MTRR patch v1.13

Richard Gooch (Richard.Gooch@atnf.CSIRO.AU)
Tue, 21 Apr 1998 11:20:37 +1000


Hi, all. I've released v1.13 of my MTRR (set Memory Type Range
Registers) patch. It may be found at:
http://www.atnf.csiro.au/~rgooch/kernel-patches.html

For those who don't know what this is about: you can gain an easy 2.5x
speedup blitting images to your PCI video card if you have a PPro/PII.

This patch is against kernel 2.1.97.

NOTE: people with certain types of GigaByte SMP boards which have
different BogoMIPS values for their processors or get lockups on boot
should find this patch useful.

Changes since v1.12:

- Safer synchronisation of MTRR changes across CPUs

Could people please give this a thorough testing. I plan on submitting
this to Linus soon. I'm hoping that all people experiencing lockups
with SMP machines (such as the GigaByte boards) will find the problems
are fixed.

Regards,

Richard....

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