diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 4d98774cf3c799984fe3f572e04db6b10f27dd97..3aed13626fd758cddf2e38bf5904f90e8a6dfd79 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1051,6 +1051,7 @@ config ARM64_PAN config ARM64_LSE_ATOMICS bool "Atomic instructions" + default y help As part of the Large System Extensions, ARMv8.1 introduces new atomic instructions that are designed specifically to scale in @@ -1059,7 +1060,8 @@ config ARM64_LSE_ATOMICS Say Y here to make use of these instructions for the in-kernel atomic routines. This incurs a small overhead on CPUs that do not support these instructions and requires the kernel to be - built with binutils >= 2.25. + built with binutils >= 2.25 in order for the new instructions + to be used. config ARM64_VHE bool "Enable support for Virtualization Host Extensions (VHE)"