linux-kernel - Re: [PATCH] video: fbdev: use memset

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <87lf35nkfp.fsf@mpe.ellerman.id.au>
Date:   Thu, 07 Oct 2021 22:28:10 +1100
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Christophe Leroy <christophe.leroy@...roup.eu>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     Christophe Leroy <christophe.leroy@...roup.eu>,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        Stan Johnson <userm57@...oo.com>,
        Finn Thain <fthain@...ux-m68k.org>
Subject: Re: [PATCH] video: fbdev: use memset_io() instead of memset()

Christophe Leroy <christophe.leroy@...roup.eu> writes:
> While investigating a lockup at startup on Powerbook 3400C, it was
> identified that the fbdev driver generates alignment exception at
> startup:
...
>
> Use fb_memset() instead of memset(). fb_memset() is defined as
> memset_io() for powerpc.
>
> Fixes: 8c8709334cec ("[PATCH] ppc32: Remove CONFIG_PMAC_PBOOK")
> Reported-by: Stan Johnson <userm57@...oo.com>
> Cc: Finn Thain <fthain@...ux-m68k.org>
> Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
> ---
>  drivers/video/fbdev/chipsfb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Looks like drivers/video/fbdev is orphaned, so I'll pick this up via
powerpc.

cheers