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authorPatrick McHardy <kaber@trash.net>2013-03-31 18:10:34 +0200
committerPatrick McHardy <kaber@trash.net>2013-03-31 18:10:34 +0200
commit70711d223510ba1773cfe1d7770a56141c815ff8 (patch)
tree4a71f38a3a554ddecaa31b7d8c6bc49b7d1705b4 /arch/arm/include/asm/smp.h
parentd53b4ed072d9779cdf53582c46436dec06d0961f (diff)
parent19f949f52599ba7c3f67a5897ac6be14bfcb1200 (diff)
Merge tag 'v3.8' of /home/kaber/src/repos/linux
Linux 3.8 Signed-off-by: Patrick McHardy <kaber@trash.net> Conflicts: include/linux/Kbuild include/linux/netlink.h
Diffstat (limited to 'arch/arm/include/asm/smp.h')
-rw-r--r--arch/arm/include/asm/smp.h49
1 files changed, 35 insertions, 14 deletions
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
index ae29293270a..d3a22bebe6c 100644
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -60,15 +60,6 @@ extern int boot_secondary(unsigned int cpu, struct task_struct *);
*/
asmlinkage void secondary_start_kernel(void);
-/*
- * Perform platform specific initialisation of the specified CPU.
- */
-extern void platform_secondary_init(unsigned int cpu);
-
-/*
- * Initialize cpu_possible map, and enable coherency
- */
-extern void platform_smp_prepare_cpus(unsigned int);
/*
* Initial data for bringing up a secondary CPU.
@@ -79,18 +70,48 @@ struct secondary_data {
void *stack;
};
extern struct secondary_data secondary_data;
+extern volatile int pen_release;
extern int __cpu_disable(void);
-extern int platform_cpu_disable(unsigned int cpu);
extern void __cpu_die(unsigned int cpu);
extern void cpu_die(void);
-extern void platform_cpu_die(unsigned int cpu);
-extern int platform_cpu_kill(unsigned int cpu);
-extern void platform_cpu_enable(unsigned int cpu);
-
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+extern void arch_send_wakeup_ipi_mask(const struct cpumask *mask);
+
+struct smp_operations {
+#ifdef CONFIG_SMP
+ /*
+ * Setup the set of possible CPUs (via set_cpu_possible)
+ */
+ void (*smp_init_cpus)(void);
+ /*
+ * Initialize cpu_possible map, and enable coherency
+ */
+ void (*smp_prepare_cpus)(unsigned int max_cpus);
+
+ /*
+ * Perform platform specific initialisation of the specified CPU.
+ */
+ void (*smp_secondary_init)(unsigned int cpu);
+ /*
+ * Boot a secondary CPU, and assign it the specified idle task.
+ * This also gives us the initial stack to use for this CPU.
+ */
+ int (*smp_boot_secondary)(unsigned int cpu, struct task_struct *idle);
+#ifdef CONFIG_HOTPLUG_CPU
+ int (*cpu_kill)(unsigned int cpu);
+ void (*cpu_die)(unsigned int cpu);
+ int (*cpu_disable)(unsigned int cpu);
+#endif
+#endif
+};
+
+/*
+ * set platform specific SMP operations
+ */
+extern void smp_set_ops(struct smp_operations *);
#endif /* ifndef __ASM_ARM_SMP_H */