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authorRandy Dunlap <randy.dunlap@oracle.com>2008-10-16 07:01:59 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-16 20:21:32 +0200
commit8033fe65a6d6c0e47ba9e3cb2e4e6902f9dfb8dd (patch)
tree5f1531ef9cd4bc0f3056ff904696437652685f07 /Documentation/SubmitChecklist
parentkernel/kallsyms.c: fix double return (diff)
downloadlinux-8033fe65a6d6c0e47ba9e3cb2e4e6902f9dfb8dd.tar.xz
linux-8033fe65a6d6c0e47ba9e3cb2e4e6902f9dfb8dd.zip
documentation: explain memory barriers
We want all uses of memory barriers to be explained in the source code. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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diff --git a/Documentation/SubmitChecklist b/Documentation/SubmitChecklist
index 21f0795af20f..ac5e0b2f1097 100644
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@@ -85,3 +85,6 @@ kernel patches.
23: Tested after it has been merged into the -mm patchset to make sure
that it still works with all of the other queued patches and various
changes in the VM, VFS, and other subsystems.
+
+24: All memory barriers {e.g., barrier(), rmb(), wmb()} need a comment in the
+ source code that explains the logic of what they are doing and why.