From: Borislav Petkov <bp@alien8.de>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@kernel.org>, Ingo Molnar <mingo@kernel.org>,
x86@kernel.org, linux-kernel@vger.kernel.org,
Brian Gerst <brgerst@gmail.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Oleg Nesterov <oleg@redhat.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Andrey Ryabinin <aryabinin@virtuozzo.com>
Subject: Re: several messages
Date: Fri, 29 Jan 2016 14:21:14 +0100 [thread overview]
Message-ID: <20160129132114.GF10187@pd.tnic> (raw)
In-Reply-To: <alpine.DEB.2.11.1601271108230.3886@nanos>
On Wed, Jan 27, 2016 at 11:09:04AM +0100, Thomas Gleixner wrote:
> 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.
I have an IVB model 58. It doesn't have it:
CPUID_0x00000007: EAX=0x00000000, EBX=0x00000281, ECX=0x00000000, EDX=0x00000000
INVPCID should be EBX[10].
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
next prev parent reply other threads:[~2016-01-29 13:21 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-25 18:37 [PATCH v2 0/3] x86/mm: INVPCID support Andy Lutomirski
2016-01-25 18:37 ` [PATCH v2 1/3] x86/mm: Add INVPCID helpers Andy Lutomirski
2016-01-29 11:19 ` Borislav Petkov
2016-01-25 18:37 ` [PATCH v2 2/3] x86/mm: Add a noinvpcid option to turn off INVPCID Andy Lutomirski
2016-01-29 11:21 ` Borislav Petkov
2016-01-25 18:37 ` [PATCH v2 3/3] x86/mm: If INVPCID is available, use it to flush global mappings Andy Lutomirski
2016-01-29 14:26 ` Borislav Petkov
2016-01-29 17:35 ` Andy Lutomirski
2016-01-29 18:27 ` Borislav Petkov
2016-01-25 18:57 ` [PATCH v2 0/3] x86/mm: INVPCID support Ingo Molnar
2016-01-27 10:09 ` several messages Thomas Gleixner
2016-01-29 13:21 ` Borislav Petkov [this message]
-- strict thread matches above, loose matches on Subject: below --
2014-11-10 6:26 [PATCH 00/13] Add VT-d Posted-Interrupts support for KVM Feng Wu
2014-11-10 6:26 ` [PATCH 13/13] iommu/vt-d: Add a command line parameter for VT-d posted-interrupts Feng Wu
2014-11-10 18:15 ` several messages Thomas Gleixner
2014-11-11 2:28 ` Jiang Liu
2014-11-11 6:37 ` Wu, Feng
2010-07-11 15:06 [PATCHv2] netfilter: add CHECKSUM target Michael S. Tsirkin
2010-07-11 15:14 ` [PATCHv3] extensions: libxt_CHECKSUM extension Michael S. Tsirkin
2010-07-15 9:39 ` Patrick McHardy
2010-07-15 10:17 ` several messages Jan Engelhardt
2008-11-26 14:33 [PATCH 0/1] HID: hid_apple is not used for apple alu wireless keyboards Jan Scholz
2008-11-26 14:33 ` [PATCH 1/1] HID: Apple alu wireless keyboards are bluetooth devices Jan Scholz
2008-11-26 14:54 ` Jiri Kosina
2008-11-26 15:17 ` Jan Scholz
2008-11-26 15:33 ` Jiri Kosina
2008-11-26 21:06 ` Tobias Müller
2008-11-27 0:57 ` several messages Jiri Kosina
2008-10-19 14:15 [PATCH 1/2] HID: add hid_type Jiri Slaby
2008-10-19 14:15 ` [PATCH 2/2] HID: fix appletouch regression Jiri Slaby
2008-10-19 19:40 ` several messages Jiri Kosina
2008-10-19 20:06 ` Justin Mattock
2008-10-19 22:09 ` Jiri Slaby
[not found] <200702211929.17203.david-b@pacbell.net>
2007-02-22 3:50 ` [patch 6/6] rtc suspend()/resume() restores system clock David Brownell
2007-02-22 22:58 ` several messages Guennadi Liakhovetski
2007-02-23 1:15 ` David Brownell
2007-02-23 11:17 ` Johannes Berg
2006-04-11 17:33 Linux 2.6.16.4 Greg KH
2006-04-11 19:04 ` several messages Jan Engelhardt
2006-04-11 19:20 ` Boris B. Zhmurov
2006-04-11 20:30 ` Greg KH
2006-04-11 23:46 ` Jan Engelhardt
2006-04-12 0:36 ` Nix
2005-05-04 17:31 ata over ethernet question Maciej Soltysiak
2005-05-04 19:48 ` David Hollis
2005-05-04 21:17 ` Re[2]: " Maciej Soltysiak
2005-05-05 15:09 ` David Hollis
2005-05-07 15:05 ` Sander
2005-05-10 22:00 ` Guennadi Liakhovetski
2005-05-11 8:56 ` Vladislav Bolkhovitin
2005-05-11 21:26 ` several messages Guennadi Liakhovetski
2005-05-12 2:16 ` Ming Zhang
2005-05-12 18:32 ` Dmitry Yusupov
2005-05-13 8:12 ` Christoph Hellwig
2005-05-13 15:04 ` Dmitry Yusupov
2005-05-13 15:07 ` Christoph Hellwig
2005-05-13 15:38 ` Dmitry Yusupov
2005-05-12 10:17 ` Vladislav Bolkhovitin
2004-05-11 8:45 2.6.6-rc3-mm2 (4KSTACK) Helge Hafting
2004-05-11 17:59 ` several messages Bill Davidsen
2003-04-22 10:34 [patch] HT scheduler, sched-2.5.68-A9 Ingo Molnar
2003-04-22 22:16 ` several messages Bill Davidsen
2003-04-22 23:38 ` Rick Lindsley
2003-04-23 9:17 ` Ingo Molnar
2003-01-23 0:20 ANN: LKMB (Linux Kernel Module Builder) version 0.1.16 Hal Duston
2003-01-27 16:46 ` several messages Bill Davidsen
2003-01-27 16:59 ` David Woodhouse
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