Re: [PATCH v2 1/6] powerpc/perf: Define big-endian version of perf_mem_data_src

From: Peter Zijlstra
Date: Mon Mar 13 2017 - 08:51:14 EST


On Mon, Mar 13, 2017 at 04:45:51PM +0530, Madhavan Srinivasan wrote:
> > - should you not have fixed this in the tool only? This patch
> > effectively breaks ABI on big-endian architectures.
>
> IIUC, we are the first BE user for this feature
> (Kindly correct me if I am wrong), so technically we
> are not breaking ABI here :) . But let me also look at
> the dynamic conversion part.

Huh? PPC hasn't yet implemented this? Then why are you fixing it?