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authorLi Shaohua <shaohua.li@intel.com>2005-06-25 14:54:56 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-25 16:24:30 -0700
commite1367daf3eed5cd619ee88c9907e1e6ddaa58406 (patch)
treedce60efefba356e0a914669587586a6174e41b94 /include/asm-i386
parent0bb3184df537002a742bafddf3f4fb482b7fe610 (diff)
[PATCH] cpu state clean after hot remove
Clean CPU states in order to reuse smp boot code for CPU hotplug. Signed-off-by: Li Shaohua<shaohua.li@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-i386')
-rw-r--r--include/asm-i386/irq.h2
-rw-r--r--include/asm-i386/smp.h8
2 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-i386/irq.h b/include/asm-i386/irq.h
index e2d8bf23ad70..270f1986b19f 100644
--- a/include/asm-i386/irq.h
+++ b/include/asm-i386/irq.h
@@ -29,9 +29,11 @@ extern void release_vm86_irqs(struct task_struct *);
#ifdef CONFIG_4KSTACKS
extern void irq_ctx_init(int cpu);
+ extern void irq_ctx_exit(int cpu);
# define __ARCH_HAS_DO_SOFTIRQ
#else
# define irq_ctx_init(cpu) do { } while (0)
+# define irq_ctx_exit(cpu) do { } while (0)
#endif
#ifdef CONFIG_IRQBALANCE
diff --git a/include/asm-i386/smp.h b/include/asm-i386/smp.h
index 2451ead0ca5c..c9996eda5408 100644
--- a/include/asm-i386/smp.h
+++ b/include/asm-i386/smp.h
@@ -48,6 +48,14 @@ extern void unlock_ipi_call_lock(void);
#define MAX_APICID 256
extern u8 x86_cpu_to_apicid[];
+#ifdef CONFIG_HOTPLUG_CPU
+extern void cpu_exit_clear(void);
+extern void cpu_uninit(void);
+
+#define __HAVE_ARCH_SMP_PREPARE_CPU
+extern int smp_prepare_cpu(int cpu);
+#endif
+
/*
* This function is needed by all SMP systems. It must _always_ be valid
* from the initial startup. We map APIC_BASE very early in page_setup(),