Re: [PATCH v3 1/8] riscv: add prototypes for assembly language functions from entry.S

From: Paul Walmsley
Date: Thu Oct 24 2019 - 19:59:07 EST


On Fri, 18 Oct 2019, Christoph Hellwig wrote:

> On Fri, Oct 18, 2019 at 01:08:34AM -0700, Paul Walmsley wrote:
> > Add prototypes for assembly language functions defined in entry.S,
> > and include these prototypes into C source files that call those
> > functions.
> >
> > This patch resolves the following warnings from sparse:
> >
> > arch/riscv/kernel/signal.c:32:53: warning: incorrect type in initializer (different address spaces)
>
> I don't see how adding prototypes will fix an address space warning.

You're right - that was a cut-and-paste error on my part.

[ ... ]
> All these are not defined in entry.S, but called from entry.S.

Indeed. After reviewing this patch closely, I've just dropped it, and
used __visible for just about everything. All that is reflected in the v4
series.

Thanks for the review.

- Paul