Messages in this thread | | | Subject | Re: processes hung after sys_renameat, and 'missing' processes | From | Peter Zijlstra <> | Date | Mon, 04 Jun 2012 11:35:45 +0200 |
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On Mon, 2012-06-04 at 01:20 +0100, Al Viro wrote: > > Another question re lockdep - does it scream loudly if process returns > to userland without having released some lock? I hope so, but I've never > checked that... ;-/
It does, on some archs. git grep lockdep_sys_exit, suggests x86 and s390.
http://www.google.com/search?q=lock+held+when+returning+to+user+space
will find you people who tripped it ;-) There's a few filesystems that did various vile things on freeze or so.
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