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SubjectRe: [PATCH V9 00/21] C-SKY(csky) Linux Kernel Port
On Wed, Oct 17, 2018 at 05:58:46PM +0200, Arnd Bergmann wrote:
> On Tue, Oct 16, 2018 at 4:58 AM Guo Ren <ren_guo@c-sky.com> wrote:
> >
> > This is the 9th version patchset to add the Linux kernel port for
> > C-SKY(csky) based on linux-4.19-rc3.
> >
> > There are only a few changes between V8 patchset. Hope it could be
> > merged into linux-4.20 and I'm very grateful for any help.
>
> I've gone through the entire series once more and saw no show-stoppers.
> The last patch looked like it introduced a bug, but with that one dropped,
> I'm happy for the architecture to get merged, unless anyone else
> has any last-minute concerns. (Alternatively, explain why I'm wrong
> and the code works correctly, of course).
Ok and thx for the job of csky subsystem.

>
> I'd appreciate having someone else take another look at the signal
> handling code, the atomics, and the DT bindings and provide another
> Ack for those.
>
> The remaining open question is about the 32-bit time_t interfaces.
> With 4.20, I did not manage to get the required system calls in place
> for using 64-bit time_t in a new architecture, so you will at least
> start out using 32-bit time_t and likely have to keep supporting
> that going forward, unless we decide to break the ABI here later
> on .This is something we normally don't do, but we might make
> an exception here, under the assumption that there are no
> existing users with the ABI. We can debate that once we get there.
We support uclibc-ng and glibc.

1. For uclibc-ng, linux-4.20 could run with it.

2. For glibc, Maybe we could support 32-bit + 64-bit time_t with
KERNEL_VERSION, or just only 64-bit then linux-4.20 couldn't work with
the csky first glibc release.

Best Regards
Guo Ren

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