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Diffstat (limited to 'arch/powerpc/include/asm/smp.h')
-rw-r--r--arch/powerpc/include/asm/smp.h49
1 files changed, 38 insertions, 11 deletions
diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h
index 4d28e1e4521..c25f73d1d84 100644
--- a/arch/powerpc/include/asm/smp.h
+++ b/arch/powerpc/include/asm/smp.h
@@ -56,9 +56,16 @@ extern int smp_hw_index[];
#define raw_smp_processor_id() (current_thread_info()->cpu)
#define hard_smp_processor_id() (smp_hw_index[smp_processor_id()])
-#define get_hard_smp_processor_id(cpu) (smp_hw_index[(cpu)])
-#define set_hard_smp_processor_id(cpu, phys)\
- (smp_hw_index[(cpu)] = (phys))
+
+static inline int get_hard_smp_processor_id(int cpu)
+{
+ return smp_hw_index[cpu];
+}
+
+static inline void set_hard_smp_processor_id(int cpu, int phys)
+{
+ smp_hw_index[cpu] = phys;
+}
#endif
DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
@@ -74,6 +81,13 @@ extern int cpu_to_core_id(int cpu);
#define PPC_MSG_CALL_FUNC_SINGLE 2
#define PPC_MSG_DEBUGGER_BREAK 3
+/*
+ * irq controllers that have dedicated ipis per message and don't
+ * need additional code in the action handler may use this
+ */
+extern int smp_request_message_ipi(int virq, int message);
+extern const char *smp_ipi_name[];
+
void smp_init_iSeries(void);
void smp_init_pSeries(void);
void smp_init_cell(void);
@@ -86,15 +100,21 @@ extern void __cpu_die(unsigned int cpu);
#else
/* for UP */
-#define hard_smp_processor_id() 0
+#define hard_smp_processor_id() get_hard_smp_processor_id(0)
#define smp_setup_cpu_maps()
#endif /* CONFIG_SMP */
#ifdef CONFIG_PPC64
-#define get_hard_smp_processor_id(CPU) (paca[(CPU)].hw_cpu_id)
-#define set_hard_smp_processor_id(CPU, VAL) \
- do { (paca[(CPU)].hw_cpu_id = (VAL)); } while (0)
+static inline int get_hard_smp_processor_id(int cpu)
+{
+ return paca[cpu].hw_cpu_id;
+}
+
+static inline void set_hard_smp_processor_id(int cpu, int phys)
+{
+ paca[cpu].hw_cpu_id = phys;
+}
extern void smp_release_cpus(void);
@@ -102,10 +122,17 @@ extern void smp_release_cpus(void);
/* 32-bit */
#ifndef CONFIG_SMP
extern int boot_cpuid_phys;
-#define get_hard_smp_processor_id(cpu) boot_cpuid_phys
-#define set_hard_smp_processor_id(cpu, phys)
-#endif
-#endif
+static inline int get_hard_smp_processor_id(int cpu)
+{
+ return boot_cpuid_phys;
+}
+
+static inline void set_hard_smp_processor_id(int cpu, int phys)
+{
+ boot_cpuid_phys = phys;
+}
+#endif /* !CONFIG_SMP */
+#endif /* !CONFIG_PPC64 */
extern int smt_enabled_at_boot;