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yaml --- r: 53931 b: refs/heads/master c: 3671df8 h: refs/heads/master i: 53929: f09b37d 53927: 8c9a1e0 v: v3
git-mirror · May 2, 2007 · 0fd0401 · 0fd0401
1 parent 6a473c9
commit 0fd0401
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c7f81c9453375d6416658995eafd3397cb9bba1d
+refs/heads/master: 3671df8572a299acff9c9cac2bf7279ee614d154
diff --git a/trunk/include/asm-i386/cpufeature.h b/trunk/include/asm-i386/cpufeature.h
@@ -106,8 +106,12 @@
 #define X86_FEATURE_LAHF_LM	(6*32+ 0) /* LAHF/SAHF in long mode */
 #define X86_FEATURE_CMP_LEGACY	(6*32+ 1) /* If yes HyperThreading not valid */
 
-#define cpu_has(c, bit)		test_bit(bit, (c)->x86_capability)
-#define boot_cpu_has(bit)	test_bit(bit, boot_cpu_data.x86_capability)
+#define cpu_has(c, bit)					\
+	((__builtin_constant_p(bit) && (bit) < 32 && 	\
+		(1UL << (bit)) & REQUIRED_MASK1) ?	\
+		1 : 					\
+	test_bit(bit, (c)->x86_capability))
+#define boot_cpu_has(bit)	cpu_has(&boot_cpu_data, bit)
 
 #define cpu_has_fpu		boot_cpu_has(X86_FEATURE_FPU)
 #define cpu_has_vme		boot_cpu_has(X86_FEATURE_VME)