linux-kernel - Re: [PATCH] Raise the minimum required gcc version to 4.6

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Message-ID: <1996329d875e1ab5b9cd69db187b7037ad3a0d8d.camel@perches.com>
Date:   Thu, 23 Aug 2018 15:00:25 -0700
From:   Joe Perches <joe@...ches.com>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     "torvalds@...ux-foundation.org" <torvalds@...ux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dave Hansen <dave.hansen@...el.com>,
        Mike Galbraith <efault@....de>,
        Guenter Roeck <linux@...ck-us.net>, riel@...riel.com,
        Kees Cook <keescook@...omium.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Jonathan Corbet <corbet@....net>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH] Raise the minimum required gcc version to 4.6

On Thu, 2018-08-23 at 23:52 +0200, Geert Uytterhoeven wrote:
> Hi Joe,

Hi Geert.

> Does gcc 8.x gives again the same warnings as my venerable old gcc 4.1.2,
> that no one else seems to see? Or will the real bugs I detect this way stay
> unfixed? Polyculture is a good thing, also in compilers.

I'm not sure I understand what you mean.
Patches that fix defects and patches that fix warnings
both generally get applied.

> Reverted locally (incl. the follow-up), applied Andrew's fix, detected new
> warnings in v4.18+, and sent patches where it makes sense...

Thanks for that.

cheers, Joe