Date: Fri, 13 Sep 1996 19:31:46 -0700 From: erich@uruk.org To: "Rodney W. Grimes" <rgrimes@GndRsh.aac.dev.com> Cc: smp@csn.net (Steve Passe), smp@freebsd.org, peter@spinner.dialix.com Subject: Re: writing new apic_startup Message-ID: <199609140231.TAA16417@uruk.org> In-Reply-To: Your message of "Fri, 13 Sep 1996 12:55:44 PDT." <199609131955.MAA01166@GndRsh.aac.dev.com>
next in thread | previous in thread | raw e-mail | index | archive | help
"Rodney W. Grimes" <rgrimes@GndRsh.aac.dev.com> writes: > > Failing that does anyone see any reason why I shouldn't use the APIC > > timer? Is it currently used on the boot CPU for anything else? > > The very reason Intel added a timer to the APIC was because of the need to > do these timings during SMP initilization. Please do write your code to use > the APIC timer. I'd *highly* suggest that anybody doing this kind of stuff look at the Pentium eratta. I remember at least one bug in some versions about the APIC timer being somewhat off in some circumstances. -- Erich Stefan Boleyn \_ E-mail (preferred): <erich@uruk.org> Mad Genius wanna-be, CyberMuffin \__ (finger me for other stats) Web: http://www.uruk.org/~erich/ Motto: "I'll live forever or die trying"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199609140231.TAA16417>