Re: [PATCH] rv: Fix 32-bit build of nomiss KUnit test

Nam Cao <[email protected]> Tue, 04 Aug 2026 09:30:03 +0200
Newsgroups org.kernel.vger.linux-trace-kernel,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
Gabriele Monaco <[email protected]> writes:

> Commit 8da2a8838365 ("rv: Add KUnit tests for some DA/HA monitors")
> introduced a division of a 64-bit value by 1000 in the nomiss KUnit
> test. This does not compile on 32-bit systems, as standard division of
> 64-bit values leads to an undefined reference to __udivdi3.
>
> Fix the build on 32-bit systems by using div_u64().
>
> Fixes: 8da2a8838365 ("rv: Add KUnit tests for some DA/HA monitors")
> Reported-by: kernel test robot <[email protected]>
> Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]
> Signed-off-by: Gabriele Monaco <[email protected]>

Reviewed-by: Nam Cao <[email protected]>