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authorLinus Torvalds <torvalds@linux-foundation.org>2013-03-05 18:07:12 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-03-05 18:07:12 -0800
commit6516ab6fdffbda656253d4e1231660c3f87f7889 (patch)
tree516f37c91a7240604153df590eb771bb65384932 /include
parent06e79d3b45df263984539c417d9c781bdaa31351 (diff)
parent46c498c2cdee5efe44f617bcd4f388179be36115 (diff)
downloadlinux-6516ab6fdffbda656253d4e1231660c3f87f7889.tar.gz
Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull smpboot bugfix from Thomas Gleixner:
 "A single bugfix for a regression introduced with the conversion of the
  stop machine threads to the generic smpboot thread management
  facility"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  stop_machine: Mark per cpu stopper enabled early
Diffstat (limited to 'include')
-rw-r--r--include/linux/smpboot.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/smpboot.h b/include/linux/smpboot.h
index c65dee059913..13e929679550 100644
--- a/include/linux/smpboot.h
+++ b/include/linux/smpboot.h
@@ -24,6 +24,9 @@ struct smpboot_thread_data;
  *			parked (cpu offline)
  * @unpark:		Optional unpark function, called when the thread is
  *			unparked (cpu online)
+ * @pre_unpark:		Optional unpark function, called before the thread is
+ *			unparked (cpu online). This is not guaranteed to be
+ *			called on the target cpu of the thread. Careful!
  * @selfparking:	Thread is not parked by the park function.
  * @thread_comm:	The base name of the thread
  */
@@ -37,6 +40,7 @@ struct smp_hotplug_thread {
 	void				(*cleanup)(unsigned int cpu, bool online);
 	void				(*park)(unsigned int cpu);
 	void				(*unpark)(unsigned int cpu);
+	void				(*pre_unpark)(unsigned int cpu);
 	bool				selfparking;
 	const char			*thread_comm;
 };