]> git.baikalelectronics.ru Git - kernel.git/commit
[PATCH] tty: remove useless memory barrier
authorRalf Baechle <ralf@linux-mips.org>
Wed, 13 Dec 2006 08:34:57 +0000 (00:34 -0800)
committerLinus Torvalds <torvalds@woody.osdl.org>
Wed, 13 Dec 2006 17:05:52 +0000 (09:05 -0800)
commit25ab329a4ea0a2d20031559923b4af7529d57751
tree6a4630fc8ca0ee9d49e7411e992a4b16ee2ca282
parentfd466d9549788a3120bab6908faaedda7967d669
[PATCH] tty: remove useless memory barrier

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>
drivers/char/n_tty.c