Date: Thu, 05 Sep 1996 19:50:30 -0700 From: David Greenman <dg@Root.COM> To: Steve Passe <smp@csn.net> Cc: Peter Wemm <peter@spinner.dialix.com>, Terry Lambert <terry@lambert.org>, rv@groa.uct.ac.za, smp@freebsd.org Subject: Re: SMP on Intel XXpress Message-ID: <199609060250.TAA05404@root.com> In-Reply-To: Your message of "Thu, 05 Sep 1996 17:49:52 MDT." <199609052349.RAA29064@clem.systemsix.com>
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>> It would not suprise me if it was.. Something certainly is amis somewhere > >I see a path in icu.s where a FAST_INTR holds the mp_lock and jmps thru >an address in: > >ihandlers: /* addresses of interrupt handlers */ > >this is not my area of knowledge, where exactly is the thread of >execution going at this point? ihandlers is an array of interrupt handlers that is indexed by the interrupt number (0-15). It is filled with the address of the "vector" routine (specified in your kernel config file on the controller lines, or dynamically during system startup in the PCI case). Does this answer your question? -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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