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| author | Michal Marek <mmarek@suse.cz> | 2013-02-25 21:50:05 +0100 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2013-02-25 21:51:57 +0100 |
| commit | e3900e74f26fc924c8e9e2a922bd40369b0bb517 (patch) | |
| tree | 6e868575d346032ba9408f350c6e5369e0e52b0d /Documentation/memory-barriers.txt | |
| parent | 62dc989921df2a98d1a73aacd085abe941cb9828 (diff) | |
| parent | 02f3e53a131c8aa3fe3c954058f1add5beeae621 (diff) | |
Merge branch 'kbuild/rc-fixes' into kbuild/kconfig
There is one kconfig fix in the rc-fixes branch that I forgot to submit
for 3.8, so let's add it to the kconfig branch for 3.9-rc1.
Diffstat (limited to 'Documentation/memory-barriers.txt')
| -rw-r--r-- | Documentation/memory-barriers.txt | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index 2759f7c188f0..3c4e1b3b80a1 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt @@ -251,12 +251,13 @@ And there are a number of things that _must_ or _must_not_ be assumed: And for: - *A = X; Y = *A; + *A = X; *(A + 4) = Y; - we may get either of: + we may get any of: - STORE *A = X; Y = LOAD *A; - STORE *A = Y = X; + STORE *A = X; STORE *(A + 4) = Y; + STORE *(A + 4) = Y; STORE *A = X; + STORE {*A, *(A + 4) } = {X, Y}; ========================= |