Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-27 21:33:00 +00:00
Code Issues Packages Projects Releases Wiki Activity

dma-mapping updates for Linux 6.3

Browse Source 
- remove a not very useful and now unused swiotlb API
    (Christoph Hellwig)
  - fix a section mismatch (Randy Dunlap)
 -----BEGIN PGP SIGNATURE-----
 
 iQI/BAABCgApFiEEgdbnc3r/njty3Iq9D55TZVIEUYMFAmP8s3ULHGhjaEBsc3Qu
 ZGUACgkQD55TZVIEUYPn2g//aav2IilhbvcmeGYxPZ7bOi/28u/v52e5DcshW7ym
 FAFX1ICFxn2M6TfY2xyOYTP1Dyn/KWEmD2L8OkZwPvIyqcUsku3FPk8b8fmLoRTa
 ns+EPJA1QDcKkNLq1a/8B6Cv/Bwy2ov/4PWixYkG7EGLMSxpnQ4EvLpb8edx83yN
 dAXeMUYZxPfRRM/Lkqwj+tok7ESMVO7dl4gEQ3zZJhpV4VL2Hkh7j1GVwxOv+I77
 u4yJFBKyjV0zVYSBqihXV8AtIURY1Thl1gNlSWn9bsOSh/o0FbRiC8UgzGYvYUEf
 ovdXGlRwaXLksgbm8QtCvGdo8HPQLmQWJRa1FD+PPab4KEuXcc1HzxCCU5q5Wblp
 BOImQMLv9ba8MAnZEep5/sKVoBMmf8Ver4KiR1C6l2HOZHwIz11/UQBRb0Dt03MS
 DobbfTL5Hlnxb8vSAzeG0n3mipyIUYyT72PnSLxrRQiRp27Jis+/hagQqqp4tlUw
 1Rms2vRWRQmWdC2XvgCX9A6harxwTEOM5u0R4B5YgWl/KjJMyoMCLQ6rFwLcS6Sp
 +3M/IdbPKnAszr7b/DLhVklri2+vhDvSZvc1XPLht5Q8XFQ8Sjb3aOxODvC0RdHL
 Gew0NuFv4vi7ug8V6GuAw1Tk8zHx8QsKFIa0OAIEIXfIbEODjBoMQ9LshI+uGG2k
 5UA=
 =LRx6
 -----END PGP SIGNATURE-----

Merge tag 'dma-mapping-6.3-2022-02-27' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping updates from Christoph Hellwig:

 - remove a not very useful and now unused swiotlb API (Christoph
   Hellwig)

 - fix a section mismatch (Randy Dunlap)

* tag 'dma-mapping-6.3-2022-02-27' of git://git.infradead.org/users/hch/dma-mapping:
  swiotlb: mark swiotlb_memblock_alloc() as __init
  swiotlb: remove swiotlb_max_segment
This commit is contained in:
Linus Torvalds 2023-02-27 09:38:51 -08:00
commit 6ffb575beb
2 changed files with 2 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
include/linux/swiotlb.h
View File

@ -121,7 +121,6 @@ static inline bool is_swiotlb_force_bounce(struct device *dev)
void swiotlb_init(bool addressing_limited, unsigned int flags);
void __init swiotlb_exit(void);
unsigned int swiotlb_max_segment(void);
size_t swiotlb_max_mapping_size(struct device *dev);
bool is_swiotlb_active(struct device *dev);
void __init swiotlb_adjust_size(unsigned long size);
@ -140,10 +139,6 @@ static inline bool is_swiotlb_force_bounce(struct device *dev)
static inline void swiotlb_exit(void)
{
}
static inline unsigned int swiotlb_max_segment(void)
{
return 0;
}
static inline size_t swiotlb_max_mapping_size(struct device *dev)
{
return SIZE_MAX;

11
kernel/dma/swiotlb.c
View File

@ -156,14 +156,6 @@ setup_io_tlb_npages(char *str)
}
early_param("swiotlb", setup_io_tlb_npages);
unsigned int swiotlb_max_segment(void)
{
if (!io_tlb_default_mem.nslabs)
return 0;
return rounddown(io_tlb_default_mem.nslabs << IO_TLB_SHIFT, PAGE_SIZE);
}
EXPORT_SYMBOL_GPL(swiotlb_max_segment);
unsigned long swiotlb_size_or_default(void)
{
return default_nslabs << IO_TLB_SHIFT;
@ -300,7 +292,8 @@ static void swiotlb_init_io_tlb_mem(struct io_tlb_mem *mem, phys_addr_t start,
return;
}
static void *swiotlb_memblock_alloc(unsigned long nslabs, unsigned int flags,
static void __init *swiotlb_memblock_alloc(unsigned long nslabs,
unsigned int flags,
int (*remap)(void *tlb, unsigned long nslabs))
{
size_t bytes = PAGE_ALIGN(nslabs << IO_TLB_SHIFT);