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(parent: 6f334f1) | patch
XTENSA: iss/console, fix potential deadlock
authorJiri Slaby <jslaby@suse.cz>
Mon, 5 Mar 2012 13:52:06 +0000 (14:52 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 8 Mar 2012 19:47:01 +0000 (11:47 -0800)
commit44e57b2d5f8f31828f07981441f67758683c7c0d
tree565b58ae6c81d692b7e1d4f74d51aa95ccaa99f9tree | snapshot
parent6f334f19eeed0b5e11342f63d647374978ed5020commit | diff
XTENSA: iss/console, fix potential deadlock

If the timer ticks while we are holding the spinlock, the system
deadlocks. It is due to synchronous del_timer.

So to fix that, use spinlocks that properly disable bottom halves.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/xtensa/platforms/iss/console.c diff | blob | history
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