Hi all, This series enables ARCH_SUPPORTS_ATOMIC_RMW for MIPS. The first two patches are for making LLSC availability information available to Kconfig, and the last two select actual options. Please review. v1: https://lore.kernel.org/all/20230519164753.72065-1-jiaxun.yang@xxxxxxxxxxx/ Thanks - Jiaxun Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> --- Jiaxun Yang (4): MIPS: Introduce WAR_4KC_LLSC config option MIPS: Introduce config options for LLSC availability MIPS: Select ARCH_SUPPORTS_ATOMIC_RMW when possible MIPS: Select ARCH_HAVE_NMI_SAFE_CMPXCHG when possible arch/mips/Kconfig | 28 ++++++++++++++++++++++ arch/mips/include/asm/cpu-features.h | 9 ++++++- arch/mips/include/asm/cpu.h | 1 + .../include/asm/mach-ath25/cpu-feature-overrides.h | 6 ++--- arch/mips/kernel/cpu-probe.c | 9 +++++++ 5 files changed, 48 insertions(+), 5 deletions(-) --- base-commit: 03d44168cbd7fc57d5de56a3730427db758fc7f6 change-id: 20240612-mips-llsc-1f2fb9169c0b Best regards, -- Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
