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Commit 6b14c517 authored by Kefeng Wang's avatar Kefeng Wang Committed by Catalin Marinas
Browse files

arm64: Add support ARCH_SUPPORTS_INT128 



The gcc support __SIZEOF_INT128__ and __int128 in arm64, thus,
enable ARCH_SUPPORTS_INT128 to make mul_u64_u32_shr() a bit
more efficient in scheduler.

Signed-off-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 7ceb3a10

arch/arm64/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ config ARM64 
	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST

	select ARCH_USE_CMPXCHG_LOCKREF

	select ARCH_SUPPORTS_ATOMIC_RMW

	select ARCH_SUPPORTS_INT128

	select ARCH_SUPPORTS_NUMA_BALANCING

	select ARCH_WANT_OPTIONAL_GPIOLIB

	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION