Messages in this thread | | | Date | Wed, 18 May 2016 21:09:38 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [PATCH v2 07/32] perf/x86/intel/cqm: add helpers for per-package locking |
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On Wed, 18 May 2016, Thomas Gleixner wrote: > On Wed, 11 May 2016, David Carrillo-Cisneros wrote:
> > + cqm_pkg_id_for_each_online(i) > > + mutex_lock_nested(&cqm_pkgs_data[i]->pkg_data_mutex, i);
Peter just pointed out that this will fail when the number of nest levels exceeds 8. So any system with more than 8 packages will make lockdep explode.
Thanks,
tglx
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