linux-kernel - Re: [PATCH] gcc-15: acpi: sprinkle random '_

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Message-ID: <20250427122402.4f4fbfa8@pumpkin>
Date: Sun, 27 Apr 2025 12:24:02 +0100
From: David Laight <david.laight.linux@...il.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Kees Cook <kees@...nel.org>, Guenter Roeck <linux@...ck-us.net>,
 linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
 linux-hardening@...r.kernel.org
Subject: Re: [PATCH] gcc-15: acpi: sprinkle random '__nonstring' crumbles
 around

On Sun, 20 Apr 2025 21:33:19 -0700
Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> On Sun, 20 Apr 2025 at 18:52, Kees Cook <kees@...nel.org> wrote:
> >
> > Can you please revert this mess and use what has already been planned
> > for this warning? It is, once again, really frustrating when you update
> > to unreleased compiler versions. :(  
> 
> Ehh. Kees, that's the compiler in F42.
> 
> Really. It's not some "unreleased compiler version".

Would it make sens to disable the warning on versions of gcc 15 that don't
contain all the 'fixes'?

After all they are compile time checks so only need to be detected
by one person doing a build - not everyone.

	David

> 
> It's the main compiler in one of the biggest Linux distributions, out now.
> 
> Why do you think I made the change? Because the kernel DID NOT BUILD
> without those changes.
> 
> So no. This was not some kind of "solved problem". Quite the reverse.
> 
>          Linus
>