Re: switching ARC to 64-bit time_t (Re: [RFC v6 07/23] RISC-V: Use 64-bit time_t and off_t for RV32 and RV64)

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On Thu, Feb 20, 2020 at 12:11 AM Lukasz Majewski <lukma@xxxxxxx> wrote:
> > On 2/14/20 2:39 PM, Alistair Francis wrote:
> > > On Tue, Feb 11, 2020 at 5:30 PM Joseph Myers
> > An the reason this all works on RISCV is that your kernel doesn't
> > define __ARCH_WANT_STAT64 -> lacks __NR_statat64 and instead uses the
> > statx call which does itemized copy and would work fine when copying
> > from 32-bits time (in kernel) to 64-bits container in glibc. Is this
> > is right understanding or am I missing something here.
> >
> > How do I build a latest RISCV 32-bit kernel + userland - do you have
> > a buildroot branch somewhere that I can build / test with qemu ?
> Maybe a bit off topic - there is such QEMU and Yocto/OE based test
> sandbox for ARM32:
> (the README provides steps for setup).

(continuing off-topic, with debian-arm and Helmut on Cc)

Would it be possible to take a snapshot of your glibc tree and
start testing this out with debian-rebootstrap [1]?

Are there any glibc issues that prevent it from working correctly,
aside from the exact ABI not being final yet?



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