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();
 } 

-- 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to