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authorLinus Torvalds <torvalds@linux-foundation.org>2013-02-20 07:04:55 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-20 07:04:55 +0400
commitbcbd818c069b9e1bf82517401225b152a33968e2 (patch)
tree3fcdcf02b15fdd77998589a6158d0e36ba137d1c /include
parentd652e1eb8e7b739fccbfb503a3da3e9f640fbf3d (diff)
parent14e568e78f6f80ca1e27256641ddf524c7dbdc51 (diff)
downloadlinux-bcbd818c069b9e1bf82517401225b152a33968e2.tar.xz
Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull preparatory smp/hotplug patches from Ingo Molnar: "Some early preparatory changes for the WIP hotplug rework by Thomas Gleixner." * 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: stop_machine: Use smpboot threads stop_machine: Store task reference in a separate per cpu variable smpboot: Allow selfparking per cpu threads
Diffstat (limited to 'include')
-rw-r--r--include/linux/smpboot.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/smpboot.h b/include/linux/smpboot.h
index e0106d8581d3..c65dee059913 100644
--- a/include/linux/smpboot.h
+++ b/include/linux/smpboot.h
@@ -14,6 +14,8 @@ struct smpboot_thread_data;
* @thread_should_run: Check whether the thread should run or not. Called with
* preemption disabled.
* @thread_fn: The associated thread function
+ * @create: Optional setup function, called when the thread gets
+ * created (Not called from the thread context)
* @setup: Optional setup function, called when the thread gets
* operational the first time
* @cleanup: Optional cleanup function, called when the thread
@@ -22,6 +24,7 @@ struct smpboot_thread_data;
* parked (cpu offline)
* @unpark: Optional unpark function, called when the thread is
* unparked (cpu online)
+ * @selfparking: Thread is not parked by the park function.
* @thread_comm: The base name of the thread
*/
struct smp_hotplug_thread {
@@ -29,10 +32,12 @@ struct smp_hotplug_thread {
struct list_head list;
int (*thread_should_run)(unsigned int cpu);
void (*thread_fn)(unsigned int cpu);
+ void (*create)(unsigned int cpu);
void (*setup)(unsigned int cpu);
void (*cleanup)(unsigned int cpu, bool online);
void (*park)(unsigned int cpu);
void (*unpark)(unsigned int cpu);
+ bool selfparking;
const char *thread_comm;
};