From: Huacai Chen <chenhuacai@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: WANG Xuerui <kernel@xen0n.name>, Ard Biesheuvel <ardb@kernel.org>,
Huacai Chen <chenhuacai@loongson.cn>,
Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Jonathan Corbet <corbet@lwn.net>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-arch <linux-arch@vger.kernel.org>,
"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Xuefeng Li <lixuefeng@loongson.cn>,
Yanteng Si <siyanteng@loongson.cn>, Guo Ren <guoren@kernel.org>,
Jiaxun Yang <jiaxun.yang@flygoat.com>,
Stephen Rothwell <sfr@canb.auug.org.au>
Subject: Re: [PATCH V9 20/24] LoongArch: Add efistub booting support
Date: Sat, 14 May 2022 10:27:21 +0800 [thread overview]
Message-ID: <CAAhV-H7011Cq9-rS6mWLcr0zDX2D_5Hwtqmtb2BXAwOgqyXyag@mail.gmail.com> (raw)
In-Reply-To: <CAK8P3a1_2DJVjZtk9XGYvH0TSbNQwST0YXD4A+rfFELBOxpDEA@mail.gmail.com>
Hi, Arnd,
On Sat, May 14, 2022 at 3:33 AM Arnd Bergmann <arnd@arndb.de> wrote:
>
> On Fri, May 6, 2022 at 3:20 PM Huacai Chen <chenhuacai@gmail.com> wrote:
> > On Fri, May 6, 2022 at 7:41 PM Arnd Bergmann <arnd@arndb.de> wrote:
> > >
> > > Agreed. I think there can be limited compatibility support for old
> > > firmware though, at least to help with the migration: As long as
> > > the interface between grub and linux has a proper definition following
> > > the normal UEFI standard, there can be both a modern grub
> > > that is booted using the same protocol and a backwards-compatible
> > > grub that can be booted from existing firmware and that is able
> > > to boot the kernel.
> > >
> > > The compatibility version of grub can be retired after the firmware
> > > itself is able to speak the normal boot protocol.
> > After an internal discussion, we decide to use the generic stub, and
> > we have a draft version of generic stub now[1]. I hope V10 can solve
> > all problems. :)
> > [1] https://github.com/loongson/linux/tree/loongarch-next-generic-stub
>
> Can you post v19 to the list? As we have resolved the question on clone()
> now (I hope), and you have a prototype for the boot protocol, it sounds
> like this can make it into v5.19 after all, but we need to be sure that the
> remaining points that Xuerui Wang and Ard Biesheuvel raised are
> all addressed, and there is not much time before the merge window.
>
> I have built a gcc-12.1 based toochain at
> https://mirrors.edge.kernel.org/pub/tools/crosstool/ that now includes
> loongarch64 suport, please point to that in the cover letter for v10
> in case someone wants to start test building.
>
> I will be travelling next week, and won't be able to pull your tree
> into the asm-generic tree during that time, as I had originally planned.
>
OK, thanks, I will send a new version today.
Huacai
> However, you can ask Stephen Rothwell (added to Cc) to add your
> git tree to linux-next once you think that you have addressed all of the
> remaining review comments, and posted the same version to the
> list. This will allow others to more easily test your tree in combination
> with the other work that has been queued for the 5.19 release.
>
> If there are no new show-stoppers, I can help you coordinate
> the pull request during the merge window.
>
> Arnd
next prev parent reply other threads:[~2022-05-14 2:56 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-30 9:04 [PATCH V9 00/22] arch: Add basic LoongArch support Huacai Chen
2022-04-30 9:04 ` [PATCH V9 01/24] Documentation: LoongArch: Add basic documentations Huacai Chen
2022-05-01 7:48 ` Bagas Sanjaya
2022-05-01 8:55 ` Huacai Chen
2022-05-01 9:32 ` WANG Xuerui
2022-05-01 10:17 ` Huacai Chen
2022-04-30 9:04 ` [PATCH V9 02/24] Documentation/zh_CN: Add basic LoongArch documentations Huacai Chen
2022-05-01 9:38 ` WANG Xuerui
2022-04-30 9:04 ` [PATCH V9 03/24] LoongArch: Add elf-related definitions Huacai Chen
2022-05-01 9:41 ` WANG Xuerui
2022-05-01 14:27 ` Huacai Chen
2022-04-30 9:04 ` [PATCH V9 04/24] LoongArch: Add writecombine support for drm Huacai Chen
2022-04-30 9:04 ` [PATCH V9 05/24] LoongArch: Add build infrastructure Huacai Chen
2022-05-01 10:09 ` WANG Xuerui
2022-05-01 12:41 ` Huacai Chen
2022-05-01 15:43 ` Xi Ruoyao
2022-04-30 9:05 ` [PATCH V9 06/24] LoongArch: Add CPU definition headers Huacai Chen
2022-05-01 11:05 ` WANG Xuerui
2022-04-30 9:05 ` [PATCH V9 07/24] LoongArch: Add atomic/locking headers Huacai Chen
2022-05-01 11:16 ` WANG Xuerui
2022-05-01 13:16 ` Huacai Chen
2022-04-30 9:05 ` [PATCH V9 08/24] LoongArch: Add other common headers Huacai Chen
2022-05-01 11:39 ` WANG Xuerui
2022-05-01 14:26 ` Huacai Chen
2022-04-30 9:05 ` [PATCH V9 09/24] LoongArch: Add boot and setup routines Huacai Chen
2022-04-30 9:05 ` [PATCH V9 10/24] LoongArch: Add exception/interrupt handling Huacai Chen
2022-05-01 16:27 ` Xi Ruoyao
2022-05-01 17:08 ` Xi Ruoyao
2022-05-02 0:01 ` Huacai Chen
2022-04-30 9:05 ` [PATCH V9 11/24] LoongArch: Add process management Huacai Chen
2022-04-30 9:05 ` [PATCH V9 12/24] LoongArch: Add memory management Huacai Chen
2022-04-30 9:05 ` [PATCH V9 13/24] LoongArch: Add system call support Huacai Chen
2022-04-30 9:44 ` Arnd Bergmann
2022-04-30 10:05 ` Huacai Chen
2022-04-30 10:34 ` Arnd Bergmann
2022-05-07 12:11 ` Christian Brauner
2022-05-09 10:00 ` Christian Brauner
2022-05-11 7:11 ` Arnd Bergmann
2022-05-11 21:12 ` [musl] " Rich Felker
2022-05-12 7:21 ` Arnd Bergmann
2022-05-12 12:11 ` Rich Felker
2022-05-11 16:17 ` Florian Weimer
2022-04-30 9:05 ` [PATCH V9 14/24] LoongArch: Add signal handling support Huacai Chen
2022-04-30 9:05 ` [PATCH V9 15/24] LoongArch: Add elf and module support Huacai Chen
2022-04-30 9:05 ` [PATCH V9 16/24] LoongArch: Add misc common routines Huacai Chen
2022-04-30 9:50 ` Arnd Bergmann
2022-04-30 10:00 ` Huacai Chen
2022-04-30 10:41 ` Arnd Bergmann
2022-04-30 13:22 ` Palmer Dabbelt
2022-05-01 5:12 ` Huacai Chen
2022-04-30 9:05 ` [PATCH V9 17/24] LoongArch: Add some library functions Huacai Chen
2022-05-01 10:55 ` Guo Ren
2022-05-01 12:18 ` Huacai Chen
2022-04-30 9:05 ` [PATCH V9 18/24] LoongArch: Add PCI controller support Huacai Chen
2022-04-30 9:05 ` [PATCH V9 19/24] LoongArch: Add VDSO and VSYSCALL support Huacai Chen
2022-04-30 9:05 ` [PATCH V9 20/24] LoongArch: Add efistub booting support Huacai Chen
2022-04-30 9:56 ` Arnd Bergmann
2022-04-30 10:02 ` Huacai Chen
2022-05-03 7:23 ` Ard Biesheuvel
2022-05-05 9:59 ` Huacai Chen
2022-05-06 8:14 ` Ard Biesheuvel
2022-05-06 11:26 ` WANG Xuerui
2022-05-06 11:41 ` Arnd Bergmann
2022-05-06 13:20 ` Huacai Chen
2022-05-13 19:32 ` Arnd Bergmann
2022-05-14 2:27 ` Huacai Chen [this message]
2022-04-30 9:05 ` [PATCH V9 21/24] LoongArch: Add zboot (compressed kernel) support Huacai Chen
2022-04-30 10:07 ` Arnd Bergmann
2022-05-01 5:22 ` Huacai Chen
2022-05-01 6:35 ` Russell King (Oracle)
2022-05-01 8:46 ` Huacai Chen
2022-05-01 11:28 ` Russell King (Oracle)
2022-05-01 8:33 ` Arnd Bergmann
2022-05-01 23:36 ` Ard Biesheuvel
2022-04-30 9:05 ` [PATCH V9 22/24] LoongArch: Add multi-processor (SMP) support Huacai Chen
2022-04-30 9:05 ` [PATCH V9 23/24] LoongArch: Add Non-Uniform Memory Access (NUMA) support Huacai Chen
2022-04-30 9:05 ` [PATCH V9 24/24] LoongArch: Add Loongson-3 default config file Huacai Chen
2022-05-01 8:19 ` [PATCH V9 00/22] arch: Add basic LoongArch support Bagas Sanjaya
2022-05-01 8:55 ` Huacai Chen
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