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msm-4.14/lib
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Chenyang Zhong e6438341d1
lib/lz4: enable LZ4_FAST_DEC_LOOP on aarch64 Clang builds 
Upstream lz4 mentioned a performance regression on Qualcomm SoCs
when built with Clang, but not with GCC [1]. However, according to my
testing on sm8350 with LLVM Clang 15, this patch does offer a nice
10% boost in decompression, so enable the fast dec loop for Clang
as well.

Testing procedure:
- pre-fill zram with 1GB of real-word zram data dumped under memory
  pressure, for example
  $ dd if=/sdcard/zram.test of=/dev/block/zram0 bs=1m count=1000
- $ fio --readonly --name=randread --direct=1 --rw=randread \
  --ioengine=psync --randrepeat=0 --numjobs=4 --iodepth=1 \
  --group_reporting=1 --filename=/dev/block/zram0 --bs=4K --size=1000M

Results:
- vanilla lz4: read: IOPS=1646k, BW=6431MiB/s (6743MB/s)(4000MiB/622msec)
- lz4 fast dec: read: IOPS=1775k, BW=6932MiB/s (7269MB/s)(4000MiB/577msec)

[1] https://github.com/lz4/lz4/pull/707

Signed-off-by: Chenyang Zhong <zhongcy95@gmail.com>
Signed-off-by: azrim <mirzaspc@gmail.com>
2022-07-26 07:19:44 +00:00
..
842
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
crypto
treewide: switch more to Ofast
2022-06-30 14:12:20 +00:00
fonts
treewide: switch more to Ofast
2022-06-30 14:12:20 +00:00
lz4
lib/lz4: enable LZ4_FAST_DEC_LOOP on aarch64 Clang builds
2022-07-26 07:19:44 +00:00
lzo
treewide: switch more to Ofast
2022-06-30 14:12:20 +00:00
mpi
lib/mpi: Fix 64-bit MIPS build with Clang
2020-06-20 10:25:10 +02:00
raid6
lib/raid6/test: fix multiple definition linking error
2022-04-20 09:08:12 +02:00
reed_solomon
rslib: Allocate decoder buffers to avoid VLAs
2022-04-26 15:03:40 +07:00
vdso
ANDROID: clock_gettime(CLOCK_BOOTTIME,) slows down >20x
2022-03-19 07:30:51 +00:00
xz
BACKPORT: lib/decompressors: fix spelling mistakes
2022-04-06 13:18:30 +07:00
zlib_deflate
…
zlib_inflate
BACKPORT: lib/decompressors: fix spelling mistakes
2022-04-06 13:18:30 +07:00
zstd
treewide: switch more to Ofast
2022-06-30 14:12:20 +00:00
.gitignore
…
argv_split.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
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 BUG_ON during garbage collect
2022-06-06 08:20:56 +02:00
atomic64_test.c
lib/atomic64_test.c: add a test that atomic64_inc_not_zero() returns an int
2017-07-14 15:05:13 -07:00
atomic64.c
…
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: rework bitmap_parselist
2022-06-10 15:41:44 +07:00
bitrev.c
…
bsearch.c
kprobes: Prohibit probing on bsearch()
2019-04-05 22:31:33 +02:00
btree.c
…
bug.c
bug: Remove redundant condition check in report_bug
2021-05-22 10:57:32 +02:00
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()
2022-06-10 15:41:42 +07:00
crc4.c
lib: Add crc4 module
2017-06-09 11:52:07 +02:00
crc7.c
…
crc8.c
…
crc16.c
…
crc32.c
lib/crc32.c: fix trivial typo in preprocessor condition
2020-10-29 09:07:10 +01:00
crc32defs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
crc32test.c
lib/crc32test: remove extra local_irq_disable/enable
2020-11-10 10:29:04 +01:00
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
locking/lockdep: Fix debug_locks off performance problem
2018-11-13 11:14:51 -08:00
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
BACKPORT: lib/decompressors: fix spelling mistakes
2022-04-06 13:18:30 +07:00
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
lib/decompress_unlz4.c: correctly handle zero-padding around initrds.
2021-07-20 16:17:51 +02:00
decompress_unlzma.c
…
decompress_unlzo.c
…
decompress_unxz.c
BACKPORT: lib/decompressors: fix spelling mistakes
2022-04-06 13:18:30 +07:00
decompress_unzstd.c
lib: decompress_unzstd: define UINTPTR_MAX
2022-04-06 13:18:32 +07:00
decompress.c
BACKPORT: lib: Add zstd support to decompress
2022-04-06 13:18:29 +07:00
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: change allocation mode from GFP_NOWAIT to GFP_ATIOMIC
2022-06-14 16:53:45 +02:00
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
This is the 4.14.194 stable release
2020-08-21 11:00:26 +02:00
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
lib/extable.c: use bsearch() library function in search_extable()
2017-07-10 16:32:35 -07:00
fault-inject.c
fault-inject: fix wrong should_fail() decision in task context
2017-08-10 15:54:06 -07:00
fdt_empty_tree.c
…
fdt_ro.c
…
fdt_rw.c
…
fdt_strerror.c
…
fdt_sw.c
…
fdt_wip.c
…
fdt.c
…
find_bit.c
lib: optimize cpumask_next_and()
2022-06-10 15:41:42 +07:00
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
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
genalloc.c
lib/genalloc: fix the overflow when size is too big
2021-01-12 20:09:06 +01:00
glob.c
lib: add module support to glob tests
2017-02-24 17:46:57 -08:00
globtest.c
lib: add module support to glob tests
2017-02-24 17:46:57 -08:00
hexdump.c
hex2bin: fix access beyond string end
2022-05-12 12:17:06 +02:00
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
Merge remote-tracking branch 'google/android-4.14-stable' into richelieu
2022-07-13 09:08:30 +00:00
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
lib/int_sqrt: optimize initial value compute
2019-04-05 22:31:24 +02:00
interval_tree_test.c
lib/rbtree-test: lower default params
2018-12-17 09:28:55 +01:00
interval_tree.c
…
iomap_copy.c
…
iomap.c
Merge remote-tracking branch 'remotes/origin/tmp-39dae59' into msm-next
2017-11-06 11:37:20 -08:00
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
lib/iov_iter: initialize "flags" in new pipe_buffer
2022-02-23 11:57:35 +01:00
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
sched/headers: Prepare to move 'init_task' and 'init_thread_union' from <linux/sched.h> to <linux/sched/task.h>
2017-03-02 08:42:38 +01:00
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
Merge branch 'android-4.14-stable' of https://android.googlesource.com/kernel/common into sheesh
2022-05-03 12:46:23 +07:00
Kconfig.debug
Merge remote-tracking branch 'google/android-4.14-stable' into richelieu
2022-06-30 14:03:54 +00:00
Kconfig.kasan
BACKPORT: kasan: remove use after scope bugs detection.
2019-07-10 09:14:22 -07:00
Kconfig.kgdb
lib: update location of kgdb documentation
2017-05-16 08:44:22 -03:00
Kconfig.ubsan
Kconfig: lib/Kconfig.ubsan fix reference to ubsan documentation
2016-12-14 16:04:08 -08:00
kfifo.c
Partially revert "kfifo: fix kfifo_alloc() and kfifo_init()"
2020-01-27 14:46:44 +01:00
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: remove warning in init_uevent_argv()
2021-05-22 10:57:41 +02:00
kobject.c
kobject: Replace strncpy with memcpy
2018-12-08 13:03:35 +01:00
kstrtox.c
lib: vsprintf: Fix handling of number field widths in vsscanf
2021-07-20 16:17:33 +02:00
kstrtox.h
lib: vsprintf: Fix handling of number field widths in vsscanf
2021-07-20 16:17:33 +02:00
lcm.c
…
libcrc32c.c
crypto: Work around deallocated stack frame reference gcc bug on sparc.
2017-06-08 17:36:03 +08:00
list_debug.c
bug: switch data corruption check to __must_check
2017-02-24 17:46:56 -08:00
list_sort.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
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
2022-06-10 17:01:01 +07:00
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
…
Makefile
Selectively use Ofast on some targets
2022-06-30 14:12:20 +00:00
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 warning due to incorrect strlen() variable type
2022-05-03 06:17:09 +07:00
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
nodemask: Fix return values to be unsigned
2022-06-14 16:54:01 +02:00
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
lib: Introduce priority array area manager
2017-02-03 16:35:42 -05:00
parser.c
parser: add u64 number parser
2016-12-06 10:17:03 +02:00
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
sched/headers: Prepare to remove the <linux/gfp.h> include from <linux/sched.h>
2017-03-02 08:42:34 +01:00
percpu_test.c
…
percpu-refcount.c
rcu: Squash backport from v5.4
2022-04-06 13:18:17 +07:00
plist.c
sched/headers: Prepare for new header dependencies before moving code to <linux/sched/clock.h>
2017-03-02 08:42:27 +01:00
pm-notifier-error-inject.c
…
prime_numbers.c
lib/prime_numbers: Suppress warn on kmalloc failure
2017-01-23 09:17:12 +01:00
radix-tree.c
radix tree: use GFP_ZONEMASK bits of gfp_t for flags
2022-06-30 14:15:39 +00:00
random32.c
random: replace custom notifier chain with standard one
2022-06-25 11:46:36 +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
lib/rbtree-test: lower default params
2018-12-17 09:28:55 +01:00
rbtree.c
rbtree: add some additional comments for rebalancing cases
2017-09-08 18:26:48 -07:00
reciprocal_div.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
refcount.c
lib: refcount: Cause kernel panic on refcount error detection
2018-05-09 22:53:15 -07:00
rhashtable.c
rhashtable: Still do rehash when we get EEXIST
2019-04-03 06:25:09 +02:00
sbitmap.c
sbitmap: fix improper use of smp_mb__before_atomic()
2019-05-31 06:47:10 -07:00
scatterlist.c
scatterlist: Don't allocate sg lists using __get_free_page
2022-05-03 06:11:14 +07:00
seq_buf.c
seq_buf: Fix overflow in seq_buf_putmem_hex()
2021-07-20 16:17:47 +02:00
sg_pool.c
…
sg_split.c
…
sha1.c
lib/crypto: sha1: re-roll loops to reduce code size
2022-06-25 11:46:27 +02:00
show_mem.c
lib/show_mem.c: teach show_mem to work with the given nodemask
2017-02-22 16:41:30 -08:00
siphash.c
siphash: use one source of truth for siphash permutations
2022-06-25 11:46:39 +02:00
smp_processor_id.c
kernel: sched: Provide a pointer to the valid CPU mask
2022-06-10 16:45:21 +07:00
sort.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
stackdepot.c
Merge branch 'android-4.14-stable' of https://android.googlesource.com/kernel/common into HEAD
2022-03-16 00:46:24 +01:00
stmp_device.c
…
string_helpers.c
mm: treewide: remove GFP_TEMPORARY allocation flag
2017-09-13 18:53:16 -07:00
string.c
lib/string.c: Optimize memchr()
2022-07-13 09:15:59 +00:00
strncpy_from_user.c
This is the 4.14.185 stable release
2020-06-22 11:22:58 +02:00
strnlen_user.c
This is the 4.14.185 stable release
2020-06-22 11:22:58 +02:00
swiotlb.c
swiotlb: skip swiotlb_bounce when orig_addr is zero
2022-07-02 16:18:11 +02:00
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()
2022-06-10 15:41:43 +07:00
test_bpf.c
bpf: add also cbpf long jump test cases with heavy expansion
2021-10-17 10:08:32 +02:00
test_debug_virtual.c
lib: fix build failure in CONFIG_DEBUG_VIRTUAL test
2019-01-13 10:01:07 +01:00
test_firmware.c
test_firmware: fix a memory leak bug
2019-08-16 10:13:55 +02:00
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 android-4.14.171 (998aa7d) into msm-4.14
2020-07-27 11:04:03 +05:30
test_kmod.c
lib/test: use after free in register_test_dev_kmod()
2022-04-20 09:08:21 +02:00
test_list_sort.c
lib: add module support to linked list sorting tests
2017-05-08 17:15:10 -07:00
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
lib: fix spelling mistake: "actualy" -> "actually"
2017-02-26 11:03:38 -05:00
test_printf.c
UPSTREAM: lib/test_printf.c: accept "ptrval" as valid result for plain 'p' tests
2022-06-28 17:38:20 +00:00
test_rhashtable.c
lib: test_rhashtable: Fix KASAN warning
2017-07-25 12:35:23 -07:00
test_siphash.c
siphash: implement HalfSipHash1-3 for hash tables
2017-01-09 13:58:57 -05:00
test_sort.c
Revert "lib/test_sort.c: make it explicitly non-modular"
2017-05-08 17:15:10 -07:00
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_sysctl: test against int proc_dointvec() array support
2017-07-12 16:26:00 -07:00
test_user_copy.c
lib: remove check for AVR32 arch in test_user_copy
2017-05-01 09:36:30 +02:00
test_uuid.c
uuid: fix incorrect uuid_equal conversion in test_uuid_test
2017-07-21 09:38:30 +02:00
test-kstrtox.c
…
test-string_helpers.c
…
textsearch.c
…
timerqueue.c
timerqueue: Document return values of timerqueue_add/del()
2022-06-30 14:12:22 +00:00
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
uuid: hoist uuid_is_null() helper from libnvdimm
2017-06-05 16:59:05 +02:00
vsprintf.c
Merge remote-tracking branch 'google/android-4.14-stable' into richelieu
2022-06-30 14:03:54 +00:00
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
lib: Add xxhash module
2017-08-15 09:02:07 -07:00