Re: [PATCH 27/35] core: move early_res

[Yinghai Lu]

On 02/16/2010 04:01 PM, H. Peter Anvin wrote:
> On 02/16/2010 03:53 PM, Yinghai Lu wrote:
>>>
>>> All this does would seem is it would change a build failure into a
>>> runtime panic.  I really fail to see how this is an improvement...
>>
>> current only x86 support to early_res replace bootmem.
>>
>> later if other arch is using that feature, it need to provide that get_max_mapped.
>>
> 
> If so, it would be better if this code isn't compiled at all on
> platforms that doesn't use it.  Masking a compile-time failure with a
> runtime failure when the code isn't actually used doesn't seem like the
> right thing.

I would like to.

but for x86, with CONFIG_NO_BOOTMEM set or not, early_res are all used.

so we add CONFIG_HAVE_EARLY_RES ?

Yinghai
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