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authorThomas Gleixner <tglx@linutronix.de>2017-11-14 10:01:49 +0100
committerThomas Gleixner <tglx@linutronix.de>2017-11-14 10:01:49 +0100
commitd4bfeabe9ff7967f4b8c24aabf2de1ce3a909cd9 (patch)
tree6b419b8497c7d57ddec20a3558697ef36ea37b11 /kernel/extable.c
parent8a7a8e1eab929eb3a5b735a788a23b9731139046 (diff)
parentb29c6ef7bb1257853c1e31616d84f55e561cf631 (diff)
downloadlinux-d4bfeabe9ff7967f4b8c24aabf2de1ce3a909cd9.tar.bz2
Merge branch 'linus' into timers/urgent
Get upstream changes so dependent patches can be applied.
Diffstat (limited to 'kernel/extable.c')
-rw-r--r--kernel/extable.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/extable.c b/kernel/extable.c
index 9aa1cc41ecf7..a17fdb63dc3e 100644
--- a/kernel/extable.c
+++ b/kernel/extable.c
@@ -31,6 +31,8 @@
* mutex protecting text section modification (dynamic code patching).
* some users need to sleep (allocating memory...) while they hold this lock.
*
+ * Note: Also protects SMP-alternatives modification on x86.
+ *
* NOT exported to modules - patching kernel text is a really delicate matter.
*/
DEFINE_MUTEX(text_mutex);