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authorIngo Molnar <mingo@kernel.org>2017-11-14 07:21:44 +0100
committerIngo Molnar <mingo@kernel.org>2017-11-14 07:21:44 +0100
commit050ab10a645097e47c01cfab3ccf24167e9b266b (patch)
tree686b17c63933f187305a87fba696415dccd032ae /kernel/extable.c
parent9eb719855f6c9b21eb5889d9ac2ca1c60527ad89 (diff)
parentb29c6ef7bb1257853c1e31616d84f55e561cf631 (diff)
Merge branch 'linus' into core/objtool, to pick up dependent commits
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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);