linux-kernel - Re: [PATCH v4 3/7] x86: put msr-index.h in uapi

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Date:   Mon, 23 Jan 2017 09:21:03 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Nicolas Dichtel <nicolas.dichtel@...nd.com>, arnd@...db.de,
        mmarek@...e.com, linux-kbuild@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        airlied@...ux.ie, davem@...emloft.net, linux@...linux.org.uk,
        slash.tmp@...e.fr, daniel.vetter@...ll.ch,
        rmk+kernel@...linux.org.uk, msalter@...hat.com, jengelh@...i.de,
        hch@...radead.org, tklauser@...tanz.ch, mpe@...erman.id.au,
        mingo@...nel.org, hpa@...or.com
Subject: Re: [PATCH v4 3/7] x86: put msr-index.h in uapi

On Mon, Jan 23, 2017 at 06:17:32PM +0100, Borislav Petkov wrote:
> I know, we should not ever break userspace but if it were me, I'd remove
> that export and see what breaks. If at all.

Or keep the exported version as-is and never changed it, and use
a different copy for the kernel itself.