linux-kernel - Re: [PATCH 05/11] x86, mpx: add MPX to disaabled features

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 14 Nov 2014 10:38:03 -0800
From:	Dave Hansen <dave@...1.net>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>, hpa@...or.com
CC:	tglx@...utronix.de, mingo@...hat.com, x86@...nel.org,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linux-ia64@...r.kernel.org, linux-mips@...ux-mips.org,
	qiaowei.ren@...el.com, dave.hansen@...ux.intel.com
Subject: Re: [PATCH 05/11] x86, mpx: add MPX to disaabled features

On 11/14/2014 09:56 AM, Sergei Shtylyov wrote:
>>   #define DISABLED_MASK6    0
>>   #define DISABLED_MASK7    0
>>   #define DISABLED_MASK8    0
>> -#define DISABLED_MASK9    0
>> +#define DISABLED_MASK9    (DISABLE_MPX)
> 
>    These parens are not really needed. Sorry to be a PITA and not saying
> this before.

One goal of the disabled features patch was to maintain parity with
required-features.h.  It declares things this way:

> #define REQUIRED_MASK3  (NEED_NOPL)
> #define REQUIRED_MASK4  (NEED_MOVBE)

So, no, those aren't strictly needed, but there is precedent for them
and they do no harm.  I think I'll leave them as-is.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/