| /linux-6.6.21/mm/kmsan/ |
| D | instrumentation.c | 139 depot_stack_handle_t *origin) in get_param0_metadata() argument
144 *origin = ctx->cstate.param_origin_tls[0]; in get_param0_metadata()
147 static inline void set_retval_metadata(u64 shadow, depot_stack_handle_t origin) in set_retval_metadata() argument
152 ctx->cstate.retval_origin_tls = origin; in set_retval_metadata()
159 depot_stack_handle_t origin; in __msan_memmove() local
163 get_param0_metadata(&shadow, &origin); in __msan_memmove()
175 set_retval_metadata(shadow, origin); in __msan_memmove()
184 depot_stack_handle_t origin; in __msan_memcpy() local
188 get_param0_metadata(&shadow, &origin); in __msan_memcpy()
202 set_retval_metadata(shadow, origin); in __msan_memcpy()
[all …]
|
| 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()
[all …]
|
| 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()
|
| 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()
280 void *shadow, *origin; in kmsan_init_alloc_meta_for_range() local
287 origin = memblock_alloc(size, PAGE_SIZE); in kmsan_init_alloc_meta_for_range()
293 origin_p = virt_to_page_or_null((char *)origin + addr); in kmsan_init_alloc_meta_for_range()
[all …]
|
| 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()
168 if (!shadow || !origin) { in kmsan_ioremap_page_range()
183 vmalloc_origin(start + off + PAGE_SIZE), prot, &origin, in kmsan_ioremap_page_range()
192 origin = NULL; in kmsan_ioremap_page_range()
206 if (origin) in kmsan_ioremap_page_range()
207 __free_pages(origin, 1); in kmsan_ioremap_page_range()
224 struct page *shadow, *origin; in kmsan_iounmap_page_range() local
237 origin = kmsan_vmalloc_to_page_or_null((void *)v_origin); in kmsan_iounmap_page_range()
242 if (origin) in kmsan_iounmap_page_range()
[all …]
|
| 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);
|
| D | core.c | 262 u32 origin, bool checked) in kmsan_internal_set_shadow_origin() argument
295 origin_start[i] = origin; in kmsan_internal_set_shadow_origin()
317 depot_stack_handle_t *origin = NULL; in kmsan_internal_check_memory() local
365 origin = kmsan_get_metadata((void *)(addr64 + pos + i), in kmsan_internal_check_memory()
367 KMSAN_WARN_ON(!origin); in kmsan_internal_check_memory()
368 new_origin = *origin; in kmsan_internal_check_memory()
|
| /linux-6.6.21/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.
[all …]
|
| 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>
[all …]
|
| /linux-6.6.21/drivers/gpu/drm/i915/display/ |
| D | intel_frontbuffer.c | 81 enum fb_op_origin origin) in frontbuffer_flush() argument
91 trace_intel_frontbuffer_flush(i915, 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(i915, 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
[all …]
|
| D | intel_frontbuffer.h | 81 enum fb_op_origin origin,
96 enum fb_op_origin origin) in intel_frontbuffer_invalidate() argument
107 __intel_fb_invalidate(front, origin, frontbuffer_bits); in intel_frontbuffer_invalidate()
112 enum fb_op_origin origin,
124 enum fb_op_origin origin) in intel_frontbuffer_flush() argument
135 __intel_fb_flush(front, origin, frontbuffer_bits); in intel_frontbuffer_flush()
|
| /linux-6.6.21/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))
|
| /linux-6.6.21/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
[all …]
|
| /linux-6.6.21/fs/overlayfs/ |
| D | namei.c | 418 struct dentry *origin = NULL; in ovl_check_origin_fh() local
430 origin = ovl_decode_real_fh(ofs, fh, ofs->layers[i].mnt, in ovl_check_origin_fh()
432 if (origin) in ovl_check_origin_fh()
436 if (!origin) in ovl_check_origin_fh()
438 else if (IS_ERR(origin)) in ovl_check_origin_fh()
439 return PTR_ERR(origin); in ovl_check_origin_fh()
442 inode_wrong_type(d_inode(upperdentry), d_inode(origin)->i_mode)) in ovl_check_origin_fh()
448 dput(origin); in ovl_check_origin_fh()
452 .dentry = origin, in ovl_check_origin_fh()
461 d_inode(origin)->i_mode & S_IFMT); in ovl_check_origin_fh()
[all …]
|
| D | export.c | 714 struct ovl_path origin = { }; in ovl_lower_fh_to_d() local
715 struct ovl_path *stack = &origin; in ovl_lower_fh_to_d()
726 if (!d_is_dir(origin.dentry) || in ovl_lower_fh_to_d()
727 !(origin.dentry->d_flags & DCACHE_DISCONNECTED)) { in ovl_lower_fh_to_d()
728 inode = ovl_lookup_inode(sb, origin.dentry, false); in ovl_lower_fh_to_d()
764 if (d_is_dir(origin.dentry)) { in ovl_lower_fh_to_d()
765 dput(origin.dentry); in ovl_lower_fh_to_d()
766 origin.dentry = NULL; in ovl_lower_fh_to_d()
772 err = ovl_verify_origin(ofs, index, origin.dentry, false); in ovl_lower_fh_to_d()
778 dentry = ovl_get_dentry(sb, NULL, &origin, index); in ovl_lower_fh_to_d()
[all …]
|
| /linux-6.6.21/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()
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-6.6.21/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
[all …]
|
| 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))
|
| /linux-6.6.21/drivers/md/ |
| D | dm-snap.c | 52 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()
393 ol = &_origins[origin_hash(origin)]; in __lookup_origin()
395 if (bdev_equal(o->bdev, origin)) in __lookup_origin()
401 static void __insert_origin(struct origin *o) in __insert_origin()
408 static struct dm_origin *__lookup_dm_origin(struct block_device *origin) in __lookup_dm_origin() argument
413 ol = &_dm_origins[origin_hash(origin)]; in __lookup_dm_origin()
[all …]
|
| /linux-6.6.21/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()
[all …]
|
| /linux-6.6.21/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()
|
| /linux-6.6.21/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()
|
| /linux-6.6.21/arch/s390/mm/ |
| D | pgalloc.c | 531 static int base_page_walk(unsigned long *origin, unsigned long addr, in base_page_walk() argument
538 pte = origin; in base_page_walk()
547 static int base_segment_walk(unsigned long *origin, unsigned long addr, in base_segment_walk() argument
553 ste = origin; in base_segment_walk()
576 static int base_region3_walk(unsigned long *origin, unsigned long addr, in base_region3_walk() argument
582 rtte = origin; in base_region3_walk()
604 static int base_region2_walk(unsigned long *origin, unsigned long addr, in base_region2_walk() argument
610 rste = origin; in base_region2_walk()
632 static int base_region1_walk(unsigned long *origin, unsigned long addr, in base_region1_walk() argument
638 rfte = origin; in base_region1_walk()
|
| /linux-6.6.21/arch/s390/kvm/ |
| D | interrupt.c | 295 word = READ_ONCE(gi->origin->u64.word[0]); in gisa_get_ipm_or_restore_iam()
301 } while (cmpxchg(&gi->origin->u64.word[0], word, _word) != word); in gisa_get_ipm_or_restore_iam()
336 if (gi->origin) in pending_irqs()
337 pending_mask |= gisa_get_ipm(gi->origin) << IRQ_PEND_IO_ISC_7; in pending_irqs()
1209 if (gi->origin && gisa_tac_ipm_gisc(gi->origin, isc)) { in __deliver_io()
1313 if (gi->origin && in kvm_s390_handle_wait()
1755 if (!gi->origin) in get_top_gisa_isc()
1758 active_mask = (isc_mask & gisa_get_ipm(gi->origin) << 24) << 32; in get_top_gisa_isc()
1761 if (gisa_tac_ipm_gisc(gi->origin, isc)) in get_top_gisa_isc()
1802 gisa_set_ipm_gisc(gi->origin, isc); in kvm_s390_get_io_int()
[all …]
|
| /linux-6.6.21/arch/s390/kernel/ |
| D | nmi.c | 71 void *origin; in nmi_alloc_mcesa() local
77 origin = kmalloc(size, GFP_KERNEL); in nmi_alloc_mcesa()
78 if (!origin) in nmi_alloc_mcesa()
81 kmemleak_not_leak(origin); in nmi_alloc_mcesa()
82 *mcesad = __pa(origin); in nmi_alloc_mcesa()
|