[OE-core] [PATCH] map_kernel_arch: x86 sub-architectures

[Sergey Matyukevich]

Hello,

>> Suppose we build software for x86 targets on x86 build hosts. There are use-cases
>> when it is not enough to specify x86 as a kernel architecture. It is necessary
>
> What are the details of the use cases ? I've never run into this myself, and
> almost no parts of the kernel build infrastructure differentiates between
> x86 and x86_64 .. so I'm curious to know what is breaking.

So far we observed this problem in two cases:
- build systemtap modules for x86_32 target on x86_64 build hosts
- build virtualbox-guest modules for x86_32 target on x86_64 build hosts

Sergey