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SubjectRe: [PATCH] CONFIG_EISA note in Documentation/Configure.help
Steven Cole wrote:
> Well, the CONFIG_EISA option is there. My little patch was just intended to
> slightly enlighten those prone to "lets see what this option does". I
> compiled test11-pre4 both with and without CONFIG_EISA and the difference is
> very slight. Of course, if you had more items with EISA code, this difference
> would be bigger.
>
> 848 -rw-r--r-- 1 root root 868179 Nov 14 13:32 bzImage
> 848 -rw-r--r-- 1 root root 867973 Nov 14 13:28 bzImage.no_eisa
>
> The difference probably comes from my 3c59x driver.
>
> I also uglied up the 3c59x.c code with #ifdef CONFIG_EISA around the
> six sections relavant to EISA to see if that would save anything, and the
> object file was only 318 bytes smaller, probably not worth the uglyness of
> the six ifdefs. That modified code was not used in the above comparison.

When !CONFIG_EISA, the global variable 'EISA_bus' is unconditionally
zero. Therefore you merely need to test EISA_bus, as existing code
already should be doing.. As for 3c59x patches, they should go to the
maintainer, Andrew Morton..

Jeff


--
Jeff Garzik |
Building 1024 | The chief enemy of creativity is "good" sense
MandrakeSoft | -- Picasso
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