Re: [PATCH 0/2] sh: get rid of __ARCH_USE_5LEVEL_HACK

Rich Felker
2019-12-17T15:15:49Z

On Tue, Dec 17, 2019 at 04:21:48PM +0200, Mike Rapoport wrote:
> From: Mike Rapoport <rppt@linux.ibm.com>
>
> Hi,
>
> These patches update the SuperH page table folding/unfolding to take into
> account the 5th level.

Is this only for 64-bit/sh5? If so, I'd really like to avoid having
patch churn that nominally keeps it working, since it doesn't; GCC
dropped support a long time ago and it was experimental to begin with,
never appeared in production. Has anyone looked lately at what it
would take to remove it?

Rich