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/linux/mm/kmsan/
H A Dinstrumentation.c140 depot_stack_handle_t *origin) in get_param0_metadata() argument
145 *origin = ctx->cstate.param_origin_tls[0]; in get_param0_metadata()
148 static inline void set_retval_metadata(u64 shadow, depot_stack_handle_t origin) in set_retval_metadata() argument
153 ctx->cstate.retval_origin_tls = origin; in set_retval_metadata()
160 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()
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H A Dinit.c99 struct page *shadow, *origin; member
118 struct page *shadow, *origin; in kmsan_memblock_free_pages() local
124 if (!held_back[order].origin) { in kmsan_memblock_free_pages()
125 held_back[order].origin = page; in kmsan_memblock_free_pages()
129 origin = held_back[order].origin; in kmsan_memblock_free_pages()
130 kmsan_setup_meta(page, shadow, origin, order); in kmsan_memblock_free_pages()
133 held_back[order].origin = NULL; in kmsan_memblock_free_pages()
170 struct page *page, *shadow, *origin; in do_collection() local
175 origin = smallstack_pop(&collect); in do_collection()
176 kmsan_setup_meta(page, shadow, origin, collect.order); in do_collection()
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H A Dshadow.c102 ret.origin = kmsan_get_metadata(address, KMSAN_META_ORIGIN); in kmsan_get_shadow_origin_ptr()
109 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()
185 __memset(page_address(origin), 0, PAGE_SIZE * pages); in kmsan_alloc_page()
202 ((depot_stack_handle_t *)page_address(origin))[i] = handle; in kmsan_alloc_page()
278 void *shadow, *origin; in kmsan_init_alloc_meta_for_range() local
285 origin = memblock_alloc_or_panic(size, PAGE_SIZE); in kmsan_init_alloc_meta_for_range()
292 origin_p = virt_to_page((char *)origin + addr); in kmsan_init_alloc_meta_for_range()
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H 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()
H 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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H 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,
159 u32 origin, bool checked);
170 struct page *origin, int order);
H A Dcore.c192 u32 origin, bool checked) in kmsan_internal_set_shadow_origin() argument
234 if (origin || !aligned_shadow[i]) in kmsan_internal_set_shadow_origin()
235 origin_start[i] = origin; in kmsan_internal_set_shadow_origin()
258 depot_stack_handle_t *origin = NULL; in kmsan_internal_check_memory() local
302 origin = kmsan_get_metadata((void *)(addr64 + pos + i), in kmsan_internal_check_memory()
304 KMSAN_WARN_ON(!origin); in kmsan_internal_check_memory()
305 new_origin = *origin; in kmsan_internal_check_memory()
/linux/Documentation/admin-guide/device-mapper/
H A Dsnapshot.rst12 - To merge a snapshot of a block device back into the snapshot's origin
20 the origin device.
24 snapshot, snapshot-origin, and snapshot-merge.
26 - snapshot-origin <origin>
34 - snapshot <origin> <COW device> <persistent?> <chunksize>
37 A snapshot of the <origin> block device is created. Changed chunks of
40 from <origin> for unchanged data. <COW device> will often be
41 smaller than the origin and if it fills up the snapshot will become
55 snapshot-origin or snapshot-merge target must be suspended. A failure to
56 suspend the origin target could result in data corruption.
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H A Dcache.rst39 The origin device always contains a copy of the logical block, which
52 1. An origin device - the big, slow one.
66 The origin is divided up into blocks of a fixed size. This block size
89 complete until it has hit both the origin and cache devices. Clean
93 to be coherent with the origin device, then all reads are served from
94 the origin device (all reads miss the cache) and all writes are
95 forwarded to the origin device; additionally, write hits cause cache
121 Migrating data between the origin and cache device uses bandwidth.
170 state for all of the origin device (compare with the dirty bitset
181 cache <metadata dev> <cache dev> <origin dev> <block size>
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/linux/drivers/infiniband/hw/hns/
H 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/netfs/
H A Dobjects.c21 enum netfs_io_origin origin) in netfs_alloc_request() argument
42 rreq->origin = origin; in netfs_alloc_request()
57 if (origin == NETFS_READAHEAD || in netfs_alloc_request()
58 origin == NETFS_READPAGE || in netfs_alloc_request()
59 origin == NETFS_READ_GAPS || in netfs_alloc_request()
60 origin == NETFS_READ_SINGLE || in netfs_alloc_request()
61 origin == NETFS_READ_FOR_WRITE || in netfs_alloc_request()
62 origin == NETFS_UNBUFFERED_READ || in netfs_alloc_request()
63 origin == NETFS_DIO_READ) { in netfs_alloc_request()
H A Dread_collect.c196 if (rreq->origin == NETFS_READAHEAD || in netfs_collect_read_results()
197 rreq->origin == NETFS_READPAGE || in netfs_collect_read_results()
198 rreq->origin == NETFS_READ_FOR_WRITE) in netfs_collect_read_results()
349 if (rreq->origin == NETFS_UNBUFFERED_READ || in netfs_rreq_assess_dio()
350 rreq->origin == NETFS_DIO_READ) { in netfs_rreq_assess_dio()
370 if (rreq->origin == NETFS_UNBUFFERED_READ || in netfs_rreq_assess_dio()
371 rreq->origin == NETFS_DIO_READ) in netfs_rreq_assess_dio()
428 switch (rreq->origin) { in netfs_read_collection()
489 (rreq->origin == NETFS_READAHEAD || in netfs_read_subreq_progress()
490 rreq->origin in netfs_read_subreq_progress()
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/linux/security/loadpin/
H A Dloadpin.c28 static void report_load(const char *origin, struct file *file, char *operation) in report_load() argument
36 origin, operation, in report_load()
130 const char *origin = kernel_read_file_id_str(id); in loadpin_check() local
136 report_load(origin, file, "pinning-excluded"); in loadpin_check()
143 report_load(origin, NULL, "old-api-pinning-ignored"); in loadpin_check()
147 report_load(origin, NULL, "old-api-denied"); in loadpin_check()
169 report_load(origin, file, "pinned"); in loadpin_check()
175 report_load(origin, file, "pinning-ignored"); in loadpin_check()
179 report_load(origin, file, "denied"); in loadpin_check()
/linux/drivers/net/ethernet/hisilicon/hns/
H A Dhns_dsaf_reg.h1043 #define dsaf_set_field(origin, mask, shift, val) \ argument
1045 (origin) &= (~(mask)); \
1046 (origin) |= (((val) << (shift)) & (mask)); \
1049 #define dsaf_set_bit(origin, shift, val) \ argument
1050 dsaf_set_field((origin), (1ull << (shift)), (shift), (val))
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
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/linux/drivers/md/
H A Ddm-snap.c57 struct dm_dev *origin; member
179 return s->origin; in dm_snap_origin()
319 struct origin { struct
390 static struct origin *__lookup_origin(struct block_device *origin) in __lookup_origin() argument
393 struct origin *o; in __lookup_origin()
395 ol = &_origins[origin_hash(origin)]; in __lookup_origin()
397 if (bdev_equal(o->bdev, origin)) in __lookup_origin()
403 static void __insert_origin(struct origin *o) in __insert_origin()
410 static struct dm_origin *__lookup_dm_origin(struct block_device *origin) in __lookup_dm_origin() argument
415 ol = &_dm_origins[origin_hash(origin)]; in __lookup_dm_origin()
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/linux/fs/
H A Dpnode.c178 struct mount *origin) in __propagation_next() argument
183 if (master == origin->mnt_master) { in __propagation_next()
185 return (next == origin) ? NULL : next; in __propagation_next()
205 struct mount *origin) in propagation_next() argument
211 return __propagation_next(m, origin); in propagation_next()
215 struct mount *origin) in skip_propagation_subtree() argument
220 struct mount *p = __propagation_next(m, origin); in skip_propagation_subtree()
223 p = __propagation_next(p, origin); in skip_propagation_subtree()
228 static struct mount *next_group(struct mount *m, struct mount *origin) in next_group() argument
236 if (m->mnt_group_id == origin->mnt_group_id) { in next_group()
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/linux/drivers/gpu/drm/xe/
H 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()
H A Dxe_gt_sriov_pf_service.h21 int xe_gt_sriov_pf_service_process_request(struct xe_gt *gt, u32 origin,
26 xe_gt_sriov_pf_service_process_request(struct xe_gt *gt, u32 origin, in xe_gt_sriov_pf_service_process_request() argument
/linux/drivers/net/ethernet/hisilicon/
H 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()
/linux/drivers/media/mc/
H A Dmc-entity.c611 struct media_pad *origin; in media_pipeline_explore_next_link() local
618 origin = entry->pad; in media_pipeline_explore_next_link()
634 if (link->source->entity == origin->entity) { in media_pipeline_explore_next_link()
646 if (origin != local && in media_pipeline_explore_next_link()
647 !media_entity_has_pad_interdep(origin->entity, origin->index, in media_pipeline_explore_next_link()
686 origin->entity->name, origin->index); in media_pipeline_explore_next_link()
688 media_entity_for_each_pad(origin->entity, local) { in media_pipeline_explore_next_link()
694 if (origin == local || local->num_links || in media_pipeline_explore_next_link()
695 !media_entity_has_pad_interdep(origin->entity, origin->index, in media_pipeline_explore_next_link()
771 __must_check int __media_pipeline_start(struct media_pad *origin, in __media_pipeline_start() argument
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/linux/arch/s390/kvm/
H A Dinterrupt.c240 word = READ_ONCE(gi->origin->u64.word[0]); in gisa_get_ipm_or_restore_iam()
247 } while (!try_cmpxchg(&gi->origin->u64.word[0], &word, _word)); in gisa_get_ipm_or_restore_iam()
282 if (gi->origin) in pending_irqs()
283 pending_mask |= gisa_get_ipm(gi->origin) << IRQ_PEND_IO_ISC_7; in pending_irqs()
1157 if (gi->origin && gisa_tac_ipm_gisc(gi->origin, isc)) { in __deliver_io()
1261 if (gi->origin && in kvm_s390_handle_wait()
1704 if (!gi->origin) in get_top_gisa_isc()
1707 active_mask = (isc_mask & gisa_get_ipm(gi->origin) << 24) << 32; in get_top_gisa_isc()
1710 if (gisa_tac_ipm_gisc(gi->origin, isc)) in get_top_gisa_isc()
1751 gisa_set_ipm_gisc(gi->origin, isc); in kvm_s390_get_io_int()
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/linux/arch/um/drivers/
H A Dmconsole_user.c48 msg.msg_name = &(req->origin); in mconsole_reply_v0()
85 req->originlen = sizeof(req->origin); in mconsole_get_request()
87 (struct sockaddr *) req->origin, &req->originlen); in mconsole_get_request()
159 (struct sockaddr *) req->origin, req->originlen); in mconsole_reply_len()
/linux/drivers/acpi/acpica/
H A Dpstree.c169 union acpi_parse_object *acpi_ps_get_depth_next(union acpi_parse_object *origin, in acpi_ps_get_depth_next() argument
204 while (arg && (arg != origin) && (arg != op)) { in acpi_ps_get_depth_next()
210 if (arg == origin) { in acpi_ps_get_depth_next()
/linux/arch/s390/kernel/
H A Dnmi.c72 void *origin; in nmi_alloc_mcesa() local
78 origin = kmalloc(size, GFP_KERNEL); in nmi_alloc_mcesa()
79 if (!origin) in nmi_alloc_mcesa()
82 kmemleak_not_leak(origin); in nmi_alloc_mcesa()
83 *mcesad = __pa(origin); in nmi_alloc_mcesa()
/linux/arch/arm/kernel/
H A Dunwind.c105 const struct unwind_idx *origin, in search_index() argument
111 __func__, addr, start, origin, stop); in search_index()
119 stop = origin; in search_index()
122 start = origin; in search_index()
197 table->origin, in unwind_find_idx()
587 tab->origin = unwind_find_origin(tab->start, tab->stop); in unwind_table_add()

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