On Thu, Sep 26, 2013 at 12:41:51AM +0000, Mindaugas Rasiukevicius wrote: > Module Name: src > Committed By: rmind > Date: Thu Sep 26 00:41:51 UTC 2013 > > Modified Files: > src/lib/librumpuser: rumpuser_pth.c > > Log Message: > Give RUMP mutex and rwlock their own cache-line. Also give a separate > cache-line for the rwlock's reader counter.
You'd be much better off ordering the fields to avoid ping-pong of data. IIRC one of the new (big) ppc has 256 byte cache lines. Cache line aligning data is then getting silly. David -- David Laight: da...@l8s.co.uk