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| author |   Alex Nixon <alex.nixon@citrix.com> | 2008-08-22 11:52:13 +0100 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-08-25 10:59:19 +0200 |
| commit | a21f5d88c17a40941f6239d1959d89e8493e8e01 (patch) | |
| tree | 767f763a4e05afa4b0e89192730db47e58c1180b /arch/x86/kernel/process_64.c | |
| parent | x86_32: clean up play_dead (diff) | |
| download | linux-dev-a21f5d88c17a40941f6239d1959d89e8493e8e01.tar.xz linux-dev-a21f5d88c17a40941f6239d1959d89e8493e8e01.zip | |
x86: unify x86_32 and x86_64 play_dead into one function
Add the new play_dead into smpboot.c, as it fits more cleanly in there
alongside other CONFIG_HOTPLUG functions.
Separate out the common code into its own function.
Signed-off-by: Alex Nixon <alex.nixon@citrix.com>
Acked-by: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/process_64.c')
| -rw-r--r-- | arch/x86/kernel/process_64.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index dfd3f5752085..aa28ed01cdf3 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -85,29 +85,6 @@ void exit_idle(void) __exit_idle(); } -#ifdef CONFIG_HOTPLUG_CPU -DECLARE_PER_CPU(int, cpu_state); - -#include <asm/nmi.h> -/* We halt the CPU with physical CPU hotplug */ -void native_play_dead(void) -{ - idle_task_exit(); - mb(); - /* Ack it */ - __get_cpu_var(cpu_state) = CPU_DEAD; - - local_irq_disable(); - /* mask all interrupts, flush any and all caches, and halt */ - wbinvd_halt(); -} -#else -void native_play_dead(void) -{ - BUG(); -} -#endif /* CONFIG_HOTPLUG_CPU */ - /* * The idle thread. There's no useful work to be * done, so just try to conserve power and have a |