On Thu, 2023-12-21 at 12:28 +0000, Arnd Bergmann wrote: > On Thu, Dec 21, 2023, at 08:56, Antonios Salios wrote: > > On Tue, 2023-12-19 at 13:53 +0000, Arnd Bergmann wrote: > > > On Tue, Dec 19, 2023, at 02:50, Dmitry Torokhov wrote: > > > > The problem seems to be, that __USE_TIME_BITS64 is not defined even > > though riscv32 uses 64-bit time. > > That sounds like a libc bug. Which C library are you using? Glibc 2.37. > > __BITS_PER_LONG is set to 32 & __KERNEL__ is (of course) undefined > > in > > userspace. > > The userspace therefore uses 64-bit values as opposed to the > > kernel, > > which uses 32-bit values. > > > > __USE_TIME_BITS64 is only set when __TIMESIZE is set to 32. [1] > > Under riscv32, the default value of 64 is used. [2] > > I don't know what __TIMESIZE is, this is not part of the kernel ABI > as far as I can tell. __USE_TIME_BITS64 should be set by any 32-bit > architecture if the C library defines a 64-bit time_t, otherwise the > kernel headers have no way of picking the correct definitions based > on preprocessor logic. Okay, I agree that this might be a libc problem then. I'll ask the glibc maintainers. Thanks for your kind help and happy holidays! -- Antonios Salios Software Engineer MachineWare GmbH | www.machineware.de Hühnermarkt 19, 52062 Aachen, Germany Amtsgericht Aachen HRB25734 Geschäftsführung Lukas Jünger Dr.-Ing. Jan Henrik Weinstock