linux-kernel - Re: [PATCH] perf: remove orphan DEBUG_PERF_USE

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:   Tue, 27 Sep 2016 09:51:35 -0700
From:   Vineet Gupta <Vineet.Gupta1@...opsys.com>
To:     Kim Phillips <kim.phillips@....com>
CC:     Nicolas Pitre <nicolas.pitre@...aro.org>,
        Petr Mladek <pmladek@...e.com>,
        Kees Cook <keescook@...omium.org>,
        Arnd Bergmann <arnd@...db.de>,
        "Ard Biesheuvel" <ard.biesheuvel@...aro.org>,
        <peterz@...radead.org>,
        "Alexey Brodkin" <Alexey.Brodkin@...opsys.com>,
        <linux-kernel@...r.kernel.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Tejun Heo <tj@...nel.org>,
        "Andrew Morton" <akpm@...ux-foundation.org>,
        <linux-snps-arc@...ts.infradead.org>,
        Thomas Garnier <thgarnie@...gle.com>
Subject: Re: [PATCH] perf: remove orphan DEBUG_PERF_USE_VMALLOC

On 09/27/2016 09:37 AM, Kim Phillips wrote:
> On Tue, 27 Sep 2016 07:53:56 -0700
> Vineet Gupta <Vineet.Gupta1@...opsys.com> wrote:
> 
>> > This doesn't seem to be used anywhere
> I thought so too, until I got this response for an equivalent patch:
> 
> https://lkml.org/lkml/2016/8/31/53

So this is some sort of "developer shortcut" to quickly enable 2 options with one
option. Purpose seems dubious to me ! It would still be possible to enable vmalloc
backed mmap on x86 by simply enabling that option from Kconfig.

-Vineet