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From: mark gross <mgross@linux.intel.com>
To: speck@linutronix.de
Cc: dave@sr71.net
Subject: [MODERATED] Re: [patch V5 12/14] MDS basics 12
Date: Fri, 1 Mar 2019 14:00:33 -0800	[thread overview]
Message-ID: <20190301220033.GA24427@mgross-MOBL.amr.corp.intel.com> (raw)
In-Reply-To: <20190227152038.103543344@linutronix.de>

On Wed, Feb 27, 2019 at 04:09:51PM +0100, speck for Thomas Gleixner wrote:
> Subject: [patch V5 12/14] x86/speculation/mds: Add mitigation mode VMWERV
> From: Thomas Gleixner <tglx@linutronix.de>
> 
> In virtualized environments it can happen that the host has the microcode
> update which utilizes the VERW instruction to clear CPU buffers, but the
> hypervisor is not yet updated to expose the X86_FEATURE_MD_CLEAR CPUID bit
> to guests.
> 
> Introduce an internal mitigation mode VWWERV which enables the invocation
                                       ^VMWERV
--mark

  reply	other threads:[~2019-03-01 22:00 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-27 15:09 [patch V5 00/14] MDS basics 0 Thomas Gleixner
2019-02-27 15:09 ` [patch V5 01/14] MDS basics 1 Thomas Gleixner
2019-02-28 13:08   ` Thomas Gleixner
2019-02-27 15:09 ` [patch V5 02/14] MDS basics 2 Thomas Gleixner
2019-02-28 13:55   ` [MODERATED] " Josh Poimboeuf
2019-02-28 14:09     ` Thomas Gleixner
2019-02-28 20:23       ` [MODERATED] " Josh Poimboeuf
2019-03-01 16:04         ` Thomas Gleixner
2019-02-27 15:09 ` [patch V5 03/14] MDS basics 3 Thomas Gleixner
2019-02-27 16:34   ` [MODERATED] " Greg KH
2019-02-27 15:09 ` [patch V5 04/14] MDS basics 4 Thomas Gleixner
2019-02-27 15:09 ` [patch V5 05/14] MDS basics 5 Thomas Gleixner
2019-02-27 15:09 ` [patch V5 06/14] MDS basics 6 Thomas Gleixner
2019-02-27 15:09 ` [patch V5 07/14] MDS basics 7 Thomas Gleixner
2019-02-27 17:07   ` [MODERATED] " Greg KH
2019-02-27 15:09 ` [patch V5 08/14] MDS basics 8 Thomas Gleixner
2019-02-28  8:11   ` [MODERATED] " Greg KH
2019-02-27 15:09 ` [patch V5 09/14] MDS basics 9 Thomas Gleixner
2019-03-01 14:04   ` [MODERATED] " Josh Poimboeuf
2019-03-01 16:03     ` Thomas Gleixner
2019-03-01 16:40       ` [MODERATED] " Josh Poimboeuf
2019-03-01 18:39         ` Josh Poimboeuf
2019-03-01 19:15           ` Thomas Gleixner
2019-03-01 22:38             ` [MODERATED] " Andrea Arcangeli
2019-03-01 22:58               ` Thomas Gleixner
2019-03-02 19:22                 ` [MODERATED] Re: [SPAM] " Dave Hansen
2019-03-02 20:39                   ` Thomas Gleixner
2019-02-27 15:09 ` [patch V5 10/14] MDS basics 10 Thomas Gleixner
2019-02-27 15:09 ` [patch V5 11/14] MDS basics 11 Thomas Gleixner
2019-02-27 15:09 ` [patch V5 12/14] MDS basics 12 Thomas Gleixner
2019-03-01 22:00   ` mark gross [this message]
2019-02-27 15:09 ` [patch V5 13/14] MDS basics 13 Thomas Gleixner
2019-03-01 22:04   ` [MODERATED] " mark gross
2019-02-27 15:09 ` [patch V5 14/14] MDS basics 14 Thomas Gleixner
2019-02-27 17:49   ` Thomas Gleixner
2019-02-27 16:26 ` [MODERATED] Re: [patch V5 00/14] MDS basics 0 Linus Torvalds
2019-02-27 17:51   ` Thomas Gleixner
2019-02-27 18:13     ` Thomas Gleixner
2019-02-27 19:50       ` [MODERATED] " Linus Torvalds
2019-02-27 20:05         ` Thomas Gleixner
2019-02-27 21:04 ` Thomas Gleixner
2019-02-28  1:04   ` [MODERATED] " Josh Poimboeuf
2019-02-27 23:06 ` mark gross
2019-02-28  6:58   ` Thomas Gleixner

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