Date: Sat, 09 Nov 2002 14:11:02 -0800 From: Peter Wemm <peter@wemm.org> To: Alexander Langer <alex@big.endian.de> Cc: John Baldwin <jhb@FreeBSD.ORG>, cvs-all@FreeBSD.ORG, cvs-committers@FreeBSD.ORG Subject: Re: [src] cvs commit: src/sys/conf NOTES src/sys/i386/conf NOTES src/sys/modules Makefile Message-ID: <20021109221102.899BE2A88D@canning.wemm.org> In-Reply-To: <20021107111541.GN48049@fump.kawo2.rwth-aachen.de>
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Alexander Langer wrote: > Thus spake John Baldwin (jhb@FreeBSD.ORG): > > > ed(4) uses kvtop() and is thus i386-only. It has several other warnings > > related to sizeof(int) != sizeof(void *), but kvtop() is much harder to > > fix. > > I once had a patch to replace those kvtop() with equivalent calls > to pmap_kextract() from within the driver. Please do not directly use pmap_kextract() in MI code. The assumption that a PTE is also a physical address is a bad one. vtophys() is universally available on all platforms and mostly does the same thing (although probably with a different set of quirks). Cheers, -Peter -- Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com "All of this is for nothing if we don't go to the stars" - JMS/B5 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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