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/linux-6.12.1/drivers/iommu/
Ds390-iommu.c219 static unsigned long *dma_get_seg_table_origin(unsigned long *rtep, gfp_t gfp) in dma_get_seg_table_origin() argument
224 rte = READ_ONCE(*rtep); in dma_get_seg_table_origin()
236 old_rte = cmpxchg(rtep, ZPCI_TABLE_INVALID, rte); in dma_get_seg_table_origin()