Messages in this thread | | | Date | Fri, 21 Sep 2007 17:46:59 -0700 | From | Howard Chu <> | Subject | Re: MTRR initialization |
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Siddha, Suresh B wrote: > On Fri, Sep 14, 2007 at 09:33:30AM -0700, Howard Chu wrote: >> So now I have this, which is pretty much >> what >> I wanted: >> >> reg00: base=0x00000000 ( 0MB), size=2048MB: write-back, count=1 >> reg01: base=0x80000000 (2048MB), size=1024MB: write-back, count=1 >> reg02: base=0x100000000 (4096MB), size=1024MB: write-back, count=1 >> reg03: base=0xc0000000 (3072MB), size=1024MB: uncachable, count=1 >> reg04: base=0xc0000000 (3072MB), size= 256MB: write-combining, count=1 >> reg05: base=0xd0000000 (3328MB), size= 256MB: write-combining, count=1 > > BTW, having overlapping WC, UC regions make the end result UC. So in this > case, you may not be getting the desired performance.
Thanks, I noticed that later. I simply deleted the UC mapping since it was no longer needed. -- -- Howard Chu Chief Architect, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc/ Chief Architect, OpenLDAP http://www.openldap.org/project/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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