Hi, Marc and Arnd,
I remember that you both suggested not introducing NOSMP support for a
modern architecture which brings additional complexity. I wonder if
you still have the same attitude now. I will merge this series only if
you think it is worthy to introduce NOSMP now.
Huacai
On Thu, Apr 11, 2024 at 9:05 AM Tiezhu Yang <yangtiezhu@loongson.cn> wrote:
>
> The changes of irqchip have been merged into the irq/core branch of tip.
>
> https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=42a7d887664b
> https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=a64003da0ef8
>
> This version is only related with arch/loongarch and based on 6.9-rc3,
> the first 3 patches with detailed commit message are preparations for
> patch #4.
>
> Tested with the following configs:
> (1) CONFIG_NUMA=n, CONFIG_SMP=n
> (2) CONFIG_NUMA=n, CONFIG_SMP=y
> (3) CONFIG_NUMA=y, CONFIG_SMP=n (not allowed due to NUMA select SMP)
> (4) CONFIG_NUMA=y, CONFIG_SMP=y
>
> Tiezhu Yang (4):
> LoongArch: Move CONFIG_HAVE_SETUP_PER_CPU_AREA related code to smp.c
> LoongArch: Refactor get_acpi_id_for_cpu() related code
> LoongArch: Save and restore PERCPU_BASE_KS for ACPI S3 state
> LoongArch: Give chance to build under !CONFIG_SMP
>
> arch/loongarch/Kconfig | 4 +-
> arch/loongarch/include/asm/acpi.h | 8 +++-
> arch/loongarch/include/asm/smp.h | 5 +++
> arch/loongarch/kernel/acpi.c | 9 +++-
> arch/loongarch/kernel/irq.c | 2 +
> arch/loongarch/kernel/machine_kexec.c | 2 +-
> arch/loongarch/kernel/numa.c | 58 --------------------------
> arch/loongarch/kernel/smp.c | 59 +++++++++++++++++++++++++++
> arch/loongarch/power/suspend.c | 4 +-
> 9 files changed, 87 insertions(+), 64 deletions(-)
>
> --
> 2.42.0
>