Doesn't do anything yet.
Based on a earlier patch by Eric Biederman and Andi Kleen.
Simple forward port of cpu-shutdown.patch to x86 tree.
Signed-off-by: Venkatesh Pallipadi <[email protected]>
Signed-off-by: Suresh Siddha <[email protected]>
---
Index: linux-2.6/arch/x86/kernel/reboot_64.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/reboot_64.c 2007-12-11 03:30:35.000000000 -0800
+++ linux-2.6/arch/x86/kernel/reboot_64.c 2007-12-11 03:30:46.000000000 -0800
@@ -113,6 +113,7 @@
#endif
disable_IO_APIC();
+ cpu_shutdown();
#ifdef CONFIG_HPET_TIMER
hpet_disable();
Index: linux-2.6/arch/x86/kernel/setup64.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/setup64.c 2007-12-11 03:30:35.000000000 -0800
+++ linux-2.6/arch/x86/kernel/setup64.c 2007-12-11 03:30:46.000000000 -0800
@@ -293,3 +293,7 @@
raw_local_save_flags(kernel_eflags);
}
+
+void cpu_shutdown(void)
+{
+}
Index: linux-2.6/include/asm-x86/processor_64.h
===================================================================
--- linux-2.6.orig/include/asm-x86/processor_64.h 2007-12-11 03:30:35.000000000 -0800
+++ linux-2.6/include/asm-x86/processor_64.h 2007-12-11 03:30:46.000000000 -0800
@@ -100,6 +100,7 @@
extern char ignore_irq13;
extern void identify_cpu(struct cpuinfo_x86 *);
+extern void cpu_shutdown(void);
extern void print_cpu_info(struct cpuinfo_x86 *);
extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c);
extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c);
Index: linux-2.6/arch/x86/kernel/smp_64.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/smp_64.c 2007-10-25 02:45:41.000000000 -0700
+++ linux-2.6/arch/x86/kernel/smp_64.c 2007-12-11 03:36:31.000000000 -0800
@@ -471,6 +471,7 @@
*/
cpu_clear(smp_processor_id(), cpu_online_map);
disable_local_APIC();
+ cpu_shutdown();
for (;;)
halt();
}
--
--
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