linux-kernel - Re: [PATCH 3/4] x86: Implement strict user copy checks for x86

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Message-Id: <20110630121909.d4ac1bfc.akpm@linux-foundation.org>
Date:	Thu, 30 Jun 2011 12:19:09 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Stephen Boyd <sboyd@...eaurora.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] x86: Implement strict user copy checks for x86_64

On Tue, 31 May 2011 11:14:32 -0700
Stephen Boyd <sboyd@...eaurora.org> wrote:

> Strict user copy checks are only really supported on x86_32 even
> though the config option is selectable on x86_64. Add the
> necessary support to the 64 bit code to trigger copy_from_user()
> warnings at compile time.

So I'm getting 20-30 warnings from an x86_64 allmodconfig build.

I don't think we want a million other people to have to put up with
those warnings too.  Can you please take a look at fixing these up?

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