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Date: Wed, 1 Jun 2022 13:52:57 +0800
From: WANG Xuerui <kernel@...0n.name>
To: Huacai Chen <chenhuacai@...nel.org>, Arnd Bergmann <arnd@...nel.org>
Cc: musl@...ts.openwall.com, WANG Xuerui <kernel@...0n.name>,
Linus Torvalds <torvalds@...ux-foundation.org>,
linux-arch <linux-arch@...r.kernel.org>,
GNU C Library <libc-alpha@...rceware.org>,
Yoshinori Sato <ysato@...rs.sourceforge.jp>,
Peter Zijlstra <peterz@...radead.org>, Marc Zyngier <maz@...nel.org>,
Masahiro Yamada <masahiroy@...nel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Jiaxun Yang <jiaxun.yang@...goat.com>,
ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
Jianmin Lv <lvjianmin@...ngson.cn>, linux-pci <linux-pci@...r.kernel.org>,
Ard Biesheuvel <ardb@...nel.org>, Huacai Chen <chenhuacai@...ngson.cn>
Subject: Re: Re: [GIT PULL] asm-generic changes for 5.19
On 6/1/22 00:01, Huacai Chen wrote:
> https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson.git/log/?h=loongarch-next
> has been updated. Now this branch droped irqchip drivers and pci
> drivers. But the existing irqchip drivers need some small adjustment
> to avoid build errors [1], and I hope Marc can give an Acked-by.
> Thanks.
>
> This branch can be built with defconfig and allmodconfig (except
> drivers/platform/surface/aggregator/controller.c, because it requires
> 8bit/16bit cmpxchg, which I was told to remove their support).
>
> [1] https://lore.kernel.org/lkml/e7cf33a170d0b4e98e53744f60dbf922@kernel.org/T/#t
I see the loongarch-next HEAD has been updated and it's now purely arch
changes aside from the two trivial irqchip cleanups. Some other changes
to the v11 patchset [1] are included, but arguably minor enough to not
invalidate previous Reviewed-by tags.
After some small tweaks:
- adding "#include <asm/irqflags.h>" to arch/loongarch/include/asm/ptrace.h,
- adding an arch/loongarch/include/uapi/asm/bpf_perf_event.h with the
same content as arch/arm64's, and
- adding "depends on ARM64 || X86" to
drivers/platform/surface/aggregator/Kconfig,
the current loongarch-next HEAD (commit
36552a24f70d21b7d63d9ef490561dbdc13798d7) now passes allmodconfig build
(with CONFIG_WERROR disabled; my Gentoo-flavored gcc-12 seems to emit
warnings on a few drivers).
The majority of userspace ABI has been stable for a few months already,
after the addition of orig_a0 and removal of newfstatat; the necessary
changes to switch to statx are already reviewed [2] / merged [3], and
have been integrated into the LoongArch port of Gentoo for a while. Eric
looked at the v11 and gave comments, and changes were made according to
the suggestions, but it'd probably better to get a proper Reviewed-by.
Among the rest of patches, I think maybe the EFI/boot protocol part
still need approval/ack from the EFI maintainer. However because the
current port isn't going to be able to run on any real hardware, maybe
that part could be done later; I'm not sure if the unacknowledged EFI
bits should be removed as well.
Arnd, what do you think about the current branch's status? Do Huacai
need to send a quick final v12 to gather tags?
[1]:
https://lore.kernel.org/all/20220518092619.1269111-1-chenhuacai@loongson.cn/
[2]: https://sourceware.org/pipermail/libc-alpha/2022-May/139127.html
[3]: https://go-review.googlesource.com/c/go/+/407694
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