Documentation/memory-barriers.txt: Prohibit speculative writes
No SMP architecture currently supporting Linux allows speculative writes, so this commit updates Documentation/memory-barriers.txt to prohibit them in Linux core code. It also records restrictions on their use. Signed-off-by:Peter Zijlstra <peterz@infradead.org> Signed-off-by:
Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by:
Josh Triplett <josh@joshtriplett.org> Reviewed-by:
Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: <linux-arch@vger.kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/1386799151-2219-3-git-send-email-paulmck@linux.vnet.ibm.com [ Paul modified the original patch from Peter. ] Signed-off-by:
Ingo Molnar <mingo@kernel.org>
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