Messages in this thread | | | Date | Wed, 4 Oct 2017 12:31:19 +0200 | From | Ingo Molnar <> | Subject | Re: [lockdep] b09be676e0 BUG: unable to handle kernel NULL pointer dereference at 000001f2 |
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* Peter Zijlstra <peterz@infradead.org> wrote:
> On Tue, Oct 03, 2017 at 07:18:24PM +0200, Ingo Molnar wrote: > > Yes, I'll do that tomorrow. I was always a bit unhappy about cross-release, > > because it breaks the 'owner task owns the lock' model. > > Still, you can get real deadlocks with completions... > > > Plus I don't think we found that many real bugs with it > > Every bug found is one less bug. It did find a few.
Certainly, but the total work saved by finding bugs should be balanced against the additional fragility of lockdep and the ongoing maintenance cost.
Thanks,
Ingo
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