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Joe Perches 481aea5c59 checkpatch: whine about ACCESS_ONCE 
Add a test for use of ACCESS_ONCE that could be written using READ_ONCE or
WRITE_ONCE.

--fix it too if desired.

The WRITE_ONCE fixes are less correct than the coccinelle script below as
checkpatch cannot have a completely correct "expression" mechanism because
checkpatch works on patches and not complete files.

$ cat access_once.cocci
@@
expression e1;
expression e2;
@@

-       ACCESS_ONCE(e1) = e2
+       WRITE_ONCE(e1, e2)

@@
expression e1;
@@

-       ACCESS_ONCE(e1)
+       READ_ONCE(e1)

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-05-20 17:58:30 -07:00
..
basic
kbuild: fixdep: Check fstat(2) return value
2016-02-17 22:52:04 +01:00
coccinelle
Coccinelle: Add api/setup_timer.cocci
2016-02-18 22:17:30 +01:00
dtc
scripts/dtc: Update to upstream commit b06e55c88b9b
2016-02-11 19:45:09 -06:00
gdb
scripts/gdb: account for changes in module data structure
2016-03-22 15:36:02 -07:00
genksyms
genksyms: Handle string literals with spaces in reference files
2015-12-09 15:19:23 +01:00
kconfig
localmodconfig: Fix whitespace repeat count after "tristate"
2016-04-26 18:35:16 -04:00
ksymoops
…
mod
modpost: fix module autoloading for OF devices with generic compatible property
2016-05-05 17:38:53 -07:00
package
kbuild/mkspec: clean boot loader configuration on rpm removal
2016-03-04 22:59:09 +01:00
selinux
selinux: explicitly declare the role "base_r"
2015-07-13 13:32:00 -04:00
tracing
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
.gitignore
KEYS: Reserve an extra certificate symbol for inserting without recompiling
2016-02-26 15:30:20 +00:00
analyze_suspend.py
PM / tools: analyze_suspend.py: update to v3.0
2014-08-09 02:47:58 +02:00
asn1_compiler.c
ASN.1: fix open failure check on headername
2016-04-06 14:06:48 +01:00
bloat-o-meter
scripts/bloat-o-meter: print percent change
2016-05-19 19:12:14 -07:00
bootgraph.pl
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
check_extable.sh
scripts: add check_extable.sh script.
2015-04-13 21:03:02 +09:30
check-lc_ctype.c
DocBook: Use a fixed encoding for output
2015-09-28 01:31:48 -06:00
checkincludes.pl
checkincludes: fix perlcritic warnings
2010-03-07 21:19:57 +01:00
checkkconfigsymbols.py
checkkconfigsymbols.py: find similar symbols
2015-12-14 10:54:23 -08:00
checkpatch.pl
checkpatch: whine about ACCESS_ONCE
2016-05-20 17:58:30 -07:00
checkstack.pl
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2014-10-07 21:16:26 -04:00
checksyscalls.sh
x86/asm/entry: Move the arch/x86/syscalls/ definitions to arch/x86/entry/syscalls/
2015-06-04 07:37:37 +02:00
checkversion.pl
kbuild: don't warn about include/linux/version.h not including itself
2011-04-29 15:38:55 +02:00
cleanfile
…
cleanpatch
…
coccicheck
Coccinelle: fix incorrect -include option transformation
2015-10-26 21:32:09 +01:00
config
kbuild: trivial - remove trailing empty lines
2014-06-10 00:04:06 +02:00
conmakehash.c
kbuild: trivial - remove trailing spaces
2014-04-30 17:34:32 +02:00
decode_stacktrace.sh
scripts/decode_stacktrace.sh: handle symbols in modules
2016-05-19 19:12:14 -07:00
decodecode
scripts/decodecode: make faulting insn ptr more robust
2013-04-29 15:54:27 -07:00
depmod.sh
depmod: pass -P $CONFIG_SYMBOL_PREFIX
2013-02-22 11:52:31 +01:00
diffconfig
vfs,ext2: remove CONFIG_EXT2_FS_XIP and rename CONFIG_FS_XIP to CONFIG_FS_DAX
2015-02-16 17:56:04 -08:00
docproc.c
docproc: print a comment about autogeneration for rst output
2016-05-14 09:56:56 -06:00
export_report.pl
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
extract-cert.c
KEYS: Remove unnecessary header #inclusions from extract-cert.c
2015-09-25 16:31:45 +01:00
extract-ikconfig
scripts/extract-ikconfig: Support LZ4-compressed images.
2015-04-15 14:01:12 +02:00
extract-module-sig.pl
KEYS: Provide a script to extract a module signature
2015-10-21 15:18:36 +01:00
extract-sys-certs.pl
KEYS: Use the symbol value for list size, updated by scripts/insert-sys-cert
2016-02-26 15:32:05 +00:00
extract-vmlinux
scripts: add extract-vmlinux
2011-08-31 16:12:17 +02:00
gcc-goto.sh
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
gcc-ld
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
gcc-version.sh
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
gcc-x86_32-has-stack-protector.sh
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
gcc-x86_64-has-stack-protector.sh
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
gen_initramfs_list.sh
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
get_maintainer.pl
scripts/get_maintainer.pl: handle file names beginning with ./
2016-01-20 17:09:18 -08:00
gfp-translate
chmod +x scripts/gfp-translate
2012-06-27 12:44:29 -07:00
headerdep.pl
headerdep: perlcritic warning
2010-03-23 12:26:38 +01:00
headers_check.pl
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
headers_install.sh
Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
2014-10-14 09:22:26 +02:00
headers.sh
CRIS: Fix headers_install
2014-12-20 00:01:12 +01:00
insert-sys-cert.c
KEYS: Reserve an extra certificate symbol for inserting without recompiling
2016-02-26 15:30:20 +00:00
kallsyms.c
ARM: 8553/1: kallsyms: remove --page-offset command line option
2016-04-07 21:57:16 +01:00
Kbuild.include
kbuild: suppress annoying "... is up to date." message
2016-03-04 23:19:19 +01:00
kernel-doc
kernel-doc: use rst C domain directives and references for types
2016-05-14 09:56:34 -06:00
kernel-doc-xml-ref
scripts/kernel-doc: Adding cross-reference links to html documentation.
2015-08-16 22:11:16 -06:00
ld-version.sh
ld-version: Drop the 4th and 5th version components
2016-05-13 14:02:05 +02:00
Lindent
scripts/Lindent: handle missing indent gracefully
2015-09-04 16:54:41 -07:00
link-vmlinux.sh
ARM: 8552/1: kallsyms: remove special lower address limit for CONFIG_ARM
2016-04-07 21:57:15 +01:00
Makefile
KEYS: Reserve an extra certificate symbol for inserting without recompiling
2016-02-26 15:30:20 +00:00
Makefile.asm-generic
kbuild: trivial - remove trailing empty lines
2014-06-10 00:04:06 +02:00
Makefile.build
objtool: Detect and warn if libelf is missing and don't break the build
2016-03-05 09:20:44 +01:00
Makefile.clean
Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
2015-02-19 10:07:08 -08:00
Makefile.dtbinst
dtbsinstall: don't move target directory out of the way
2016-01-28 11:40:32 +01:00
Makefile.extrawarn
kbuild: Demote 'sign-compare' warning to W=2
2016-01-12 16:07:03 +01:00
Makefile.fwinst
kbuild: include $(src)/Makefile rather than $(obj)/Makefile
2015-04-02 16:42:08 +02:00
Makefile.headersinst
kbuild: collect shorthands into scripts/Kbuild.include
2014-11-26 14:36:52 +01:00
Makefile.help
Add a target to use the Coccinelle checker
2010-06-12 00:00:29 +02:00
Makefile.host
kbuild: handle the dependency of multi-objs hostprogs appropriately
2014-08-19 10:26:20 +02:00
Makefile.kasan
arm64: add KASAN support
2015-10-12 17:46:36 +01:00
Makefile.lib
kernel: add kcov code coverage
2016-03-22 15:36:02 -07:00
Makefile.modbuiltin
kbuild: Create output directory in Makefile.modbuiltin
2010-06-10 12:23:08 +02:00
Makefile.modinst
modsign: Abort modules_install when signing fails
2015-08-07 16:26:13 +01:00
Makefile.modpost
modpost: Add flag -E for making section mismatches fatal
2015-10-06 10:46:21 +10:30
Makefile.modsign
modsign: lookup lines ending in .ko in .mod files
2014-08-27 21:54:11 +09:30
Makefile.ubsan
ubsan: fix tree-wide -Wmaybe-uninitialized false positives
2016-03-22 15:36:02 -07:00
makelst
kbuild: introduce ccflags-y, asflags-y and ldflags-y
2007-10-15 22:25:06 +02:00
markup_oops.pl
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
mkcompile_h
kbuild: trivial - remove trailing spaces
2014-04-30 17:34:32 +02:00
mkmakefile
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
mksysmap
mksysmap: Add h8300 local symbol pattern
2015-06-23 13:35:47 +09:00
mkuboot.sh
mkuboot.sh: Fail if mkimage is missing
2011-01-07 14:31:01 +01:00
mkversion
…
module-common.lds
kernel: add support for .init_array.* constructors
2015-02-13 21:21:42 -08:00
namespace.pl
kallsyms: add support for relative offsets in kallsyms address table
2016-03-15 16:55:16 -07:00
objdiff
scripts: objdiff: support directories for the augument of record command
2014-06-10 14:59:33 +02:00
patch-kernel
kbuild: trivial - remove trailing spaces
2014-04-30 17:34:32 +02:00
pnmtologo.c
kbuild: trivial - remove trailing empty lines
2014-06-10 00:04:06 +02:00
profile2linkerlist.pl
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
prune-kernel
scripts: add "prune-kernel" script to clean up old kernel images
2016-02-09 10:09:52 -08:00
recordmcount.c
ftrace/scripts: Fix incorrect use of sprintf in recordmcount
2016-01-04 11:13:16 -05:00
recordmcount.h
recordmcount: Fix endianness handling bug for nop_mcount
2015-11-03 10:45:26 -05:00
recordmcount.pl
scripts/recordmcount.pl: support data in text section on powerpc
2016-01-13 12:35:41 +11:00
setlocalversion
Fix detectition of kernel git repository in setlocalversion script [take #2]
2014-01-03 14:48:42 +01:00
show_delta
kbuild: trivial - remove trailing empty lines
2014-06-10 00:04:06 +02:00
sign-file.c
sign-file: fix build with CMS support disabled
2016-03-03 10:50:46 +00:00
sortextable.c
parisc: Use generic extable search and sort routines
2016-03-23 16:00:46 +01:00
sortextable.h
scripts/sortextable: suppress warning: `relocs_size' may be used uninitialized
2014-10-14 02:18:23 +02:00
spelling.txt
scripts/spelling.txt: add "fimware" misspelling
2016-05-19 19:12:14 -07:00
stackdelta
scripts: add stackdelta script
2015-08-28 17:04:40 +02:00
stackusage
scripts: add stackusage script
2015-08-28 17:04:40 +02:00
tags.sh
scripts/tags.sh: add regex to map kprobe helpers
2016-02-18 20:56:37 +01:00
unifdef.c
unifdef: update to upstream version 2.5
2011-01-22 15:50:59 +01:00
ver_linux
scripts: fix typo in ver_linux
2016-02-07 23:01:45 -08:00
xen-hypercalls.sh
xen: build infrastructure for generating hypercall depending symbols
2015-03-16 14:49:13 +00:00
xz_wrap.sh
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00