Messages in this thread | | | Date | Thu, 28 Sep 2017 11:26:00 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 4/4] lockdep: make MAX_LOCK_DEPTH configurable from Kconfig |
| |
On Wed, Sep 27, 2017 at 02:42:20PM -0700, Govindarajulu Varadarajan wrote: > Make MAX_LOCK_DEPTH configurable. It is set to 48 right now. Number of > VFs under a PCI pf bus can exceed 48 and this disables lockdep. > > lockdep currently allows max of 63 held_locks.
But why a config knob? Why not just raise the number to 64 unconditionally? And is that sufficient; you only state 48 is insufficient, you don't actually state the VF limit.
| |