Build regressions/improvements in v5.16-rc7

[Johannes Berg]

On Mon, 2021-12-27 at 11:44 +0100, Geert Uytterhoeven wrote:
> 
> sparc64-gcc11/sparc-allmodconfig
> 
>    + /kisskb/src/drivers/video/fbdev/nvidia/nvidia.c: error: passing argument 1 of 'iounmap' discards 'volatile' qualifier from pointer target type [-Werror=discarded-qualifiers]:  => 1439:10, 1414:10
> 

This should be fixed by

commit 5f174ec3c1d62013f86db6597249174d8cb227b2
Author: Al Viro <viro at zeniv.linux.org.uk>
Date:   Mon Sep 20 21:32:49 2021 +0000

    logic_io instance of iounmap() needs volatile on argument


when it lands.

johannes