linux-kernel - Re: [tip:x86/urgent] x86/entry/32: Add an ASM_CLAC to entry_SYSENTER

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Message-ID: <1456388974.3923.6.camel@gmail.com>
Date:	Thu, 25 Feb 2016 09:29:34 +0100
From:	Mike Galbraith <umgwanakikbuti@...il.com>
To:	Ingo Molnar <mingo@...nel.org>,
	Andy Lutomirski <luto@...capital.net>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Brian Gerst <brgerst@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Lutomirski <luto@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Borislav Petkov <bp@...en8.de>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	"linux-tip-commits@...r.kernel.org" 
	<linux-tip-commits@...r.kernel.org>
Subject: Re: [tip:x86/urgent] x86/entry/32: Add an ASM_CLAC to
 entry_SYSENTER_32

On Thu, 2016-02-25 at 09:14 +0100, Ingo Molnar wrote:

> But but ... 'context tracking' is not really something that a regular distro 
> kernel cares about much - it's a nohz-full special AFAICS.

(psst.. distros are shipping it)