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From: Gabriele Monaco To: Nam Cao , kernel test robot Cc: oe-kbuild-all@lists.linux.dev Date: Mon, 03 Aug 2026 09:44:45 +0200 In-Reply-To: <87cxvzofkg.fsf@yellow.woof> References: <202608020311.hYjqOG5k-lkp@intel.com> <87cxvzofkg.fsf@yellow.woof> Autocrypt: addr=gmonaco@redhat.com; prefer-encrypt=mutual; keydata=mDMEZuK5YxYJKwYBBAHaRw8BAQdAmJ3dM9Sz6/Hodu33Qrf8QH2bNeNbOikqYtxWFLVm0 1a0JEdhYnJpZWxlIE1vbmFjbyA8Z21vbmFjb0BrZXJuZWwub3JnPoiZBBMWCgBBFiEEysoR+AuB3R Zwp6j270psSVh4TfIFAmjKX2MCGwMFCQWjmoAFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4AACgk Q70psSVh4TfIQuAD+JulczTN6l7oJjyroySU55Fbjdvo52xiYYlMjPG7dCTsBAMFI7dSL5zg98I+8 cXY1J7kyNsY6/dcipqBM4RMaxXsOtCRHYWJyaWVsZSBNb25hY28gPGdtb25hY29AcmVkaGF0LmNvb T6InAQTFgoARAIbAwUJBaOagAULCQgHAgIiAgYVCgkICwIEFgIDAQIeBwIXgBYhBMrKEfgLgd0WcK eo9u9KbElYeE3yBQJoymCyAhkBAAoJEO9KbElYeE3yjX4BAJ/ETNnlHn8OjZPT77xGmal9kbT1bC1 7DfrYVISWV2Y1AP9HdAMhWNAvtCtN2S1beYjNybuK6IzWYcFfeOV+OBWRDQ== User-Agent: Evolution 3.60.2 (3.60.2-1.fc44) Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: 0exm_z0RhmlQUMsZzQnGYyG0rJ4S8wvOGsiyPhaDsYk_1785743087 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2026-08-03 at 08:58 +0200, Nam Cao wrote: > kernel test robot writes: > > tree:=C2=A0=C2=A0 > > https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace=C2=A0= latency/fo > > r-next > > head:=C2=A0=C2=A0 984b5a36fd12d1849511a45fda32036fe2b0d004 > > commit: 8da2a88383658dac97769ed8f807ef6100a69480 [33/38] rv: Add KUnit = tests > > for some DA/HA monitors > > config: i386-allmodconfig > > (https://download.01.org/0day-ci/archive/20260802/202608020311.hYjqOG5k= -lkp@ > > intel.com/config) > > compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 > > reproduce (this is a W=3D1 build): > > (https://download.01.org/0day-ci/archive/20260802/202608020311.hYjqOG5k= -lkp@ > > intel.com/reproduce) > >=20 > > If you fix the issue in a separate patch/commit (i.e. not just a new ve= rsion > > of > > the same patch/commit), kindly add following tags > > > Reported-by: kernel test robot > > > Closes: > > > https://lore.kernel.org/oe-kbuild-all/202608020311.hYjqOG5k-lkp@intel= .com/ > >=20 > > All errors (new ones prefixed by >>, old ones prefixed by <<): > >=20 > > > > ERROR: modpost: "__udivdi3" [kernel/trace/rv/rv_monitors_test.ko] > > > > undefined! >=20 > We could switch the division to div64_u64(), or we could change > deadline_thresh's type to u32. >=20 > Gabriele, can deadline_thresh fits in u32? That would make it limited to 4.29 s which is probably way more than enough= on normal systems, but this limit would be driven purely by the KUnit test, I'= m not fond of that. Probably the best thing here is to use div64_u64() (or even do_div() though= we don't really care about performance). I can send a quick fix. Thanks, Gabriele