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/linux/mm/kmsan/
A Dinstrumentation.c160 depot_stack_handle_t origin; in __msan_memmove() local
164 get_param0_metadata(&shadow, &origin); in __msan_memmove()
176 set_retval_metadata(shadow, origin); in __msan_memmove()
185 depot_stack_handle_t origin; in __msan_memcpy() local
189 get_param0_metadata(&shadow, &origin); in __msan_memcpy()
203 set_retval_metadata(shadow, origin); in __msan_memcpy()
212 depot_stack_handle_t origin; in __msan_memset() local
216 get_param0_metadata(&shadow, &origin); in __msan_memset()
229 set_retval_metadata(shadow, origin); in __msan_memset()
312 void __msan_warning(u32 origin);
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A Dinit.c100 struct page *shadow, *origin; member
119 struct page *shadow, *origin; in kmsan_memblock_free_pages() local
125 if (!held_back[order].origin) { in kmsan_memblock_free_pages()
126 held_back[order].origin = page; in kmsan_memblock_free_pages()
130 origin = held_back[order].origin; in kmsan_memblock_free_pages()
131 kmsan_setup_meta(page, shadow, origin, order); in kmsan_memblock_free_pages()
134 held_back[order].origin = NULL; in kmsan_memblock_free_pages()
171 struct page *page, *shadow, *origin; in do_collection() local
176 origin = smallstack_pop(&collect); in do_collection()
221 if (held_back[i].origin) in kmsan_memblock_discard()
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A Dshadow.c109 ret.origin = dummy_store_page; in kmsan_get_shadow_origin_ptr()
113 ret.origin = dummy_load_page; in kmsan_get_shadow_origin_ptr()
173 struct page *shadow, *origin; in kmsan_alloc_page() local
181 origin = origin_page_for(page); in kmsan_alloc_page()
277 void *shadow, *origin; in kmsan_init_alloc_meta_for_range() local
284 origin = memblock_alloc(size, PAGE_SIZE); in kmsan_init_alloc_meta_for_range()
286 if (!shadow || !origin) in kmsan_init_alloc_meta_for_range()
295 origin_p = virt_to_page((char *)origin + addr); in kmsan_init_alloc_meta_for_range()
302 struct page *origin, int order) in kmsan_setup_meta() argument
306 set_no_shadow_origin_page(&origin[i]); in kmsan_setup_meta()
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A Dreport.c86 void kmsan_print_origin(depot_stack_handle_t origin) in kmsan_print_origin() argument
96 if (!origin) in kmsan_print_origin()
100 nr_entries = stack_depot_fetch(origin, &entries); in kmsan_print_origin()
101 depth = kmsan_depth_from_eb(stack_depot_get_extra_bits(origin)); in kmsan_print_origin()
123 origin = entries[2]; in kmsan_print_origin()
150 void kmsan_report(depot_stack_handle_t origin, void *address, int size, in kmsan_report() argument
164 if (!origin) in kmsan_report()
171 is_uaf = kmsan_uaf_from_eb(stack_depot_get_extra_bits(origin)); in kmsan_report()
196 kmsan_print_origin(origin); in kmsan_report()
A Dhooks.c154 struct page *shadow, *origin; in kmsan_ioremap_page_range() local
165 origin = alloc_pages(gfp_mask, 1); in kmsan_ioremap_page_range()
166 if (!shadow || !origin) { in kmsan_ioremap_page_range()
181 vmalloc_origin(start + off + PAGE_SIZE), prot, &origin, in kmsan_ioremap_page_range()
190 origin = NULL; in kmsan_ioremap_page_range()
204 if (origin) in kmsan_ioremap_page_range()
205 __free_pages(origin, 1); in kmsan_ioremap_page_range()
222 struct page *shadow, *origin; in kmsan_iounmap_page_range() local
235 origin = kmsan_vmalloc_to_page_or_null((void *)v_origin); in kmsan_iounmap_page_range()
240 if (origin) in kmsan_iounmap_page_range()
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A Dkmsan.h42 void *shadow, *origin; member
55 void kmsan_print_origin(depot_stack_handle_t origin);
75 void kmsan_report(depot_stack_handle_t origin, void *address, int size,
160 u32 origin, bool checked);
171 struct page *origin, int order);
/linux/Documentation/admin-guide/device-mapper/
A Dsnapshot.rst20 the origin device.
24 snapshot, snapshot-origin, and snapshot-merge.
26 - snapshot-origin <origin>
34 - snapshot <origin> <COW device> <persistent?> <chunksize>
40 from <origin> for unchanged data. <COW device> will often be
56 suspend the origin target could result in data corruption.
73 - snapshot-merge <origin> <COW device> <persistent> <chunksize>
78 "snapshot-origin" target and must not be loaded if the "snapshot-origin"
79 is still present for <origin>.
115 volumeGroup-base: 0 2097152 snapshot-origin 254:11
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A Dcache.rst52 1. An origin device - the big, slow one.
181 cache <metadata dev> <cache dev> <origin dev> <block size>
188 origin dev slow device holding original data blocks
207 content from being different from origin block content.
210 so they may differ from the corresponding origin blocks.
215 the origin. If a write goes to a cached origin
224 to the origin's data device.
258 to the origin
262 mapped to the origin
268 from the origin
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/linux/drivers/gpu/drm/i915/display/
A Dintel_frontbuffer.c84 enum fb_op_origin origin) in frontbuffer_flush() argument
96 trace_intel_frontbuffer_flush(i915, frontbuffer_bits, origin); in frontbuffer_flush()
101 intel_psr_flush(display, frontbuffer_bits, origin); in frontbuffer_flush()
102 intel_fbc_flush(i915, frontbuffer_bits, origin); in frontbuffer_flush()
173 enum fb_op_origin origin, in __intel_fb_invalidate() argument
179 if (origin == ORIGIN_CS) { in __intel_fb_invalidate()
189 intel_psr_invalidate(display, frontbuffer_bits, origin); in __intel_fb_invalidate()
191 intel_fbc_invalidate(i915, frontbuffer_bits, origin); in __intel_fb_invalidate()
195 enum fb_op_origin origin, in __intel_fb_flush() argument
200 if (origin == ORIGIN_CS) { in __intel_fb_flush()
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A Dintel_frontbuffer.h83 enum fb_op_origin origin,
98 enum fb_op_origin origin) in intel_frontbuffer_invalidate() argument
109 __intel_fb_invalidate(front, origin, frontbuffer_bits); in intel_frontbuffer_invalidate()
114 enum fb_op_origin origin,
126 enum fb_op_origin origin) in intel_frontbuffer_flush() argument
137 __intel_fb_flush(front, origin, frontbuffer_bits); in intel_frontbuffer_flush()
/linux/drivers/gpu/drm/i915/gem/
A Di915_gem_object_frontbuffer.h16 enum fb_op_origin origin);
18 enum fb_op_origin origin);
22 enum fb_op_origin origin) in i915_gem_object_flush_frontbuffer() argument
25 __i915_gem_object_flush_frontbuffer(obj, origin); in i915_gem_object_flush_frontbuffer()
30 enum fb_op_origin origin) in i915_gem_object_invalidate_frontbuffer() argument
33 __i915_gem_object_invalidate_frontbuffer(obj, origin); in i915_gem_object_invalidate_frontbuffer()
/linux/drivers/infiniband/hw/hns/
A Dhns_roce_common.h42 #define roce_get_field(origin, mask, shift) \ argument
43 ((le32_to_cpu(origin) & (mask)) >> (u32)(shift))
45 #define roce_get_bit(origin, shift) \ argument
46 roce_get_field((origin), (1ul << (shift)), (shift))
48 #define roce_set_field(origin, mask, shift, val) \ argument
50 (origin) &= ~cpu_to_le32(mask); \
51 (origin) |= \
55 #define roce_set_bit(origin, shift, val) \ argument
56 roce_set_field((origin), (1ul << (shift)), (shift), (val))
/linux/fs/9p/
A Dvfs_addr.c78 if (subreq->rreq->origin != NETFS_DIO_READ) in v9fs_issue_read()
97 bool writing = (rreq->origin == NETFS_READ_FOR_WRITE || in v9fs_init_request()
98 rreq->origin == NETFS_WRITETHROUGH || in v9fs_init_request()
99 rreq->origin == NETFS_UNBUFFERED_WRITE || in v9fs_init_request()
100 rreq->origin == NETFS_DIO_WRITE); in v9fs_init_request()
102 if (rreq->origin == NETFS_WRITEBACK) in v9fs_init_request()
126 WARN_ON(rreq->origin == NETFS_READ_FOR_WRITE && !(fid->mode & P9_ORDWR)); in v9fs_init_request()
/linux/Documentation/dev-tools/
A Dkmsan.rst212 0xffff0000, and the origin of the result would be the origin of ``b``.
222 To ease debugging, KMSAN creates a new origin for every store of an
224 and the previous origin the value had. This may cause increased memory
225 consumption, so we limit the length of origin chains in the runtime.
240 void *shadow, *origin;
252 origin are also stored using the metadata pointers.
258 set the origin of that variable to that value::
319 void __msan_warning(u32 origin)
380 origin pages::
384 struct page *shadow, *origin;
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/linux/drivers/gpu/drm/xe/
A Dxe_guc_relay.c568 if (pending->remote != origin || pending->rid != rid) { in relay_handle_reply()
821 guc_hxg_type_to_string(type), rid, origin, 4 * len, msg); in relay_process_msg()
827 err = relay_queue_action_msg(relay, origin, rid, msg, len); in relay_process_msg()
830 err = relay_handle_reply(relay, origin, rid, 0, msg, len); in relay_process_msg()
833 err = relay_handle_reply(relay, origin, rid, -EBUSY, NULL, 0); in relay_process_msg()
836 err = relay_handle_reply(relay, origin, rid, -EAGAIN, NULL, 0); in relay_process_msg()
839 err = relay_handle_failure(relay, origin, rid, msg, len); in relay_process_msg()
847 guc_hxg_type_to_string(type), rid, origin, in relay_process_msg()
912 u32 origin, rid; in xe_guc_relay_process_guc2pf() local
939 if (unlikely(origin > relay_get_totalvfs(relay))) in xe_guc_relay_process_guc2pf()
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A Dxe_gt_sriov_pf_monitor.c46 char origin[8]; in pf_handle_vf_threshold_event() local
50 xe_sriov_function_name(vfid, origin, sizeof(origin)); in pf_handle_vf_threshold_event()
55 threshold, origin); in pf_handle_vf_threshold_event()
60 origin, xe_gt_sriov_pf_config_get_threshold(gt, vfid, e), in pf_handle_vf_threshold_event()
/linux/fs/overlayfs/
A Dnamei.c438 if (origin) in ovl_check_origin_fh()
442 if (!origin) in ovl_check_origin_fh()
444 else if (IS_ERR(origin)) in ovl_check_origin_fh()
445 return PTR_ERR(origin); in ovl_check_origin_fh()
454 dput(origin); in ovl_check_origin_fh()
458 .dentry = origin, in ovl_check_origin_fh()
468 dput(origin); in ovl_check_origin_fh()
688 dput(origin.dentry); in ovl_verify_index()
836 origin, index); in ovl_lookup_index()
1169 origin = this; in ovl_lookup()
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/linux/security/loadpin/
A Dloadpin.c27 static void report_load(const char *origin, struct file *file, char *operation) in report_load() argument
35 origin, operation, in report_load()
132 const char *origin = kernel_read_file_id_str(id); in loadpin_check() local
139 report_load(origin, file, "pinning-excluded"); in loadpin_check()
146 report_load(origin, NULL, "old-api-pinning-ignored"); in loadpin_check()
150 report_load(origin, NULL, "old-api-denied"); in loadpin_check()
173 report_load(origin, file, "pinned"); in loadpin_check()
179 report_load(origin, file, "pinning-ignored"); in loadpin_check()
183 report_load(origin, file, "denied"); in loadpin_check()
/linux/drivers/net/ethernet/hisilicon/hns/
A Dhns_dsaf_reg.h1045 (origin) &= (~(mask)); \
1046 (origin) |= (((val) << (shift)) & (mask)); \
1049 #define dsaf_set_bit(origin, shift, val) \ argument
1055 u32 origin = dsaf_read_reg(base, reg); in dsaf_set_reg_field() local
1057 dsaf_set_field(origin, mask, shift, val); in dsaf_set_reg_field()
1058 dsaf_write_reg(base, reg, origin); in dsaf_set_reg_field()
1067 #define dsaf_get_field(origin, mask, shift) (((origin) & (mask)) >> (shift)) argument
1069 #define dsaf_get_bit(origin, shift) \ argument
1075 u32 origin; in dsaf_get_reg_field() local
1077 origin = dsaf_read_reg(base, reg); in dsaf_get_reg_field()
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/linux/fs/netfs/
A Dobjects.c19 enum netfs_io_origin origin) in netfs_alloc_request() argument
39 rreq->origin = origin; in netfs_alloc_request()
54 if (origin == NETFS_READAHEAD || in netfs_alloc_request()
55 origin == NETFS_READPAGE || in netfs_alloc_request()
56 origin == NETFS_READ_GAPS || in netfs_alloc_request()
57 origin == NETFS_READ_FOR_WRITE || in netfs_alloc_request()
58 origin == NETFS_DIO_READ) in netfs_alloc_request()
A Dread_collect.c336 if (rreq->origin == NETFS_DIO_READ) { in netfs_rreq_assess_dio()
354 if (rreq->origin == NETFS_DIO_READ) in netfs_rreq_assess_dio()
375 if (rreq->origin == NETFS_DIO_READ || in netfs_rreq_assess()
376 rreq->origin == NETFS_READ_GAPS) in netfs_rreq_assess()
437 (rreq->origin == NETFS_READAHEAD || in netfs_read_subreq_progress()
438 rreq->origin == NETFS_READPAGE || in netfs_read_subreq_progress()
439 rreq->origin == NETFS_READ_FOR_WRITE)) { in netfs_read_subreq_progress()
482 if (rreq->origin != NETFS_DIO_READ) { in netfs_read_subreq_terminated()
496 (rreq->origin == NETFS_READAHEAD || in netfs_read_subreq_terminated()
497 rreq->origin == NETFS_READPAGE || in netfs_read_subreq_terminated()
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/linux/drivers/md/
A Ddm-snap.c52 struct dm_dev *origin; member
174 return s->origin; in dm_snap_origin()
314 struct origin { struct
388 static struct origin *__lookup_origin(struct block_device *origin) in __lookup_origin() argument
391 struct origin *o; in __lookup_origin()
454 struct origin *o; in __find_snapshots_sharing_cow()
608 struct origin *o; in unregister_snapshot()
1084 dest.bdev = s->origin->bdev; in snapshot_merge_next_chunks()
1418 dm_put_device(ti, s->origin); in snapshot_ctr()
2558 struct origin *o; in do_origin()
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/linux/block/partitions/
A Dmsdos.c251 sector_t offset, sector_t size, int origin) in parse_solaris_x86() argument
269 snprintf(tmp, sizeof(tmp), " %s%d: <solaris:", state->name, origin); in parse_solaris_x86()
356 sector_t offset, sector_t size, int origin, char *flavour, in parse_bsd() argument
410 sector_t offset, sector_t size, int origin) in parse_freebsd() argument
413 parse_bsd(state, offset, size, origin, "bsd", BSD_MAXPARTITIONS); in parse_freebsd()
418 sector_t offset, sector_t size, int origin) in parse_netbsd() argument
426 sector_t offset, sector_t size, int origin) in parse_openbsd() argument
429 parse_bsd(state, offset, size, origin, "openbsd", in parse_openbsd()
484 sector_t offset, sector_t size, int origin) in parse_unixware() argument
530 sector_t offset, sector_t size, int origin) in parse_minix() argument
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/linux/arch/s390/mm/
A Dpgalloc.c297 static int base_page_walk(unsigned long *origin, unsigned long addr, in base_page_walk() argument
304 pte = origin; in base_page_walk()
313 static int base_segment_walk(unsigned long *origin, unsigned long addr, in base_segment_walk() argument
319 ste = origin; in base_segment_walk()
342 static int base_region3_walk(unsigned long *origin, unsigned long addr, in base_region3_walk() argument
348 rtte = origin; in base_region3_walk()
370 static int base_region2_walk(unsigned long *origin, unsigned long addr, in base_region2_walk() argument
376 rste = origin; in base_region2_walk()
398 static int base_region1_walk(unsigned long *origin, unsigned long addr, in base_region1_walk() argument
404 rfte = origin; in base_region1_walk()
/linux/drivers/net/ethernet/hisilicon/
A Dhns_mdio.c108 #define mdio_set_field(origin, mask, shift, val) \ argument
110 (origin) &= (~((mask) << (shift))); \
111 (origin) |= (((val) & (mask)) << (shift)); \
114 #define mdio_get_field(origin, mask, shift) (((origin) >> (shift)) & (mask)) argument
119 u32 origin = mdio_read_reg(base, reg); in mdio_set_reg_field() local
121 mdio_set_field(origin, mask, shift, val); in mdio_set_reg_field()
122 mdio_write_reg(base, reg, origin); in mdio_set_reg_field()
130 u32 origin; in mdio_get_reg_field() local
132 origin = mdio_read_reg(base, reg); in mdio_get_reg_field()
133 return mdio_get_field(origin, mask, shift); in mdio_get_reg_field()

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