From: Dave Hansen <dave@sr71.net>
To: "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org
Cc: bp@alien8.de, x86@kernel.org
Subject: Re: [RFC][PATCH 1/3] x86: introduce disabled-features
Date: Fri, 20 Jun 2014 10:20:25 -0700 [thread overview]
Message-ID: <53A46D59.1000505@sr71.net> (raw)
In-Reply-To: <53A45F5D.90505@zytor.com>
On 06/20/2014 09:20 AM, H. Peter Anvin wrote:
>> > +#ifdef CONFIG_X86_INTEL_MPX
>> > +# define HAVE_MPX (1<<(X86_FEATURE_MPX & 31))
>> > +#else
>> > +# define HAVE_MPX 0
>> > +#endif
>> > +
> Is this an inverted test?
Yes, that was inverted. I've renamed it to make it a bit easier to read:
#ifdef CONFIG_X86_INTEL_MPX
# define DISABLE_MPX 0
#else
# define DISABLE_MPX (1<<(X86_FEATURE_MPX & 31))
#endif
next prev parent reply other threads:[~2014-06-20 17:20 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-20 16:17 [RFC][PATCH 1/3] x86: introduce disabled-features Dave Hansen
2014-06-20 16:17 ` [RFC][PATCH 2/3] x86: add more disabled features Dave Hansen
2014-06-20 16:17 ` [RFC][PATCH 3/3] x86: make MP a required-feature on 64-bit Dave Hansen
2014-06-20 16:23 ` H. Peter Anvin
2014-06-20 16:30 ` Dave Hansen
2014-06-20 16:37 ` H. Peter Anvin
2014-06-20 17:43 ` Borislav Petkov
2014-06-20 17:47 ` H. Peter Anvin
2014-06-20 18:05 ` Borislav Petkov
2014-06-20 18:16 ` Dave Jones
2014-06-20 18:48 ` Borislav Petkov
2014-06-20 18:54 ` H. Peter Anvin
2014-06-20 20:00 ` Borislav Petkov
2014-06-20 20:22 ` H. Peter Anvin
2014-06-20 20:35 ` Borislav Petkov
2014-06-20 17:50 ` H. Peter Anvin
2014-06-20 18:15 ` Borislav Petkov
2014-06-20 18:57 ` H. Peter Anvin
2014-06-20 20:37 ` Borislav Petkov
2014-06-23 6:11 ` Andi Kleen
2014-06-20 16:20 ` [RFC][PATCH 1/3] x86: introduce disabled-features H. Peter Anvin
2014-06-20 17:20 ` Dave Hansen [this message]
2014-06-20 20:40 ` Dave Hansen
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