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Message-ID: <e76cf929-ba52-6d53-9ac8-ef403f9b1f4f@huawei.com> Date: Sat, 27 Feb 2021 09:03:53 +0800 From: Kefeng Wang <wangkefeng.wang@...wei.com> To: Palmer Dabbelt <palmer@...belt.com>, <akpm@...ux-foundation.org>, <atishp@...shpatra.org> CC: <aou@...s.berkeley.edu>, Palmer Dabbelt <palmerdabbelt@...gle.com>, <linux-kernel@...r.kernel.org>, Paul Walmsley <paul.walmsley@...ive.com>, <linux-riscv@...ts.infradead.org>, <kernel-team@...roid.com> Subject: Re: [PATCH] RISC-V: Make NUMA depend on SMP On 2021/2/27 4:25, Palmer Dabbelt wrote: > From: Palmer Dabbelt <palmerdabbelt@...gle.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@...ux-foundation.org> > Suggested-by: Atish Patra <atishp@...shpatra.org> > Signed-off-by: Palmer Dabbelt <palmerdabbelt@...gle.com> Reported-and-Tested-by: Kefeng Wang <wangkefeng.wang@...wei.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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