[v4] powerpc: Define and use PPC64_ELF_ABI_v2/v1

[Michael Ellerman]

On Mon, 2016-06-06 at 16:56:10 UTC, "Naveen N. Rao" wrote:
> From: Michael Ellerman <mpe at ellerman.id.au>
> 
> We're approaching 20 locations where we need to check for ELF ABI v2.
> That's fine, except the logic is a bit awkward, because we have to check
> that _CALL_ELF is defined and then what its value is.
> 
> So check it once in asm/types.h and define PPC64_ELF_ABI_v2 when ELF ABI
> v2 is detected.
> 
> We also have a few places where what we're really trying to check is
> that we are using the 64-bit v1 ABI, ie. function descriptors. So also
> add a #define for that, which simplifies several checks.
> 
> Signed-off-by: Naveen N. Rao <naveen.n.rao at linux.vnet.ibm.com>
> Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>

Applied to powerpc next.

https://git.kernel.org/powerpc/c/f55d966536034d33476fdd43c4

cheers