On Sun, May 29, 2022 at 9:21 PM Marc Zyngier <maz@xxxxxxxxxx> wrote: > > On Sun, 29 May 2022 12:24:29 +0100, > Arnd Bergmann <arnd@xxxxxxxxxx> wrote: > > > > On Thu, May 26, 2022 at 5:00 PM Arnd Bergmann <arnd@xxxxxxxxxx> wrote: > > > - A series to add a generic ticket spinlock that can be shared by most > > > architectures with a working cmpxchg or ll/sc type atomic, including > > > the conversion of riscv, csky and openrisc. This series is also a > > > prerequisite for the loongarch64 architecture port that will come as > > > a separate pull request. > > > > An update on Loongarch: I was originally planning to send Linus a > > pull request with > > the branch with the contents from > > > > https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson.git/log/?h=loongarch-next > > > > but I saw that this includes both the architecture code and some > > device drivers (irqchip, pci, acpi) that are essential for the > > kernel to actually boot. At least the irqchip driver has not passed > > review because it uses a nonstandard way to integrate into ACPI, and > > the PCI stuff may or may not be ready but has no Reviewed-by or > > Acked-by tags from the maintainers. I clearly don't want to bypass > > the subsystem maintainers on those drivers by sending a pull request > > for the current branch. > > It seems that there is now a new contributor on the irqchip front, and > the current approach *should* be better than the "copy MIPS and run" > approach that was previously taken. I'm still to find time to review > the new series (I just came back from a week off), but hopefully next > week. > > > My feeling is that there is also no point in merging a port without > > the drivers as it cannot work on any hardware. On the other hand, > > the libc submissions (glibc and musl) are currently blocked while > > they are waiting for the kernel port to get merged. > > I'd tend to agree. But if on the other hand the userspace ABI is > clearly defined, I think it could make sense to go for it (if I > remember well, we merged arm64 without any support irqchip support, > and the arm64 GIC support appeared later in the game). (adding linux-pci and linux-acpi maintainers to Cc) Hi Bjorn and Rafael, I'd like to confirm the review status of the respective LoongArch patchsets ([1], [2]), to see if we can make it into this merge window. Specifically: I'd like to confirm with Bjorn, if the PCI patches are in a reasonable shape and can get an Acked-by. And Rafael: would you sync with the ACPICA repos to bring in the LoongArch changes upstreamed there? [1]: https://lore.kernel.org/linux-pci/20220430084846.3127041-1-chenhuacai@xxxxxxxxxxx/T/#t [2]: https://lore.kernel.org/linux-acpi/20220306111838.810959-1-chenhuacai@xxxxxxxxxxx/T/#t Thanks, Huacai > > Thanks, > > M. > > -- > Without deviation from the norm, progress is not possible.
