linux-kernel - Re: [PATCH] x86: Add support for 64bit get

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Message-ID: <20130208162427.GG9135@intel.com>
Date:	Fri, 8 Feb 2013 18:24:27 +0200
From:	Ville Syrjälä <ville.syrjala@...ux.intel.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	linux-kernel@...r.kernel.org, x86@...nel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jamie Lokier <jamie@...reable.org>
Subject: Re: [PATCH] x86: Add support for 64bit get_user() on x86-32

On Thu, Feb 07, 2013 at 09:59:00AM -0800, H. Peter Anvin wrote:
> On 02/07/2013 08:53 AM, Ville Syrjälä wrote:
> > 
> > Based on the initial response there seems to be some interest towards
> > it at least. So I'm wondering what's the next step. Is it OK as is,
> > or does it need more work, or would people want to extend it to include
> > more of the original work?
> > 
> > I have quite a lot of other stuff on my plate currently, so it'd
> > actually be nice if I could find someone to adopt this patch,
> > especially if there's interest in increasing the scope.
> > 
> 
> Well, we can put it in and see what happens.  It looks good from what I
> can see.
> 
> How have you tested it?

I've tried it with my drm/kms atomic pageflip/modeset code. I also had
a small test module that did a couple of different sized get_user()
calls, but I'll be damned if I can find it again.

-- 
Ville Syrjälä
Intel OTC
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