linux-kernel - Re: [PATCH V10 00/22] arch: Add basic LoongArch support

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Date:   Sat, 14 May 2022 22:54:50 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Huacai Chen <chenhuacai@...ngson.cn>
Cc:     Arnd Bergmann <arnd@...db.de>, Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Airlie <airlied@...ux.ie>,
        Jonathan Corbet <corbet@....net>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Xuefeng Li <lixuefeng@...ngson.cn>,
        Yanteng Si <siyanteng@...ngson.cn>,
        Huacai Chen <chenhuacai@...il.com>,
        Guo Ren <guoren@...nel.org>, Xuerui Wang <kernel@...0n.name>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Ard Biesheuvel <ardb@...nel.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: Re: [PATCH V10 00/22] arch: Add basic LoongArch support

On Sat, May 14, 2022 at 10:03 AM Huacai Chen <chenhuacai@...ngson.cn> wrote:
> Cross-compile tool chain to build kernel:
> https://github.com/loongson/build-tools/releases/download/2021.12.21/loongarch64-clfs-2022-03-03-cross-tools-gcc-glibc.tar.xz

I also uploaded a clean build of gcc-12.1 with loongarch64 in the
https://mirrors.edge.kernel.org/pub/tools/crosstool/ builds.
I have not tried it yet.

> This patchset is adding basic LoongArch support in mainline kernel, we
> can see a complete snapshot here:
> https://github.com/loongson/linux/tree/loongarch-next

Note: I have pulled in the generic ticket lock series into the asm-generic tree.
Please rebase your series on top of
git://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux
generic-ticket-spinlocks-v6
to avoid duplicating the commits. As long as you are based on top of the
9282d0996936 commit, that should be fine.

> V9 -> V10:
> 1, Rebased on 5.18-rc6;
> 2, Use generic efi stub;
> 3, Use generic string library;
> 4, Use generic ticket spinlock;
> 5, Use more meaningful macro naming;
> 6, Remove the zboot patch;
> 7, Fix commit message and documentations;
> 8, Some other minor fixes and improvements.

I think with this you have addressed the comments that I had in the past.
Xuerui Wang and some others had additional comments that of course
need to be addressed, but this is looking good to me.

       Arnd