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Re: [Qemu-devel] [PATCH 01/22] target-i386: return Error from cpu_x86_fi


From: Don Slutz
Subject: Re: [Qemu-devel] [PATCH 01/22] target-i386: return Error from cpu_x86_find_by_name()
Date: Tue, 11 Sep 2012 15:41:30 -0400
User-agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:15.0) Gecko/20120824 Thunderbird/15.0

On 09/07/12 16:54, Igor Mammedov wrote:
it will allow to use property setters there later.

Signed-off-by: Igor Mammedov <address@hidden>
--
v2:
     style change, add braces (reqested by Blue Swirl)
---
  target-i386/cpu.c | 19 ++++++++++++++++---
  1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index ac12139..a89bdc4 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -1086,7 +1086,8 @@ static void x86_cpuid_set_tsc_freq(Object *obj, Visitor 
*v, void *opaque,
      cpu->env.tsc_khz = value / 1000;
  }
-static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, const char *cpu_model)
+static int cpu_x86_find_by_name(X86CPU *cpu, x86_def_t *x86_cpu_def,
+                                const char *cpu_model, Error **errp)
  {
      unsigned int i;
      x86_def_t *def;
@@ -1241,6 +1242,11 @@ static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, 
const char *cpu_model)
              fprintf(stderr, "feature string `%s' not in format 
(+feature|-feature|feature=xyz)\n", featurestr);
              goto error;
          }
+
+        if (error_is_set(errp)) {
+            goto error;
+        }
+
          featurestr = strtok(NULL, ",");
      }
      x86_cpu_def->features |= plus_features;
@@ -1264,6 +1270,9 @@ static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, 
const char *cpu_model)
error:
      g_free(s);
+    if (!error_is_set(errp)) {
+        error_set(errp, QERR_INVALID_PARAMETER_COMBINATION);
+    }
      return -1;
  }
@@ -1350,8 +1359,10 @@ int cpu_x86_register(X86CPU *cpu, const char *cpu_model) memset(def, 0, sizeof(*def)); - if (cpu_x86_find_by_name(def, cpu_model) < 0)
-        return -1;
+    if (cpu_x86_find_by_name(cpu, def, cpu_model, &error) < 0) {
+        goto out;
+    }
+
      if (def->vendor1) {
          env->cpuid_vendor1 = def->vendor1;
          env->cpuid_vendor2 = def->vendor2;
@@ -1401,6 +1412,8 @@ int cpu_x86_register(X86CPU *cpu, const char *cpu_model)
          env->cpuid_svm_features &= TCG_SVM_FEATURES;
      }
      object_property_set_str(OBJECT(cpu), def->model_id, "model-id", &error);
+
+out:
      if (error_is_set(&error)) {
          error_free(error);
          return -1;
Reviewed-by: Don Slutz <address@hidden>



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