From: Andrew Morton <akpm@linux-foundation.org>
To: Brendan Jackman <jackmanb@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
linux-kernel@vger.kernel.org, kees@kernel.org,
acarmina@redhat.com, jpoimboe@kernel.org, mark.rutland@arm.com,
maciej.wieczor-retman@intel.com,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: Re: [PATCH] bug: hush suggest-attribute=format for __warn_printf()
Date: Mon, 15 Dec 2025 20:24:30 -0800 [thread overview]
Message-ID: <20251215202430.c35c2d29c4f9ff614d2ab534@linux-foundation.org> (raw)
In-Reply-To: <20251207-warn-printf-gcc-v1-1-b597d612b94b@google.com>
On Sun, 07 Dec 2025 03:53:18 +0000 Brendan Jackman <jackmanb@google.com> wrote:
> Recent additions to this function cause GCC 14.3.0 to get excited and
> suggest a missing attribute:
>
> lib/bug.c: In function ‘__warn_printf’:
> lib/bug.c:187:25: error: function ‘__warn_printf’ might be a candidate for ‘gnu_printf’ format attribute [-Werror=suggest-attribute=format]
> 187 | vprintk(fmt, *args);
> | ^~~~~~~
>
> Disable the diagnostic locally, following the pattern used for stuff
> like va_format().
>
Question please. Why are we suppressing the warning instead of
addressing it, as Andy attempts to do in
https://lkml.kernel.org/r/20251208141618.2805983-1-andriy.shevchenko@linux.intel.com?
I went off and looked at the commit which did this to va_format() but
it didn't tell me.
next prev parent reply other threads:[~2025-12-16 4:24 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-07 3:53 [PATCH] bug: hush suggest-attribute=format for __warn_printf() Brendan Jackman
2025-12-08 8:38 ` Peter Zijlstra
2025-12-08 8:50 ` Brendan Jackman
2025-12-08 8:58 ` Peter Zijlstra
2025-12-09 9:16 ` [tip: core/urgent] bug: Hush " tip-bot2 for Brendan Jackman
2025-12-12 9:10 ` tip-bot2 for Brendan Jackman
2025-12-12 9:29 ` tip-bot2 for Brendan Jackman
2025-12-16 4:24 ` Andrew Morton [this message]
2025-12-16 8:49 ` [PATCH] bug: hush " Peter Zijlstra
2025-12-16 9:16 ` Brendan Jackman
2025-12-16 12:36 ` David Laight
2025-12-16 12:43 ` Brendan Jackman
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