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Mark Rutland b67d2c1804 atomics/generic: Define atomic64_fetch_add_unless() 
As a step towards unifying the atomic/atomic64/atomic_long APIs, this
patch converts the generic implementation of atomic64_add_unless() into
a generic implementation of atomic64_fetch_add_unless().

A wrapper in <linux/atomic.h> will build atomic_add_unless() atop of
this, provided it is given a preprocessor definition.

No functional change is intended as a result of this patch.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/lkml/20180621121321.4761-9-mark.rutland@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: UtsavBalar1231 <utsavbalar1231@gmail.com>
2020-08-26 22:42:03 +05:30
..
842
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
fonts
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
lz4
BACKPORT: lz4: fix kernel decompression speed
2020-08-17 18:55:48 +05:30
lzo
lib/lzo/lzo1x_compress.c: fix alignment bug in lzo-rle
2020-05-26 12:13:44 +05:30
mpi
treewide: kzalloc() -> kcalloc()
2020-08-17 18:55:52 +05:30
raid6
lib/raid6: use vdupq_n_u8 to avoid endianness warnings
2020-04-24 08:01:01 +02:00
reed_solomon
treewide: kmalloc() -> kmalloc_array()
2020-08-17 18:55:52 +05:30
vdso
ANDROID: clock_gettime(CLOCK_BOOTTIME,) slows down >20x
2020-05-26 12:11:33 +05:30
xz
…
zlib_deflate
…
zlib_inflate
lib/zlib: remove outdated and incorrect pre-increment optimization
2020-06-25 15:41:57 +02:00
zstd
lib: Prepare zstd for preboot environment, improve performance
2020-08-17 18:55:48 +05:30
.gitignore
…
argv_split.c
treewide: kmalloc() -> kmalloc_array()
2020-08-17 18:55:52 +05:30
asn1_decoder.c
ASN.1: check for error from ASN1_OP_END__ACT actions
2017-12-14 09:52:52 +01:00
assoc_array.c
assoc_array: Fix shortcut creation
2019-03-23 14:35:14 +01:00
atomic64_test.c
…
atomic64.c
atomics/generic: Define atomic64_fetch_add_unless()
2020-08-26 22:42:03 +05:30
audit.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
bcd.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
bch.c
…
bitmap.c
lib: fix stall in __bitmap_parselist()
2020-06-18 11:08:34 +05:30
bitrev.c
…
bsearch.c
kprobes: Prohibit probing on bsearch()
2019-04-05 22:31:33 +02:00
btree.c
…
bug.c
lib/bug.c: exclude non-BUG/WARN exceptions from report_bug()
2018-03-15 10:54:32 +01:00
build_OID_registry
…
bust_spinlocks.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
chacha.c
BACKPORT, FROMGIT: crypto: chacha - add XChaCha12 support
2018-12-05 12:30:44 -08:00
check_signature.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
checksum.c
…
clz_ctz.c
…
clz_tab.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cmdline.c
lib/cmdline.c: remove meaningless comment
2017-09-08 18:26:49 -07:00
compat_audit.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cordic.c
…
cpu_rmap.c
…
cpumask.c
lib: optimize cpumask_next_and()
2020-05-26 12:13:48 +05:30
crc4.c
…
crc7.c
…
crc8.c
…
crc16.c
…
crc32.c
crc32: fix ambiguous aliases
2020-06-15 20:34:08 +05:30
crc32defs.h
lib/crc: Move polynomial definition to separate header
2020-05-26 12:13:49 +05:30
crc32test.c
…
crc-ccitt.c
…
crc-itu-t.c
…
crc-t10dif.c
…
ctype.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
debug_info.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
debug_locks.c
lib: Disable debug_locks
2020-06-15 20:38:46 +05:30
debugobjects.c
debugobjects: avoid recursive calls with kmemleak
2018-12-17 09:28:54 +01:00
dec_and_lock.c
BACKPORT: atomic: Add irqsave variant of atomic_dec_and_lock()
2020-02-05 16:16:37 -08:00
decompress_bunzip2.c
…
decompress_inflate.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
decompress_unlz4.c
…
decompress_unlzma.c
…
decompress_unlzo.c
…
decompress_unxz.c
…
decompress_unzstd.c
lib: Add zstd support to decompress
2020-08-17 18:55:48 +05:30
decompress.c
lib: Add zstd support to decompress
2020-08-17 18:55:48 +05:30
devres.c
devres: allow const resource arguments
2020-01-27 14:46:39 +01:00
digsig.c
lib/digsig: fix dereference of NULL user_key_payload
2017-10-12 17:16:40 +01:00
div64.c
lib/div64.c: off by one in shift
2019-04-20 09:15:07 +02:00
dma-debug.c
dma-debug: add a schedule point in debug_dma_dump_mappings()
2020-01-04 13:59:39 +01:00
dma-noop.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dma-virt.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dump_stack.c
dump_stack: avoid the livelock of the dump_lock
2019-11-12 19:18:01 +01:00
dynamic_debug.c
Merge v4.14.194 into q
2020-08-21 13:41:39 +05:30
dynamic_queue_limits.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
earlycpio.c
…
errseq.c
errseq: Always report a writeback error once
2018-05-09 09:51:54 +02:00
extable.c
…
fault-inject.c
…
fdt_empty_tree.c
…
fdt_ro.c
…
fdt_rw.c
…
fdt_strerror.c
…
fdt_sw.c
…
fdt_wip.c
…
fdt.c
…
find_bit.c
Merge remote-tracking branch 'origin/LE.UM.4.2.1.r1.3' into auto-kernel
2020-06-14 21:40:28 +05:30
flex_array.c
…
flex_proportions.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
gcd.c
…
gen_crc32table.c
lib/crc: Use consistent naming for CRC-32 polynomials
2020-05-26 12:13:49 +05:30
genalloc.c
lib/genalloc.c: include vmalloc.h
2019-12-05 15:37:53 +01:00
glob.c
…
globtest.c
…
hexdump.c
lib/hexdump.c: return -EINVAL in case of error in hex2bin()
2017-09-08 18:26:49 -07:00
hweight.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
idr.c
idr: Fix idr_get_next race with idr_remove
2019-11-24 08:22:46 +01:00
inflate.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
int_sqrt.c
fix int_sqrt64() for very large numbers
2020-05-26 12:13:45 +05:30
interval_tree_test.c
treewide: kmalloc() -> kmalloc_array()
2020-08-17 18:55:52 +05:30
interval_tree.c
…
iomap_copy.c
…
iomap.c
Revert "msm: redefine __raw_{read, write}v for RTB"
2020-06-15 21:36:09 +05:30
iommu-common.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
iommu-helper.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ioremap.c
ioremap: Update pgtable free interfaces with addr
2018-08-17 21:01:11 +02:00
iov_iter.c
iov_iter: optimize page_copy_sane()
2019-05-21 18:50:21 +02:00
irq_poll.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
irq_regs.c
…
is_single_threaded.c
…
jedec_ddr_data.c
…
kasprintf.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kconfig
lib: Add zstd support to decompress
2020-08-17 18:55:48 +05:30
Kconfig.debug
locking/rwsem: Add DEBUG_RWSEMS to look for lock/unlock mismatches
2020-07-05 11:36:11 +05:30
Kconfig.kasan
BACKPORT: kasan: remove use after scope bugs detection.
2019-07-10 09:14:22 -07:00
Kconfig.kgdb
…
Kconfig.ubsan
…
kfifo.c
treewide: kmalloc() -> kmalloc_array()
2020-08-17 18:55:52 +05:30
klist.c
scsi: klist: Make it safe to use klists in atomic context
2018-10-03 17:00:48 -07:00
kobject_uevent.c
kobject_uevent: Allocate environment buffer on the stack
2020-06-16 00:16:24 +05:30
kobject.c
kobject: Replace strncpy with memcpy
2018-12-08 13:03:35 +01:00
kstrtox.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
kstrtox.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
lcm.c
…
libcrc32c.c
…
list_debug.c
…
list_sort.c
lib: list_sort.c: add a blank line to avoid kernel-doc warnings
2020-05-26 12:13:47 +05:30
llist.c
…
locking-selftest-hardirq.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-mutex.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-rlock-hardirq.h
…
locking-selftest-rlock-softirq.h
…
locking-selftest-rlock.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-rsem.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-rtmutex.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-softirq.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-spin-hardirq.h
…
locking-selftest-spin-softirq.h
…
locking-selftest-spin.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-wlock-hardirq.h
…
locking-selftest-wlock-softirq.h
…
locking-selftest-wlock.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest-wsem.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
locking-selftest.c
locking: Implement an algorithm choice for Wound-Wait mutexes
2020-07-05 11:36:16 +05:30
lockref.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
lru_cache.c
treewide: kzalloc() -> kcalloc()
2020-08-17 18:55:52 +05:30
Makefile
lib/string.c: Use freestanding environment
2020-08-23 13:43:19 +05:30
memory-notifier-error-inject.c
…
memweight.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
net_utils.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
netdev-notifier-error-inject.c
…
nlattr.c
lib/nlattr.c: Fix stringop overflow warning in nla_strcmp()
2020-06-16 22:54:37 +05:30
nmi_backtrace.c
printk/nmi: Prevent deadlock when accessing the main log buffer in NMI
2018-09-05 09:26:35 +02:00
nodemask.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
notifier-error-inject.c
…
notifier-error-inject.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
of-reconfig-notifier-error-inject.c
…
oid_registry.c
509: fix printing uninitialized stack memory when OID is empty
2018-02-25 11:08:01 +01:00
once.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
parman.c
…
parser.c
…
pci_iomap.c
…
percpu_counter.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
percpu_ida.c
…
percpu_test.c
…
percpu-refcount.c
…
plist.c
…
pm-notifier-error-inject.c
…
prime_numbers.c
…
radix-tree.c
idr: Fix idr_alloc_u32 on 32-bit systems
2019-12-05 15:36:53 +01:00
random32.c
random32: remove net_rand_state from the latent entropy gcc plugin
2020-08-07 09:38:41 +02:00
ratelimit.c
lib/ratelimit.c: use deferred printk() version
2017-10-03 17:54:26 -07:00
rational.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
rbtree_test.c
treewide: kmalloc() -> kmalloc_array()
2020-08-17 18:55:52 +05:30
rbtree.c
rbtree: add some additional comments for rebalancing cases
2017-09-08 18:26:48 -07:00
reciprocal_div.c
lib: reciprocal_div: implement the improved algorithm on the paper mentioned
2020-05-26 12:13:45 +05:30
refcount.c
lib: refcount: Cause kernel panic on refcount error detection
2018-05-09 22:53:15 -07:00
rhashtable.c
treewide: kvmalloc() -> kvmalloc_array()
2020-08-17 18:55:53 +05:30
sbitmap.c
treewide: kzalloc_node() -> kcalloc_node()
2020-08-17 18:55:53 +05:30
scatterlist.c
treewide: kmalloc() -> kmalloc_array()
2020-08-17 18:55:52 +05:30
seq_buf.c
seq_buf: Export seq_buf_printf
2020-08-17 18:55:55 +05:30
sg_pool.c
init: completely remove Early init services support
2020-07-30 21:51:02 +05:30
sg_split.c
lib: scatterlist: Fix to support no mapped sg
2020-05-26 12:13:50 +05:30
sha1.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
show_mem.c
…
siphash.c
…
smp_processor_id.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sort.c
lib/sort: Move swap, cmp and cmp_r function types for wider use
2020-05-26 12:13:48 +05:30
stackdepot.c
Merge remote-tracking branch 'kernel-common/android-4.14-stable' into LE.UM.4.2.1.r1.3
2020-06-14 13:43:25 +05:30
stmp_device.c
…
string_helpers.c
mm: treewide: remove GFP_TEMPORARY allocation flag
2017-09-13 18:53:16 -07:00
string.c
Revert "lib/string.c: implement a basic bcmp"
2020-08-26 22:42:01 +05:30
strncpy_from_user.c
lib: Add might_fault() to strncpy_from_user.
2020-08-17 18:55:48 +05:30
strnlen_user.c
Merge 4.14.185 into android-4.14-stable
2020-06-22 11:22:58 +02:00
swiotlb.c
swiotlb: clean up reporting
2018-12-13 09:18:52 +01:00
syscall.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
test_bitmap.c
lib: fix stall in __bitmap_parselist()
2020-06-18 11:08:34 +05:30
test_bpf.c
test_bpf: Fix testing with CONFIG_BPF_JIT_ALWAYS_ON=y on other arches
2018-11-04 14:52:43 +01:00
test_debug_virtual.c
lib: fix build failure in CONFIG_DEBUG_VIRTUAL test
2019-01-13 10:01:07 +01:00
test_firmware.c
treewide: Use array_size() in vzalloc()
2020-08-17 18:55:54 +05:30
test_hash.c
…
test_hexdump.c
test_hexdump: use memcpy instead of strncpy
2018-12-08 13:03:35 +01:00
test_kasan.c
Merge remote-tracking branch 'kernel-common/android-4.14-stable' into LE.UM.4.2.1.r1.3
2020-06-14 13:43:25 +05:30
test_kmod.c
Merge remote-tracking branch 'origin/q' into auto-kernel
2020-08-21 21:46:33 +05:30
test_list_sort.c
…
test_meminit.c
ANDROID: make memory initialization tests panic on failure
2020-02-14 01:31:11 +01:00
test_module.c
…
test_parman.c
…
test_printf.c
UPSTREAM: printk: hash addresses printed with %p
2019-03-28 21:16:17 -07:00
test_rhashtable.c
treewide: Use array_size() in vzalloc()
2020-08-17 18:55:54 +05:30
test_siphash.c
…
test_sort.c
…
test_stackinit.c
FROMLIST: lib: test_stackinit.c: XFAIL switch variable init tests
2020-03-05 09:58:19 -08:00
test_static_key_base.c
…
test_static_keys.c
…
test_sysctl.c
…
test_user_copy.c
…
test_uuid.c
…
test-kstrtox.c
…
test-string_helpers.c
…
textsearch.c
…
timerqueue.c
…
ts_bm.c
…
ts_fsm.c
textsearch: fix typos in library helpers
2017-10-22 03:14:07 +01:00
ts_kmp.c
textsearch: fix typos in library helpers
2017-10-22 03:14:07 +01:00
ubsan.c
Merge android-4.14.118 (db39369) into msm-4.14
2019-07-23 10:53:47 -07:00
ubsan.h
lib: ubsan: Fix compilation issues for ubsan
2018-03-09 11:30:09 -08:00
ucs2_string.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
usercopy.c
Fix misannotated out-of-line _copy_to_user()
2018-03-19 08:42:56 +01:00
uuid.c
…
vsprintf.c
proc: add seq_put_decimal_ull_width to speed up /proc/pid/smaps
2020-05-26 12:13:42 +05:30
win_minmax.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xxhash.c
…