linux-kernel - Re: several messages

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Message-ID: <alpine.DEB.2.11.1601271108230.3886@nanos>
Date:	Wed, 27 Jan 2016 11:09:04 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Andy Lutomirski <luto@...nel.org>, Ingo Molnar <mingo@...nel.org>
cc:	x86@...nel.org, linux-kernel@...r.kernel.org,
	Borislav Petkov <bp@...en8.de>,
	Brian Gerst <brgerst@...il.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	Andrey Ryabinin <aryabinin@...tuozzo.com>
Subject: Re: several messages

On Mon, 25 Jan 2016, Andy Lutomirski wrote:
> This is a straightforward speedup on Ivy Bridge and newer, IIRC.
> (I tested on Skylake.  INVPCID is not available on Sandy Bridge.
> I don't have Ivy Bridge, Haswell or Broadwell to test on, so I
> could be wrong as to when the feature was introduced.)

Haswell and Broadwell have it. No idea about ivy bridge.
 
Thanks,

	tglx