cvs commit: src/sys/amd64/amd64 identcpu.c mp_machdep.c src/sys/amd64/include smp.h src/sys/i386/i386 identcpu.c mp_machdep.c src/sys/i386/include smp.h src/sys/ia64/ia64 mp_machdep.c src/sys/kern sched_ule.c subr_smp.c ...

[Jeff Roberson]

On Sun, 2 Mar 2008, Jeff Roberson wrote:

> jeff        2008-03-02 07:58:42 UTC
>
>  FreeBSD src repository
>
>  Modified files:
>    sys/amd64/amd64      identcpu.c mp_machdep.c
>    sys/amd64/include    smp.h
>    sys/i386/i386        identcpu.c mp_machdep.c
>    sys/i386/include     smp.h
>    sys/ia64/ia64        mp_machdep.c
>    sys/kern             sched_ule.c subr_smp.c
>    sys/powerpc/powerpc  mp_machdep.c
>    sys/sparc64/sparc64  mp_machdep.c
>    sys/sun4v/sun4v      mp_machdep.c
>    sys/sys              smp.h
>  Log:
>   - Remove the old smp cpu topology specification with a new, more flexible
>     tree structure that encodes the level of cache sharing and other

Should read 'replace'.

>     properties.
>   - Provide several convenience functions for creating one and two level
>     cpu trees as well as a default flat topology.  The system now always
>     has some topology.
>   - On i386 and amd64 create a seperate level in the hierarchy for HTT
>     and multi-core cpus.  This will allow the scheduler to intelligently
>     load balance non-uniform cores.  Presently we don't detect what level
>     of the cache hierarchy is shared at each level in the topology.

s/seperate/separate/

Hopefully I coded better than I spelled.

Thanks,
Jeff

>   - Add a mechanism for testing common topologies that have more information
>     than the MD code is able to provide via the kern.smp.topology tunable.
>     This should be considered a debugging tool only and not a stable api.
>
>  Sponsored by:   Nokia
>
>  Revision  Changes    Path
>  1.158     +7 -1      src/sys/amd64/amd64/identcpu.c
>  1.288     +30 -41    src/sys/amd64/amd64/mp_machdep.c
>  1.92      +4 -1      src/sys/amd64/include/smp.h
>  1.184     +6 -1      src/sys/i386/i386/identcpu.c
>  1.283     +30 -41    src/sys/i386/i386/mp_machdep.c
>  1.91      +4 -1      src/sys/i386/include/smp.h
>  1.68      +7 -0      src/sys/ia64/ia64/mp_machdep.c
>  1.225     +1 -64     src/sys/kern/sched_ule.c
>  1.204     +188 -14   src/sys/kern/subr_smp.c
>  1.14      +7 -0      src/sys/powerpc/powerpc/mp_machdep.c
>  1.37      +7 -0      src/sys/sparc64/sparc64/mp_machdep.c
>  1.9       +7 -0      src/sys/sun4v/sun4v/mp_machdep.c
>  1.87      +32 -9     src/sys/sys/smp.h
>