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@.
To generate a diff of this commit:
cvs rdiff -u -r1.998 -r1.999 src/sys/conf/files
cvs rdiff -u -r0 -r1.1 src/sys/kern/subr_pcu.c
cvs rdiff -u -r1.32 -r1.33 src/sys/sys/cpu_data.h
cvs rdiff -u -r1.142 -r1.143 src/sys/sys/lwp.h
cvs rdiff -u -r0 -r1.1 src/sys/sys/pcu.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
