Re: [PATCH] riscv: atomic: Using ARCH_ATOMIC in asm/atomic.h

[Peter Zijlstra <peterz@xxxxxxxxxxxxx>]

On Thu, Apr 15, 2021 at 07:39:22AM +0000, guoren@xxxxxxxxxx wrote:
>  - Add atomic_andnot_* operation

> @@ -76,6 +59,12 @@ ATOMIC_OPS(sub, add, -i)
>  ATOMIC_OPS(and, and,  i)
>  ATOMIC_OPS( or,  or,  i)
>  ATOMIC_OPS(xor, xor,  i)
> +ATOMIC_OPS(andnot, and,  -i)

~i, surely.