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tty: make sure that proc_clear_tty stores the cpu flags
authorArjan van de Ven <arjan@linux.intel.com>
Wed, 15 Oct 2008 09:52:34 +0000 (10:52 +0100)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 15 Oct 2008 17:19:51 +0000 (10:19 -0700)
proc_clear_tty() gets called with interrupts off (while holding the task list
lock) from sys_setid. This means that it needs the _irqsave version of the
locking primitives.

Reported-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Tested-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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