MTRR patch v1.18

Richard Gooch (Richard.Gooch@atnf.CSIRO.AU)
Wed, 29 Apr 1998 12:15:31 +1000

Hi, all. I've released v1.18 of my MTRR (set Memory Type Range
Registers) patch. It may be found at:

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

This patch is against kernel 2.1.99-pre1, although it should still
patch to 2.1.9{7,8}.

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.

CALL to people with more than 2 CPUs: please let me know if this works
for you too (it should).

Changes since v1.17:

- Moved register-setting macros into arch/i386/kernel/mtrr.c

- Moved setup code from init/main.c to i386-specific areas



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