Re: [GIT] Sparc

[David Miller]

From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Date: Mon, 27 Oct 2014 14:09:38 -0700

> Perhaps sparc should be defining CONFIG_HAVE_GENERIC_RCU_GUP.
> 
> We really should switch x86 to the generic version - from a quick read
> it looks like it will work without needing any changes.
> 
> Steve, thoughts?

We need to add the necessary hooks to the generic code so that x86
doesn't so specualtive gets and instead do direct increments,
otherwise it's a performance regression, and then sparc can make use
of that as well.
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