Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-24 21:21:41 +00:00
Code Issues Packages Projects Releases Wiki Activity

dma-mapping fixes for Linux 6.12

Browse Source 
- handle chained SGLs in the new tracing code (Christoph Hellwig)
 -----BEGIN PGP SIGNATURE-----
 
 iQI/BAABCgApFiEEgdbnc3r/njty3Iq9D55TZVIEUYMFAmb47voLHGhjaEBsc3Qu
 ZGUACgkQD55TZVIEUYMqAw//TCBIiBNBwjWipVBXmvizu0MaB+PU8ZOjXZoeEdlN
 WeGSPvuW2lWJxjBblPcFA3MFO9pztO9E94dayu5/jV5QP4G+EzyCJDoZOQu8iHYX
 YzaIgkt0W+vKEFmvAqfrHuPHHO0mZ00qaBmj/r+cayWqBBvWPLbj7kU7+sFVG4it
 lP2QGGYGV6Ryvkwcft+Got4oIKmyuTsS4i4Cq17WNuhAxDMZftnVPIuUJ9Q00xza
 zDSwKgAOoPqaf3r026MqahpEECAQP0S7uqH10I+MJe7AbREbO7GSHcx4YWDhmyLd
 KFJ+Wv67H8voCsvdH76zANVLE6S5YMyAwMAJSRQxuVSjqrIM0vyyQ4jeRZCHibva
 NvYnv/xRRF+BKyNthNAz1m69K3y8UV5gvP/otezHInGd5/b527UoLXdFl+wQvdJm
 aJwCYSFgQbAsoAh4kWCUmYXGwc1h6aQQ3pcHD118yf9Glzjl4vwHOyF12GigfCdQ
 cbNo+ceacO3rg/H85zMl8OCMtnPwAlNAU+16MY0JwefKKs6rmRyQeTreQKjjdhTm
 /0FVKq1PXJeOdMBqSnrN/tJBIEJxtQlUqE7mx7B2OnczvNpaO4THGlo181nnzPPd
 HTb9fXzBJeSSbDGWF8W6MZIleDj+s4V5Z6Qqi0cW9F7Yn4dCw9ghBBkDZtcm+hkb
 +q0=
 =zjTS
 -----END PGP SIGNATURE-----

Merge tag 'dma-mapping-6.12-2024-09-29' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fix from Christoph Hellwig:

 - handle chained SGLs in the new tracing code (Christoph Hellwig)

* tag 'dma-mapping-6.12-2024-09-29' of git://git.infradead.org/users/hch/dma-mapping:
  dma-mapping: fix DMA API tracing for chained scatterlists
This commit is contained in:
Linus Torvalds 2024-09-29 09:35:10 -07:00
commit b81b78dacc
1 changed files with 19 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
include/trace/events/dma.h
View File

@ -176,9 +176,9 @@ TRACE_EVENT(dma_free,
);
TRACE_EVENT(dma_map_sg,
TP_PROTO(struct device *dev, struct scatterlist *sg, int nents,
TP_PROTO(struct device *dev, struct scatterlist *sgl, int nents,
int ents, enum dma_data_direction dir, unsigned long attrs),
TP_ARGS(dev, sg, nents, ents, dir, attrs),
TP_ARGS(dev, sgl, nents, ents, dir, attrs),
TP_STRUCT__entry(
__string(device, dev_name(dev))
@ -190,17 +190,17 @@ TRACE_EVENT(dma_map_sg,
),
TP_fast_assign(
struct scatterlist *sg;
int i;
__assign_str(device);
for (i = 0; i < nents; i++)
((u64 *)__get_dynamic_array(phys_addrs))[i] =
sg_phys(sg + i);
for (i = 0; i < ents; i++) {
for_each_sg(sgl, sg, nents, i)
((u64 *)__get_dynamic_array(phys_addrs))[i] = sg_phys(sg);
for_each_sg(sgl, sg, ents, i) {
((u64 *)__get_dynamic_array(dma_addrs))[i] =
sg_dma_address(sg + i);
sg_dma_address(sg);
((unsigned int *)__get_dynamic_array(lengths))[i] =
sg_dma_len(sg + i);
sg_dma_len(sg);
}
__entry->dir = dir;
__entry->attrs = attrs;
@ -222,9 +222,9 @@ TRACE_EVENT(dma_map_sg,
);
TRACE_EVENT(dma_unmap_sg,
TP_PROTO(struct device *dev, struct scatterlist *sg, int nents,
TP_PROTO(struct device *dev, struct scatterlist *sgl, int nents,
enum dma_data_direction dir, unsigned long attrs),
TP_ARGS(dev, sg, nents, dir, attrs),
TP_ARGS(dev, sgl, nents, dir, attrs),
TP_STRUCT__entry(
__string(device, dev_name(dev))
@ -234,12 +234,12 @@ TRACE_EVENT(dma_unmap_sg,
),
TP_fast_assign(
struct scatterlist *sg;
int i;
__assign_str(device);
for (i = 0; i < nents; i++)
((u64 *)__get_dynamic_array(addrs))[i] =
sg_phys(sg + i);
for_each_sg(sgl, sg, nents, i)
((u64 *)__get_dynamic_array(addrs))[i] = sg_phys(sg);
__entry->dir = dir;
__entry->attrs = attrs;
),
@ -290,9 +290,9 @@ DEFINE_EVENT(dma_sync_single, dma_sync_single_for_device,
TP_ARGS(dev, dma_addr, size, dir));
DECLARE_EVENT_CLASS(dma_sync_sg,
TP_PROTO(struct device *dev, struct scatterlist *sg, int nents,
TP_PROTO(struct device *dev, struct scatterlist *sgl, int nents,
enum dma_data_direction dir),
TP_ARGS(dev, sg, nents, dir),
TP_ARGS(dev, sgl, nents, dir),
TP_STRUCT__entry(
__string(device, dev_name(dev))
@ -302,14 +302,15 @@ DECLARE_EVENT_CLASS(dma_sync_sg,
),
TP_fast_assign(
struct scatterlist *sg;
int i;
__assign_str(device);
for (i = 0; i < nents; i++) {
for_each_sg(sgl, sg, nents, i) {
((u64 *)__get_dynamic_array(dma_addrs))[i] =
sg_dma_address(sg + i);
sg_dma_address(sg);
((unsigned int *)__get_dynamic_array(lengths))[i] =
sg_dma_len(sg + i);
sg_dma_len(sg);
}
__entry->dir = dir;
),