features,
     while (featurestr) {
         char *val;
         if (featurestr[0] == '+') {
+            feat2prop(featurestr);
             add_flagname_to_bitmaps(featurestr + 1, plus_features, &local_err);
         } else if (featurestr[0] == '-') {
+            feat2prop(featurestr);
             add_flagname_to_bitmaps(featurestr + 1, minus_features, &local_err);
         } else if ((val = strchr(featurestr, '='))) {
             *val = 0; val++;
@@ -3137,11 +3139,9 @@ static void x86_cpu_register_feature_bit_props(X86CPU *cpu,
 
     names = g_strsplit(fi->feat_names[bitnr], "|", 0);
 
-    feat2prop(names[0]);
     x86_cpu_register_bit_prop(cpu, names[0], &cpu->env.features[w], bitnr);
 
     for (i = 1; names[i]; i++) {
-        feat2prop(names[i]);
         object_property_add_alias(obj, names[i], obj, names[0],
                                   &error_abort);
     }
-- 
2.5.5

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