On Thu, Aug 01, 2024 at 08:42:07PM +0530, Naresh Kamboju wrote:
The i386 kselftest merge config build failed due to following warnings / errors on today's Linux next-20240801 tag with gcc-13.
Reported-by: Linux Kernel Functional Testing lkft@linaro.org
Build log:
In file included from kernel/sched/build_utility.c:72: kernel/sched/debug.c:341:57: error: integer overflow in expression of type 'long int' results in '-100663296' [-Werror=overflow] 341 | static unsigned long fair_server_period_max = (1 << 22) * NSEC_PER_USEC; /* ~4 seconds */ | ^ cc1: all warnings being treated as errors
It needs to be 1U << 22. It's probably more traditional to write it as 1UL << 22, although they equivalent here.
I can send a patch for that.
regards, dan carpenter