| /Linux-v6.1/mm/kmsan/ |
| D | instrumentation.c | 122 depot_stack_handle_t *origin) in get_param0_metadata() argument
127 *origin = ctx->cstate.param_origin_tls[0]; in get_param0_metadata()
130 static inline void set_retval_metadata(u64 shadow, depot_stack_handle_t origin) in set_retval_metadata() argument
135 ctx->cstate.retval_origin_tls = origin; in set_retval_metadata()
141 depot_stack_handle_t origin; in __msan_memmove() local
145 get_param0_metadata(&shadow, &origin); in __msan_memmove()
157 set_retval_metadata(shadow, origin); in __msan_memmove()
165 depot_stack_handle_t origin; in __msan_memcpy() local
169 get_param0_metadata(&shadow, &origin); in __msan_memcpy()
183 set_retval_metadata(shadow, origin); in __msan_memcpy()
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| D | init.c | 97 struct page *shadow, *origin; member
116 struct page *shadow, *origin; in kmsan_memblock_free_pages() local
122 if (!held_back[order].origin) { in kmsan_memblock_free_pages()
123 held_back[order].origin = page; in kmsan_memblock_free_pages()
127 origin = held_back[order].origin; in kmsan_memblock_free_pages()
128 kmsan_setup_meta(page, shadow, origin, order); in kmsan_memblock_free_pages()
131 held_back[order].origin = NULL; in kmsan_memblock_free_pages()
168 struct page *page, *shadow, *origin; in do_collection() local
173 origin = smallstack_pop(&collect); in do_collection()
174 kmsan_setup_meta(page, shadow, origin, collect.order); in do_collection()
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| D | report.c | 84 void kmsan_print_origin(depot_stack_handle_t origin) in kmsan_print_origin() argument
94 if (!origin) in kmsan_print_origin()
98 nr_entries = stack_depot_fetch(origin, &entries); in kmsan_print_origin()
99 depth = kmsan_depth_from_eb(stack_depot_get_extra_bits(origin)); in kmsan_print_origin()
121 origin = entries[2]; in kmsan_print_origin()
148 void kmsan_report(depot_stack_handle_t origin, void *address, int size, in kmsan_report() argument
162 if (!origin) in kmsan_report()
169 is_uaf = kmsan_uaf_from_eb(stack_depot_get_extra_bits(origin)); in kmsan_report()
194 kmsan_print_origin(origin); in kmsan_report()
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| D | shadow.c | 102 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()
175 struct page *shadow, *origin; in kmsan_alloc_page() local
183 origin = origin_page_for(page); in kmsan_alloc_page()
187 __memset(page_address(origin), 0, PAGE_SIZE * pages); in kmsan_alloc_page()
204 ((depot_stack_handle_t *)page_address(origin))[i] = handle; in kmsan_alloc_page()
271 void *shadow, *origin; in kmsan_init_alloc_meta_for_range() local
278 origin = memblock_alloc(size, PAGE_SIZE); in kmsan_init_alloc_meta_for_range()
284 origin_p = virt_to_page_or_null((char *)origin + addr); in kmsan_init_alloc_meta_for_range()
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| D | kmsan.h | 64 void *shadow, *origin; member
78 void kmsan_print_origin(depot_stack_handle_t origin);
98 void kmsan_report(depot_stack_handle_t origin, void *address, int size,
183 u32 origin, bool checked);
194 struct page *origin, int order);
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| D | hooks.c | 156 struct page *shadow, *origin; in kmsan_ioremap_page_range() local
167 origin = alloc_pages(gfp_mask, 1); in kmsan_ioremap_page_range()
174 vmalloc_origin(start + off + PAGE_SIZE), prot, &origin, in kmsan_ioremap_page_range()
185 struct page *shadow, *origin; in kmsan_iounmap_page_range() local
198 origin = kmsan_vmalloc_to_page_or_null((void *)v_origin); in kmsan_iounmap_page_range()
203 if (origin) in kmsan_iounmap_page_range()
204 __free_pages(origin, 1); in kmsan_iounmap_page_range()
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| D | core.c | 258 u32 origin, bool checked) in kmsan_internal_set_shadow_origin() argument
291 origin_start[i] = origin; in kmsan_internal_set_shadow_origin()
313 depot_stack_handle_t *origin = NULL; in kmsan_internal_check_memory() local
361 origin = kmsan_get_metadata((void *)(addr64 + pos + i), in kmsan_internal_check_memory()
363 KMSAN_WARN_ON(!origin); in kmsan_internal_check_memory()
364 new_origin = *origin; in kmsan_internal_check_memory()
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| /Linux-v6.1/Documentation/admin-guide/device-mapper/ |
| D | snapshot.rst | 12 - 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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| D | cache.rst | 39 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-v6.1/drivers/gpu/drm/i915/display/ |
| D | intel_frontbuffer.c | 81 enum fb_op_origin origin) in frontbuffer_flush() argument
91 trace_intel_frontbuffer_flush(frontbuffer_bits, origin); in frontbuffer_flush()
95 intel_psr_flush(i915, frontbuffer_bits, origin); in frontbuffer_flush()
96 intel_fbc_flush(i915, frontbuffer_bits, origin); in frontbuffer_flush()
167 enum fb_op_origin origin, in __intel_fb_invalidate() argument
172 if (origin == ORIGIN_CS) { in __intel_fb_invalidate()
179 trace_intel_frontbuffer_invalidate(frontbuffer_bits, origin); in __intel_fb_invalidate()
182 intel_psr_invalidate(i915, frontbuffer_bits, origin); in __intel_fb_invalidate()
184 intel_fbc_invalidate(i915, frontbuffer_bits, origin); in __intel_fb_invalidate()
188 enum fb_op_origin origin, in __intel_fb_flush() argument
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| D | intel_frontbuffer.h | 109 enum fb_op_origin origin,
124 enum fb_op_origin origin) in intel_frontbuffer_invalidate() argument
135 __intel_fb_invalidate(front, origin, frontbuffer_bits); in intel_frontbuffer_invalidate()
140 enum fb_op_origin origin,
152 enum fb_op_origin origin) in intel_frontbuffer_flush() argument
163 __intel_fb_flush(front, origin, frontbuffer_bits); in intel_frontbuffer_flush()
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| D | intel_display_trace.h | 547 TP_PROTO(unsigned int frontbuffer_bits, unsigned int origin),
548 TP_ARGS(frontbuffer_bits, origin),
552 __field(unsigned int, origin)
557 __entry->origin = origin;
561 __entry->frontbuffer_bits, __entry->origin)
565 TP_PROTO(unsigned int frontbuffer_bits, unsigned int origin),
566 TP_ARGS(frontbuffer_bits, origin),
570 __field(unsigned int, origin)
575 __entry->origin = origin;
579 __entry->frontbuffer_bits, __entry->origin)
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| /Linux-v6.1/drivers/infiniband/hw/hns/ |
| D | hns_roce_common.h | 42 #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))
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| /Linux-v6.1/Documentation/dev-tools/ |
| D | kmsan.rst | 95 incorrect shadow/origin values, likely leading to false positives. Functions
163 Every four bytes of kernel memory also have a so-called origin mapped to them.
164 This origin describes the point in program execution at which the uninitialized
165 value was created. Every origin is associated with either the full allocation
169 When an uninitialized variable is allocated on stack or heap, a new origin
170 value is created, and that variable's origin is filled with that value. When a
171 value is read from memory, its origin is also read and kept together with the
172 shadow. For every instruction that takes one or more values, the origin of the
174 If a poisoned value is written into memory, its origin is written to the
183 In this case the origin of ``b`` is generated upon function entry, and is
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| /Linux-v6.1/fs/overlayfs/ |
| D | namei.c | 356 struct dentry *origin = NULL; in ovl_check_origin_fh() local
368 origin = ovl_decode_real_fh(ofs, fh, ofs->layers[i].mnt, in ovl_check_origin_fh()
370 if (origin) in ovl_check_origin_fh()
374 if (!origin) in ovl_check_origin_fh()
376 else if (IS_ERR(origin)) in ovl_check_origin_fh()
377 return PTR_ERR(origin); in ovl_check_origin_fh()
380 inode_wrong_type(d_inode(upperdentry), d_inode(origin)->i_mode)) in ovl_check_origin_fh()
386 dput(origin); in ovl_check_origin_fh()
390 .dentry = origin, in ovl_check_origin_fh()
399 d_inode(origin)->i_mode & S_IFMT); in ovl_check_origin_fh()
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| D | export.c | 704 struct ovl_path origin = { }; in ovl_lower_fh_to_d() local
705 struct ovl_path *stack = &origin; in ovl_lower_fh_to_d()
716 if (!d_is_dir(origin.dentry) || in ovl_lower_fh_to_d()
717 !(origin.dentry->d_flags & DCACHE_DISCONNECTED)) { in ovl_lower_fh_to_d()
718 inode = ovl_lookup_inode(sb, origin.dentry, false); in ovl_lower_fh_to_d()
754 if (d_is_dir(origin.dentry)) { in ovl_lower_fh_to_d()
755 dput(origin.dentry); in ovl_lower_fh_to_d()
756 origin.dentry = NULL; in ovl_lower_fh_to_d()
762 err = ovl_verify_origin(ofs, index, origin.dentry, false); in ovl_lower_fh_to_d()
768 dentry = ovl_get_dentry(sb, NULL, &origin, index); in ovl_lower_fh_to_d()
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| /Linux-v6.1/security/loadpin/ |
| D | loadpin.c | 26 static void report_load(const char *origin, struct file *file, char *operation) in report_load() argument
34 origin, operation, in report_load()
129 const char *origin = kernel_read_file_id_str(id); in loadpin_read_file() local
143 report_load(origin, file, "pinning-excluded"); in loadpin_read_file()
150 report_load(origin, NULL, "old-api-pinning-ignored"); in loadpin_read_file()
154 report_load(origin, NULL, "old-api-denied"); in loadpin_read_file()
176 report_load(origin, file, "pinned"); in loadpin_read_file()
184 report_load(origin, file, "pinning-ignored"); in loadpin_read_file()
188 report_load(origin, file, "denied"); in loadpin_read_file()
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| /Linux-v6.1/drivers/net/ethernet/hisilicon/hns/ |
| D | hns_dsaf_reg.h | 1043 #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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| D | hnae.h | 693 #define hnae_set_field(origin, mask, shift, val) \ argument
695 (origin) &= (~(mask)); \
696 (origin) |= ((val) << (shift)) & (mask); \
699 #define hnae_set_bit(origin, shift, val) \ argument
700 hnae_set_field((origin), (0x1 << (shift)), (shift), (val))
702 #define hnae_get_field(origin, mask, shift) (((origin) & (mask)) >> (shift)) argument
704 #define hnae_get_bit(origin, shift) \ argument
705 hnae_get_field((origin), (0x1 << (shift)), (shift))
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| /Linux-v6.1/drivers/md/ |
| D | dm-snap.c | 51 struct dm_dev *origin; member
173 return s->origin; in dm_snap_origin()
311 struct origin { struct
385 static struct origin *__lookup_origin(struct block_device *origin) in __lookup_origin() argument
388 struct origin *o; in __lookup_origin()
390 ol = &_origins[origin_hash(origin)]; in __lookup_origin()
392 if (bdev_equal(o->bdev, origin)) in __lookup_origin()
398 static void __insert_origin(struct origin *o) in __insert_origin()
404 static struct dm_origin *__lookup_dm_origin(struct block_device *origin) in __lookup_dm_origin() argument
409 ol = &_dm_origins[origin_hash(origin)]; in __lookup_dm_origin()
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| /Linux-v6.1/block/partitions/ |
| D | msdos.c | 251 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
372 snprintf(tmp, sizeof(tmp), " %s%d: <%s:", state->name, origin, flavour); in parse_bsd()
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
421 parse_bsd(state, offset, size, origin, "netbsd", BSD_MAXPARTITIONS); in parse_netbsd()
426 sector_t offset, sector_t size, int origin) in parse_openbsd() argument
429 parse_bsd(state, offset, size, origin, "openbsd", in parse_openbsd()
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| /Linux-v6.1/drivers/net/ethernet/hisilicon/ |
| D | hns_mdio.c | 108 #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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| /Linux-v6.1/arch/s390/mm/ |
| D | pgalloc.c | 488 static int base_page_walk(unsigned long *origin, unsigned long addr, in base_page_walk() argument
495 pte = origin; in base_page_walk()
504 static int base_segment_walk(unsigned long *origin, unsigned long addr, in base_segment_walk() argument
510 ste = origin; in base_segment_walk()
533 static int base_region3_walk(unsigned long *origin, unsigned long addr, in base_region3_walk() argument
539 rtte = origin; in base_region3_walk()
561 static int base_region2_walk(unsigned long *origin, unsigned long addr, in base_region2_walk() argument
567 rste = origin; in base_region2_walk()
589 static int base_region1_walk(unsigned long *origin, unsigned long addr, in base_region1_walk() argument
595 rfte = origin; in base_region1_walk()
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| /Linux-v6.1/fs/ |
| D | pnode.c | 150 struct mount *origin) in propagation_next() argument
159 if (master == origin->mnt_master) { in propagation_next()
161 return (next == origin) ? NULL : next; in propagation_next()
171 struct mount *origin) in skip_propagation_subtree() argument
183 static struct mount *next_group(struct mount *m, struct mount *origin) in next_group() argument
191 if (m->mnt_group_id == origin->mnt_group_id) { in next_group()
192 if (next == origin) in next_group()
204 if (master->mnt_group_id == origin->mnt_group_id) in next_group()
210 if (m == origin) in next_group()
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| /Linux-v6.1/arch/s390/kernel/ |
| D | nmi.c | 95 unsigned long origin; in nmi_alloc_mcesa() local
102 origin = (unsigned long) kmem_cache_alloc(mcesa_cache, GFP_KERNEL); in nmi_alloc_mcesa()
103 if (!origin) in nmi_alloc_mcesa()
106 kmemleak_not_leak((void *) origin); in nmi_alloc_mcesa()
107 *mcesad = __pa(origin) | mcesa_origin_lc; in nmi_alloc_mcesa()
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