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authorDmitry Vyukov <dvyukov@google.com>2016-11-28 15:24:43 +0100
committerIngo Molnar <mingo@kernel.org>2016-12-06 10:40:08 +0100
commitf943fe0faf27991d256e10b5a85f175385c64cdc (patch)
treef520d8a04053ee5ab7e628f0dafcecf80b9a1077 /lib
parent1be5d4fa0af34fb7bafa205aeb59f5c7cc7a089d (diff)
lockdep: Fix report formatting
Since commit: 4bcc595ccd80 ("printk: reinstate KERN_CONT for printing continuation lines") printk() requires KERN_CONT to continue log messages. Lots of printk() in lockdep.c and print_ip_sym() don't have it. As the result lockdep reports are completely messed up. Add missing KERN_CONT and inline print_ip_sym() where necessary. Example of a messed up report: 0-rc5+ #41 Not tainted ------------------------------------------------------- syz-executor0/5036 is trying to acquire lock: ( rtnl_mutex ){+.+.+.} , at: [<ffffffff86b3d6ac>] rtnl_lock+0x1c/0x20 but task is already holding lock: ( &net->packet.sklist_lock ){+.+...} , at: [<ffffffff873541a6>] packet_diag_dump+0x1a6/0x1920 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 ( &net->packet.sklist_lock +.+...} ... Without this patch all scripts that parse kernel bug reports are broken. Signed-off-by: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: andreyknvl@google.com Cc: aryabinin@virtuozzo.com Cc: joe@perches.com Cc: syzkaller@googlegroups.com Link: http://lkml.kernel.org/r/1480343083-48731-1-git-send-email-dvyukov@google.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib')
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