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Therefore select ARCH_MEMORY_ORDER_TSO which was introduced with [1]. As of now this has only a small effect on futex_robust_unlock(), but that might change in the future. [1] commit 6149fc36c09b ("uaccess: Provide unsafe_atomic_store_release_user()") Signed-off-by: Heiko Carstens --- arch/s390/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 4b51bc6e8948..ebdf9c8049af 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -145,6 +145,7 @@ config S390 select ARCH_INLINE_WRITE_UNLOCK_BH select ARCH_INLINE_WRITE_UNLOCK_IRQ select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE + select ARCH_MEMORY_ORDER_TSO select ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE select ARCH_STACKWALK select ARCH_SUPPORTS_ATOMIC_RMW -- 2.53.0