Re: element sizes in input_event struct on riscv32

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On Thu, 2023-12-21 at 14:38 +0100, Antonios Salios wrote:
> 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:
> > 
> > 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.
> 

According to a glibc maintainer, __USE_TIME_BITS64 is not set on
architectures that use 64-bit time_t as default such as riscv32.
This can also be seen here [1].

Perhaps the kernel header needs to check the size of time_t in some
other way?

[1]
https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/features-time64.h;hb=glibc-2.37

-- 
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





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