Date: Sat, 12 Apr 2003 09:29:28 -0700 From: "Bruce A. Mah" <bmah@freebsd.org> To: Paul Saab <ps@freebsd.org> Cc: cvs-all@freebsd.org Subject: Re: 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 Message-ID: <20030412162928.GA7567@intruder.bmah.org> In-Reply-To: <200303261949.h2QJnYbV041148@repoman.freebsd.org> References: <200303261949.h2QJnYbV041148@repoman.freebsd.org>
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--mYCpIKhGyMATD0i+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable If memory serves me right, Paul Saab wrote: > ps 2003/03/26 11:49:34 PST >=20 > FreeBSD src repository >=20 > Modified files: > sys/conf options.i386 options.pc98=20 > sys/i386/conf NOTES SMP=20 > sys/i386/i386 machdep.c mp_machdep.c=20 > sys/i386/include smp.h=20 > 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. > =20 > Examples of how to use this: > machdep.hlt_cpus=3D1 halt cpu0 > machdep.hlt_cpus=3D2 halt cpu1 > machdep.hlt_cpus=3D4 halt cpu2 > machdep.hlt_cpus=3D3 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. --mYCpIKhGyMATD0i+ Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE+mD7n2MoxcVugUsMRAlt8AKCjAL7mFBqdBfL0owlB0j+EGfWqvACg9kLW lWB8na/fRmrBVwdAohi+QGk= =JImD -----END PGP SIGNATURE----- --mYCpIKhGyMATD0i+--
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