linux-kernel - Re: Build regressions/improvements in v5.16-rc7

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Date:   Tue, 04 Jan 2022 10:04:03 +0100
From:   Johannes Berg <johannes@...solutions.net>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-kernel@...r.kernel.org
Cc:     linux-crypto@...r.kernel.org, sparclinux@...r.kernel.org,
        linux-um@...ts.infradead.org
Subject: Re: Build regressions/improvements in v5.16-rc7

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@...iv.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