linux-kernel - Re: [PATCH V9 00/21] C-SKY(csky) Linux Kernel Port

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20181018041038.GB17276@guoren-Inspiron-7460>
Date:   Thu, 18 Oct 2018 12:10:51 +0800
From:   Guo Ren <ren_guo@...ky.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        David Miller <davem@...emloft.net>,
        gregkh <gregkh@...uxfoundation.org>,
        Christoph Hellwig <hch@...radead.org>,
        Marc Zyngier <marc.zyngier@....com>,
        Mark Rutland <mark.rutland@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Rob Herring <robh@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>, c-sky_gcc_upstream@...ky.com
Subject: Re: [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@...ky.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