Commit 149448b3 authored by John Garry's avatar John Garry Committed by Joerg Roedel
Browse files

iommu: Delete iommu_dma_free_cpu_cached_iovas() 



Function iommu_dma_free_cpu_cached_iovas() no longer has any caller, so
delete it.

With that, function free_cpu_cached_iovas() may be made static.

Signed-off-by: default avatarJohn Garry <john.garry@huawei.com>
Reviewed-by: default avatarRobin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/1616675401-151997-4-git-send-email-john.garry@huawei.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 363f266e

drivers/iommu/dma-iommu.c

+0 −9
Original line number Diff line number Diff line
@@ -64,15 +64,6 @@ static int __init iommu_dma_forcedac_setup(char *str) 
}

early_param("iommu.forcedac", iommu_dma_forcedac_setup);



void iommu_dma_free_cpu_cached_iovas(unsigned int cpu,

		struct iommu_domain *domain)

{

	struct iommu_dma_cookie *cookie = domain->iova_cookie;

	struct iova_domain *iovad = &cookie->iovad;



	free_cpu_cached_iovas(cpu, iovad);

}



static void iommu_dma_entry_dtor(unsigned long data)

{

	struct page *freelist = (struct page *)data;

drivers/iommu/iova.c

+2 −1
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ static unsigned long iova_rcache_get(struct iova_domain *iovad, 
				     unsigned long size,

				     unsigned long limit_pfn);

static void init_iova_rcaches(struct iova_domain *iovad);

static void free_cpu_cached_iovas(unsigned int cpu, struct iova_domain *iovad);

static void free_iova_rcaches(struct iova_domain *iovad);

static void fq_destroy_all_entries(struct iova_domain *iovad);

static void fq_flush_timeout(struct timer_list *t);
@@ -1040,7 +1041,7 @@ static void free_iova_rcaches(struct iova_domain *iovad) 
/*

 * free all the IOVA ranges cached by a cpu (used when cpu is unplugged)

 */

void free_cpu_cached_iovas(unsigned int cpu, struct iova_domain *iovad)

static void free_cpu_cached_iovas(unsigned int cpu, struct iova_domain *iovad)

{

	struct iova_cpu_rcache *cpu_rcache;

	struct iova_rcache *rcache;

include/linux/dma-iommu.h

+0 −5
Original line number Diff line number Diff line
@@ -83,10 +83,5 @@ static inline void iommu_dma_get_resv_regions(struct device *dev, struct list_he 
{

}



static inline void iommu_dma_free_cpu_cached_iovas(unsigned int cpu,

		struct iommu_domain *domain)

{

}



#endif	/* CONFIG_IOMMU_DMA */

#endif	/* __DMA_IOMMU_H */

include/linux/iova.h

+0 −5
Original line number Diff line number Diff line
@@ -157,7 +157,6 @@ int init_iova_flush_queue(struct iova_domain *iovad, 
			  iova_flush_cb flush_cb, iova_entry_dtor entry_dtor);

struct iova *find_iova(struct iova_domain *iovad, unsigned long pfn);

void put_iova_domain(struct iova_domain *iovad);

void free_cpu_cached_iovas(unsigned int cpu, struct iova_domain *iovad);

#else

static inline int iova_cache_get(void)

{
@@ -234,10 +233,6 @@ static inline void put_iova_domain(struct iova_domain *iovad) 
{

}



static inline void free_cpu_cached_iovas(unsigned int cpu,

					 struct iova_domain *iovad)

{

}

#endif



#endif