diff options
author | Christoph Hellwig <hch@lst.de> | 2020-09-11 10:12:44 +0200 |
---|---|---|
committer | Christoph Hellwig <hch@lst.de> | 2020-10-06 07:07:05 +0200 |
commit | a1fd09e8e6ae35228ecc7c1e4bfff1fd725f78a0 (patch) | |
tree | 09097eab9b8b979151b207ef218aa4bb2ea0d975 | |
parent | 5db5d93089880c3cc9e83ca8bba68a5502e92dfe (diff) | |
download | linux-a1fd09e8e6ae35228ecc7c1e4bfff1fd725f78a0.tar.gz linux-a1fd09e8e6ae35228ecc7c1e4bfff1fd725f78a0.tar.bz2 linux-a1fd09e8e6ae35228ecc7c1e4bfff1fd725f78a0.zip |
dma-mapping: move dma-debug.h to kernel/dma/
Most of dma-debug.h is not required by anything outside of kernel/dma.
Move the four declarations needed by dma-mappin.h or dma-ops providers
into dma-mapping.h and dma-map-ops.h, and move the remainder of the
file to kernel/dma/debug.h.
Signed-off-by: Christoph Hellwig <hch@lst.de>
-rw-r--r-- | arch/arm/include/asm/dma-iommu.h | 1 | ||||
-rw-r--r-- | arch/arm/include/asm/dma-mapping.h | 1 | ||||
-rw-r--r-- | arch/microblaze/kernel/dma.c | 1 | ||||
-rw-r--r-- | arch/sh/drivers/pci/pci.c | 1 | ||||
-rw-r--r-- | arch/x86/include/asm/dma-mapping.h | 1 | ||||
-rw-r--r-- | arch/x86/kernel/pci-dma.c | 1 | ||||
-rw-r--r-- | drivers/pci/pci-driver.c | 1 | ||||
-rw-r--r-- | include/linux/dma-map-ops.h | 12 | ||||
-rw-r--r-- | include/linux/dma-mapping.h | 16 | ||||
-rw-r--r-- | kernel/dma/debug.c | 5 | ||||
-rw-r--r-- | kernel/dma/debug.h (renamed from include/linux/dma-debug.h) | 44 | ||||
-rw-r--r-- | kernel/dma/mapping.c | 1 | ||||
-rw-r--r-- | mm/memory.c | 1 |
13 files changed, 34 insertions, 52 deletions
diff --git a/arch/arm/include/asm/dma-iommu.h b/arch/arm/include/asm/dma-iommu.h index 86405cc81385..fe9ef6f79e9c 100644 --- a/arch/arm/include/asm/dma-iommu.h +++ b/arch/arm/include/asm/dma-iommu.h @@ -6,7 +6,6 @@ #include <linux/mm_types.h> #include <linux/scatterlist.h> -#include <linux/dma-debug.h> #include <linux/kref.h> struct dma_iommu_mapping { diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index 0a1a536368c3..77082246a5e1 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -6,7 +6,6 @@ #include <linux/mm_types.h> #include <linux/scatterlist.h> -#include <linux/dma-debug.h> #include <xen/xen.h> #include <asm/xen/hypervisor.h> diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c index d7bebd04247b..a564863db06e 100644 --- a/arch/microblaze/kernel/dma.c +++ b/arch/microblaze/kernel/dma.c @@ -10,7 +10,6 @@ #include <linux/device.h> #include <linux/dma-noncoherent.h> #include <linux/gfp.h> -#include <linux/dma-debug.h> #include <linux/export.h> #include <linux/bug.h> #include <asm/cacheflush.h> diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c index 6ab0b7377f66..a3903304f33f 100644 --- a/arch/sh/drivers/pci/pci.c +++ b/arch/sh/drivers/pci/pci.c @@ -13,7 +13,6 @@ #include <linux/pci.h> #include <linux/init.h> #include <linux/types.h> -#include <linux/dma-debug.h> #include <linux/io.h> #include <linux/mutex.h> #include <linux/spinlock.h> diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h index e0c380b3ec14..bb1654fe0ce7 100644 --- a/arch/x86/include/asm/dma-mapping.h +++ b/arch/x86/include/asm/dma-mapping.h @@ -8,7 +8,6 @@ */ #include <linux/scatterlist.h> -#include <linux/dma-debug.h> #include <asm/io.h> #include <asm/swiotlb.h> diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index 4892dd043d41..de234e7a8962 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -1,7 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/dma-map-ops.h> #include <linux/dma-direct.h> -#include <linux/dma-debug.h> #include <linux/iommu.h> #include <linux/dmar.h> #include <linux/export.h> diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 449466f71040..d1b7169c0684 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -19,6 +19,7 @@ #include <linux/kexec.h> #include <linux/of_device.h> #include <linux/acpi.h> +#include <linux/dma-map-ops.h> #include "pci.h" #include "pcie/portdrv.h" diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h index 7912f5d00ed9..9891def42da7 100644 --- a/include/linux/dma-map-ops.h +++ b/include/linux/dma-map-ops.h @@ -220,6 +220,18 @@ static inline void arch_teardown_dma_ops(struct device *dev) } #endif /* CONFIG_ARCH_HAS_TEARDOWN_DMA_OPS */ +#ifdef CONFIG_DMA_API_DEBUG +void dma_debug_add_bus(struct bus_type *bus); +void debug_dma_dump_mappings(struct device *dev); +#else +static inline void dma_debug_add_bus(struct bus_type *bus) +{ +} +static inline void debug_dma_dump_mappings(struct device *dev) +{ +} +#endif /* CONFIG_DMA_API_DEBUG */ + extern const struct dma_map_ops dma_dummy_ops; #endif /* _LINUX_DMA_MAP_OPS_H */ diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 9591cd482d7c..3f029afdc9dc 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -6,7 +6,6 @@ #include <linux/string.h> #include <linux/device.h> #include <linux/err.h> -#include <linux/dma-debug.h> #include <linux/dma-direction.h> #include <linux/scatterlist.h> #include <linux/bug.h> @@ -76,6 +75,21 @@ #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) +#ifdef CONFIG_DMA_API_DEBUG +void debug_dma_mapping_error(struct device *dev, dma_addr_t dma_addr); +void debug_dma_map_single(struct device *dev, const void *addr, + unsigned long len); +#else +static inline void debug_dma_mapping_error(struct device *dev, + dma_addr_t dma_addr) +{ +} +static inline void debug_dma_map_single(struct device *dev, const void *addr, + unsigned long len) +{ +} +#endif /* CONFIG_DMA_API_DEBUG */ + #ifdef CONFIG_HAS_DMA static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) { diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c index 4211800d9f3e..14de1271463f 100644 --- a/kernel/dma/debug.c +++ b/kernel/dma/debug.c @@ -9,10 +9,9 @@ #include <linux/sched/task_stack.h> #include <linux/scatterlist.h> -#include <linux/dma-mapping.h> +#include <linux/dma-map-ops.h> #include <linux/sched/task.h> #include <linux/stacktrace.h> -#include <linux/dma-debug.h> #include <linux/spinlock.h> #include <linux/vmalloc.h> #include <linux/debugfs.h> @@ -24,8 +23,8 @@ #include <linux/ctype.h> #include <linux/list.h> #include <linux/slab.h> - #include <asm/sections.h> +#include "debug.h" #define HASH_SIZE 16384ULL #define HASH_FN_SHIFT 13 diff --git a/include/linux/dma-debug.h b/kernel/dma/debug.h index 7b3b04ba60f3..83643b3010b2 100644 --- a/include/linux/dma-debug.h +++ b/kernel/dma/debug.h @@ -5,28 +5,14 @@ * Author: Joerg Roedel <joerg.roedel@amd.com> */ -#ifndef __DMA_DEBUG_H -#define __DMA_DEBUG_H - -#include <linux/types.h> - -struct device; -struct scatterlist; -struct bus_type; +#ifndef _KERNEL_DMA_DEBUG_H +#define _KERNEL_DMA_DEBUG_H #ifdef CONFIG_DMA_API_DEBUG - -extern void dma_debug_add_bus(struct bus_type *bus); - -extern void debug_dma_map_single(struct device *dev, const void *addr, - unsigned long len); - extern void debug_dma_map_page(struct device *dev, struct page *page, size_t offset, size_t size, int direction, dma_addr_t dma_addr); -extern void debug_dma_mapping_error(struct device *dev, dma_addr_t dma_addr); - extern void debug_dma_unmap_page(struct device *dev, dma_addr_t addr, size_t size, int direction); @@ -64,31 +50,13 @@ extern void debug_dma_sync_sg_for_cpu(struct device *dev, extern void debug_dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems, int direction); - -extern void debug_dma_dump_mappings(struct device *dev); - #else /* CONFIG_DMA_API_DEBUG */ - -static inline void dma_debug_add_bus(struct bus_type *bus) -{ -} - -static inline void debug_dma_map_single(struct device *dev, const void *addr, - unsigned long len) -{ -} - static inline void debug_dma_map_page(struct device *dev, struct page *page, size_t offset, size_t size, int direction, dma_addr_t dma_addr) { } -static inline void debug_dma_mapping_error(struct device *dev, - dma_addr_t dma_addr) -{ -} - static inline void debug_dma_unmap_page(struct device *dev, dma_addr_t addr, size_t size, int direction) { @@ -150,11 +118,5 @@ static inline void debug_dma_sync_sg_for_device(struct device *dev, int nelems, int direction) { } - -static inline void debug_dma_dump_mappings(struct device *dev) -{ -} - #endif /* CONFIG_DMA_API_DEBUG */ - -#endif /* __DMA_DEBUG_H */ +#endif /* _KERNEL_DMA_DEBUG_H */ diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c index 2e13e6d3903f..335ba183e095 100644 --- a/kernel/dma/mapping.c +++ b/kernel/dma/mapping.c @@ -14,6 +14,7 @@ #include <linux/of_device.h> #include <linux/slab.h> #include <linux/vmalloc.h> +#include "debug.h" /* * Managed DMA API diff --git a/mm/memory.c b/mm/memory.c index f3eb55975902..7e4e8b81a738 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -65,7 +65,6 @@ #include <linux/gfp.h> #include <linux/migrate.h> #include <linux/string.h> -#include <linux/dma-debug.h> #include <linux/debugfs.h> #include <linux/userfaultfd_k.h> #include <linux/dax.h> |