From: Breno Leitao <leitao@debian.org>
To: Arnd Bergmann <arnd@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Tejun Heo <tj@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] workqueue: avoid unguarded 64-bit division
Date: Tue, 7 Apr 2026 07:03:00 -0700 [thread overview]
Message-ID: <adUOhhHV2CIqjzGv@gmail.com> (raw)
In-Reply-To: <20260402205913.1953402-1-arnd@kernel.org>
On Thu, Apr 02, 2026 at 10:59:03PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> The printk() requires a division that is not allowed on 32-bit architectures:
>
> x86_64-linux-ld: lib/test_workqueue.o: in function `test_workqueue_init':
> test_workqueue.c:(.init.text+0x36f): undefined reference to `__udivdi3'
>
> Use div_u64() to print the resulting elapsed microseconds.
>
> Fixes: 24b2e73f9700 ("workqueue: add test_workqueue benchmark module")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Breno Leitao <leitao@debian.org>
prev parent reply other threads:[~2026-04-07 14:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-02 20:59 [PATCH] workqueue: avoid unguarded 64-bit division Arnd Bergmann
2026-04-03 17:50 ` Tejun Heo
2026-04-07 14:03 ` Breno Leitao [this message]
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