riscv: Select ARCH_SUPPORTS_ATOMIC_RMW by default
authorChenxi Mao <maochenxi@eswin.com>
Fri, 5 Jun 2020 05:15:10 +0000 (13:15 +0800)
committerPalmer Dabbelt <palmerdabbelt@google.com>
Mon, 29 Jun 2020 22:23:27 +0000 (15:23 -0700)
commit234e9d7a6200952264002b9ba808e7dfc559b0b2
treec2ead8d5b87be721306008195d2082133ecc37c8
parent9ebcfadb0610322ac537dd7aa5d9cbc2b2894c68
riscv: Select ARCH_SUPPORTS_ATOMIC_RMW by default

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>
arch/riscv/Kconfig