7 files changed, 29 insertions, 0 deletions

diff --git a/arch/mips/include/asm/bug.h b/arch/mips/include/asm/bug.h
index 08ea46863fe5..6cf29c26e873 100644
--- a/arch/mips/include/asm/bug.h
+++ b/arch/mips/include/asm/bug.h
@@ -1,6 +1,7 @@
 #ifndef __ASM_BUG_H
 #define __ASM_BUG_H
 
+#include <linux/compiler.h>
 #include <asm/sgidefs.h>
 
 #ifdef CONFIG_BUG
diff --git a/arch/mips/include/asm/bugs.h b/arch/mips/include/asm/bugs.h
index 9dc10df32078..b160a706795d 100644
--- a/arch/mips/include/asm/bugs.h
+++ b/arch/mips/include/asm/bugs.h
@@ -11,6 +11,7 @@
 
 #include <linux/bug.h>
 #include <linux/delay.h>
+#include <linux/smp.h>
 
 #include <asm/cpu.h>
 #include <asm/cpu-info.h>
diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h
index 4f1eed107b08..09b08d05ff72 100644
--- a/arch/mips/include/asm/irq.h
+++ b/arch/mips/include/asm/irq.h
@@ -10,6 +10,7 @@
 #define _ASM_IRQ_H
 
 #include <linux/linkage.h>
+#include <linux/smp.h>
 
 #include <asm/mipsmtregs.h>
 
diff --git a/arch/mips/include/asm/mmu_context.h b/arch/mips/include/asm/mmu_context.h
index d7f3eb03ad12..d3bea88d8744 100644
--- a/arch/mips/include/asm/mmu_context.h
+++ b/arch/mips/include/asm/mmu_context.h
@@ -13,6 +13,7 @@
 
 #include <linux/errno.h>
 #include <linux/sched.h>
+#include <linux/smp.h>
 #include <linux/slab.h>
 #include <asm/cacheflush.h>
 #include <asm/tlbflush.h>
diff --git a/arch/mips/include/asm/smp-ops.h b/arch/mips/include/asm/smp-ops.h
index 64ffc0290b84..fd545547b8aa 100644
--- a/arch/mips/include/asm/smp-ops.h
+++ b/arch/mips/include/asm/smp-ops.h
@@ -26,6 +26,10 @@ struct plat_smp_ops {
         void (*boot_secondary)(int cpu, struct task_struct *idle);
         void (*smp_setup)(void);
         void (*prepare_cpus)(unsigned int max_cpus);
+#ifdef CONFIG_HOTPLUG_CPU
+        int (*cpu_disable)(void);
+        void (*cpu_die)(unsigned int cpu);
+#endif
 };
 
 extern void register_smp_ops(struct plat_smp_ops *ops);
diff --git a/arch/mips/include/asm/smp.h b/arch/mips/include/asm/smp.h
index 40e5ef1d4d26..aaa2d4ab26dc 100644
--- a/arch/mips/include/asm/smp.h
+++ b/arch/mips/include/asm/smp.h
@@ -13,6 +13,7 @@
 
 #include <linux/bitops.h>
 #include <linux/linkage.h>
+#include <linux/smp.h>
 #include <linux/threads.h>
 #include <linux/cpumask.h>
 
@@ -40,6 +41,7 @@ extern int __cpu_logical_map[NR_CPUS];
 /* Octeon - Tell another core to flush its icache */
 #define SMP_ICACHE_FLUSH        0x4
 
+extern volatile cpumask_t cpu_callin_map;
 
 extern void asmlinkage smp_bootstrap(void);
 
@@ -55,6 +57,24 @@ static inline void smp_send_reschedule(int cpu)
         mp_ops->send_ipi_single(cpu, SMP_RESCHEDULE_YOURSELF);
 }
 
+#ifdef CONFIG_HOTPLUG_CPU
+static inline int __cpu_disable(void)
+{
+        extern struct plat_smp_ops *mp_ops;     /* private */
+
+        return mp_ops->cpu_disable();
+}
+
+static inline void __cpu_die(unsigned int cpu)
+{
+        extern struct plat_smp_ops *mp_ops;     /* private */
+
+        mp_ops->cpu_die(cpu);
+}
+
+extern void play_dead(void);
+#endif
+
 extern asmlinkage void smp_call_function_interrupt(void);
 
 extern void arch_send_call_function_single_ipi(int cpu);
diff --git a/arch/mips/include/asm/sn/addrs.h b/arch/mips/include/asm/sn/addrs.h
index 3a56d90abfa6..2367b56dcdef 100644
--- a/arch/mips/include/asm/sn/addrs.h
+++ b/arch/mips/include/asm/sn/addrs.h
@@ -11,6 +11,7 @@
 
 
 #ifndef __ASSEMBLY__
+#include <linux/smp.h>
 #include <linux/types.h>
 #endif /* !__ASSEMBLY__ */