linux-kernel - Re: [rfc, PATCH v1 1/1] hrtimers: Refactor hrtimer_clock_to_base

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <Z6tAKThLxVc3fxTd@smile.fi.intel.com>
Date: Tue, 11 Feb 2025 14:18:49 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Thomas Gleixner <tglx@...utronix.de>, linux-kernel@...r.kernel.org,
	llvm@...ts.linux.dev
Cc: Anna-Maria Behnsen <anna-maria@...utronix.de>,
	Frederic Weisbecker <frederic@...nel.org>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>
Subject: Re: [rfc, PATCH v1 1/1] hrtimers: Refactor
 hrtimer_clock_to_base_table initialisation

On Mon, Feb 10, 2025 at 10:26:02AM +0200, Andy Shevchenko wrote:
> Clang complains about overlapped initialisers in the
> hrtimer_clock_to_base_table definition. With `make W=1` and
> CONFIG_WERROR=y (which is default nowadays) this breaks
> the build:
> 
>   CC      kernel/time/hrtimer.o
> kernel/time/hrtimer.c:124:21: error: initializer overrides prior initialization of this subobject [-Werror,-Winitializer-overrides]
>   124 |         [CLOCK_REALTIME]        = HRTIMER_BASE_REALTIME,
> 
> kernel/time/hrtimer.c:122:27: note: previous initialization is here
>   122 |         [0 ... MAX_CLOCKS - 1]  = HRTIMER_MAX_CLOCK_BASES,
> 
> (and similar for CLOCK_MONOTONIC, CLOCK_BOOTTIME, and CLOCK_TAI).
> 
> Refactor hrtimer_clock_to_base_table initialisation to make
> the compiler happy.

For the record, GCC also fails here.

-- 
With Best Regards,
Andy Shevchenko