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Mark Salyzyn e5016f919d FROMLIST: [PATCH v5 09/12] arm: vdso: move vgettimeofday.c to lib/vdso/ 
(cherry pick from url https://patchwork.kernel.org/patch/10044497/)

Take an effort to recode the arm64 vdso code from assembler to C
previously submitted by Andrew Pinski <apinski@cavium.com>, rework
it for use in both arm and arm64, overlapping any optimizations
for each architecture. But instead of landing it in arm64, land the
result into lib/vdso and unify both implementations to simplify
future maintenance.

Declare arch/arm/vdso/vgettimeofday.c to be a candidate for a global
implementation of the vdso timer calls.  The hope is that new
architectures can take advantage of the current unification of
arm and arm64 implementations.

We urge future efforts to merge their implementations into the
global vgettimeofday.c file and thus provide functional parity.

Signed-off-by: Mark Salyzyn <salyzyn@android.com>
Cc: James Morse <james.morse@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dmitry Safonov <dsafonov@virtuozzo.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Andy Gross <andy.gross@linaro.org>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Andrew Pinski <apinski@cavium.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Bug: 63737556
Bug: 20045882
Change-Id: If7da1d8144684d52ed9520a581e6023c623df931
2020-11-03 21:30:42 +01:00
..
842 crypto: 842 - Add CRC and validation support 2015-10-14 22:23:17 +08:00
fonts fonts: Add 6x10 font 2014-10-09 11:35:48 +03:00
lz4 Revert "Merge remote-tracking branch 'msm-4.4/tmp-510d0a3f' into msm-4.4" 2016-08-26 14:34:05 -07:00
lzo lzo: check for length overrun in variable length encoding. 2014-09-28 11:08:01 +02:00
mpi lib/mpi: Fix karactx leak in mpi_powm 2019-07-10 09:56:43 +02:00
raid6 ARM: 8833/1: Ensure that NEON code always compiles with Clang 2019-04-27 09:33:51 +02:00
reed_solomon rslib: Fix handling of of caller provided syndrome 2019-08-04 09:34:48 +02:00
vdso FROMLIST: [PATCH v5 09/12] arm: vdso: move vgettimeofday.c to lib/vdso/ 2020-11-03 21:30:42 +01:00
xz lib/xz: enable all filters by default in Kconfig 2014-06-04 16:54:18 -07:00
zlib_deflate zlib_deflate/deftree: remove bi_reverse() 2015-09-10 13:29:01 -07:00
zlib_inflate zlib: clean up some dead code 2014-08-06 18:01:24 -07:00
zstd UPSTREAM: lib: Add zstd modules 2018-08-23 12:00:19 -07:00
.gitignore
argv_split.c
asn1_decoder.c ASN.1: check for error from ASN1_OP_END__ACT actions 2017-12-16 10:33:48 +01:00
assoc_array.c assoc_array: Fix shortcut creation 2019-03-23 08:44:33 +01:00
atomic64.c atomic: Provide atomic_{or,xor,and} 2015-07-27 14:06:24 +02:00
atomic64_test.c x86/cpufeature: Carve out X86_FEATURE_* 2018-07-17 11:31:44 +02:00
audit.c syscalls: implement execveat() system call 2014-12-13 12:42:51 -08:00
bcd.c
bch.c
bitmap.c lib/bitmap.c: bitmap_parselist can accept string with whitespaces on head or tail 2015-09-10 13:29:01 -07:00
bitrev.c ARM: 8187/1: add CONFIG_HAVE_ARCH_BITREVERSE to support rbit instruction 2014-12-22 16:43:06 +00:00
bsearch.c kprobes: Prohibit probing on bsearch() 2019-04-27 09:33:51 +02:00
btree.c treewide: Remove old email address 2015-11-23 09:44:58 +01:00
bug.c module: Sanitize RCU usage and locking 2015-05-28 11:31:52 +09:30
build_OID_registry
bust_spinlocks.c
check_signature.c
checksum.c lib/checksum.c: fix build for generic csum_tcpudp_nofold 2015-01-29 11:57:38 -08:00
clz_ctz.c lib/clz_ctz.c: add prototype declarations in lib/clz_ctz.c 2014-04-03 16:21:12 -07:00
clz_tab.c
cmdline.c lib/cmdline.c: fix get_options() overflow while parsing ranges 2017-06-29 12:48:51 +02:00
compat_audit.c audit: Add generic compat syscall support 2014-03-20 10:11:35 -04:00
cordic.c
cpu-notifier-error-inject.c
cpu_rmap.c sched/topology: Rename topology_thread_cpumask() to topology_sibling_cpumask() 2015-05-27 15:22:15 +02:00
cpumask.c revert "cpumask: don't perform while loop in cpumask_next_and()" 2015-06-18 17:00:23 -10:00
crc-ccitt.c
crc-itu-t.c lib: crc-itu-t.[ch] fix 0x0x prefix in integer constants 2015-05-26 15:26:43 +02:00
crc-t10dif.c lib: introduce crc_t10dif_update() 2015-05-30 22:42:24 -07:00
crc7.c lib/crc7: Shift crc7() output left 1 bit 2014-05-16 14:26:52 -04:00
crc8.c
crc16.c
crc32.c lib: crc32: Add some additional __pure annotations 2014-06-25 16:04:00 -07:00
crc32defs.h
ctype.c
debug_info.c kbuild: include core debug info when DEBUG_INFO_REDUCED 2015-06-11 15:08:32 +02:00
debug_locks.c locking/lockdep: Fix debug_locks off performance problem 2018-11-21 09:27:31 +01:00
debugobjects.c Merge android-4.4.168 (66a37fc) into msm-4.4 2018-12-21 13:04:50 +05:30
dec_and_lock.c
decompress.c lib/decompress: set the compressor name to NULL on error 2015-07-17 16:39:54 -07:00
decompress_bunzip2.c lib/decompressors: use real out buf size for gunzip with kernel 2015-09-10 13:29:01 -07:00
decompress_inflate.c lib/decompressors: use real out buf size for gunzip with kernel 2015-09-10 13:29:01 -07:00
decompress_unlz4.c lib/decompressors: use real out buf size for gunzip with kernel 2015-09-10 13:29:01 -07:00
decompress_unlzma.c lib/decompress_unlzma: Do a NULL check for pointer 2015-09-10 13:29:01 -07:00
decompress_unlzo.c lib/decompressors: use real out buf size for gunzip with kernel 2015-09-10 13:29:01 -07:00
decompress_unxz.c lib/decompressors: use real out buf size for gunzip with kernel 2015-09-10 13:29:01 -07:00
devres.c devres: fix a for loop bounds check 2015-10-05 04:49:54 +01:00
digsig.c lib/digsig: fix dereference of NULL user_key_payload 2017-10-27 10:23:17 +02:00
div64.c lib/div64.c: off by one in shift 2019-04-27 09:33:59 +02:00
dma-debug.c dma-debug: avoid spinlock recursion when disabling dma-debug 2016-06-07 18:14:37 -07:00
dump_stack.c dump_stack: avoid the livelock of the dump_lock 2019-11-12 19:13:19 +01:00
dynamic_debug.c dynamic-debug-howto: fix optional/omitted ending line number to be LARGE instead of 0 2017-12-16 10:33:54 +01:00
dynamic_queue_limits.c lib/dynamic_queue_limits.c: simplify includes 2015-02-12 18:54:15 -08:00
earlycpio.c
extable.c UPSTREAM: extable: add support for relative extables to search and sort routines 2016-09-22 13:38:22 -07:00
fault-inject.c fault-inject: fix inverted interval/probability values in printk 2015-10-23 17:55:10 +09:00
fdt.c
fdt_empty_tree.c lib: add fdt_empty_tree.c 2014-04-30 19:49:37 +01:00
fdt_ro.c
fdt_rw.c
fdt_strerror.c
fdt_sw.c
fdt_wip.c
find_bit.c lib: rename lib/find_next_bit.c to lib/find_bit.c 2015-04-17 09:03:54 -04:00
flex_array.c reciprocal_divide: update/correction of the algorithm 2014-01-21 23:17:20 -08:00
flex_proportions.c proportions: add @gfp to init functions 2014-09-08 09:51:30 +09:00
gcd.c
gen_crc32table.c lib: crc32: constify crc32 lookup table 2015-02-13 21:21:35 -08:00
genalloc.c lib/genalloc.c: make the avail variable an atomic_long_t 2017-12-16 10:33:54 +01:00
glob.c lib/glob.c: add CONFIG_GLOB_SELFTEST 2014-08-06 18:01:25 -07:00
halfmd4.c lib/halfmd4.c: use rol32 inline function in the ROUND macro 2015-11-06 17:50:42 -08:00
hash.c Revert "net, lib: kill arch_fast_hash library bits" 2016-03-22 11:09:36 -07:00
hexdump.c lib/hexdump.c: truncate output in case of overflow 2015-11-06 17:50:42 -08:00
hweight.c x86/hweight: Get rid of the special calling convention 2018-04-24 09:32:04 +02:00
idr.c mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd 2015-11-06 17:50:42 -08:00
inflate.c
int_sqrt.c lib/int_sqrt: optimize initial value compute 2019-04-27 09:33:47 +02:00
interval_tree.c lib/interval_tree.c: simplify includes 2015-02-12 18:54:15 -08:00
interval_tree_test.c lib/interval_tree_test.c: allow users to limit scope of endpoint 2018-12-21 14:09:49 +01:00
iomap.c lib: iomap: Add MSM RTB support 2016-03-01 12:22:26 -08:00
iomap_copy.c
iommu-common.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc 2015-11-05 16:34:48 -08:00
iommu-helper.c
ioremap.c ioremap: Update pgtable free interfaces with addr 2018-08-17 20:56:45 +02:00
iov_iter.c fix iov_iter_fault_in_readable() 2016-09-24 10:07:43 +02:00
irq_regs.c
is_single_threaded.c lib/is_single_threaded.c: change current_is_single_threaded() to use for_each_thread() 2015-11-06 17:50:42 -08:00
jedec_ddr_data.c
kasprintf.c lib/kasprintf.c: introduce kvasprintf_const 2015-11-06 17:50:42 -08:00
Kconfig Merge android-4.4.153 (5e24b4e) into msm-4.4 2018-08-28 17:28:39 +05:30
Kconfig.debug Merge android-4.4-p.196 (736005d) into msm-4.4 2019-10-30 16:36:42 +05:30
Kconfig.kasan Merge android-4.4.106 (2fea039) into msm-4.4 2018-01-18 12:45:07 +05:30
Kconfig.kgdb kdb: Allow access to sensitive commands to be restricted by default 2014-11-11 09:31:52 -06:00
Kconfig.kmemcheck
Kconfig.ubsan UBSAN: run-time undefined behavior sanity checker 2016-03-22 11:09:57 -07:00
kfifo.c kfifo: use BUG_ON 2014-08-08 15:57:25 -07:00
klist.c scsi: klist: Make it safe to use klists in atomic context 2018-10-10 08:52:05 +02:00
kobject.c kobject: Replace strncpy with memcpy 2018-12-13 09:21:28 +01:00
kobject_uevent.c lib/kobject_uevent.c: remove redundant include 2015-02-12 18:54:15 -08:00
kstrtox.c lib: add "on"/"off" support to kstrtobool 2016-10-28 03:01:31 -04:00
kstrtox.h
lcm.c block: fix blk_stack_limits() regression due to lcm() change 2015-03-31 09:45:50 -06:00
libcrc32c.c crypto: Work around deallocated stack frame reference gcc bug on sparc. 2017-10-12 09:35:25 -07:00
list_debug.c Merge android-4.4.158 (f9e4134) into msm-4.4 2018-09-28 12:18:14 +05:30
list_sort.c lib/list_sort: use late_initcall to hook in self tests 2015-06-16 14:12:35 -04:00
llist.c lib/llist.c: fix data race in llist_del_first 2015-11-06 17:50:42 -08:00
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-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 locking/lockdep: Revert qrwlock recusive stuff 2014-10-03 06:09:30 +02:00
lockref.c locking/lockref: Remove homebrew cmpxchg64_relaxed() macro definition 2015-08-12 11:59:04 +02:00
lru_cache.c lru_cache: remove use of seq_printf return value 2015-04-15 16:35:25 -07:00
Makefile Merge android-4.4.191 (6da3fbc) into msm-4.4 2019-09-09 11:30:20 +05:30
md5.c lib/md5.c: simplify include 2015-02-12 18:54:15 -08:00
memory-notifier-error-inject.c
memweight.c
net_utils.c mac_pton: Use bool not int return 2014-06-25 17:45:43 -07:00
nlattr.c netlink: pad nla_memcpy dest buffer with zeroes 2015-03-31 14:07:24 -04:00
nmi_backtrace.c ARM: 8439/1: Fix backtrace generation when IPI is masked 2015-10-03 16:40:51 +01:00
notifier-error-inject.c
notifier-error-inject.h
of-reconfig-notifier-error-inject.c
oid_registry.c 509: fix printing uninitialized stack memory when OID is empty 2018-02-25 11:03:40 +01:00
once.c once: make helper generic for calling functions once 2015-10-08 05:26:36 -07:00
parser.c lib/parser.c: put EXPORT_SYMBOLs in the conventional place 2014-01-23 16:36:55 -08:00
pci_iomap.c libnvdimm for 4.3: 2015-09-08 14:35:59 -07:00
percpu-refcount.c percpu_ref: make INIT_ATOMIC and switch_to_atomic() sticky 2014-09-24 13:31:50 -04:00
percpu_counter.c percpu_counter: batch size aware __percpu_counter_compare() 2015-05-29 07:39:34 +10:00
percpu_ida.c mm, page_alloc: rename __GFP_WAIT to __GFP_RECLAIM 2015-11-06 17:50:42 -08:00
percpu_test.c percpu: add test module for various percpu operations 2013-11-13 12:09:11 +09:00
plist.c lib/plist.c: remove redundant include 2015-02-12 18:54:16 -08:00
pm-notifier-error-inject.c
proportions.c treewide: Remove old email address 2015-11-23 09:44:58 +01:00
qmi_encdec.c soc: qcom: qmi_encdec: Restrict string length in decode 2019-03-05 03:51:54 -08:00
qmi_encdec_priv.h soc: qcom: Add snapshot of QMI 2016-03-22 11:08:08 -07:00
radix-tree.c radix-tree: add radix_tree_gang_lookup_index 2016-03-23 21:15:18 -07:00
random32.c random32: add prandom_init_once helper for own rngs 2015-10-08 05:26:38 -07:00
ratelimit.c
rational.c
rbtree.c rbtree: Make lockless searches non-fatal 2015-05-28 11:32:04 +09:30
rbtree_test.c lib/rbtree-test: lower default params 2018-12-21 14:09:49 +01:00
reciprocal_div.c reciprocal_divide: update/correction of the algorithm 2014-01-21 23:17:20 -08:00
rhashtable.c rhashtable: add schedule points 2019-02-08 11:25:31 +01:00
scatterlist.c lib/scatterlist: Fix mapping iterator when sg->offset is greater than PAGE_SIZE 2019-08-04 09:34:50 +02:00
seq_buf.c seq_buf: Make seq_buf_puts() null-terminate the buffer 2019-02-20 10:13:12 +01:00
sg_split.c lib: scatterlist: add sg splitting function 2015-08-24 14:28:01 -06:00
sha1.c lib: EXPORT_SYMBOL sha_init 2015-03-23 22:12:08 -04:00
show_mem.c lib/show_mem.c: correct reserved memory calculation 2015-09-08 15:35:28 -07:00
siphash.c siphash: implement HalfSipHash1-3 for hash tables 2019-09-06 10:18:13 +02:00
smp_processor_id.c percpu: add preemption checks to __this_cpu ops 2014-04-07 16:36:14 -07:00
sort.c lib/sort: Add 64 bit swap function 2015-06-25 17:00:40 -07:00
stackdepot.c Merge android-4.4.106 (2fea039) into msm-4.4 2018-01-18 12:45:07 +05:30
stmp_device.c lib/stmp_device.c: replace module.h include 2015-02-12 18:54:16 -08:00
string.c lib/string.c: implement a basic bcmp 2019-04-27 09:33:54 +02:00
string_helpers.c string_helpers: fix precision loss for some inputs 2016-02-25 12:01:21 -08:00
strncpy_from_user.c Merge android-4.4.181 (bd858d7) into msm-4.4 2019-06-12 13:53:42 +05:30
strnlen_user.c This is the 4.4.181 stable release 2019-06-11 14:23:58 +02:00
swiotlb.c swiotlb: clean up reporting 2018-12-17 21:55:16 +01:00
syscall.c lib/syscall.c: unexport task_current_syscall() 2014-04-03 16:21:06 -07:00
test-hexdump.c test_hexdump: use memcpy instead of strncpy 2019-02-20 10:13:14 +01:00
test-kstrtox.c kstrto*: accept "-0" for signed conversion 2015-09-10 13:29:01 -07:00
test-string_helpers.c Revert "Merge remote-tracking branch 'msm-4.4/tmp-510d0a3f' into msm-4.4" 2016-08-26 14:34:05 -07:00
test_bpf.c bpf: fix selftests/bpf test_kmod.sh failure when CONFIG_BPF_JIT_ALWAYS_ON=y 2018-05-30 07:48:56 +02:00
test_firmware.c test: firmware_class: report errors properly on failure 2017-11-15 17:13:13 +01:00
test_kasan.c BACKPORT: kasan: report only the first error by default 2017-12-14 08:25:14 -08:00
test_module.c test: add minimal module for verification testing 2014-01-23 16:36:57 -08:00
test_printf.c test_printf: test printf family at runtime 2015-11-06 17:50:42 -08:00
test_rhashtable.c rhashtable-test: extend to test concurrency 2015-08-17 14:33:47 -07:00
test_siphash.c siphash: implement HalfSipHash1-3 for hash tables 2019-09-06 10:18:13 +02:00
test_static_key_base.c locking/static_keys: Provide a selftest 2015-08-03 11:51:12 +02:00
test_static_keys.c locking/static_keys: Make verify_keys() static 2015-08-05 09:53:40 +02:00
test_user_copy.c usercopy: Adjust tests to deal with SMAP/PAN 2017-06-14 13:16:27 +02:00
textsearch.c lib/textsearch.c: remove textsearch_put reference from comments 2014-10-14 02:18:14 +02:00
timerqueue.c timerqueue: Let timerqueue_add/del return information 2015-04-22 17:06:49 +02:00
ts_bm.c
ts_fsm.c
ts_kmp.c
ubsan.c UBSAN: run-time undefined behavior sanity checker 2016-03-22 11:09:57 -07:00
ubsan.h UBSAN: run-time undefined behavior sanity checker 2016-03-22 11:09:57 -07:00
ucs2_string.c lib/ucs2_string: Correct ucs2 -> utf8 conversion 2016-03-03 15:07:09 -08:00
usercopy.c
uuid.c
vsprintf.c lib/vsprintf: Remove atomic-unsafe support for %pCr 2018-07-03 11:21:27 +02:00
xxhash.c UPSTREAM: lib: Add xxhash module 2018-08-23 12:00:19 -07:00