cvs commit: src/sys/conf options.i386 options.pc98 src/sys/i386/conf NOTES SMP src/sys/i386/i386 machdep.c mp_machdep.c src/sys/i386/include smp.h

[Bruce A. Mah]

If memory serves me right, Paul Saab wrote:
> ps          2003/03/26 11:49:34 PST
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/conf             options.i386 options.pc98 
>     sys/i386/conf        NOTES SMP 
>     sys/i386/i386        machdep.c mp_machdep.c 
>     sys/i386/include     smp.h 
>   Log:
>   Nuke options HTT infavor of machdep.hlt_logical_cpus tunable/sysctl.
>   This keeps the logical cpu's halted in the idle loop.  By default
>   the logical cpu's are halted at startup.  It is also possible to
>   halt any cpu in the idle loop now using machdep.hlt_cpus.
>   
>   Examples of how to use this:
>   machdep.hlt_cpus=1      halt cpu0
>   machdep.hlt_cpus=2      halt cpu1
>   machdep.hlt_cpus=4      halt cpu2
>   machdep.hlt_cpus=3      halt cpu0,cpu1

It'd probably be a Good Thing (TM) if somebody
(anybody...anybody...Bueller...???...)  could add this information to
the smp(4) manpage.  I'm not sure if I understand this well enough to
write the release note decribing this change.

Thanks,

Bruce.
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