linux-kernel - Re: [PATCH v3] x86/kconfig/32: Rename CONFIG

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Message-ID: <CALCETrUZpe7S-rjd-8BfHrXwXeHsCqbFEJE0DVRi4MYRPT-Q-A@mail.gmail.com>
Date:	Fri, 10 Jul 2015 09:51:31 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	Arjan van de Ven <arjan@...ux.intel.com>
Cc:	Andy Lutomirski <luto@...nel.org>, X86 ML <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Kees Cook <keescook@...omium.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Borislav Petkov <bp@...en8.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Austin S Hemmelgarn <ahferroin7@...il.com>,
	Brian Gerst <brgerst@...il.com>,
	Matthew Garrett <mjg59@...f.ucam.org>
Subject: Re: [PATCH v3] x86/kconfig/32: Rename CONFIG_VM86 and default it to n

On Fri, Jul 10, 2015 at 8:43 AM, Andy Lutomirski <luto@...capital.net> wrote:
> On Fri, Jul 10, 2015 at 8:39 AM, Arjan van de Ven <arjan@...ux.intel.com> wrote:
>> On 7/10/2015 8:34 AM, Andy Lutomirski wrote:
>>>
>>> VM86 is entirely broken if ptrace, syscall auditing, or NOHZ_FULL is
>>
>>
>> for now we can at least express the NOHZ_FULL thing in KConfig space...
>>
>
> True.
>
> OTOH, both Brian and I have patches to fix that, so it seems
> unnecessary to make that change and then promptly undo it.

I should think before I type.  We don't support NOHZ_FULL on 32-bit in
the first place.  The bit about ptrace still stands, though.

--Andy
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