hrtimers and lockdep (was: Re: 2.6.24-rc6: possible recursivelocking detected)

[Peter Zijlstra]

( trimmed CC list )

Sorry for the delay, this message seems to have gotten lost in my
inbox :-/

On Tue, 2008-01-15 at 00:27 +0300, Oleg Nesterov wrote:
> On 01/13, Peter Zijlstra wrote:

> Offtopic question. Why do we have so many lockdep stuff in timer.c and hrtimer.c ?
> We never lock 2 bases at the same time, except in migrate_timers(). We can kill
> double_spin_lock() and base_lock_keys[] and just use spin_lock_nested in
> migrate_timers(), no?

Lets ask Thomas.. :-)

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