Ingo Molnar 9dcfe2c75b locking/refcounts: Change WARN() to WARN_ONCE() ...

Linus noticed that the new refcount.h APIs used WARN(), which would turn
into a dmesg DoS if it triggers frequently on some buggy driver.

So make sure we only warn once. These warnings are never supposed to happen,
so it's typically not a problem to lose subsequent warnings.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Elena Reshetova <elena.reshetova@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/CA+55aFzbYUTZ=oqZ2YgDjY0C2_n6ODhTfqj6V+m5xWmDxsuB0w@mail.gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

2017-03-01 09:25:55 +01:00

..

842

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial

2016-03-17 21:38:27 -07:00

fonts

lib/fonts/Kconfig: keep non-Sparc fonts listed together

2017-02-27 18:43:46 -08:00

lz4

lib/lz4: remove back-compat wrappers

2017-02-24 17:46:57 -08:00

lzo

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mpi

mpi: Fix NULL ptr dereference in mpi_powm() [ver #3]

2016-11-25 12:57:50 +11:00

raid6

lib/raid6: Add AVX2 optimized xor_syndrome functions

2016-11-07 15:08:20 -08:00

reed_solomon

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xz

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zlib_deflate

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zlib_inflate

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.gitignore

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argv_split.c

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asn1_decoder.c

Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

2016-05-17 09:33:39 -07:00

assoc_array.c

assoc_array: don't call compare_object() on a node

2016-04-06 14:06:48 +01:00

atomic64_test.c

lib: add module support to atomic64 tests

2017-02-24 17:46:57 -08:00

atomic64.c

locking/atomic: Implement atomic{,64,_long}_fetch_{add,sub,and,andnot,or,xor}{,_relaxed,_acquire,_release}()

2016-06-16 10:48:32 +02:00

audit.c

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bcd.c

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bch.c

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bitmap.c

lib/bitmap.c: enhance bitmap syntax

2016-10-11 15:06:30 -07:00

bitrev.c

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bsearch.c

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btree.c

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bug.c

lib/bug.c: use common WARN helper

2016-03-17 15:09:34 -07:00

build_OID_registry

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bust_spinlocks.c

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chacha20.c

random: replace non-blocking pool with a Chacha20-based CRNG

2016-07-03 00:57:23 -04:00

check_signature.c

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checksum.c

ipv4: Update parameters for csum_tcpudp_magic to their original types

2016-03-13 23:55:13 -04:00

clz_ctz.c

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clz_tab.c

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cmdline.c

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compat_audit.c

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cordic.c

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cpu_rmap.c

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cpumask.c

cpumask: Export cpumask_any_but()

2016-02-29 09:35:20 +01:00

crc7.c

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crc8.c

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crc16.c

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crc32.c

lib: add module support to crc32 tests

2017-02-24 17:46:57 -08:00

crc32defs.h

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crc32test.c

lib: add module support to crc32 tests

2017-02-24 17:46:57 -08:00

crc-ccitt.c

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crc-itu-t.c

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crc-t10dif.c

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ctype.c

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debug_info.c

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debug_locks.c

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debugobjects.c

debugobjects: Improve variable naming

2017-02-10 09:53:04 +01:00

dec_and_lock.c

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decompress_bunzip2.c

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decompress_inflate.c

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decompress_unlz4.c

lib/decompress_unlz4: change module to work with new LZ4 module version

2017-02-24 17:46:57 -08:00

decompress_unlzma.c

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decompress_unlzo.c

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decompress_unxz.c

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decompress.c

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devres.c

devres: use to_pci_dev()

2016-02-07 23:17:59 -08:00

digsig.c

lib/digsig: digsig_verify_rsa(): return -EINVAL if modulo length is zero

2016-05-31 16:42:00 +08:00

div64.c

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dma-debug.c

dma-debug: add comment for failed to check map error

2017-02-22 16:41:26 -08:00

dma-noop.c

lib/dma-noop: Clarify a comment

2017-01-24 12:23:35 -05:00

dma-virt.c

lib/dma-virt: Add dma_virt_ops

2017-01-24 12:23:35 -05:00

dump_stack.c

dump_stack: avoid potential deadlocks

2016-02-05 18:10:40 -08:00

dynamic_debug.c

dynamic_debug: add jump label support

2016-08-04 08:50:07 -04:00

dynamic_queue_limits.c

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earlycpio.c

lib/cpio: Make find_cpio_data()'s offset arg optional

2016-06-08 11:04:19 +02:00

extable.c

Replace <asm/uaccess.h> with <linux/uaccess.h> globally

2016-12-24 11:46:01 -08:00

fault-inject.c

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fdt_empty_tree.c

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fdt_ro.c

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fdt_rw.c

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fdt_strerror.c

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fdt_sw.c

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fdt_wip.c

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fdt.c

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find_bit.c

lib/find_bit.c: micro-optimise find_next_*_bit

2017-02-24 17:46:57 -08:00

flex_array.c

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flex_proportions.c

lib+mm: fix few spelling mistakes

2016-02-15 11:18:23 +01:00

gcd.c

lib/GCD.c: use binary GCD algorithm instead of Euclidean

2016-05-20 17:58:30 -07:00

gen_crc32table.c

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genalloc.c

lib/genalloc.c: start search from start of chunk

2016-10-27 18:43:43 -07:00

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

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hweight.c

x86/hweight: Get rid of the special calling convention

2016-06-08 15:01:02 +02:00

idr.c

idr: Add missing __rcu annotations

2017-02-13 21:44:10 -05:00

inflate.c

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int_sqrt.c

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interval_tree_test.c

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interval_tree.c

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iomap_copy.c

lib/iomap_copy.c: add __ioread32_copy()

2016-01-20 17:09:18 -08:00

iomap.c

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iommu-common.c

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iommu-helper.c

lib/iommu-helper: skip to next segment

2016-08-02 19:35:07 -04:00

ioremap.c

mm: do not export ioremap_page_range symbol for external module

2017-01-24 16:26:14 -08:00

iov_iter.c

fix a fencepost error in pipe_advance()

2017-01-14 19:50:41 -05:00

irq_poll.c

This adds a new gcc plugin named "latent_entropy". It is designed to

2016-10-15 10:03:15 -07:00

irq_regs.c

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is_single_threaded.c

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jedec_ddr_data.c

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kasprintf.c

lib/kasprintf.c: add sanity check to kvasprintf

2016-01-16 11:17:27 -08:00

Kconfig

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2017-02-28 10:00:39 -08:00

Kconfig.debug

Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2017-02-28 10:44:16 -08:00

Kconfig.kasan

mm, kasan: switch SLUB to stackdepot, enable memory quarantine for SLUB

2016-07-28 16:07:41 -07:00

Kconfig.kgdb

kgdb: depends on VT

2016-05-23 17:04:14 -07:00

Kconfig.kmemcheck

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Kconfig.ubsan

Kconfig: lib/Kconfig.ubsan fix reference to ubsan documentation

2016-12-14 16:04:08 -08:00

kfifo.c

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klist.c

klist: fix starting point removed bug in klist iterators

2016-02-07 22:18:47 -08:00

kobject_uevent.c

kobject: improve function-level documentation

2016-10-28 02:42:10 -04:00

kobject.c

kobject: export kset_find_obj() for module use

2016-02-09 17:36:34 -08:00

kstrtox.c

Replace <asm/uaccess.h> with <linux/uaccess.h> globally

2016-12-24 11:46:01 -08:00

kstrtox.h

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lcm.c

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libcrc32c.c

Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

2016-01-22 11:58:43 -08:00

list_debug.c

bug: switch data corruption check to __must_check

2017-02-24 17:46:56 -08:00

list_sort.c

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llist.c

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locking-selftest-hardirq.h

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locking-selftest-mutex.h

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locking-selftest-rlock-hardirq.h

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locking-selftest-rlock-softirq.h

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locking-selftest-rlock.h

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locking-selftest-rsem.h

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locking-selftest-softirq.h

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locking-selftest-spin-hardirq.h

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locking-selftest-spin-softirq.h

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locking-selftest-spin.h

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locking-selftest-wlock-hardirq.h

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locking-selftest-wlock-softirq.h

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locking-selftest-wlock.h

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locking-selftest-wsem.h

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locking-selftest.c

locking/selftest: Fix output since KERN_CONT changes

2016-11-25 07:12:19 +01:00

lockref.c

locking/core: Remove cpu_relax_lowlatency() users

2016-11-16 10:15:10 +01:00

lru_cache.c

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Makefile

Merge branch 'idr-4.11' of git://git.infradead.org/users/willy/linux-dax

2017-02-28 20:29:41 -08:00

md5.c

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memory-notifier-error-inject.c

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memweight.c

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net_utils.c

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netdev-notifier-error-inject.c

net: Add support for CHANGEUPPER notifier error injection

2015-12-03 11:49:23 -05:00

nlattr.c

netlink: smaller nla_attr_minlen table

2016-11-19 22:11:25 -05:00

nmi_backtrace.c

printk: rename nmi.c and exported api

2017-02-08 11:02:33 +01:00

nodemask.c

include/linux/nodemask.h: create next_node_in() helper

2016-05-19 19:12:14 -07:00

notifier-error-inject.c

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notifier-error-inject.h

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of-reconfig-notifier-error-inject.c

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oid_registry.c

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once.c

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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

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percpu_counter.c

percpu_counter: percpu_counter_hotcpu_callback() cleanup

2017-01-20 10:06:56 -05:00

percpu_ida.c

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percpu_test.c

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percpu-refcount.c

percpu-refcount: init ->confirm_switch member properly

2016-08-11 13:52:23 -04:00

plist.c

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pm-notifier-error-inject.c

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prime_numbers.c

lib/prime_numbers: Suppress warn on kmalloc failure

2017-01-23 09:17:12 +01:00

radix-tree.c

Merge branch 'idr-4.11' of git://git.infradead.org/users/willy/linux-dax

2017-02-28 20:29:41 -08:00

random32.c

This adds a new gcc plugin named "latent_entropy". It is designed to

2016-10-15 10:03:15 -07:00

ratelimit.c

ratelimit: extend to print suppressed messages on release

2016-08-02 19:35:06 -04:00

rational.c

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rbtree_test.c

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rbtree.c

rbtree: use designated initializers

2017-02-24 17:46:57 -08:00

reciprocal_div.c

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refcount.c

locking/refcounts: Change WARN() to WARN_ONCE()

2017-03-01 09:25:55 +01:00

rhashtable.c

rhashtable: Fix RCU dereference annotation in rht_bucket_nested

2017-02-26 21:33:43 -05:00

sbitmap.c

sbitmap: add helpers for dumping to a seq_file

2017-01-27 08:17:44 -07:00

scatterlist.c

scatterlist: do not disable IRQs in sg_copy_buffer

2017-02-27 18:43:46 -08:00

seq_buf.c

tracing: Use seq_buf_used() in seq_buf_to_user() instead of len

2015-12-23 14:27:20 -05:00

sg_pool.c

lib: scatterlist: move SG pool code from SCSI driver to lib/sg_pool.c

2016-04-15 16:53:14 -04:00

sg_split.c

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sha1.c

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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: implement HalfSipHash1-3 for hash tables

2017-01-09 13:58:57 -05:00

smp_processor_id.c

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sort.c

lib: add CONFIG_TEST_SORT to enable self-test of sort()

2017-02-24 17:46:57 -08:00

stackdepot.c

lib/stackdepot: export save/fetch stack for drivers

2016-11-11 08:12:37 -08:00

stmp_device.c

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string_helpers.c

string_helpers: add kstrdup_quotable_file

2016-04-21 10:47:26 +10:00

string.c

lib: move strtobool() to kstrtobool()

2016-03-17 15:09:34 -07:00

strncpy_from_user.c

lib: harden strncpy_from_user

2016-10-11 15:06:30 -07:00

strnlen_user.c

unsafe_[get|put]_user: change interface to use a error target label

2016-08-08 13:02:01 -07:00

swiotlb.c

swiotlb: ensure that page-sized mappings are page-aligned

2017-01-15 12:37:24 -05:00

syscall.c

lib/syscall: Pin the task stack in collect_syscall()

2016-09-16 09:18:53 +02:00

test_bitmap.c

test_bitmap: unit tests for lib/bitmap.c

2016-02-19 22:54:09 -05:00

test_bpf.c

bpf, test: fix ld_abs + vlan push/pop stress test

2016-10-20 14:39:06 -04:00

test_firmware.c

test_firmware: add test custom fallback trigger

2017-01-25 11:52:34 +01:00

test_hash.c

lib/test_hash.c: fix warning in preprocessor symbol evaluation

2016-09-01 17:52:01 -07:00

test_hexdump.c

test_hexdump: print statistics at the end

2016-01-20 17:09:18 -08:00

test_kasan.c

kasan: add memcg kmem_cache test

2017-02-24 17:46:56 -08:00

test_module.c

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test_parman.c

lib: fix spelling mistake: "actualy" -> "actually"

2017-02-26 11:03:38 -05:00

test_printf.c

mm, printk: introduce new format string for flags

2016-03-15 16:55:16 -07:00

test_rhashtable.c

rhashtable-test: Fix max_size parameter description

2016-08-08 12:52:42 -07:00

test_siphash.c

siphash: implement HalfSipHash1-3 for hash tables

2017-01-09 13:58:57 -05:00

test_sort.c

lib/test_sort.c: make it explicitly non-modular

2017-02-24 17:46:57 -08:00

test_static_key_base.c

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test_static_keys.c

locking/static_keys: Avoid nested functions

2016-02-09 10:27:29 +01:00

test_user_copy.c

usercopy: ARM NOMMU has no 64-bit get_user

2017-02-22 11:24:08 -08:00

test_uuid.c

lib/uuid: add a test module

2016-05-30 15:26:57 -07:00

test-kstrtox.c

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test-string_helpers.c

lib/test-string_helpers.c: fix and improve string_get_size() tests

2016-02-03 08:28:43 -08:00

textsearch.c

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timerqueue.c

timerqueue: Use rb_entry_safe() instead of open-coding it

2017-01-20 08:03:42 +01:00

ts_bm.c

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ts_fsm.c

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ts_kmp.c

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ubsan.c

UBSAN: fix typo in format string

2016-08-02 17:31:41 -04:00

ubsan.h

UBSAN: run-time undefined behavior sanity checker

2016-01-20 17:09:18 -08:00

ucs2_string.c

lib/ucs2_string: Speed up ucs2_utf8size()

2016-09-09 16:08:46 +01:00

uuid.c

lib/uuid.c: use correct offset in uuid parser

2016-05-30 15:26:57 -07:00

vsprintf.c

lib/vsprintf.c: remove %Z support

2017-02-27 18:43:47 -08:00

win_minmax.c

lib/win_minmax: windowed min or max estimator

2016-09-21 00:22:59 -04:00