LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Tim Chen <tim.c.chen@linux.intel.com>
To: mingo@kernel.org, jrg.otte@gmail.com, tglx@linutronix.de,
	linux-kernel@vger.kernel.org, torvalds@linux-foundation.org,
	hpa@zytor.com, linux-tip-commits@vger.kernel.org
Subject: Re: [tip:x86/urgent] x86/cpu: Restore CPUID_8000_0008_EBX reload
Date: Wed, 2 May 2018 11:08:02 -0700	[thread overview]
Message-ID: <868ee0c5-d10a-157a-18cb-ef9ea0f6b220@linux.intel.com> (raw)
In-Reply-To: <tip-c65732e4f72124ca5a3a0dd3bee0d3cee39c7170@git.kernel.org>

On 05/02/2018 07:48 AM, tip-bot for Thomas Gleixner wrote:
> Commit-ID:  c65732e4f72124ca5a3a0dd3bee0d3cee39c7170
> Gitweb:     https://git.kernel.org/tip/c65732e4f72124ca5a3a0dd3bee0d3cee39c7170
> Author:     Thomas Gleixner <tglx@linutronix.de>
> AuthorDate: Mon, 30 Apr 2018 21:47:46 +0200
> Committer:  Thomas Gleixner <tglx@linutronix.de>
> CommitDate: Wed, 2 May 2018 16:44:38 +0200
> 

snip

> 
> In hindsight this should have used completely synthetic bits for IBRB,

s/IBRB/IBPB

> IBRS, STIBP instead of reusing the AMD bits, but that's for 4.18.
> 
> /me needs to find time to cleanup that steaming pile of ...
> 
> Fixes: d94a155c59c9 ("x86/cpu: Prevent cpuinfo_x86::x86_phys_bits adjustment corruption")
> Reported-by: Jörg Otte <jrg.otte@gmail.com>
> Reported-by: Tim Chen <tim.c.chen@linux.intel.com>

Fix works for me too.  You can also add 
Tested-by: Tim Chen <tim.c.chen@linux.intel.com>

Thanks.

Tim

> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Tested-by: Jörg Otte <jrg.otte@gmail.com>
> Cc: Linus Torvalds <torvalds@linux-foundation.org>
> Cc: kirill.shutemov@linux.intel.com
> Cc: Borislav Petkov <bp@alien8.de
> Link: https://lkml.kernel.org/r/alpine.DEB.2.21.1805021043510.1668@nanos.tec.linutronix.de
> ---

      reply	other threads:[~2018-05-02 18:08 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-30 15:59 [v4.17-rcx] Lost IBPB, IBRS_FW support for spectre_v2 mitigation Jörg Otte
2018-04-30 19:53 ` Thomas Gleixner
2018-05-01  7:39   ` Jörg Otte
2018-05-01 12:59     ` Thomas Gleixner
2018-05-01 18:27       ` Thomas Gleixner
2018-05-01 23:07         ` Tim Chen
2018-05-01 20:14       ` Linus Torvalds
2018-05-02  7:43         ` Jörg Otte
2018-05-02  9:02           ` Thomas Gleixner
2018-05-02  9:25             ` Jörg Otte
2018-05-02 12:20               ` Thomas Gleixner
2018-05-04 16:18                 ` Borislav Petkov
2018-05-05  9:47                   ` Jörg Otte
2018-05-05  9:53                     ` Borislav Petkov
2018-05-02 14:48             ` [tip:x86/urgent] x86/cpu: Restore CPUID_8000_0008_EBX reload tip-bot for Thomas Gleixner
2018-05-02 18:08               ` Tim Chen [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=868ee0c5-d10a-157a-18cb-ef9ea0f6b220@linux.intel.com \
    --to=tim.c.chen@linux.intel.com \
    --cc=hpa@zytor.com \
    --cc=jrg.otte@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-tip-commits@vger.kernel.org \
    --cc=mingo@kernel.org \
    --cc=tglx@linutronix.de \
    --cc=torvalds@linux-foundation.org \
    --subject='Re: [tip:x86/urgent] x86/cpu: Restore CPUID_8000_0008_EBX reload' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).