powerpc/64: syscall ABI

[Michael Ellerman]

On Wed, 2016-14-09 at 03:21:47 UTC, Nicholas Piggin wrote:
> Add some documentation for the 64-bit syscall ABI, which doesn't seem
> to be documented elsewhere.
> 
> This attempts to documented existing practice. The only small
> discrepancy is glibc clobbers not quite matching the kernel (e.g.,
> xer, some vsyscalls trash cr1 whereas glibc only clobbers cr0). These
> will be resolved after this document is merged.
> 
> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/7b8845a2a2ec4d9658225cf9c5

cheers