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authorIngo Molnar <mingo@elte.hu>2008-05-14 17:11:46 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-15 10:19:30 -0700
commit487ad7efbf6b0ec338cdfc2a7b0fbeb53f17a94c (patch)
treee2bc37cc97680403bf664a5944b10cdd907b9f10 /drivers/connector
parent8568dae21e186fbb111bbe6583033a33fe26f83d (diff)
tty: fix BKL related leak and crash
Enabling the BKL to be lockdep tracked uncovered the following upstream kernel bug in the tty code, which caused a BKL reference leak: ================================================ [ BUG: lock held when returning to user space! ] ------------------------------------------------ dmesg/3121 is leaving the kernel with locks still held! 1 lock held by dmesg/3121: #0: (kernel_mutex){--..}, at: [<c02f34d9>] opost+0x24/0x194 this might explain some of the atomicity warnings and crashes that -tip tree testing has been experiencing since the BKL was converted back to a spinlock. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/connector')
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