Re: 2.6.25-rc1 xen pvops regression

Andi Kleen
2008-02-22T10:14:27Z

Alan Cox wrote:
>> Actually I switched 64bit over to trust e820 completely and not
>> reserve 640k-1MB explicitly some time ago
>> and AFAIK there hasn't been any reports that it causes problems.
>>
>> So presumably trusting e802 is ok on modern systems (2003+)
>
> Apparently so - at least 64bit capable ones.

They should all use the same BIOS code bases, except perhaps
some embedded weirdnesses.

We do still sort the entries
> to remove zero length records and other suprises.

That code could be actually dropped. And the sorting too.
It's all not needed I think.

AFAIK none of the e820 access code cares about any of
that.

64bit only has it because I copied it originally and never
bothered to remove it.

-Andi