> Module Name: src > Committed By: rmind > Date: Thu Feb 17 18:32:29 UTC 2011 > > Modified Files: > src/sys/conf: files > src/sys/sys: cpu_data.h lwp.h > Added Files: > src/sys/kern: subr_pcu.c > src/sys/sys: pcu.h > > Log Message: > Add PCU (Per-CPU Unit) - an interface to manage synchronization of any > per CPU context tied with an LWP. Main use - lazy FPU handling on SMP. > > Requested by matt@, will be used on mips64. Note: implementation will > be improved to use IPIs before adopting on x86. OK ad@.
why is this compiled on every port when no one uses it yet and most of them never will? .mrg.
