Re: [PATCH 1/4] x86, gart: Don't enforce GART aperture lower-boundby alignment

[H. Peter Anvin]

On 04/18/2011 10:36 AM, Joerg Roedel wrote:
>>
>> The right thing to do for in-place kexec it to turn it off, not rely on
>> any specific magic addresses.  We have had this problem with a number of
>> drivers in the context of kexec.
> 
> Ok, so changing the start-address to zero seems the best thing to do.
> This way the GART will working again on machines with less than 512MB of
> RAM (and a BIOS that does not initialize the GART as we want it).
> 

I'm going to apply your patch as-is, based on the notion that this is a
change of mechanism, and a change of policy is a separate thing.
However, we should address the shutdown of the GART first, and then we
can move the start address to zero (again, two separate patches.)

	-hpa
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/