linux/lib
Linus Torvalds f30adc0d33 iov_iter stuff, part 2, rebased
* more new_sync_{read,write}() speedups - ITER_UBUF introduction
 * ITER_PIPE cleanups
 * unification of iov_iter_get_pages/iov_iter_get_pages_alloc and
   switching them to advancing semantics
 * making ITER_PIPE take high-order pages without splitting them
 * handling copy_page_from_iter() for high-order pages properly
 
 Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-work.iov_iter-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull more iov_iter updates from Al Viro:

 - more new_sync_{read,write}() speedups - ITER_UBUF introduction

 - ITER_PIPE cleanups

 - unification of iov_iter_get_pages/iov_iter_get_pages_alloc and
   switching them to advancing semantics

 - making ITER_PIPE take high-order pages without splitting them

 - handling copy_page_from_iter() for high-order pages properly

* tag 'pull-work.iov_iter-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (32 commits)
  fix copy_page_from_iter() for compound destinations
  hugetlbfs: copy_page_to_iter() can deal with compound pages
  copy_page_to_iter(): don't split high-order page in case of ITER_PIPE
  expand those iov_iter_advance()...
  pipe_get_pages(): switch to append_pipe()
  get rid of non-advancing variants
  ceph: switch the last caller of iov_iter_get_pages_alloc()
  9p: convert to advancing variant of iov_iter_get_pages_alloc()
  af_alg_make_sg(): switch to advancing variant of iov_iter_get_pages()
  iter_to_pipe(): switch to advancing variant of iov_iter_get_pages()
  block: convert to advancing variants of iov_iter_get_pages{,_alloc}()
  iov_iter: advancing variants of iov_iter_get_pages{,_alloc}()
  iov_iter: saner helper for page array allocation
  fold __pipe_get_pages() into pipe_get_pages()
  ITER_XARRAY: don't open-code DIV_ROUND_UP()
  unify the rest of iov_iter_get_pages()/iov_iter_get_pages_alloc() guts
  unify xarray_get_pages() and xarray_get_pages_alloc()
  unify pipe_get_pages() and pipe_get_pages_alloc()
  iov_iter_get_pages(): sanity-check arguments
  iov_iter_get_pages_alloc(): lift freeing pages array on failure exits into wrapper
  ...
2022-08-08 20:04:35 -07:00
..
842
crypto crypto: lib - add module license to libsha1 2022-07-20 15:28:07 +08:00
dim dim: initialize all struct fields 2022-05-09 17:20:37 -07:00
fonts lib: fix spelling mistakes 2021-07-08 11:48:20 -07:00
kunit kunit: executor: Fix a memory leak on failure in kunit_filter_tests 2022-07-14 10:35:56 -06:00
livepatch selftests/livepatch: better synchronize test_klp_callbacks_busy 2022-06-15 10:29:10 +02:00
lz4 lib: make LZ4_decompress_safe_forceExtDict() static 2022-07-17 17:31:39 -07:00
lzo lib/lzo/lzo1x_compress.c: replace ternary operator with min() and min_t() 2022-07-29 18:12:34 -07:00
math math: make RATIONAL tristate 2021-09-08 11:50:26 -07:00
mpi Updates to various subsystems which I help look after. lib, ocfs2, 2022-08-07 10:03:24 -07:00
pldmfw lib: fix spelling mistakes 2021-07-08 11:48:20 -07:00
raid6 lib/raid6: Include <asm/ppc-opcode.h> for VPERMXOR 2022-03-08 15:20:21 -08:00
reed_solomon lib: fix spelling mistakes 2021-07-08 11:48:20 -07:00
test_fortify fortify: Detect struct member overflows in memset() at compile-time 2022-02-13 16:50:06 -08:00
vdso lib/vdso: Add vdso_data pointer as input to __arch_get_timens_vdso_data() 2021-04-14 23:04:44 +10:00
xz lib/xz, lib/decompress_unxz.c: Fix spelling in comments 2021-10-19 23:44:30 +08:00
zlib_deflate
zlib_dfltcc
zlib_inflate lib/zlib_inflate/inffast: check config in C to avoid unused function warning 2021-09-24 16:13:35 -07:00
zstd lib: zstd: Don't add -O3 to cflags 2021-11-18 13:16:22 -08:00
.gitignore bootconfig: Support embedding a bootconfig file in kernel 2022-04-26 17:58:51 -04:00
argv_split.c
ashldi3.c
ashrdi3.c
asn1_decoder.c
asn1_encoder.c lib: remove redundant assignment to variable ret 2022-01-20 08:52:55 +02:00
assoc_array.c assoc_array: Fix BUG_ON during garbage collect 2022-06-01 18:29:06 -07:00
atomic64_test.c
atomic64.c locking/atomic: atomic64: Remove unusable atomic ops 2021-12-13 10:56:09 +01:00
audit.c audit: add support for the openat2 syscall 2021-10-01 16:52:48 -04:00
base64.c lib/base64: RFC4648-compliant base64 encoding 2022-08-02 17:14:47 -06:00
bcd.c
bch.c lib/bch.c: fix a typo in the file bch.c 2021-05-06 19:24:12 -07:00
bitfield_kunit.c
bitmap.c Bitmap patches for v6.0-rc1 2022-08-07 17:52:35 -07:00
bitrev.c
bootconfig-data.S bootconfig: Support embedding a bootconfig file in kernel 2022-04-26 17:58:51 -04:00
bootconfig.c bootconfig: Support embedding a bootconfig file in kernel 2022-04-26 17:58:51 -04:00
bsearch.c
btree.c lib/btree: simplify btree_{lookup|update} 2022-06-16 19:58:21 -07:00
bucket_locks.c
bug.c bug: Use normal relative pointers in 'struct bug_entry' 2022-05-19 23:46:10 +02:00
build_OID_registry
buildid.c kdump: use vmlinux_build_id to simplify 2021-07-08 11:48:22 -07:00
bust_spinlocks.c
check_signature.c
checksum.c
clz_ctz.c
clz_tab.c
cmdline_kunit.c lib/cmdline_kunit: Remove a cast which are no-longer required 2021-06-23 16:41:41 -06:00
cmdline.c lib/cmdline: Export next_arg() for being used in modules 2021-05-05 16:07:40 +02:00
cmpdi2.c
compat_audit.c audit: add support for the openat2 syscall 2021-10-01 16:52:48 -04:00
cpu_rmap.c
cpumask.c Bitmap patches for v6.0-rc1 2022-08-07 17:52:35 -07:00
crc4.c
crc7.c
crc8.c lib: crc8: pointer to data block should be const 2021-05-06 19:24:12 -07:00
crc16.c
crc32.c lib/crc32: Make crc32_be weak for arch override 2022-01-31 11:21:43 +11:00
crc32defs.h
crc32test.c lib/crc32test: correct printed bytes count 2022-01-31 11:21:43 +11:00
crc64-rocksoft.c crypto: add rocksoft 64b crc guard tag framework 2022-03-07 12:48:35 -07:00
crc64.c lib: add rocksoft model crc64 2022-03-07 12:48:35 -07:00
crc-ccitt.c
crc-itu-t.c crc-itu-t: fix typo in CRC ITU-T polynomial comment 2022-06-07 10:27:38 +02:00
crc-t10dif.c
ctype.c
debug_info.c isystem: ship and use stdarg.h 2021-08-19 09:02:55 +09:00
debug_locks.c locking/lockdep: Improve noinstr vs errors 2021-06-22 13:56:43 +02:00
debugobjects.c debugobjects: Convert to SPDX license identifier 2022-05-13 12:35:17 +02:00
dec_and_lock.c
decompress_bunzip2.c lib/decompressors: fix spelling mistakes 2021-07-01 11:06:05 -07:00
decompress_inflate.c
decompress_unlz4.c lib/decompress_unlz4.c: correctly handle zero-padding around initrds. 2021-07-01 11:06:06 -07:00
decompress_unlzma.c lib: fix inconsistent indenting in process_bit1() 2021-05-06 19:24:12 -07:00
decompress_unlzo.c lib/decompressors: remove set but not used variabled 'level' 2021-07-01 11:06:06 -07:00
decompress_unxz.c lib/xz, lib/decompress_unxz.c: Fix spelling in comments 2021-10-19 23:44:30 +08:00
decompress_unzstd.c lib: zstd: Add decompress_sources.h for decompress_unzstd 2021-11-08 16:55:26 -08:00
decompress.c
devmem_is_allowed.c lib: use PFN_PHYS() in devmem_is_allowed() 2021-08-13 14:09:32 -10:00
devres.c lib: devres: use numa aware allocation 2022-07-17 17:31:41 -07:00
digsig.c
dump_stack.c printk: rename cpulock functions 2022-04-22 21:30:57 +02:00
dynamic_debug.c dyndbg: refine verbosity 1-4 summary-detail 2021-10-21 13:01:25 +02:00
dynamic_queue_limits.c
earlycpio.c lib: remove "expecting prototype" kernel-doc warnings 2021-04-16 16:10:37 -07:00
errname.c
error-inject.c lib/error-inject: traverse list with mutex 2022-07-17 17:31:38 -07:00
errseq.c
extable.c
fault-inject-usercopy.c
fault-inject.c mm: fix missing handler for __GFP_NOWARN 2022-05-19 14:08:55 -07:00
fdt_addresses.c
fdt_empty_tree.c
fdt_ro.c
fdt_rw.c
fdt_strerror.c
fdt_sw.c
fdt_wip.c
fdt.c
find_bit_benchmark.c lib: add find_first_and_bit() 2022-01-15 08:47:31 -08:00
find_bit.c lib: add find_first_and_bit() 2022-01-15 08:47:31 -08:00
flex_proportions.c lib/flex_proportions.c: remove local_irq_ops in fprop_new_period() 2022-06-16 19:58:20 -07:00
gen_crc32table.c
gen_crc64table.c lib: add rocksoft model crc64 2022-03-07 12:48:35 -07:00
genalloc.c all: replace find_next{,_zero}_bit with find_first{,_zero}_bit where appropriate 2022-01-15 08:47:31 -08:00
generic-radix-tree.c
glob.c lib: remove back_str initialization 2022-04-29 14:38:01 -07:00
globtest.c
hexdump.c hex2bin: fix access beyond string end 2022-04-27 10:57:33 -07:00
hweight.c
idr.c ida: don't use BUG_ON() for debugging 2022-07-10 13:55:49 -07:00
inflate.c
interval_tree_test.c
interval_tree.c
iomap_copy.c
iomap.c
iommu-helper.c
iov_iter.c fix copy_page_from_iter() for compound destinations 2022-08-08 22:37:26 -04:00
irq_poll.c lib/irq_poll: Prevent softirq pending leak in irq_poll_cpu_dead() 2022-04-13 21:32:21 +02:00
irq_regs.c
is_single_threaded.c
kasprintf.c isystem: ship and use stdarg.h 2021-08-19 09:02:55 +09:00
Kconfig Updates to various subsystems which I help look after. lib, ocfs2, 2022-08-07 10:03:24 -07:00
Kconfig.debug Updates to various subsystems which I help look after. lib, ocfs2, 2022-08-07 10:03:24 -07:00
Kconfig.kasan kasan: clean-up kconfig options descriptions 2022-05-13 07:20:19 -07:00
Kconfig.kcsan objtool: Make noinstr hacks optional 2022-04-22 12:32:04 +02:00
Kconfig.kfence kfence: allow use of a deferrable timer 2022-03-22 15:57:11 -07:00
Kconfig.kgdb
Kconfig.ubsan ubsan: disable UBSAN_DIV_ZERO for clang 2022-07-14 15:45:26 -07:00
kfifo.c lib: fix spelling mistakes 2021-07-08 11:48:20 -07:00
klist.c
kobject_uevent.c kobject: remove kset from struct kset_uevent_ops callbacks 2021-12-28 11:26:18 +01:00
kobject.c kobject: kobj_type: remove default_attrs 2022-04-05 15:39:19 +02:00
kstrtox.c lib/kstrtox.c: add "false"/"true" support to kstrtobool() 2022-05-13 07:20:13 -07:00
kstrtox.h lib: vsprintf: Fix handling of number field widths in vsscanf 2021-05-19 15:05:11 +02:00
libcrc32c.c
linear_ranges.c lib: add linear range get selector within 2021-08-13 18:37:38 +02:00
list_debug.c lib/list_debug.c: Detect uninitialized lists 2022-06-16 19:58:20 -07:00
list_sort.c lib: fix spelling mistakes 2021-07-08 11:48:20 -07:00
list-test.c list: test: Test the hlist structure 2022-04-05 13:32:27 -06:00
llist.c
locking-selftest-hardirq.h
locking-selftest-mutex.h
locking-selftest-rlock-hardirq.h
locking-selftest-rlock-softirq.h
locking-selftest-rlock.h
locking-selftest-rsem.h
locking-selftest-rtmutex.h
locking-selftest-softirq.h
locking-selftest-spin-hardirq.h
locking-selftest-spin-softirq.h
locking-selftest-spin.h
locking-selftest-wlock-hardirq.h
locking-selftest-wlock-softirq.h
locking-selftest-wlock.h
locking-selftest-wsem.h
locking-selftest.c lockdep/selftests: Adapt ww-tests for PREEMPT_RT 2021-12-04 10:56:24 +01:00
lockref.c lockref: remove unused 'lockref_get_or_lock()' function 2022-07-03 14:40:28 -07:00
logic_iomem.c lib/logic_iomem: correct fallback config references 2022-03-11 10:42:56 +01:00
logic_pio.c PCI: Fix pci_register_io_range() memory leak 2021-02-17 17:31:06 -06:00
lru_cache.c lib/lru_cache: fix error free handing in lc_create 2022-07-17 17:31:37 -07:00
lshrdi3.c
Makefile Bitmap patches for v6.0-rc1 2022-08-07 17:52:35 -07:00
memcat_p.c
memcpy_kunit.c string.h: Introduce memset_startat() for wiping trailing members and padding 2021-10-18 12:28:52 -07:00
memneq.c crypto: memneq - move into lib/ 2022-06-12 14:51:51 +08:00
memory-notifier-error-inject.c
memregion.c
memweight.c
muldi3.c
net_utils.c
netdev-notifier-error-inject.c
nlattr.c lib: fix spelling mistakes 2021-07-08 11:48:20 -07:00
nmi_backtrace.c printk: rename cpulock functions 2022-04-22 21:30:57 +02:00
nodemask.c lib/nodemask: inline next_node_in() and node_random() 2022-08-01 08:13:21 -07:00
notifier-error-inject.c
notifier-error-inject.h
objagg.c lib: objagg: Use the bitmap API when applicable 2021-12-24 14:54:29 -08:00
of-reconfig-notifier-error-inject.c
oid_registry.c lib: fix spelling mistakes 2021-07-08 11:48:20 -07:00
once.c once: Fix panic when module unload 2021-08-08 13:00:20 +01:00
overflow_kunit.c lib: overflow: Do not define 64-bit tests on 32-bit 2022-07-01 17:39:49 -07:00
packing.c net: update NXP copyright text 2021-09-17 13:52:17 +01:00
parman.c lib: remove "expecting prototype" kernel-doc warnings 2021-04-16 16:10:37 -07:00
parser.c kernel.h: split out kstrtox() and simple_strtox() to a separate header 2021-07-01 11:06:05 -07:00
pci_iomap.c pci_iounmap'2: Electric Boogaloo: try to make sense of it all 2021-09-19 17:13:35 -07:00
percpu_counter.c lib/percpu_counter: tame kernel-doc compile warning 2021-05-06 19:24:12 -07:00
percpu_test.c
percpu-refcount.c percpu_ref_init(): clean ->percpu_count_ref on failure 2022-05-18 02:20:17 -04:00
plist.c
pm-notifier-error-inject.c
polynomial.c lib: add generic polynomial calculation 2022-05-22 11:32:30 -07:00
radix-tree.c lib/radix-tree: remove unused argument of insert_entries 2022-07-17 17:31:38 -07:00
random32.c random32: use real rng for non-deterministic randomness 2022-05-18 15:53:52 +02:00
ratelimit.c
rbtree_test.c
rbtree.c
ref_tracker.c ref_tracker: remove filter_irq_stacks() call 2022-02-06 11:05:28 +00:00
refcount.c lib: fix spelling mistakes 2021-07-08 11:48:20 -07:00
rhashtable.c lib: fix spelling mistakes 2021-07-08 11:48:20 -07:00
sbitmap.c lib/sbitmap: Fix invalid loop in __sbitmap_queue_get_batch() 2022-06-25 10:58:55 -06:00
scatterlist.c lib/scatterlist: use matched parameter type when calling __sg_free_table() 2022-07-17 17:31:39 -07:00
seq_buf.c lib: fix spelling mistakes 2021-07-08 11:48:20 -07:00
sg_pool.c lib/scatterlist: Fix wrong update of orig_nents 2021-08-24 19:52:40 -03:00
sg_split.c
show_mem.c
siphash.c SPDX changes for 5.19-rc1 2022-06-03 10:34:34 -07:00
slub_kunit.c mm/slub, kunit: Make slub_kunit unaffected by user specified flags 2022-04-06 10:11:48 +02:00
smp_processor_id.c lib/smp_processor_id: fix imbalanced instrumentation_end() call 2022-07-17 17:31:41 -07:00
sort.c lib/sort: Add priv pointer to swap function 2022-03-17 20:17:18 -07:00
stackdepot.c lib/stackdepot: replace CONFIG_STACK_HASH_ORDER with automatic sizing 2022-07-17 17:31:38 -07:00
stackinit_kunit.c lib: stackinit: Convert to KUnit 2022-03-21 08:13:04 -07:00
stmp_device.c
string_helpers.c lib/string_helpers: fix not adding strarray to device's resource list 2022-05-12 20:38:36 -07:00
string.c lib/string.c: simplify str[c]spn 2022-04-29 14:38:01 -07:00
strncpy_from_user.c lib/strn*,objtool: Enforce user_access_begin() rules 2022-04-19 21:58:47 +02:00
strnlen_user.c lib/strn*,objtool: Enforce user_access_begin() rules 2022-04-19 21:58:47 +02:00
syscall.c sched: Change task_struct::state 2021-06-18 11:43:09 +02:00
test_bitmap.c lib/test_bitmap: test the tail after bitmap_to_arr64() 2022-07-12 08:00:50 -07:00
test_bitops.c lib/test: fix spelling mistakes 2021-07-08 11:48:20 -07:00
test_bits.c
test_blackhole_dev.c
test_bpf.c test_bpf: fix incorrect netdev features 2022-06-22 19:20:20 -07:00
test_cpumask.c lib/test: introduce cpumask KUnit test suite 2022-07-17 17:31:41 -07:00
test_debug_virtual.c
test_firmware.c test_firmware: fix end of loop test in upload_read_show() 2022-05-19 19:28:37 +02:00
test_fprobe.c fprobe: Add a selftest for fprobe 2022-03-17 20:17:14 -07:00
test_fpu.c
test_free_pages.c lib/test_free_pages.c: pass a pointer to virt_to_page() 2022-07-17 17:14:36 -07:00
test_hash.c test_hash.c: refactor into kunit 2022-01-20 08:52:54 +02:00
test_hexdump.c
test_hmm_uapi.h lib: add support for device coherent type in test_hmm 2022-07-17 17:14:29 -07:00
test_hmm.c lib: add support for device coherent type in test_hmm 2022-07-17 17:14:29 -07:00
test_ida.c
test_kasan_module.c kasan: test: bypass __alloc_size checks 2021-11-06 13:30:33 -07:00
test_kasan.c kasan: test: Silence GCC 12 warnings 2022-07-27 13:34:41 -07:00
test_kmod.c lib/test: use after free in register_test_dev_kmod() 2022-03-29 15:13:36 -07:00
test_kprobes.c test_kprobes: Move it from kernel/ to lib/ 2021-10-26 17:23:46 -04:00
test_linear_ranges.c
test_list_sort.c lib/test: convert lib/test_list_sort.c to use KUnit 2021-06-25 11:31:03 -06:00
test_lockup.c lib/test_lockup: fix kernel pointer check for separate address spaces 2022-02-25 09:36:06 +01:00
test_memcat_p.c
test_meminit.c lib/test_meminit: optimize do_kmem_cache_rcu_persistent() test 2022-04-29 14:38:00 -07:00
test_min_heap.c
test_module.c
test_objagg.c
test_parman.c
test_printf.c lib/test_printf.c: fix clang -Wformat warnings 2022-07-28 10:38:30 +02:00
test_ref_tracker.c lib: add tests for reference tracker 2021-12-06 16:04:44 -08:00
test_rhashtable.c rhashtable: avoid -Wrestrict warning on overlapping sprintf output 2021-03-24 15:16:09 -07:00
test_scanf.c lib/test_scanf: split up number parsing test routines 2021-09-06 11:04:03 -07:00
test_siphash.c siphash: add SPDX tags as sole licensing authority 2022-05-19 18:54:22 +02:00
test_sort.c lib/test: convert test_sort.c to use KUnit 2021-09-08 11:50:26 -07:00
test_static_key_base.c
test_static_keys.c
test_string.c lib/test_string.c: add strspn and strcspn tests 2022-04-29 14:38:00 -07:00
test_strscpy.c
test_sysctl.c selftests/sysctl: add sysctl macro test 2022-05-03 10:15:07 +02:00
test_ubsan.c ubsan: remove CONFIG_UBSAN_OBJECT_SIZE 2022-01-20 08:52:55 +02:00
test_user_copy.c
test_uuid.c
test_vmalloc.c lib/test_vmalloc: switch to prandom_u32() 2022-07-03 18:08:42 -07:00
test_xarray.c XArray: Fix xas_create_range() when multi-order entry present 2022-03-28 19:25:11 -04:00
test-kstrtox.c
test-string_helpers.c string_helpers: Escape double quotes in escape_special 2021-07-19 11:39:28 +02:00
textsearch.c
timerqueue.c rbtree, timerqueue: Use rb_add_cached() 2021-02-17 14:08:01 +01:00
trace_readwrite.c lib: Add register read/write tracing support 2022-06-15 17:41:12 +02:00
ts_bm.c lib/ts_bm.c: remove redundant store to variable consumed after addition 2022-07-17 17:31:39 -07:00
ts_fsm.c
ts_kmp.c
ubsan.c ubsan: no need to unset panic_on_warn in ubsan_epilogue() 2022-03-23 19:00:35 -07:00
ubsan.h
ucmpdi2.c
ucs2_string.c
usercopy.c
uuid.c
vsprintf.c random: remove rng_has_arch_random() 2022-06-10 11:29:48 +02:00
win_minmax.c
xarray.c mm/huge_memory: Fix xarray node memory leak 2022-06-09 16:24:25 -04:00
xxhash.c