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Date: Wed, 24 Jan 2024 15:17:43 +1100
From: Stephen Rothwell <sfr@canb.auug.org.au>
To: "Paul E. McKenney" <paulmck@kernel.org>
Cc: Jiri Wiesner <jwiesner@suse.de>, Linux Kernel Mailing List
 <linux-kernel@vger.kernel.org>, Linux Next Mailing List
 <linux-next@vger.kernel.org>
Subject: linux-next: build failure after merge of the rcu tree
Message-ID: <20240124151743.052082af@canb.auug.org.au>
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Hi all,

After merging the rcu tree, today's linux-next build (i386 defconfig)
failed like this:

In file included from include/linux/dev_printk.h:14,
                 from include/linux/device.h:15,
                 from kernel/time/clocksource.c:10:
kernel/time/clocksource.c: In function 'clocksource_watchdog':
kernel/time/clocksource.c:103:34: error: integer overflow in expression of =
type 'long int' results in '-1619276800' [-Werror=3Doverflow]
  103 |                                  * NSEC_PER_SEC / HZ)
      |                                  ^
include/linux/compiler.h:77:45: note: in definition of macro 'unlikely'
   77 | # define unlikely(x)    __builtin_expect(!!(x), 0)
      |                                             ^
kernel/time/clocksource.c:486:41: note: in expansion of macro 'WATCHDOG_INT=
R_MAX_NS'
  486 |                 if (unlikely(interval > WATCHDOG_INTR_MAX_NS)) {
      |                                         ^~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors

Caused by commit

  1a4545025600 ("clocksource: Skip watchdog check for large watchdog interv=
als")

I have used the rcu tree from next-20240123 for today.

--=20
Cheers,
Stephen Rothwell

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