Re: Is this patch okay?

[Matt Reppert <arashi@arashi.yi.org>]

On Wed, 4 Dec 2002 21:46:54 +0100 (CET)
Maciej Soltysiak <solt@dns.toxicfilms.tv> wrote:

> Hello,
> 
> i downloaded 2.5.50, started compiling it, and it bailed out with an error
> in drivers/pci/quirks.c, that sis_apic_bug is not defined.
> I did a quick grep around the source and found a file to include.
> 
> Basically, this is what i did.
> 
> *** linux-2.5.50.old/drivers/pci/quirks.c       Wed Nov 27 23:35:48 2002
> --- linux-2.5.50/drivers/pci/quirks.c   Wed Dec  4 21:40:44 2002
> ***************
> *** 18,23 ****
> --- 18,24 ----
>   #include <linux/pci.h>
>   #include <linux/init.h>
>   #include <linux/delay.h>
> + #include <asm/io_apic.h>
> 
>   #undef DEBUG
> 
> Is it okay to include it like that?
> Or should it be fixed some other way? I am just getting around the kernel,
> though the kernel has one my small patch, i am definitelly no guru.

Hi, the fix in the -ac tree for this is to put "extern int sis_apic_bug;"
directly before its usage. Including <asm/io_apic.h> is incorrect because
while this file will compile on several platforms, io_apic.h only exists
on i386 and x86_64, so this would break on, say, Alpha.

Matt