X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-x86_64%2Fsmp.h;h=fe523e3e2ff42cceeb9388a17557ab8168a0b1d9;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=e82b6a9884fbaaf271bfed5cf3aa8286f696f2a5;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/include/asm-x86_64/smp.h b/include/asm-x86_64/smp.h
index e82b6a988..fe523e3e2 100644
--- a/include/asm-x86_64/smp.h
+++ b/include/asm-x86_64/smp.h
@@ -47,8 +47,8 @@ extern void smp_invalidate_rcv(void);		/* Process an NMI */
 extern void (*mtrr_hook) (void);
 extern void zap_low_mappings(void);
 void smp_stop_cpu(void);
-extern char cpu_sibling_map[];
-extern char phys_proc_id[NR_CPUS];
+extern cpumask_t cpu_sibling_map[NR_CPUS];
+extern u8 phys_proc_id[NR_CPUS];
 
 #define SMP_TRAMPOLINE_BASE 0x6000
 
@@ -59,15 +59,15 @@ extern char phys_proc_id[NR_CPUS];
  */
 
 extern cpumask_t cpu_callout_map;
+extern cpumask_t cpu_callin_map;
 #define cpu_possible_map cpu_callout_map
-#define cpu_online(cpu) cpu_isset(cpu, cpu_online_map)
 
 static inline int num_booting_cpus(void)
 {
 	return cpus_weight(cpu_callout_map);
 }
 
-#define smp_processor_id() read_pda(cpunumber)
+#define __smp_processor_id() read_pda(cpunumber)
 
 extern __inline int hard_smp_processor_id(void)
 {
@@ -75,14 +75,29 @@ extern __inline int hard_smp_processor_id(void)
 	return GET_APIC_ID(*(unsigned int *)(APIC_BASE+APIC_ID));
 }
 
+#define safe_smp_processor_id() (disable_apic ? 0 : x86_apicid_to_cpu(hard_smp_processor_id()))
+
+#endif /* !ASSEMBLY */
+
+#define NO_PROC_ID		0xFF		/* No processor magic marker */
+
+#endif
+
+#ifndef ASSEMBLY
 /*
  * Some lowlevel functions might want to know about
  * the real APIC ID <-> CPU # mapping.
- * AK: why is this volatile?
  */
-extern volatile char x86_cpu_to_apicid[NR_CPUS];
+extern u8 x86_cpu_to_apicid[NR_CPUS];	/* physical ID */
+extern u8 x86_cpu_to_log_apicid[NR_CPUS];
+extern u8 bios_cpu_apicid[];
+
+static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
+{
+	return cpus_addr(cpumask)[0];
+}
 
-static inline char x86_apicid_to_cpu(char apicid)
+static inline int x86_apicid_to_cpu(u8 apicid)
 {
 	int i;
 
@@ -90,13 +105,14 @@ static inline char x86_apicid_to_cpu(char apicid)
 		if (x86_cpu_to_apicid[i] == apicid)
 			return i;
 
+	/* No entries in x86_cpu_to_apicid?  Either no MPS|ACPI,
+	 * or called too early.  Either way, we must be CPU 0. */
+      	if (x86_cpu_to_apicid[0] == BAD_APICID)
+		return 0;
+
 	return -1;
 }
 
-#define safe_smp_processor_id() (disable_apic ? 0 : x86_apicid_to_cpu(hard_smp_processor_id()))
-
-extern u8 bios_cpu_apicid[];
-
 static inline int cpu_present_to_apicid(int mps_cpu)
 {
 	if (mps_cpu < NR_CPUS)
@@ -105,22 +121,8 @@ static inline int cpu_present_to_apicid(int mps_cpu)
 		return BAD_APICID;
 }
 
-#define cpu_online(cpu) cpu_isset(cpu, cpu_online_map)
 #endif /* !ASSEMBLY */
 
-#define NO_PROC_ID		0xFF		/* No processor magic marker */
-
-#endif
-#define INT_DELIVERY_MODE 1     /* logical delivery */
-#define TARGET_CPUS 1
-
-#ifndef ASSEMBLY
-static inline unsigned int cpu_mask_to_apicid(cpumask_const_t cpumask)
-{
-	return cpus_coerce_const(cpumask);
-}
-#endif
-
 #ifndef CONFIG_SMP
 #define stack_smp_processor_id() 0
 #define safe_smp_processor_id() 0
@@ -135,5 +137,13 @@ static inline unsigned int cpu_mask_to_apicid(cpumask_const_t cpumask)
 })
 #endif
 
+#ifndef __ASSEMBLY__
+static __inline int logical_smp_processor_id(void)
+{
+	/* we don't want to mark this access volatile - bad code generation */
+	return GET_APIC_LOGICAL_ID(*(unsigned long *)(APIC_BASE+APIC_LDR));
+}
+#endif
+
 #endif