https://github.com/torvalds/linux
Revision 34f8f0a5e953d3e40c4419e5e5c4b6fd14f7ebf2 authored by Ralf Baechle on 13 December 2006, 08:34:57 UTC, committed by Linus Torvalds on 13 December 2006, 17:05:52 UTC
I don't see why there is a memory barrier in copy_from_read_buf() at all.
Even if it was useful spin_unlock_irqrestore implies a barrier.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
1 parent cd86128
History
Tip revision: 34f8f0a5e953d3e40c4419e5e5c4b6fd14f7ebf2 authored by Ralf Baechle on 13 December 2006, 08:34:57 UTC
[PATCH] tty: remove useless memory barrier
Tip revision: 34f8f0a
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