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Josh Poimboeuf e390f9a968 objtool, modules: Discard objtool annotation sections for modules 
The '__unreachable' and '__func_stack_frame_non_standard' sections are
only used at compile time.  They're discarded for vmlinux but they
should also be discarded for modules.

Since this is a recurring pattern, prefix the section names with
".discard.".  It's a nice convention and vmlinux.lds.h already discards
such sections.

Also remove the 'a' (allocatable) flag from the __unreachable section
since it doesn't make sense for a discarded section.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Jessica Yu <jeyu@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: d1091c7fa3d5 ("objtool: Improve detection of BUG() and other dead ends")
Link: http://lkml.kernel.org/r/20170301180444.lhd53c5tibc4ns77@treble
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-03-01 20:32:25 +01:00
..
basic
fixdep: faster CONFIG_ search
2016-08-24 22:34:19 +02:00
coccinelle
Coccinelle: misc: Add support for devm variant in all modes
2016-12-11 12:08:26 +01:00
dtc
scripts/dtc: Update to upstream version 0931cea3ba20
2017-01-04 10:47:53 -06:00
gcc-plugins
Merge branch 'for-next/gcc-plugin/structleak' into for-linus/gcc-plugins
2017-02-21 21:12:57 -08:00
gdb
Revert "scripts/gdb: add a Radix Tree Parser"
2016-07-15 14:54:27 +09:00
genksyms
kbuild: modversions: add infrastructure for emitting relative CRCs
2017-02-03 08:28:25 -08:00
kconfig
Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
2016-12-17 16:30:24 -08:00
ksymoops
…
mod
objtool, modules: Discard objtool annotation sections for modules
2017-03-01 20:32:25 +01:00
package
Merge branch 'kbuild/rc-fixes' into kbuild/misc
2016-12-11 21:20:34 +01:00
selinux
selinux: use the kernel headers when building scripts/selinux
2016-12-21 10:39:25 -05:00
tracing
ftrace/scripts: Add helper script to bisect function tracing problem functions
2016-09-21 13:56:55 -04:00
.gitignore
KEYS: Reserve an extra certificate symbol for inserting without recompiling
2016-02-26 15:30:20 +00:00
adjust_autoksyms.sh
kbuild: fix scripts/adjust_autoksyms.sh* for the no modules case
2016-12-11 22:30:10 +01:00
analyze_suspend.py
AnalyzeSuspend: fix drag and zoom bug in javascript
2017-02-16 00:52:35 +01:00
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: compile .NUMBER regex
2016-12-12 18:55:06 -08:00
bootgraph.pl
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
check_00index.sh
scripts: add a script to check if Documentation/00-INDEX is sane
2016-12-05 14:21:24 -07:00
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
scripts/checkincludes.pl: add exit message for no duplicates found
2017-02-22 16:41:26 -08:00
checkkconfigsymbols.py
checkkconfigsymbols.py: support Kconfig's 'imply' statement
2017-02-03 11:49:06 +01:00
checkpatch.pl
checkpatch: warn when formats use %Z and suggest %z
2017-02-27 18:43:48 -08:00
checkstack.pl
OpenRISC updates for 4.11
2017-02-24 18:37:03 -08:00
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
…
cleanfile
…
cleanpatch
…
coccicheck
scripts/coccicheck: Update reference for the corresponding documentation
2016-10-11 09:50:43 +02:00
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
const_structs.checkpatch
const_structs.checkpatch: add frequently used from Julia Lawall's list
2016-10-11 15:06:30 -07:00
decode_stacktrace.sh
scripts/decode_stacktrace.sh: Fix address line detection on x86
2016-11-29 14:19:50 +01:00
decodecode
…
depmod.sh
…
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_xc3028.pl
[media] extract_xc3028.pl: move it to scripts/dir
2016-07-17 14:08:12 -03:00
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
…
faddr2line
scripts/faddr2line: Fix "size mismatch" error
2016-10-25 18:40:37 +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-plugin.sh
gcc-plugins: abort builds cleanly when not supported
2016-08-08 17:49:05 -07:00
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
scripts/has-stack-protector: add -fno-PIE
2016-11-09 22:28:05 +01:00
gen_initramfs_list.sh
initramfs: Escape colons in depfile
2016-09-23 10:35:32 +02:00
get_dvb_firmware
[media] doc-rst: move DVB avulse docs to Documentation/media
2016-07-17 14:02:45 -03:00
get_maintainer.pl
get_maintainer: look for arbitrary letter prefixes in sections
2016-12-12 18:55:09 -08:00
gfp-translate
…
headerdep.pl
…
headers_check.pl
headers_check: don't warn about c++ guards
2016-05-24 14:12:48 +10:00
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
kbuild: modversions: add infrastructure for emitting relative CRCs
2017-02-03 08:28:25 -08:00
Kbuild.include
Kbuild: Add cpp_its_S in ksym_dep_filter
2017-02-14 09:00:26 +00:00
kernel-doc
kernel-doc: Handle returning pointers to pointers
2017-01-26 15:20:10 -07:00
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: clean up and optimize
2017-02-22 16:41:26 -08:00
link-vmlinux.sh
kbuild: minor improvement for thin archives build
2016-11-29 15:58:57 +01:00
Makefile
GCC plugin infrastructure
2016-06-07 22:57:10 +02:00
Makefile.asm-generic
kbuild: Remove stale asm-generic wrappers
2016-07-07 15:58:45 +02:00
Makefile.build
kbuild: modversions: add infrastructure for emitting relative CRCs
2017-02-03 08:28:25 -08:00
Makefile.clean
Shared library support
2016-06-07 22:57:10 +02:00
Makefile.dtbinst
dtbsinstall: don't move target directory out of the way
2016-01-28 11:40:32 +01:00
Makefile.extrawarn
Kbuild: enable -Wmaybe-uninitialized warnings by default
2016-11-11 08:45:08 -08:00
Makefile.fwinst
kbuild: include $(src)/Makefile rather than $(obj)/Makefile
2015-04-02 16:42:08 +02:00
Makefile.gcc-plugins
powerpc updates for 4.11 part 1.
2017-02-22 10:30:38 -08:00
Makefile.headersinst
kbuild: collect shorthands into scripts/Kbuild.include
2014-11-26 14:36:52 +01:00
Makefile.help
…
Makefile.host
Shared library support
2016-06-07 22:57:10 +02:00
Makefile.kasan
kasan: turn on -fsanitize-address-use-after-scope
2016-12-12 18:55:09 -08:00
Makefile.lib
Merge branch 'akpm' (patches from Andrew)
2016-08-02 21:08:07 -04:00
Makefile.modbuiltin
…
Makefile.modinst
modsign: Abort modules_install when signing fails
2015-08-07 16:26:13 +01:00
Makefile.modpost
kbuild: add arch specific post-link Makefile
2016-09-09 10:47:00 +02:00
Makefile.modsign
modsign: lookup lines ending in .ko in .mod files
2014-08-27 21:54:11 +09:30
Makefile.ubsan
Kbuild: enable -Wmaybe-uninitialized warning for "make W=1"
2016-11-11 08:45:08 -08:00
makelst
…
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
…
mkversion
…
module-common.lds
objtool, modules: Discard objtool annotation sections for modules
2017-03-01 20:32:25 +01:00
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
recordmcount: arm: Implement make_nop
2016-11-14 16:43:00 -05:00
recordmcount.h
recordmcount: Fix endianness handling bug for nop_mcount
2015-11-03 10:45:26 -05:00
recordmcount.pl
scripts/spelling.txt: add "swith" pattern and fix typo instances
2017-02-27 18:43:46 -08:00
setlocalversion
kbuild: setlocalversion: print error to STDERR
2016-06-20 17:37:45 +02:00
show_delta
kbuild: trivial - remove trailing empty lines
2014-06-10 00:04:06 +02:00
sign-file.c
sign-file: fix build error in sign-file.c with libressl
2017-02-10 12:43:47 +11:00
sortextable.c
powerpc: Build-time sort the exception table
2016-11-14 11:11:51 +11:00
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 some typo-words
2017-02-27 18:43:47 -08:00
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: include arch/Kconfig* for tags generation
2017-02-22 16:41:26 -08:00
unifdef.c
…
ver_linux
ver_linux: rename ver_linux.awk to ver_linux
2016-08-31 13:59:31 +02:00
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