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yaml --- r: 20128 b: refs/heads/master c: 5964eae h: refs/heads/master v: v3
git-mirror · Feb 8, 2006 · 8c4dd79 · 8c4dd79
1 parent 0974f84
commit 8c4dd79
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 49bca4c2815feafd5f999bf43baf87e0dd8d1d08
+refs/heads/master: 5964eae835c3b98c69d338950651f7f414f96477
diff --git a/trunk/arch/arm/kernel/entry-armv.S b/trunk/arch/arm/kernel/entry-armv.S
@@ -709,7 +709,12 @@ __kuser_memory_barrier:				@ 0xffff0fa0
  * The C flag is also set if *ptr was changed to allow for assembly
  * optimization in the calling code.
  *
- * Note: this routine already includes memory barriers as needed.
+ * Notes:
+ *
+ *    - This routine already includes memory barriers as needed.
+ *
+ *    - A failure might be transient, i.e. it is possible, although unlikely,
+ *      that "failure" be returned even if *ptr == oldval.
  *
  * For example, a user space atomic_add implementation could look like this:
  *