From: Andi Kleen <andi@firstfloor.org>
To: Jiri Kosina <jkosina@suse.cz>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Borislav Petkov <bp@alien8.de>,
Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>, Michael Matz <matz@suse.de>,
Michal Hocko <mhocko@suse.cz>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] x86: Disable traditional FPU instructions too
Date: Mon, 27 Jan 2014 09:01:38 -0800 [thread overview]
Message-ID: <87ha8pqryl.fsf@tassilo.jf.intel.com> (raw)
In-Reply-To: <alpine.LNX.2.00.1401271742300.14101@pobox.suse.cz> (Jiri Kosina's message of "Mon, 27 Jan 2014 17:43:51 +0100 (CET)")
Jiri Kosina <jkosina@suse.cz> writes:
> On Mon, 27 Jan 2014, H. Peter Anvin wrote:
>
>> I don't think it'd hurt... although I think the above pretty much
>> requires that the code contain actual floating-point types to ever be
>> generated.
>
> Unfortunately using float-typed constants (such as 1EexpL) are enough for
> this to happen.
checkpatch would seem to be the right place to check for this?
-Andi
--
ak@linux.intel.com -- Speaking for myself only
next prev parent reply other threads:[~2014-01-27 17:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-27 16:37 [RFC] x86: Disable traditional FPU instructions too Borislav Petkov
2014-01-27 16:41 ` H. Peter Anvin
2014-01-27 16:43 ` Jiri Kosina
2014-01-27 17:01 ` Andi Kleen [this message]
2014-01-27 17:16 ` H. Peter Anvin
2014-01-27 17:24 ` Borislav Petkov
2014-01-27 16:45 ` Borislav Petkov
2014-01-28 9:37 ` Michal Hocko
2014-01-28 10:25 ` H. Peter Anvin
2014-01-28 10:33 ` Michal Hocko
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