Date: Sun, 10 Mar 2002 15:07:27 +0000 (GMT) From: Doug Rabson <dfr@nlsystems.com> To: Jeff Roberson <jroberson@chesapeake.net> Cc: Jeff Roberson <jeff@FreeBSD.org>, <cvs-committers@FreeBSD.org>, <cvs-all@FreeBSD.org> Subject: Re: cvs commit: src/sys/sys smp.h src/sys/kern subr_smp.c src/sys/i386/i386 mp_machdep.c src/sys/alpha/alpha mp_machdep.c Message-ID: <20020310150649.N504-100000@salmon.nlsystems.com> In-Reply-To: <20020309165518.W58901-100000@mail.chesapeake.net>
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On Sat, 9 Mar 2002, Jeff Roberson wrote: > > > On Sat, 9 Mar 2002, Doug Rabson wrote: > > > > > This screws up the SMP probe for ia64 because the information which > > cpu_mp_probe() uses isn't available until after cpu_startup() is called > > (i.e. SI_SUB_CPU:SI_ORDER_FIRST). The code in the ia64 platform which > > detects SMP can't (currently) run before the VM system is started... > > Is it possible to do it at all before the VM starts up? This really > throws a wrench in my uma plans. Can you even tell how many cpus you have > before then? If you can do this, and force your cpu ids to be virtual and > non sparse, then you can set mp_maxid to the number of cpus. It should be possible, yes. I'll sort out changing the ia64 platform code accordingly if you really need this information that early. -- Doug Rabson Mail: dfr@nlsystems.com Phone: +44 20 8348 6160 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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