Re: Pentium M config option for 2.6

From: Rob Love
Date: Sun Jan 04 2004 - 11:34:04 EST


On Sun, 2004-01-04 at 11:25, Dave Jones wrote:

> Regardless, Tomas's patch changed CONFIG_X86_L1_CACHE_SHIFT for
> that CPU, and CONFIG_X86_L1_CACHE_SHIFT shouldn't affect this.
> The cacheline size is determined at boottime using the code in
> pcibios_init() and set using pci_generic_prep_mwi().
>
> The config option is the default that pci_cache_line_size starts at,
> but this gets overridden when the CPU type is determined.

Yah. I was just answering in the abstract to the "does cache line
matter on non-SMP" question.

I actually like this patch (perhaps since I have a P-M :) and think it
ought to go in, although I agree with others that the P-M is more of a
super-P3 than a scaled down P4.

Rob Love


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