linux-kernel - Re: [PATCH v7] kernel.h: Retain constant expression output for max()/min()

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Date:   Thu, 5 Apr 2018 13:31:18 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Martin Uecker <Martin.Uecker@....uni-goettingen.de>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Randy Dunlap <rdunlap@...radead.org>,
        Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
        Ingo Molnar <mingo@...nel.org>,
        David Laight <David.Laight@...lab.com>,
        Ian Abbott <abbotti@....co.uk>,
        LKML <linux-kernel@...r.kernel.org>,
        Kernel Hardening <kernel-hardening@...ts.openwall.com>
Subject: Re: [PATCH v7] kernel.h: Retain constant expression output for max()/min()

On Thu, Apr 5, 2018 at 1:20 PM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
> On Thu, Apr 5, 2018 at 12:52 PM, Kees Cook <keescook@...omium.org> wrote:
>>
>> This patch seems finished (*knock on wood*). Do you want to take this
>> directly for v4.17, should I send a single-patch pull-request, or
>> should this go through -mm (for either 4.17 or 4.18)?
>
> I was actually expecting it to go with the other VLA removal patches,
> but if the plan is to try to just get them in individual maintainer
> trees, I guess I can just take this directly.

Yeah, the VLA patches have been going through maintainer trees --
mostly due to needing specialized review, etc. While many are trivial,
a fair number aren't (or at least the trade-offs aren't always
obvious).

> So if it would be a single-commit pull request, I'll just take it as a
> patch. I guess it could go through -mm, but since I was involved in
> the discussion anyway, I also don't mind just taking it directly. If
> it causes problems, I can curse at myself.

Yeah, I'm in no rush to collect the "unresponded" VLA patches into a
tree, and we've still got more to go, so right now it'd just be a
single-patch pull. If you can snag it now, that'd be great! :)

Thanks!

-Kees

-- 
Kees Cook
Pixel Security