linux-kernel - Re: [PATCH v4 4/7] mtrr, x86: Fix MTRR state checks in mtrr_type

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Message-ID: <20150506223917.GK22949@pd.tnic>
Date:	Thu, 7 May 2015 00:39:18 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Toshi Kani <toshi.kani@...com>
Cc:	akpm@...ux-foundation.org, hpa@...or.com, tglx@...utronix.de,
	mingo@...hat.com, linux-mm@...ck.org, x86@...nel.org,
	linux-kernel@...r.kernel.org, dave.hansen@...el.com,
	Elliott@...com, pebolle@...cali.nl
Subject: Re: [PATCH v4 4/7] mtrr, x86: Fix MTRR state checks in
 mtrr_type_lookup()

On Wed, May 06, 2015 at 09:23:31AM -0600, Toshi Kani wrote:
> I have a question.  Those bits define the bit field of enabled in struct
> mtrr_state_type, which is defined in this header.  Is it OK to only move
> those definitions to other header?

I think we shouldn't expose stuff to userspace if we don't have to
because then we're stuck with it. Userspace has managed so far without
those defines so I don't see why we should export them now.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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