From: Borislav Petkov <bp@alien8.de>
To: Dave Hansen <dave.hansen@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>,
linux-kernel@vger.kernel.org, x86@kernel.org,
Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH] [RFC] x86: work around MPX Erratum
Date: Tue, 3 May 2016 23:45:35 +0200 [thread overview]
Message-ID: <20160503214535.GW27540@pd.tnic> (raw)
In-Reply-To: <572917F2.2060302@intel.com>
On Tue, May 03, 2016 at 02:28:18PM -0700, Dave Hansen wrote:
> Generally, I'm not sure we need the no$foo options at all. There's
> always "clearcpuid=" which does the same thing. It just requires you to
> go look up the X86_FEATURE_* bit first.
Yeah, the "no-" things are all chicken bits which we should get rid of
at some point anyway.
> What do you mean by disable? Have qemu error out if MPX and SMEP
> aren't disabled in concert with each other?
Yap.
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
next prev parent reply other threads:[~2016-05-03 21:45 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-02 22:03 [PATCH] [RFC] x86: work around MPX Erratum Dave Hansen
2016-05-03 6:43 ` Ingo Molnar
2016-05-03 21:04 ` Dave Hansen
2016-05-03 21:12 ` Borislav Petkov
2016-05-03 21:28 ` Dave Hansen
2016-05-03 21:33 ` Linus Torvalds
2016-05-03 21:45 ` Borislav Petkov [this message]
2016-05-03 21:31 ` Andy Lutomirski
2016-05-03 21:39 ` Linus Torvalds
2016-05-03 21:44 ` Andy Lutomirski
2016-05-03 21:43 ` Dave Hansen
2016-05-03 21:53 ` Andy Lutomirski
2016-05-04 6:44 ` Ingo Molnar
2016-05-05 17:14 ` Andy Lutomirski
2016-05-05 18:40 ` Ingo Molnar
2016-05-06 19:01 ` Andy Lutomirski
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