Messages in this thread | | | Date | Thu, 5 Apr 2001 15:15:26 +0200 (MET DST) | From | "Maciej W. Rozycki" <> | Subject | Re: [Linux-fbdev-devel] Re: fbcon slowness [was NTP on 2.4.2?] |
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On Thu, 5 Apr 2001, Geert Uytterhoeven wrote:
> > 32bit writes on a bus with a word size of 64 or more bits. By the way > > does anyone know who didn't implement MTRR's or the equivalent on > > alpha so we can shoot them? > > People never get shot in Open Source projects. Not when they write buggy code, > not when they don't implement some features.
Was DEC Alpha an Open Source project? ;-)
Memory barriers are more RISC-styled and more flexible anyway (e.g. you can't run out of them ;-) ), though they require a greater care when writing code. MTRRs are the Intel style of complicating designs. Still they are probably a reasonable solution to preserve DOS compatibility.
-- + Maciej W. Rozycki, Technical University of Gdansk, Poland + +--------------------------------------------------------------+ + e-mail: macro@ds2.pg.gda.pl, PGP key available +
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