Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / x86 / include / asm / cpufeature.h

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 6ce4798..398f7cb 100644 (file)
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -9,6 +9,7 @@
 #endif
 
 #define NCAPINTS       10      /* N 32-bit words worth of info */
+#define NBUGINTS       1       /* N 32-bit bug flags */
 
 /*
  * Note: If the comment begins with a quoted string, that string is used
@@ -218,6 +219,17 @@
 #define X86_FEATURE_ADX                (9*32+19) /* The ADCX and ADOX instructions */
 #define X86_FEATURE_SMAP       (9*32+20) /* Supervisor Mode Access Prevention */
 
+/*
+ * BUG word(s)
+ */
+#define X86_BUG(x)             (NCAPINTS*32 + (x))
+
+#define X86_BUG_F00F           X86_BUG(0) /* Intel F00F */
+#define X86_BUG_FDIV           X86_BUG(1) /* FPU FDIV */
+#define X86_BUG_COMA           X86_BUG(2) /* Cyrix 6x86 coma */
+#define X86_BUG_AMD_TLB_MMATCH X86_BUG(3) /* AMD Erratum 383 */
+#define X86_BUG_AMD_APIC_C1E   X86_BUG(4) /* AMD Erratum 400 */
+
 #if defined(__KERNEL__) && !defined(__ASSEMBLY__)
 
 #include <asm/asm.h>
@@ -404,6 +416,13 @@ static __always_inline __pure bool __static_cpu_has(u16 bit)
 #define static_cpu_has(bit) boot_cpu_has(bit)
 #endif
 
+#define cpu_has_bug(c, bit)    cpu_has(c, (bit))
+#define set_cpu_bug(c, bit)    set_cpu_cap(c, (bit))
+#define clear_cpu_bug(c, bit)  clear_cpu_cap(c, (bit));
+
+#define static_cpu_has_bug(bit)        static_cpu_has((bit))
+#define boot_cpu_has_bug(bit)  cpu_has_bug(&boot_cpu_data, (bit))
+
 #endif /* defined(__KERNEL__) && !defined(__ASSEMBLY__) */
 
 #endif /* _ASM_X86_CPUFEATURE_H */