diff mbox series

[v2,02/10] iommu: Remove iommu_map_atomic()

Message ID 2-v2-ce66f632bd0d+484-iommu_map_gfp_jgg@nvidia.com (mailing list archive)
State Not Applicable
Delegated to: Johannes Berg
Headers show
Series Let iommufd charge IOPTE allocations to the memory cgroup | expand

Commit Message

Jason Gunthorpe Jan. 18, 2023, 6 p.m. UTC 
There is only one call site and it can now just pass the GFP_ATOMIC to the
normal iommu_map().

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---
 drivers/iommu/dma-iommu.c | 2 +-
 drivers/iommu/iommu.c     | 7 -------
 include/linux/iommu.h     | 9 ---------
 3 files changed, 1 insertion(+), 17 deletions(-)

Comments

Tian, Kevin Jan. 19, 2023, 3:45 a.m. UTC | #1 
> From: Jason Gunthorpe <jgg@nvidia.com>
> Sent: Thursday, January 19, 2023 2:01 AM
> 
> There is only one call site and it can now just pass the GFP_ATOMIC to the
> normal iommu_map().
> 
> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

Reviewed-by: Kevin Tian <kevin.tian@intel.com>
diff mbox series

Patch

diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 8bdb65e7686ff9..7016db569f81fc 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -713,7 +713,7 @@  static dma_addr_t __iommu_dma_map(struct device *dev, phys_addr_t phys,
 	if (!iova)
 		return DMA_MAPPING_ERROR;
 
-	if (iommu_map_atomic(domain, iova, phys - iova_off, size, prot)) {
+	if (iommu_map(domain, iova, phys - iova_off, size, prot, GFP_ATOMIC)) {
 		iommu_dma_free_iova(cookie, iova, size, NULL);
 		return DMA_MAPPING_ERROR;
 	}
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 7dac062b58f039..9412b420d07257 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -2381,13 +2381,6 @@  int iommu_map(struct iommu_domain *domain, unsigned long iova,
 }
 EXPORT_SYMBOL_GPL(iommu_map);
 
-int iommu_map_atomic(struct iommu_domain *domain, unsigned long iova,
-	      phys_addr_t paddr, size_t size, int prot)
-{
-	return iommu_map(domain, iova, paddr, size, prot, GFP_ATOMIC);
-}
-EXPORT_SYMBOL_GPL(iommu_map_atomic);
-
 static size_t __iommu_unmap_pages(struct iommu_domain *domain,
 				  unsigned long iova, size_t size,
 				  struct iommu_iotlb_gather *iotlb_gather)
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index d2020994f292db..521cd79700f4d8 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -468,8 +468,6 @@  extern struct iommu_domain *iommu_get_domain_for_dev(struct device *dev);
 extern struct iommu_domain *iommu_get_dma_domain(struct device *dev);
 extern int iommu_map(struct iommu_domain *domain, unsigned long iova,
 		     phys_addr_t paddr, size_t size, int prot, gfp_t gfp);
-extern int iommu_map_atomic(struct iommu_domain *domain, unsigned long iova,
-			    phys_addr_t paddr, size_t size, int prot);
 extern size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova,
 			  size_t size);
 extern size_t iommu_unmap_fast(struct iommu_domain *domain,
@@ -778,13 +776,6 @@  static inline int iommu_map(struct iommu_domain *domain, unsigned long iova,
 	return -ENODEV;
 }
 
-static inline int iommu_map_atomic(struct iommu_domain *domain,
-				   unsigned long iova, phys_addr_t paddr,
-				   size_t size, int prot)
-{
-	return -ENODEV;
-}
-
 static inline size_t iommu_unmap(struct iommu_domain *domain,
 				 unsigned long iova, size_t size)
 {