riscv: Select ARCH_SUPPORTS_ATOMIC_RMW by default

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Select ARCH_SUPPORTS_ATOMIC_RMW by default to enable osqlocks.

Signed-off-by: Chenxi Mao <maochenxi@eswin.com>
[Palmer: commit text]
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>

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Chenxi Mao 2020-06-05 13:15:10 +08:00 • committed by Palmer Dabbelt

parent 9ebcfadb06

commit 234e9d7a62

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arch/riscv/Kconfig

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