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

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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