Re: about PENTIUM4 cache line

[Dave Jones]

On Sun, Aug 17, 2003 at 04:36:51PM -0400, David B. Stevens wrote:
 > What's even more interesting is the following:

why ?

 > tux:/usr/src/linux-2.6.0-test3 # grep -r "CONFIG_X86_L1_CACHE_SHIFT" *
 > arch/i386/defconfig:CONFIG_X86_L1_CACHE_SHIFT=7
 > arch/x86_64/defconfig:CONFIG_X86_L1_CACHE_SHIFT=6

correct default values for P4 and Hammer respectively.

 > include/asm-x86_64/cache.h:#define L1_CACHE_SHIFT 
 > (CONFIG_X86_L1_CACHE_SHIFT)

Looks sane.

 > include/linux/autoconf.h:#define CONFIG_X86_L1_CACHE_SHIFT 5

compile-time generated from .config

 > include/asm-i386/cache.h:#define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT)
 > include/asm/cache.h:#define L1_CACHE_SHIFT      (CONFIG_X86_L1_CACHE_SHIFT)

looks sane

 > include/config/x86/l1/cache/shift.h:#define CONFIG_X86_L1_CACHE_SHIFT 5

compile time generated from .config.

		Dave

-- 
 Dave Jones     http://www.codemonkey.org.uk
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