s390/atomic: Convert arch_atomic_xchg() to C function

Convert the arch_atomic_xchg define to a C function so that proper
type checking is provided.

Reviewed-by: Juergen Christ <jchrist@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2024-11-06 11:03:11 +01:00
commit ffc5eac2cd