Messages in this thread | | | Date | Wed, 21 Apr 2010 18:10:18 +0200 | From | Frederic Weisbecker <> | Subject | Re: [PATCH] perf lock: Fix state machine to recognize lock sequence |
| |
On Wed, Apr 21, 2010 at 10:55:58AM +0200, Peter Zijlstra wrote: > On Wed, 2010-04-21 at 03:26 +0200, Frederic Weisbecker wrote: > > The max lockdep depth may > > change in the future, or become variable, so we can't relay on that. > > > Change, possible, variable unlikely, you need a memory allocation to > extend it, and memory allocation takes locks, which is not a nice thing > to do in the middle of lockdep.
Sure, I didn't meant on runtime but on boot, like in John's recent proposal.
Thanks.
| |