Date: Wed, 29 Mar 2006 02:28:52 -0700 From: Scott Long <scottl@samsco.org> To: "Conrad J. Sabatier" <conrads@cox.net> Cc: freebsd-current@freebsd.org Subject: Re: device atpic to be deprecated? Message-ID: <442A5354.4020108@samsco.org> In-Reply-To: <20060329020527.f8f087a4.conrads@cox.net> References: <20060329020527.f8f087a4.conrads@cox.net>
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Conrad J. Sabatier wrote: > While searching the mailing lists recently on an unrelated subject, I happened across a message mentioning the intended removal of "device atpic" in 7.0. So, I tried building a kernel without it on my RELENG_6 amd64 box (nVidia nForce 3 chipset) and discovered that it was unable to mount the root slice. > > Naturally, I'm a little concerned about this. :-) > > Is the plan still in effect to abolish this device? > There might have been hope at one time that amd64 would not need it. I beleive that that ioapic is part of the amd64 system spec that motherboard/chipset makers must implement. However, engineering inertia is hard to overcome, and it's likely that this is just a fantasy. For i386, it simply has no chance of ever going away. My guess is that it'll take a next generation platform to completely do away with ISA, ATPIC, and other legacy components. Hmmm.... maybe that next-gen platform is the MacIntel? Scott
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