From: Andi Kleen <andi@firstfloor.org>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
Greg KH <gregkh@linuxfoundation.org>,
Kai Huang <kai.huang@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
"maintainer\:X86 ARCHITECTURE \(32-BIT AND 64-BIT\)"
<x86@kernel.org>, Borislav Petkov <bp@suse.de>,
Andy Lutomirski <luto@kernel.org>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Huang Rui <ray.huang@amd.com>,
Mathias Krause <minipli@googlemail.com>,
Wan Zongshun <Vincent.Wan@amd.com>,
"open list\:X86 ARCHITECTURE \(32-BIT AND 64-BIT\)"
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/6] x86: add SGX definition to cpufeature
Date: Mon, 25 Apr 2016 12:48:54 -0700 [thread overview]
Message-ID: <87a8kh5v15.fsf@tassilo.jf.intel.com> (raw)
In-Reply-To: <CALCETrXPCzhPWrun4hzgzX4MoB+j50-62yaJsdTAKvyeG+-XqA@mail.gmail.com> (Andy Lutomirski's message of "Mon, 25 Apr 2016 12:31:52 -0700")
Andy Lutomirski <luto@amacapital.net> writes:
> On Mon, Apr 25, 2016 at 10:34 AM, Jarkko Sakkinen
> <jarkko.sakkinen@linux.intel.com> wrote:
>> From: Kai Huang <kai.huang@linux.intel.com>
>
> Should this come with a nosgx boot option and an IA32_FEATURE_CONTROL
> check to disable the feature if BIOS doesn't support it?
You can already disable every CPUID feature at boot with clearcpuid=...
No point in adding redundant options for everything.
-Andi
--
ak@linux.intel.com -- Speaking for myself only
next prev parent reply other threads:[~2016-04-25 19:48 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-25 17:34 [PATCH 0/6] Intel Secure Guard Extensions Jarkko Sakkinen
2016-04-25 17:34 ` [PATCH 1/6] x86: add SGX definition to cpufeature Jarkko Sakkinen
2016-04-25 19:31 ` Andy Lutomirski
2016-04-25 19:48 ` Andi Kleen [this message]
2016-04-25 17:34 ` [PATCH 2/6] x86, sgx: common macros and definitions Jarkko Sakkinen
2016-04-25 17:34 ` [PATCH 3/6] intel_sgx: driver for Intel Secure Guard eXtensions Jarkko Sakkinen
2016-04-25 17:55 ` Greg KH
2016-04-25 19:04 ` Jarkko Sakkinen
2016-04-27 6:49 ` Jethro Beekman
2016-04-27 12:40 ` Jarkko Sakkinen
2016-04-27 23:32 ` Jethro Beekman
2016-04-29 20:04 ` Jarkko Sakkinen
2016-04-29 22:22 ` Jethro Beekman
2016-05-09 5:29 ` Jarkko Sakkinen
2016-05-09 7:06 ` Jarkko Sakkinen
2016-04-25 17:34 ` [PATCH 4/6] intel_sgx: ptrace() support for the driver Jarkko Sakkinen
2016-04-25 17:34 ` [PATCH 5/6] intel_sgx: driver documentation Jarkko Sakkinen
2016-04-25 20:01 ` Andy Lutomirski
2016-05-05 22:45 ` Jarkko Sakkinen
2016-05-06 0:52 ` Andy Lutomirski
2016-05-06 11:35 ` Jarkko Sakkinen
2016-05-06 16:24 ` Andy Lutomirski
2016-04-25 17:34 ` [PATCH 6/6] intel_sgx: TODO file for the staging area Jarkko Sakkinen
2016-04-25 17:54 ` Greg KH
2016-04-25 18:56 ` Jarkko Sakkinen
2016-04-25 19:06 ` One Thousand Gnomes
2016-04-25 20:01 ` Andi Kleen
2016-04-26 11:23 ` Jarkko Sakkinen
2016-04-27 6:38 ` Jethro Beekman
2016-05-17 9:38 ` Jarkko Sakkinen
2016-04-25 17:53 ` [PATCH 0/6] Intel Secure Guard Extensions Greg KH
2016-04-25 19:03 ` Jarkko Sakkinen
2016-04-25 19:20 ` Andy Lutomirski
2016-04-26 19:00 ` Pavel Machek
2016-04-26 19:05 ` Andy Lutomirski
2016-04-26 19:41 ` Pavel Machek
2016-04-26 19:56 ` Andy Lutomirski
2016-04-26 20:11 ` Pavel Machek
2016-04-26 20:59 ` One Thousand Gnomes
2016-04-26 21:52 ` Pavel Machek
2016-04-26 22:35 ` Andy Lutomirski
2016-04-26 22:33 ` Andy Lutomirski
2016-04-27 7:32 ` Pavel Machek
2016-04-27 8:18 ` Ingo Molnar
2016-04-27 14:05 ` Andy Lutomirski
2016-05-06 11:23 ` Jarkko Sakkinen
2016-05-06 16:21 ` Andy Lutomirski
2016-04-26 20:16 ` One Thousand Gnomes
2016-04-26 20:19 ` One Thousand Gnomes
2016-04-29 20:17 ` Jarkko Sakkinen
2016-05-01 9:40 ` Pavel Machek
2016-05-02 15:37 ` Austin S. Hemmelgarn
2016-05-03 9:06 ` Dr. Greg Wettstein
2016-05-03 15:38 ` Pavel Machek
2016-05-04 9:04 ` Dr. Greg Wettstein
2016-05-04 11:07 ` Pavel Machek
2016-05-06 11:39 ` Jarkko Sakkinen
2016-05-06 11:54 ` Thomas Gleixner
2016-05-09 5:38 ` Jarkko Sakkinen
2016-05-09 6:27 ` Thomas Gleixner
2016-05-09 9:20 ` Jarkko Sakkinen
2016-05-12 8:50 ` Dr. Greg Wettstein
2016-05-09 7:04 ` Greg KH
2016-05-09 9:13 ` Jarkko Sakkinen
2016-05-08 9:58 ` Dr. Greg Wettstein
2016-05-09 1:32 ` Andy Lutomirski
2016-05-13 9:42 ` Dr. Greg Wettstein
2016-05-13 14:09 ` Andy Lutomirski
2016-05-05 22:52 ` Jarkko Sakkinen
2016-05-06 7:14 ` Pavel Machek
2016-05-06 11:27 ` Jarkko Sakkinen
2016-04-29 22:08 ` Jarkko Sakkinen
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=87a8kh5v15.fsf@tassilo.jf.intel.com \
--to=andi@firstfloor.org \
--cc=Vincent.Wan@amd.com \
--cc=boris.ostrovsky@oracle.com \
--cc=bp@suse.de \
--cc=gregkh@linuxfoundation.org \
--cc=hpa@zytor.com \
--cc=jarkko.sakkinen@linux.intel.com \
--cc=kai.huang@linux.intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@amacapital.net \
--cc=luto@kernel.org \
--cc=mingo@redhat.com \
--cc=minipli@googlemail.com \
--cc=ray.huang@amd.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.