From: Marcel van Nies <morcles@xxxxxxxxx>
Date: Wed, 30 May 2012 01:28:31 +0200
> I could actually bisect it down to this:
>
> commit 4d14a459857bd151ecbd14bcd37b4628da00792b
> Author: David S. Miller <davem@xxxxxxxxxxxxx>
> Date: Thu Dec 10 23:32:10 2009 -0800
>
> sparc: Stop trying to be so fancy and use __builtin_{memcpy,memset}()
I suspect the previous code was hiding cache aliasing effects and thus
cache handling bugs by using the Hypersparc optimized page copy block
op.
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