On Mon, 01 Jun 2020 17:54:28 PDT (-0700), [email protected] wrote:
Enable ARCH_SUPPORTS_ATOMIC_RMW by default to support osq_lock in mutex/rwsem locks. --- arch/riscv/Kconfig | 1 + 1 file changed, 1 insertion(+)diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index a31e1a41913a..cbdc605d20d9 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -68,6 +68,7 @@ config RISCV select ARCH_HAS_GCOV_PROFILE_ALL select HAVE_COPY_THREAD_TLS select HAVE_ARCH_KASAN if MMU && 64BIT + select ARCH_SUPPORTS_ATOMIC_RMW config ARCH_MMAP_RND_BITS_MIN default 18 if 64BIT
You need a Signed-off-by for all patches, even small ones like this. I'm also going to consider this a bit too large of a change to take during the merge window: there's very little code, but it dramatically changes the behavior of the system -- in other words, it's a 5.9 candidate, not a 5.8 one. Thanks!
