From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Tue, 1 Nov 2011 00:12:29 +0000 (-0700)
Subject: lib/spinlock_debug.c: print owner on spinlock lockup
X-Git-Tag: v3.2-rc1~108^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4e101b0e6aa885f5786a058eefc1ce4b7cc7c44e;p=pandora-kernel.git

lib/spinlock_debug.c: print owner on spinlock lockup

When SPIN_BUG_ON is triggered, the lock owner information is reported.
But it is omitted when spinlock lockup is detected.

This information is useful especially on the architectures which don't
implement trigger_all_cpu_backtrace() that is called just after detecting
lockup.  So report it and also avoid message format duplication.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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