Commit c33cd1ed authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Michael Ellerman
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powerpc/64s/iommu: Don't use atomic_ function on atomic64_t type 



Signed-off-by: default avatarNicholas Piggin <npiggin@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201111110723.3148665-3-npiggin@gmail.com
parent da481c4f

arch/powerpc/mm/book3s64/iommu_api.c

+1 −1
Original line number Diff line number Diff line
@@ -263,7 +263,7 @@ long mm_iommu_put(struct mm_struct *mm, struct mm_iommu_table_group_mem_t *mem) 
		goto unlock_exit;



	/* Are there still mappings? */

	if (atomic_cmpxchg(&mem->mapped, 1, 0) != 1) {

	if (atomic64_cmpxchg(&mem->mapped, 1, 0) != 1) {

		++mem->used;

		ret = -EBUSY;

		goto unlock_exit;