Merge "arm64: spinlock: Drop the prfm from arch_spin_trylock" into msm-4.8

arch/arm64/include/asm/spinlock.h

+0 −1

Original line number	Diff line number	Diff line
		@@ -130,7 +130,6 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock)

		asm volatile(ARM64_LSE_ATOMIC_INSN(
		/* LL/SC */
		" prfm pstl1strm, %2\n"
		"1: ldaxr %w0, %2\n"
		" eor %w1, %w0, %w0, ror #16\n"
		" cbnz %w1, 2f\n"