linux-kernel - Re: x86, MCE: Retract most UAPI exports

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Message-ID: <CA+8MBb+yxuLtJhAzOWqcEtmhbF11iXXJymQ8Wyxq3CSJ-nfuLA@mail.gmail.com>
Date:	Tue, 8 Jan 2013 14:57:26 -0800
From:	Tony Luck <tony.luck@...el.com>
To:	Borislav Petkov <bp@...en8.de>, Tony Luck <tony.luck@...el.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: x86, MCE: Retract most UAPI exports

On Fri, Dec 21, 2012 at 8:34 AM, Borislav Petkov <bp@...en8.de> wrote:
> Hi Tony,
>
> we talked about this already and now that -rc1 is imminent, here's what
> I'm thinking of hiding back from UAPI so that there are no conflicts
> with userspace. I've left structs mce and mce_log since I know they're
> used in mcelog. Please take a look and let me know if I'm being too
> overzealous. I'd like to send this out for 3.8 still so that no exports
> get cast in stone.

I think we should also pull "struct mce_log" definition back too. It's
purely an internal structure. "struct mce" is the only bit that is user
space visible via /dev/mcelog.

I.e. the uapi version should only contain the "struct mce" definition
and the three ioctl codes.

-Tony
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