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[PATCH] remove set_wmb - doc update

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This patch removes the reference to set_wmb from memory-barriers.txt
since it shouldn't be used.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Steven Rostedt 2006-07-14 16:05:01 -04:00 committed by Linus Torvalds
parent bb129994c3
commit f92213bae0
1 changed files with 2 additions and 3 deletions
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5
Documentation/memory-barriers.txt
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@ -1015,10 +1015,9 @@ CPU from reordering them.
There are some more advanced barrier functions: There are some more advanced barrier functions:
(*) set_mb(var, value) (*) set_mb(var, value)
(*) set_wmb(var, value)
These assign the value to the variable and then insert at least a write This assigns the value to the variable and then inserts at least a write
barrier after it, depending on the function. They aren't guaranteed to barrier after it, depending on the function. It isn't guaranteed to
insert anything more than a compiler barrier in a UP compilation. insert anything more than a compiler barrier in a UP compilation.