---

yaml --- r: 109653 b: refs/heads/master c: f31d731 h: refs/heads/master i: 109651: 98881e4 v: v3
git-mirror · Sep 5, 2008 · 07e9a30 · 07e9a30
1 parent e287ede
commit 07e9a30
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Showing 2 changed files with 14 additions and 24 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b6734c35af028f06772c0b2c836c7d579e6d4dad
+refs/heads/master: f31d731e4467e61de51d7f6d7115f3b712d9354c
diff --git a/trunk/arch/x86/kernel/alternative.c b/trunk/arch/x86/kernel/alternative.c
@@ -145,35 +145,25 @@ static const unsigned char *const p6_nops[ASM_NOP_MAX+1] = {
 extern char __vsyscall_0;
 const unsigned char *const *find_nop_table(void)
 {
-	return boot_cpu_data.x86_vendor != X86_VENDOR_INTEL ||
-	       boot_cpu_data.x86 < 6 ? k8_nops : p6_nops;
+	if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
+	    boot_cpu_has(X86_FEATURE_NOPL))
+		return p6_nops;
+	else
+		return k8_nops;
 }
 
 #else /* CONFIG_X86_64 */
 
-static const struct nop {
-	int cpuid;
-	const unsigned char *const *noptable;
-} noptypes[] = {
-	{ X86_FEATURE_K8, k8_nops },
-	{ X86_FEATURE_K7, k7_nops },
-	{ X86_FEATURE_P4, p6_nops },
-	{ X86_FEATURE_P3, p6_nops },
-	{ -1, NULL }
-};
-
 const unsigned char *const *find_nop_table(void)
 {
-	const unsigned char *const *noptable = intel_nops;
-	int i;
-
-	for (i = 0; noptypes[i].cpuid >= 0; i++) {
-		if (boot_cpu_has(noptypes[i].cpuid)) {
-			noptable = noptypes[i].noptable;
-			break;
-		}
-	}
-	return noptable;
+	if (boot_cpu_has(X86_FEATURE_K8))
+		return k8_nops;
+	else if (boot_cpu_has(X86_FEATURE_K7))
+		return k7_nops;
+	else if (boot_cpu_has(X86_FEATURE_NOPL))
+		return p6_nops;
+	else
+		return intel_nops;
 }
 
 #endif /* CONFIG_X86_64 */