commit a054a811597a17ffbe92bc4db04a4dc2f1b1ea55
author Russell King <rmk@dyn-67.arm.linux.org.uk> Wed Nov 02 22:24:33 2005 +0000
committer Russell King <rmk+kernel@arm.linux.org.uk> Wed Nov 02 22:24:33 2005 +0000
tree b600081d964d6fe7cc1cfe2669a739da0e1743f4
parent 273c2cdb2b6d6743d85ddbde82e71f8adbf5bf10

[ARM SMP] Add hotplug CPU infrastructure

This patch adds the infrastructure to support hotplug CPU on ARM
platforms.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

include/asm-arm/irq.h

diff --git a/include/asm-arm/irq.h b/include/asm-arm/irq.h
index f97912f..59975ee 100644
--- a/include/asm-arm/irq.h
+++ b/include/asm-arm/irq.h
@@ -47,5 +47,6 @@
 struct pt_regs;
 int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *);
 
+extern void migrate_irqs(void);
 #endif
 

include/asm-arm/smp.h

diff --git a/include/asm-arm/smp.h b/include/asm-arm/smp.h
index dbb4d85..551cd3c 100644
--- a/include/asm-arm/smp.h
+++ b/include/asm-arm/smp.h
@@ -66,4 +66,14 @@
 };
 extern struct secondary_data secondary_data;
 
+extern int __cpu_disable(void);
+extern int mach_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);
+
 #endif /* ifndef __ASM_ARM_SMP_H */