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
> ---
prev parent 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]
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