X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-x86%2Fprocessor_64.h;h=e4f19970a82b8bd9ac6de525dccbe8b662c7d3ab;hb=ff1ea52fa317a5658b6415b25169c5e531f54876;hp=31f579b828f232de4789f515b3aa5c1d633e46a1;hpb=ecaedfa385a6df297e17d6e9f296cc63f12c053f;p=linux-2.6

diff --git a/include/asm-x86/processor_64.h b/include/asm-x86/processor_64.h
index 31f579b828..e4f19970a8 100644
--- a/include/asm-x86/processor_64.h
+++ b/include/asm-x86/processor_64.h
@@ -74,6 +74,7 @@ struct cpuinfo_x86 {
 	__u8	booted_cores;	/* number of cores as seen by OS */
 	__u8	phys_proc_id;	/* Physical Processor id. */
 	__u8	cpu_core_id;	/* Core id. */
+	__u8	cpu_index;	/* index into per_cpu list */
 #endif
 } ____cacheline_aligned;
 
@@ -88,11 +89,12 @@ struct cpuinfo_x86 {
 #define X86_VENDOR_UNKNOWN 0xff
 
 #ifdef CONFIG_SMP
-extern struct cpuinfo_x86 cpu_data[];
-#define current_cpu_data cpu_data[smp_processor_id()]
+DECLARE_PER_CPU(struct cpuinfo_x86, cpu_info);
+#define cpu_data(cpu)		per_cpu(cpu_info, cpu)
+#define current_cpu_data	cpu_data(smp_processor_id())
 #else
-#define cpu_data (&boot_cpu_data)
-#define current_cpu_data boot_cpu_data
+#define cpu_data(cpu)		boot_cpu_data
+#define current_cpu_data	boot_cpu_data
 #endif
 
 extern char ignore_irq13;
@@ -334,6 +336,16 @@ struct extended_sigtable {
 };
 
 
+#if defined(CONFIG_MPSC) || defined(CONFIG_MCORE2)
+#define ASM_NOP1 P6_NOP1
+#define ASM_NOP2 P6_NOP2
+#define ASM_NOP3 P6_NOP3
+#define ASM_NOP4 P6_NOP4
+#define ASM_NOP5 P6_NOP5
+#define ASM_NOP6 P6_NOP6
+#define ASM_NOP7 P6_NOP7
+#define ASM_NOP8 P6_NOP8
+#else
 #define ASM_NOP1 K8_NOP1
 #define ASM_NOP2 K8_NOP2
 #define ASM_NOP3 K8_NOP3
@@ -342,6 +354,7 @@ struct extended_sigtable {
 #define ASM_NOP6 K8_NOP6
 #define ASM_NOP7 K8_NOP7
 #define ASM_NOP8 K8_NOP8
+#endif
 
 /* Opteron nops */
 #define K8_NOP1 ".byte 0x90\n"
@@ -353,6 +366,17 @@ struct extended_sigtable {
 #define K8_NOP7	K8_NOP4 K8_NOP3
 #define K8_NOP8	K8_NOP4 K8_NOP4
 
+/* P6 nops */
+/* uses eax dependencies (Intel-recommended choice) */
+#define P6_NOP1	".byte 0x90\n"
+#define P6_NOP2	".byte 0x66,0x90\n"
+#define P6_NOP3	".byte 0x0f,0x1f,0x00\n"
+#define P6_NOP4	".byte 0x0f,0x1f,0x40,0\n"
+#define P6_NOP5	".byte 0x0f,0x1f,0x44,0x00,0\n"
+#define P6_NOP6	".byte 0x66,0x0f,0x1f,0x44,0x00,0\n"
+#define P6_NOP7	".byte 0x0f,0x1f,0x80,0,0,0,0\n"
+#define P6_NOP8	".byte 0x0f,0x1f,0x84,0x00,0,0,0,0\n"
+
 #define ASM_NOP_MAX 8
 
 /* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
@@ -368,12 +392,6 @@ static inline void sync_core(void)
 	asm volatile("cpuid" : "=a" (tmp) : "0" (1) : "ebx","ecx","edx","memory");
 } 
 
-#define ARCH_HAS_PREFETCH
-static inline void prefetch(void *x) 
-{ 
-	asm volatile("prefetcht0 (%0)" :: "r" (x));
-} 
-
 #define ARCH_HAS_PREFETCHW 1
 static inline void prefetchw(void *x) 
 { 
@@ -389,11 +407,6 @@ static inline void prefetchw(void *x)
 
 #define cpu_relax()   rep_nop()
 
-static inline void serialize_cpu(void)
-{
-	__asm__ __volatile__ ("cpuid" : : : "ax", "bx", "cx", "dx");
-}
-
 static inline void __monitor(const void *eax, unsigned long ecx,
 		unsigned long edx)
 {