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From: Borislav Petkov <bp@suse.de>
To: speck@linutronix.de
Subject: [MODERATED] Re: [patch V6 08/14] MDS basics 8
Date: Wed, 6 Mar 2019 15:11:55 +0100	[thread overview]
Message-ID: <20190306141155.GE21338@zn.tnic> (raw)
In-Reply-To: <20190301214847.896222054@linutronix.de>

On Fri, Mar 01, 2019 at 10:47:46PM +0100, speck for Thomas Gleixner wrote:
> CPUs which are affected by L1TF and MDS mitigate MDS with the L1D Flush on
> VMENTER when updated microcode is installed.
> 
> If a CPU is not affected by L1TF or if the L1D Flush is not in use, then
> MDS mitigation needs to be invoked explicit.

				     explicitly.

> 
> For these cases, follow the host mitigation state and invoke the MDS
> mitigation before VMENTER.
> 
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> ---
> V4 --> V5: Fix changelog
> ---
>  arch/x86/kernel/cpu/bugs.c |    1 +
>  arch/x86/kvm/vmx/vmx.c     |    2 ++
>  2 files changed, 3 insertions(+)

With that:

Reviewed-by: Borislav Petkov <bp@suse.de>

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
-- 

  parent reply	other threads:[~2019-03-06 14:12 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-01 21:47 [patch V6 00/14] MDS basics 0 Thomas Gleixner
2019-03-01 21:47 ` [patch V6 01/14] MDS basics 1 Thomas Gleixner
2019-03-02  0:06   ` [MODERATED] " Frederic Weisbecker
2019-03-01 21:47 ` [patch V6 02/14] MDS basics 2 Thomas Gleixner
2019-03-02  0:34   ` [MODERATED] " Frederic Weisbecker
2019-03-02  8:34   ` Greg KH
2019-03-05 17:54   ` Borislav Petkov
2019-03-01 21:47 ` [patch V6 03/14] MDS basics 3 Thomas Gleixner
2019-03-02  1:12   ` [MODERATED] " Frederic Weisbecker
2019-03-01 21:47 ` [patch V6 04/14] MDS basics 4 Thomas Gleixner
2019-03-02  1:28   ` [MODERATED] " Frederic Weisbecker
2019-03-05 14:52     ` Thomas Gleixner
2019-03-06 20:00   ` [MODERATED] " Andrew Cooper
2019-03-06 20:32     ` Thomas Gleixner
2019-03-07 23:56   ` [MODERATED] " Andi Kleen
2019-03-08  0:36     ` Linus Torvalds
2019-03-01 21:47 ` [patch V6 05/14] MDS basics 5 Thomas Gleixner
2019-03-02  1:37   ` [MODERATED] " Frederic Weisbecker
2019-03-07 23:59   ` Andi Kleen
2019-03-08  6:37     ` Thomas Gleixner
2019-03-01 21:47 ` [patch V6 06/14] MDS basics 6 Thomas Gleixner
2019-03-04  6:28   ` [MODERATED] Encrypted Message Jon Masters
2019-03-05 14:55     ` Thomas Gleixner
2019-03-01 21:47 ` [patch V6 07/14] MDS basics 7 Thomas Gleixner
2019-03-02  2:22   ` [MODERATED] " Frederic Weisbecker
2019-03-05 15:30     ` Thomas Gleixner
2019-03-06 15:49       ` [MODERATED] " Frederic Weisbecker
2019-03-06  5:21   ` Borislav Petkov
2019-03-01 21:47 ` [patch V6 08/14] MDS basics 8 Thomas Gleixner
2019-03-03  2:54   ` [MODERATED] " Frederic Weisbecker
2019-03-04  6:57   ` [MODERATED] Encrypted Message Jon Masters
2019-03-04  7:06     ` Jon Masters
2019-03-04  8:12       ` Jon Masters
2019-03-05 15:34     ` Thomas Gleixner
2019-03-06 16:21       ` [MODERATED] " Jon Masters
2019-03-06 14:11   ` Borislav Petkov [this message]
2019-03-01 21:47 ` [patch V6 09/14] MDS basics 9 Thomas Gleixner
2019-03-06 16:14   ` [MODERATED] " Frederic Weisbecker
2019-03-01 21:47 ` [patch V6 10/14] MDS basics 10 Thomas Gleixner
2019-03-04  6:45   ` [MODERATED] Encrypted Message Jon Masters
2019-03-05 18:42   ` [MODERATED] Re: [patch V6 10/14] MDS basics 10 Andrea Arcangeli
2019-03-06 19:15     ` Thomas Gleixner
2019-03-06 14:31   ` [MODERATED] " Borislav Petkov
2019-03-06 15:30     ` Thomas Gleixner
2019-03-06 18:35       ` Thomas Gleixner
2019-03-06 19:34         ` [MODERATED] Re: " Borislav Petkov
2019-03-01 21:47 ` [patch V6 11/14] MDS basics 11 Thomas Gleixner
2019-03-01 21:47 ` [patch V6 12/14] MDS basics 12 Thomas Gleixner
2019-03-04  5:47   ` [MODERATED] Encrypted Message Jon Masters
2019-03-05 16:04     ` Thomas Gleixner
2019-03-05 16:40   ` [MODERATED] Re: [patch V6 12/14] MDS basics 12 mark gross
2019-03-06 14:42   ` Borislav Petkov
2019-03-01 21:47 ` [patch V6 13/14] MDS basics 13 Thomas Gleixner
2019-03-03  4:01   ` [MODERATED] " Josh Poimboeuf
2019-03-05 16:04     ` Thomas Gleixner
2019-03-05 16:43   ` [MODERATED] " mark gross
2019-03-01 21:47 ` [patch V6 14/14] MDS basics 14 Thomas Gleixner
2019-03-01 23:48 ` [patch V6 00/14] MDS basics 0 Thomas Gleixner
2019-03-04  5:30 ` [MODERATED] Encrypted Message Jon Masters

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