linux-kernel - Re: [tip:x86/urgent] x86/entry: Restore traditional SYSENTER calling convention

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Message-ID: <568ABE76.7030005@zytor.com>
Date:	Mon, 04 Jan 2016 10:48:22 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Andy Lutomirski <luto@...capital.net>,
	Mingwei Shi <mingwei.shi@...el.com>,
	"Fu, Borun" <borun.fu@...el.com>,
	"Gross, Mark" <mark.gross@...el.com>,
	Andrew Lutomirski <luto@...nel.org>, Su Tao <tao.su@...el.com>,
	Borislav Petkov <bp@...en8.de>, Ingo Molnar <mingo@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Brian Gerst <brgerst@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Qiuxu Zhuo <qiuxu.zhuo@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	"Wang, Frank" <frank.wang@...el.com>
CC:	"linux-tip-commits@...r.kernel.org" 
	<linux-tip-commits@...r.kernel.org>
Subject: Re: [tip:x86/urgent] x86/entry: Restore traditional SYSENTER calling
 convention

On 01/04/2016 10:31 AM, Andy Lutomirski wrote:
> On Mon, Dec 21, 2015 at 7:10 AM, tip-bot for Andy Lutomirski
> <tipbot@...or.com> wrote:
>> Commit-ID:  30bfa7b3488bfb1bb75c9f50a5fcac1832970c60
>> Gitweb:     http://git.kernel.org/tip/30bfa7b3488bfb1bb75c9f50a5fcac1832970c60
>> Author:     Andy Lutomirski <luto@...nel.org>
>> AuthorDate: Wed, 16 Dec 2015 23:18:48 -0800
>> Committer:  Thomas Gleixner <tglx@...utronix.de>
>> CommitDate: Mon, 21 Dec 2015 16:05:01 +0100
>>
>> x86/entry: Restore traditional SYSENTER calling convention
> 
> This is still missing from Linus' tree AFAICT, and I'm a bit nervous
> about it landing in 4.4 without ever showing up in a -rc.
> 

Linus has frequently stated that if it is something that is critical
enough for stable, it is critical enough for final.  Linus will decide
if an additional -rc is needed for that reason.

	-hpa


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