linux-kernel - Re: [PATCH] drm/udl: Fix unaligned memory access in udl_render

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Message-ID: <20170411153441.ccjuq3upwrzjuf6x@latitude>
Date:   Tue, 11 Apr 2017 17:34:41 +0200
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     Sean Paul <seanpaul@...omium.org>
Cc:     Jonathan Neuschäfer <j.neuschaefer@....net>,
        dri-devel@...ts.freedesktop.org, Dave Airlie <airlied@...hat.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/udl: Fix unaligned memory access in udl_render_hline

On Tue, Apr 11, 2017 at 09:30:53AM -0400, Sean Paul wrote:
> On Fri, Apr 07, 2017 at 10:02:29PM +0200, Jonathan Neuschäfer wrote:
> > On SPARC, the udl driver filled my kernel log with these messages:
> > 
> > [186668.910612] Kernel unaligned access at TPC[76609c] udl_render_hline+0x13c/0x3a0
> > 
> > Use put_unaligned_be16 to avoid them. On x86 this results in the same
> > code, but on SPARC the compiler emits two single-byte stores.
> > 
> 
> Pushed to drm-misc-fixes with Dave's IRC Ack.
> 
> Thanks,
> 
> Sean

Thanks as well :-)


Jonathan

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