Re: [PATCH v5 06/13] lockdep: Implement crossrelease feature

From: Peter Zijlstra
Date: Wed Mar 01 2017 - 06:17:00 EST


On Wed, Mar 01, 2017 at 01:40:33PM +0900, Byungchul Park wrote:

> Right. I decided to force MAX_XHLOCKS_NR to be power of 2 and everything
> became easy. Thank you very much.

Something like:

BUILD_BUG_ON(MAX_XHLOCKS_NR & (MAX_XHLOCK_NR - 1));

Should enforce I think.