Date: Thu, 25 Feb 1999 22:10:49 +0100 From: Frank Nobis <fn@radio-do.de> To: Roger Hardiman <roger@cs.strath.ac.uk>, smp@FreeBSD.ORG Subject: Re: Run time detection of APIC Message-ID: <19990225221049.C347@radio-do.de> In-Reply-To: <36D597C2.446B@cs.strath.ac.uk>; from Roger Hardiman on Thu, Feb 25, 1999 at 06:34:42PM %2B0000 References: <36D597C2.446B@cs.strath.ac.uk>
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On Thu, Feb 25, 1999 at 06:34:42PM +0000, Roger Hardiman wrote: > > Can the module detect if we are in APIC mode at run time. I want > something like > #ifdef APIC_IO > .. do apic code > #else > .. if runtime says we are in APIC mode, panic this code has been > compiled for > .. a uni-processor kernel. > .. else do original code > #endif hw.ncpu: 2 or machdep.smp_active: 1 machdep.smp_cpus: 2 Would that do the job ? I never tried what happened, when running a SMP kernel on just one cpu. Frank -- Frank Nobis Email: PGP AVAILABLE Landgrafenstr. 130 dg3dcn http://www.radio-do.de/~fn/ 44139 Dortmund Powered by SMP FreeBSD To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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