linux-kernel - Re: [PATCH] x86: unify copy_from

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Message-Id: <5260279702000078000FBDE8@nat28.tlf.novell.com>
Date:	Thu, 17 Oct 2013 17:08:23 +0100
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"Arjan van de Ven" <arjan@...ux.intel.com>
Cc:	<mingo@...e.hu>, <tglx@...utronix.de>, <linux@...ck-us.net>,
	<linux-kernel@...r.kernel.org>, <hpa@...or.com>
Subject: Re: [PATCH] x86: unify copy_from_user() checking

>>> On 17.10.13 at 18:04, Arjan van de Ven <arjan@...ux.intel.com> wrote:
>> 
>> ... and the non-constant case be taken care of at run time.
>> That's precisely what the patch does.
> 
> fair enough.
> 
> I would like to see a comment above the code to describe this reasoning
> and the objective and what the desired behavior is... so that we don't
> have to reverse engineer this again 2 years from now ;-)

Will do, and then perhaps mirror the whole behavior to
copy_to_user().

Jan

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