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[PATCH] suspend/resume SMP support

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Using CPU hotplug to support suspend/resume SMP.  Both S3 and S4 use
disable/enable_nonboot_cpus API.  The S4 part is based on Pavel's original S4
SMP patch.

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>
This commit is contained in:
Li Shaohua
2005-06-25 14:55:06 -07:00
committed by Linus Torvalds
parent fb69c3907e
commit 5a72e04df5
13 changed files with 80 additions and 90 deletions
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6
kernel/power/Kconfig
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@@ -28,7 +28,7 @@ config PM_DEBUG
config SOFTWARE_SUSPEND
bool "Software Suspend (EXPERIMENTAL)"
depends on EXPERIMENTAL && PM && SWAP
depends on EXPERIMENTAL && PM && SWAP && (SUSPEND_SMP || !SMP)
---help---
Enable the possibility of suspending the machine.
It doesn't need APM.
@@ -72,3 +72,7 @@ config PM_STD_PARTITION
suspended image to. It will simply pick the first available swap
device.
config SUSPEND_SMP
bool
depends on HOTPLUG_CPU && X86 && PM
default y