Re: [musl] Re: [GIT PULL] asm-generic changes for 5.19

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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@xxxxxxxxxx/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@xxxxxxxxxxx/
[2]: https://sourceware.org/pipermail/libc-alpha/2022-May/139127.html
[3]: https://go-review.googlesource.com/c/go/+/407694




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