Re: [PATCH] fix __percpu annotation in asm-generic

Luc Van Oostenryck
2020-03-24T06:44:57Z

On Mon, Mar 23, 2020 at 10:13:47PM -0600, Jason A. Donenfeld wrote:
> On Sat, Nov 30, 2019 at 01:00:37AM +0100, Luc Van Oostenryck wrote:
> > Note: it would be much much nicer to do all these type generic
> > macros with '__auto_type' (only supported in GCC 4.9 IIUC
> > and supported in sparse but it shouldn't be very hard to do)..
>
> I'm curious to know if you know why we're not using __auto_type. Because
> we're stuck on gcc 4.6, or is there a more subtle reason?

I suppose. I don't remember having ever seen a discussion on the
subject (other than a simple remark like "it would be simpler
with __auto_type").

Mainline Sparse doesn't support it but I've a pending series for it
that seems to work well.

-- Luc