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Heiko Carstens e6d60b368b s390/ftrace: hotpatch support for function tracing 
Make use of gcc's hotpatch support to generate better code for ftrace
function tracing.
The generated code now contains only a six byte nop in each function
prologue instead of a 24 byte code block which will be runtime patched to
support function tracing.
With the new code generation the runtime overhead for supporting function
tracing is close to zero, while the original code did show a significant
performance impact.

Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2015-01-29 09:19:25 +01:00
..
basic
kernel: build bin2c based on config option CONFIG_BUILD_BIN2C
2014-08-08 15:57:32 -07:00
coccinelle
coccinelle: api: add spatch to prevent unnecessary .owner
2014-11-06 15:16:02 -08:00
dtc
kbuild: trivial - remove trailing empty lines
2014-06-10 00:04:06 +02:00
genksyms
genksyms: fix typeof() handling
2014-04-03 16:20:52 -07:00
kconfig
Replace mentions of "list_struct" to "list_head"
2014-11-20 14:45:15 +01:00
ksymoops
…
mod
arm64 updates for 3.18:
2014-10-08 05:34:24 -04:00
package
Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
2014-10-14 09:27:48 +02:00
rt-tester
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
selinux
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
tracing
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
.gitignore
bin2c: move bin2c in scripts/basic
2014-08-08 15:57:32 -07:00
analyze_suspend.py
PM / tools: analyze_suspend.py: update to v3.0
2014-08-09 02:47:58 +02:00
asn1_compiler.c
X.509: remove possible code fragility: enumeration values not handled
2013-09-25 17:17:01 +01:00
bloat-o-meter
bloat-o-meter: Ignore syscall aliases SyS_ and compat_SyS_
2014-08-23 13:08:48 -07:00
bootgraph.pl
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
checkincludes.pl
…
checkkconfigsymbols.py
checkkconfigsymbols.py: improve detection of defects
2014-11-08 20:50:43 -08:00
checkpatch.pl
checkpatch: add ability to --fix (coalesce) string fragments on multiple lines
2014-12-10 17:41:12 -08:00
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
scripts/checksyscalls.sh: Make renameat optional
2014-05-20 10:59:38 +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: Update information about the minimal version required
2013-07-03 22:58:20 +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
decode_stacktrace.sh
decode_stacktrace: make stack dump output useful again
2014-06-10 15:29:43 -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
diffconfig: Update script to support python versions 2.5 through 3.3
2013-09-01 21:24:51 +02:00
docproc.c
kbuild: trivial - use tabs for code indent where possible
2014-06-10 14:00:53 +02:00
export_report.pl
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
extract-ikconfig
scripts/extract-ikconfig: add xz compression support
2011-02-10 15:23:03 +01:00
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: Teach get_maintainer.pl about the new "R:" tag
2014-07-08 14:47:17 -07:00
gfp-translate
chmod +x scripts/gfp-translate
2012-06-27 12:44:29 -07:00
headerdep.pl
…
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
kbuild: trivial - remove trailing empty lines
2014-06-10 00:04:06 +02:00
kallsyms.c
aarch64: filter $x from kallsyms
2014-10-02 17:01:51 +01:00
Kbuild.include
dts, kbuild: Factor out dtbs install rules to Makefile.dtbinst
2014-10-21 18:06:58 +02:00
kernel-doc
scripts/kernel-doc: don't eat struct members with __aligned
2014-12-10 17:41:02 -08:00
ld-version.sh
Kbuild, lto: add ld-version and ld-ifversion macros
2014-02-13 20:25:00 -08:00
Lindent
…
link-vmlinux.sh
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
Makefile
bin2c: move bin2c in scripts/basic
2014-08-08 15:57:32 -07:00
Makefile.asm-generic
kbuild: trivial - remove trailing empty lines
2014-06-10 00:04:06 +02:00
Makefile.build
ftrace: allow architectures to specify ftrace compile options
2015-01-29 09:19:19 +01:00
Makefile.clean
kbuild: simplify build, clean, modbuiltin shorthands
2014-10-02 15:12:41 +02:00
Makefile.dtbinst
dts, kbuild: Implement support for dtb vendor subdirs
2014-10-21 18:06:59 +02:00
Makefile.extrawarn
kbuild, LLVMLinux: Supress warnings unless W=1-3
2014-08-05 15:40:01 +02:00
Makefile.fwinst
kbuild: remove obj-n and lib-n handling
2014-10-02 13:55:02 +02:00
Makefile.headersinst
kbuild: fix make headers_install when path is too long
2013-05-17 22:10:35 +02:00
Makefile.help
…
Makefile.host
kbuild: handle the dependency of multi-objs hostprogs appropriately
2014-08-19 10:26:20 +02:00
Makefile.lib
dts, kbuild: Factor out dtbs install rules to Makefile.dtbinst
2014-10-21 18:06:58 +02:00
Makefile.modbuiltin
…
Makefile.modinst
kbuild: handle module compression while running 'make modules_install'.
2014-08-27 21:54:12 +09:30
Makefile.modpost
modpost: Optionally ignore secondary errors seen if a single module build fails
2013-09-23 15:45:03 +09:30
Makefile.modsign
modsign: lookup lines ending in .ko in .mod files
2014-08-27 21:54:11 +09:30
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
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00
mkuboot.sh
mkuboot.sh: Fail if mkimage is missing
2011-01-07 14:31:01 +01:00
mkversion
…
module-common.lds
module: Sort exported symbols
2011-05-19 16:55:27 +09:30
namespace.pl
…
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
recordmcount.c
s390/ftrace,kprobes: allow to patch first instruction
2014-10-27 13:27:27 +01:00
recordmcount.h
recordmcount/MIPS: Fix possible incorrect mcount_loc table entries in modules
2014-06-26 10:48:19 +01:00
recordmcount.pl
s390/ftrace: hotpatch support for function tracing
2015-01-29 09:19:25 +01:00
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
treewide: fix errors in printk
2014-09-01 11:18:25 +02:00
sortextable.c
xtensa: enable sorting extable at build time
2014-04-02 01:35:50 +04:00
sortextable.h
scripts/sortextable: suppress warning: `relocs_size' may be used uninitialized
2014-10-14 02:18:23 +02:00
spelling.txt
checkpatch: look for common misspellings
2014-10-14 02:18:15 +02:00
tags.sh
Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
2014-10-14 09:27:48 +02:00
unifdef.c
unifdef: update to upstream version 2.5
2011-01-22 15:50:59 +01:00
ver_linux
…
xz_wrap.sh
kbuild: Make scripts executable
2014-08-20 16:03:45 +02:00