riscv: fix test_and_{set,clear}_bit ordering documentation

test_and_{set,clear}_bit are fully ordered as specified in
Documentation/atomic_bitops.txt. Fix incorrect comment stating otherwise.

Note that the implementation is correct since commit
9347ce54cd69 ("RISC-V: __test_and_op_bit_ord should be strongly ordered")
was introduced.

Signed-off-by: Ignacio Encinas <ignacio@iencinas.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>

diff --git a/arch/riscv/include/asm/bitops.h b/arch/riscv/include/asm/bitops.h
index c6bd3d8354a96b4e7bbef0e98a201da412301b57..49a0f48d93df5be4d38fe25b437378467e4ca433 100644 (file)
--- a/arch/riscv/include/asm/bitops.h
+++ b/arch/riscv/include/asm/bitops.h
@@ -226,7 +226,7 @@ legacy:
  * @nr: Bit to set
  * @addr: Address to count from
  *
- * This operation may be reordered on other architectures than x86.
+ * This is an atomic fully-ordered operation (implied full memory barrier).
  */
 static __always_inline int arch_test_and_set_bit(int nr, volatile unsigned long *addr)
 {
@@ -238,7 +238,7 @@ static __always_inline int arch_test_and_set_bit(int nr, volatile unsigned long
  * @nr: Bit to clear
  * @addr: Address to count from
  *
- * This operation can be reordered on other architectures other than x86.
+ * This is an atomic fully-ordered operation (implied full memory barrier).
  */
 static __always_inline int arch_test_and_clear_bit(int nr, volatile unsigned long *addr)
 {