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SubjectRe: [PATCH] RISC-V: Make NUMA depend on SMP
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On 2021/2/27 4:25, Palmer Dabbelt wrote:
> From: Palmer Dabbelt <palmerdabbelt@google.com>
>
> In theory these are orthogonal, but in practice all NUMA systems are
> SMP. NUMA && !SMP doesn't build, everyone else is coupling them, and I
> don't really see any value in supporting that configuration.
>
> Fixes: 4f0e8eef772e ("riscv: Add numa support for riscv64 platform")
> Suggested-by: Andrew Morton <akpm@linux-foundation.org>
> Suggested-by: Atish Patra <atishp@atishpatra.org>
> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>

Reported-and-Tested-by:  Kefeng Wang <wangkefeng.wang@huawei.com>


> ---
> This is on fixes.
> ---
> arch/riscv/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index a998babc1237..85d626b8ce5e 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -314,6 +314,7 @@ endchoice
> # Common NUMA Features
> config NUMA
> bool "NUMA Memory Allocation and Scheduler Support"
> + depends on SMP
> select GENERIC_ARCH_NUMA
> select OF_NUMA
> select ARCH_SUPPORTS_NUMA_BALANCING

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