linux-kernel - Re: [PATCH 01/17] x86, fpu: wrap get_xsave

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Message-ID: <551586BE.1040501@sr71.net>
Date:	Fri, 27 Mar 2015 09:35:10 -0700
From:	Dave Hansen <dave@...1.net>
To:	Borislav Petkov <bp@...en8.de>
CC:	linux-kernel@...r.kernel.org, x86@...nel.org, tglx@...utronix.de,
	dave.hansen@...ux.intel.com, oleg@...hat.com, riel@...hat.com,
	sbsiddha@...il.com, luto@...capital.net, mingo@...hat.com,
	hpa@...or.com, fenghua.yu@...el.com
Subject: Re: [PATCH 01/17] x86, fpu: wrap get_xsave_addr() to make it safer

On 03/27/2015 08:15 AM, Borislav Petkov wrote:
> I'm not sure we want to export this to modules... and MPX cannot be
> built as a module either. So why export it?

The thing I was wrapping (get_xsave_addr()) was EXPORT_SYMBOL_GPL().  I
assumed that it was exported for good reason and that my wrapper should
follow suit.

I do expect this to get used by more things than just MPX going forward.

But, I guess folks can just export it if and when they need it.
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