kernel_optimize_test/lib
Thomas Gleixner 126f21f0e8 lib/smp_processor_id: Move it into noinstr section
That code is already not traceable. Move it into the noinstr section so the
objtool section validation does not trigger.

Annotate the warning code as "safe". While it might be not under all
circumstances, getting the information out is important enough.

Should this ever trigger from the sensitive code which is shielded against
instrumentation, e.g. low level entry, then the printk is the least of the
worries.

Addresses the objtool warnings:
 vmlinux.o: warning: objtool: context_tracking_recursion_enter()+0x7: call to __this_cpu_preempt_check() leaves .noinstr.text section
 vmlinux.o: warning: objtool: __context_tracking_exit()+0x17: call to __this_cpu_preempt_check() leaves .noinstr.text section
 vmlinux.o: warning: objtool: __context_tracking_enter()+0x2a: call to __this_cpu_preempt_check() leaves .noinstr.text section

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200505134340.902709267@linutronix.de
2020-06-11 15:14:36 +02:00
..
842
crypto crypto: lib/sha1 - remove unnecessary includes of linux/cryptohash.h 2020-05-08 15:32:17 +10:00
dim
fonts
kunit kunit: default KUNIT_* fragments to KUNIT_ALL_TESTS 2020-06-01 14:23:25 -06:00
livepatch
lz4
lzo
math linux-kselftest-5.8-rc1 2020-06-09 10:03:12 -07:00
mpi Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2020-06-01 12:00:10 -07:00
raid6 x86: update AS_* macros to binutils >=2.23, supporting ADX and AVX2 2020-04-09 00:12:48 +09:00
reed_solomon
vdso
xz
zlib_deflate
zlib_dfltcc
zlib_inflate lib/zlib: remove outdated and incorrect pre-increment optimization 2020-06-04 19:06:25 -07:00
zstd
.gitignore
argv_split.c
ashldi3.c
ashrdi3.c
asn1_decoder.c
assoc_array.c
atomic64_test.c
atomic64.c
audit.c
bcd.c
bch.c lib/bch: Allow easy bit swapping 2020-05-24 20:48:11 +02:00
bitmap.c lib: bitmap.c: get rid of some doc warnings 2020-04-20 15:45:41 -06:00
bitrev.c
bootconfig.c
bsearch.c
btree.c
bucket_locks.c
bug.c ftrace,bug: Improve traceoff_on_warn 2020-06-01 08:23:42 -04:00
build_OID_registry
bust_spinlocks.c
check_signature.c
checksum.c take the dummy csum_and_copy_from_user() into net/checksum.h 2020-05-29 16:11:50 -04:00
clz_ctz.c
clz_tab.c
cmdline.c
cmpdi2.c
compat_audit.c
cpu_rmap.c
cpumask.c
crc-ccitt.c
crc-itu-t.c
crc-t10dif.c
crc4.c
crc7.c
crc8.c
crc16.c
crc32.c
crc32defs.h
crc32test.c
crc64.c
ctype.c
debug_info.c
debug_locks.c lockdep: Prepare for noinstr sections 2020-05-19 15:47:21 +02:00
debugobjects.c
dec_and_lock.c
decompress_bunzip2.c
decompress_inflate.c
decompress_unlz4.c
decompress_unlzma.c
decompress_unlzo.c
decompress_unxz.c
decompress.c
devres.c
digsig.c
dump_stack.c kernel: rename show_stack_loglvl() => show_stack() 2020-06-09 09:39:13 -07:00
dynamic_debug.c dynamic_debug: add an option to enable dynamic debug for modules only 2020-06-08 11:05:56 -07:00
dynamic_queue_limits.c
earlycpio.c
errname.c
error-inject.c
errseq.c
extable.c
fault-inject.c fault_inject: Don't rely on "return value" from WRITE_ONCE() 2020-04-15 21:36:41 +01:00
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
find_bit.c
flex_proportions.c lib/flex_proportions.c: cleanup __fprop_inc_percpu_max 2020-06-04 19:06:25 -07:00
gen_crc32table.c
gen_crc64table.c
genalloc.c
generic-radix-tree.c
glob.c
globtest.c
hexdump.c
hweight.c
idr.c
inflate.c
interval_tree_test.c
interval_tree.c
iomap_copy.c
iomap.c
iommu-helper.c
ioremap.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
iov_iter.c
irq_poll.c
irq_regs.c
is_single_threaded.c
kasprintf.c
Kconfig A fair amount of stuff this time around, dominated by yet another massive 2020-06-01 15:45:27 -07:00
Kconfig.debug linux-kselftest-kunit-5.8-rc1 2020-06-09 10:04:47 -07:00
Kconfig.kasan
Kconfig.kgdb kgdb: Delay "kgdbwait" to dbg_late_init() by default 2020-05-18 17:49:27 +01:00
Kconfig.ubsan ubsan: entirely disable alignment checks under UBSAN_TRAP 2020-06-02 10:59:12 -07:00
kfifo.c
klist.c
kobject_uevent.c
kobject.c Driver core patches for 5.8-rc1 2020-06-07 10:53:36 -07:00
kstrtox.c
kstrtox.h
libcrc32c.c
linear_ranges.c lib: linear_ranges: Add missing MODULE_LICENSE() 2020-05-11 11:55:28 +01:00
list_debug.c
list_sort.c
list-test.c
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
lockref.c
logic_pio.c logic_pio: Use _inX() and _outX() 2020-05-07 14:54:26 +08:00
lru_cache.c
lshrdi3.c
Makefile dynamic_debug: add an option to enable dynamic debug for modules only 2020-06-08 11:05:56 -07:00
memcat_p.c
memory-notifier-error-inject.c
memregion.c
memweight.c
muldi3.c
net_utils.c
netdev-notifier-error-inject.c
nlattr.c netlink: factor out policy range helpers 2020-04-30 17:51:42 -07:00
nmi_backtrace.c
nodemask.c
notifier-error-inject.c
notifier-error-inject.h
objagg.c
of-reconfig-notifier-error-inject.c
oid_registry.c
once.c
packing.c
parman.c
parser.c
pci_iomap.c
percpu_counter.c
percpu_test.c
percpu-refcount.c lib/percpu-refcount.c: use a more common logging style 2020-06-04 19:06:25 -07:00
plist.c
pm-notifier-error-inject.c
radix-tree.c radix-tree: Use local_lock for protection 2020-05-28 10:31:09 +02:00
random32.c
ratelimit.c
rbtree_test.c
rbtree.c lib/rbtree: fix coding style of assignments 2020-04-07 10:43:43 -07:00
refcount.c
rhashtable.c rhashtable: Drop raw RCU deref in nested_table_free 2020-06-06 15:51:17 -07:00
sbitmap.c
scatterlist.c lib/scatterlist: fix sg_copy_buffer() kerneldoc 2020-04-07 10:43:43 -07:00
seq_buf.c
sg_pool.c
sg_split.c
sha1.c crypto: lib/sha1 - fold linux/cryptohash.h into crypto/sha.h 2020-05-08 15:32:17 +10:00
show_mem.c
siphash.c
smp_processor_id.c lib/smp_processor_id: Move it into noinstr section 2020-06-11 15:14:36 +02:00
sort.c
stackdepot.c kasan: stackdepot: move filter_irq_stacks() to stackdepot.c 2020-04-07 10:43:43 -07:00
stmp_device.c
string_helpers.c
string.c
strncpy_from_user.c lib: Add might_fault() to strncpy_from_user. 2020-06-04 19:06:25 -07:00
strnlen_user.c uaccess: Selectively open read or write user access 2020-05-01 12:35:21 +10:00
syscall.c
test_bitfield.c
test_bitmap.c lib/test_bitmap.c: make use of EXP2_IN_BITS 2020-04-07 10:43:43 -07:00
test_bitops.c lib: make a test module with set/clear bit 2020-06-04 19:06:25 -07:00
test_blackhole_dev.c
test_bpf.c
test_debug_virtual.c
test_firmware.c test_firmware: remove unnecessary test_fw_mutex in test_dev_config_show_xxx 2020-04-17 09:59:39 +02:00
test_hash.c
test_hexdump.c
test_hmm_uapi.h mm/hmm/test: add selftest driver for HMM 2020-05-19 16:48:30 -03:00
test_hmm.c mmap locking API: convert mmap_sem call sites missed by coccinelle 2020-06-09 09:39:14 -07:00
test_ida.c
test_kasan.c kasan: stop tests being eliminated as dead code with FORTIFY_SOURCE 2020-06-03 20:09:42 -07:00
test_kmod.c lib/test_kmod.c: remove a NULL test 2020-04-07 10:43:43 -07:00
test_linear_ranges.c lib/test_linear_ranges: add a test for the 'linear_ranges' 2020-05-08 18:18:12 +01:00
test_list_sort.c
test_lockup.c mmap locking API: convert mmap_sem comments 2020-06-09 09:39:14 -07:00
test_memcat_p.c
test_meminit.c
test_min_heap.c
test_module.c
test_objagg.c
test_overflow.c
test_parman.c
test_printf.c Driver core patches for 5.8-rc1 2020-06-07 10:53:36 -07:00
test_rhashtable.c
test_siphash.c
test_sort.c
test_stackinit.c lib: test_stackinit.c: XFAIL switch variable init tests 2020-04-07 10:43:43 -07:00
test_static_key_base.c
test_static_keys.c
test_string.c
test_strscpy.c
test_sysctl.c linux-kselftest-5.8-rc1 2020-06-09 10:03:12 -07:00
test_ubsan.c
test_user_copy.c
test_uuid.c
test_vmalloc.c mm: switch the test_vmalloc module to use __vmalloc_node 2020-06-02 10:59:11 -07:00
test_xarray.c
test-kstrtox.c
test-string_helpers.c
textsearch.c
timerqueue.c
ts_bm.c lib/ts_bm.c: replace zero-length array with flexible-array member 2020-04-07 10:43:42 -07:00
ts_fsm.c lib/ts_fsm.c: replace zero-length array with flexible-array member 2020-04-07 10:43:43 -07:00
ts_kmp.c lib/ts_kmp.c: replace zero-length array with flexible-array member 2020-04-07 10:43:43 -07:00
ubsan.c lib/ubsan.c: fix gcc-10 warnings 2020-06-04 19:06:28 -07:00
ubsan.h
ucmpdi2.c
ucs2_string.c
usercopy.c uaccess: Selectively open read or write user access 2020-05-01 12:35:21 +10:00
uuid.c
vsprintf.c Printk changes for 5.8 2020-06-01 12:13:30 -07:00
win_minmax.c
xarray.c
xxhash.c