Date: Fri, 23 Aug 2002 17:25:08 -0700 (PDT) From: Julian Elischer <julian@elischer.org> To: Peter Wemm <peter@wemm.org> Cc: Martin Blapp <mb@imp.ch>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: Hurrah ! Re: cvs commit: src/sys/i386/isa apic_vector.s Message-ID: <Pine.BSF.4.21.0208231724460.69410-100000@InterJet.elischer.org> In-Reply-To: <Pine.BSF.4.21.0208231701400.69410-100000@InterJet.elischer.org>
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oops missed the bit where yuo said it could be turned off for such a machine... On Fri, 23 Aug 2002, Julian Elischer wrote: > I'm guessing this would be a problem for 4MB machines? > :-) > (STOP LAUGHING!!!) > > > On Fri, 23 Aug 2002, Peter Wemm wrote: > [...] > > > > What it does is this: > > - Move the default load address of the kernel from 1MB to 4MB. > > - This avoids having a 4MB page pointing at physical address zero, which > > some early intel errata say is a Bad Idea which causes strange TLB bugs. > [...] > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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