From: Tim Chen <tim.c.chen@linux.intel.com>
To: David Woodhouse <dwmw2@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>
Cc: Dave Hansen <dave.hansen@intel.com>,
Andy Lutomirski <luto@kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Greg KH <gregkh@linuxfoundation.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Andi Kleen <ak@linux.intel.com>,
Arjan Van De Ven <arjan.van.de.ven@intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 4/8] x86/spec_ctrl: Add sysctl knobs to enable/disable SPEC_CTRL feature
Date: Tue, 9 Jan 2018 12:31:02 -0800 [thread overview]
Message-ID: <b32ae421-7f1d-5d97-f43d-fe5dbe763d46@linux.intel.com> (raw)
In-Reply-To: <1515521613.22302.56.camel@infradead.org>
On 01/09/2018 10:13 AM, David Woodhouse wrote:
> On Tue, 2018-01-09 at 09:55 -0800, Tim Chen wrote:
>>
>> Thomas,
>>
>> I'll be sending an updated patchset with boot option opt in for ibrs
>> and leave the control varaible out. I agree that we can worry about the
>> control variable later.
>
> Please base this on the spectre_v2= option that's already in
> tip/x86/pti.
>
Will do that for boot option.
Tim
next prev parent reply other threads:[~2018-01-09 20:31 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-06 2:12 [PATCH v2 0/8] IBRS patch series Tim Chen
2018-01-06 2:12 ` [PATCH v2 1/8] x86/feature: Detect the x86 IBRS feature to control Speculation Tim Chen
2018-01-06 12:56 ` Borislav Petkov
2018-01-07 17:14 ` Tim Chen
2018-01-07 18:31 ` Borislav Petkov
2018-01-09 18:13 ` Dave Hansen
2018-01-09 18:55 ` Borislav Petkov
2018-01-08 16:14 ` Paolo Bonzini
2018-01-09 10:39 ` Paolo Bonzini
2018-01-09 17:53 ` Tim Chen
2018-01-09 17:58 ` Paolo Bonzini
2018-01-09 22:59 ` Tim Chen
2018-01-18 23:28 ` Andy Lutomirski
2018-01-06 2:12 ` [PATCH v2 2/8] x86/enter: MACROS to set/clear IBRS Tim Chen
2018-01-07 12:03 ` Borislav Petkov
2018-01-07 17:12 ` Tim Chen
2018-01-07 18:44 ` Borislav Petkov
2018-01-08 22:24 ` Tim Chen
2018-01-06 2:12 ` [PATCH v2 3/8] x86/enter: Use IBRS on syscall and interrupts Tim Chen
2018-01-07 19:27 ` Borislav Petkov
2018-01-06 2:12 ` [PATCH v2 4/8] x86/spec_ctrl: Add sysctl knobs to enable/disable SPEC_CTRL feature Tim Chen
2018-01-06 3:12 ` Dave Hansen
2018-01-08 12:47 ` Peter Zijlstra
2018-01-08 16:14 ` Peter Zijlstra
2018-01-08 17:28 ` Tim Chen
2018-01-08 17:42 ` Peter Zijlstra
2018-01-08 19:34 ` Woodhouse, David
2018-01-08 19:52 ` Lu, Hongjiu
2018-01-09 10:40 ` Thomas Gleixner
2018-01-09 17:55 ` Tim Chen
2018-01-09 18:13 ` David Woodhouse
2018-01-09 20:31 ` Tim Chen [this message]
2018-01-27 13:59 ` Konrad Rzeszutek Wilk
2018-01-27 14:26 ` David Woodhouse
2018-01-06 8:54 ` Greg KH
2018-01-06 18:10 ` Tim Chen
2018-01-06 21:25 ` Konrad Rzeszutek Wilk
2018-01-07 8:20 ` Greg KH
2018-01-06 14:41 ` Konrad Rzeszutek Wilk
2018-01-06 17:33 ` Dave Hansen
2018-01-06 17:41 ` Van De Ven, Arjan
2018-01-06 19:22 ` Dave Hansen
2018-01-06 19:47 ` Thomas Gleixner
2018-01-06 21:32 ` Konrad Rzeszutek Wilk
2018-01-06 21:34 ` Van De Ven, Arjan
2018-01-06 21:41 ` Konrad Rzeszutek Wilk
2018-01-06 21:44 ` Van De Ven, Arjan
2018-01-06 21:39 ` Thomas Gleixner
2018-01-06 21:46 ` Is: Linus, name for 'spectre' variable. Was:Re: " Konrad Rzeszutek Wilk
2018-01-06 18:23 ` Tim Chen
2018-01-06 18:20 ` Tim Chen
2018-01-08 15:08 ` Peter Zijlstra
2018-01-08 15:29 ` Van De Ven, Arjan
2018-01-08 17:02 ` Tim Chen
2018-01-08 15:11 ` Peter Zijlstra
2018-01-08 15:15 ` Peter Zijlstra
2018-01-08 15:53 ` Peter Zijlstra
2018-01-09 0:29 ` Borislav Petkov
2018-01-09 18:05 ` Tim Chen
2018-01-06 2:12 ` [PATCH v2 5/8] x86/idle: Disable IBRS entering idle and enable it on wakeup Tim Chen
2018-01-06 2:12 ` [PATCH v2 6/8] x86/microcode: Recheck IBRS features on microcode reload Tim Chen
2018-01-06 12:09 ` Woodhouse, David
2018-01-09 0:34 ` Borislav Petkov
2018-01-06 2:12 ` [PATCH v2 7/8] x86: Do not use dynamic IBRS if retpoline is enabled Tim Chen
2018-01-06 2:12 ` [PATCH v2 8/8] x86: Use IBRS for firmware update path Tim Chen
2018-01-06 8:55 ` Greg KH
2018-01-06 8:57 ` Greg KH
2018-01-06 6:43 ` [PATCH v2 0/8] IBRS patch series Tim Chen
2018-01-06 12:00 ` Woodhouse, David
2018-01-06 12:11 ` Woodhouse, David
2018-01-08 17:43 [PATCH v2 4/8] x86/spec_ctrl: Add sysctl knobs to enable/disable SPEC_CTRL feature Alexey Dobriyan
2018-01-08 18:30 ` Andrea Arcangeli
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=b32ae421-7f1d-5d97-f43d-fe5dbe763d46@linux.intel.com \
--to=tim.c.chen@linux.intel.com \
--cc=aarcange@redhat.com \
--cc=ak@linux.intel.com \
--cc=arjan.van.de.ven@intel.com \
--cc=dave.hansen@intel.com \
--cc=dwmw2@infradead.org \
--cc=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@kernel.org \
--cc=peterz@infradead.org \
--cc=tglx@linutronix.de \
--cc=torvalds@linux-foundation.org \
/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
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome