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* kbuild: ignore a few files in headers_checkSam Ravnborg2009-01-02
| | | | | | | | | | | | | The new check for asm/types.h and linux/types.h had a few false positives. o We cannot let linux/types.h include linux/types.h o The int-ll64.h and int-ll64.h define the types and are included by linux/types.h Handle this by hardcoding the filenames in the headers_check script. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: add checks for include of linux/types in userspace headersSam Ravnborg2009-01-02
| | | | | | | | | | If we see __[us](8|16|32|64) then we must include <linux/types.h> If wee see include of <asm/types.h> then we recommend <linux/types.h> Original script from Mike but modified by me. Cc: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: drop debugging leftover in tags.shSam Ravnborg2009-01-02
| | | | | | | Noticed by Jike. Reported-by: "Jike Song" <albcamus@gmail.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: in headers_install autoconvert asm/inline/volatile to __xxx__Mike Frysinger2009-01-02
| | | | | | | | | | Headers in userspace should be using the __xxx__ form of the asm, inline, and volatile keywords. Since people like to revert these things without realizing what's going on, have the headers install step autoconvert these keywords. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kbuild: check for leaked CONFIG_ symbols to userspaceSam Ravnborg2009-01-02
| | | | Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* headers_check.pl: disallow extern'sMike Frysinger2009-01-02
| | | | | | | | | Since prototypes with "extern" refer to kernel functions, they make no sense in userspace, so reject them automatically. Signed-off-by: Mike Frysinger <vapier@gentoo.org> [sam: made it into a warning] Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kconfig: improve error messages for bad source statementsSam Ravnborg2009-01-02
| | | | | | | | | We now say where we detect the second source of a file, and where we detect a recursively source of the same file. This makes it easier to fix such errors. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Roman Zippel <zippel@linux-m68k.org>
* kconfig: struct property commentedSam Ravnborg2009-01-02
| | | | | | No functional changes Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kconfig: add comments to symbol flagsSam Ravnborg2009-01-02
| | | | | | No functional changes - only comments. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* kconfig: explain symbol value defaultsSam Ravnborg2009-01-02
| | | | | | Added a few comments - no functional change. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-nextLinus Torvalds2008-12-28
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-next: (25 commits) allow stripping of generated symbols under CONFIG_KALLSYMS_ALL kbuild: strip generated symbols from *.ko kbuild: simplify use of genksyms kernel-doc: check for extra kernel-doc notations kbuild: add headerdep used to detect inclusion cycles in header files kbuild: fix string equality testing in tags.sh kbuild: fix make tags/cscope kbuild: fix make incompatibility kbuild: remove TAR_IGNORE setlocalversion: add git-svn support setlocalversion: print correct subversion revision scripts: improve the decodecode script scripts/package: allow custom options to rpm genksyms: allow to ignore symbol checksum changes genksyms: track symbol checksum changes tags and cscope support really belongs in a shell script kconfig: fix options to check-lxdialog.sh kbuild: gen_init_cpio expands shell variables in file names remove bashisms from scripts/extract-ikconfig kbuild: teach mkmakfile to be silent ...
| * allow stripping of generated symbols under CONFIG_KALLSYMS_ALLJan Beulich2008-12-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Building upon parts of the module stripping patch, this patch introduces similar stripping for vmlinux when CONFIG_KALLSYMS_ALL=y. Using CONFIG_KALLSYMS_STRIP_GENERATED reduces the overhead of CONFIG_KALLSYMS_ALL from 245k/310k to 65k/80k for the (i386/x86-64) kernels I tested with. The patch also does away with the need to special case the kallsyms- internal symbols by making them available even in the first linking stage. While it is a generated file, the patch includes the changes to scripts/genksyms/keywords.c_shipped, as I'm unsure what the procedure here is. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: strip generated symbols from *.koJan Beulich2008-12-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch changes the way __crc_ symbols are being resolved from using ld to do so to using the assembler, thus allowing these symbols to be marked local (the linker creates then as global ones) and hence allow stripping (for modules) or ignoring (for vmlinux) them. While at this, also strip other generated symbols during module installation. One potentially debatable point is the handling of the flags passeed to gcc when translating the intermediate assembly file into an object: passing $(c_flags) unchanged doesn't work as gcc passes --gdwarf2 to gas whenever is sees any -g* option, even for -g0, and despite the fact that the compiler would have already produced all necessary debug info in the C->assembly translation phase. I took the approach of just filtering out all -g* options, but an alternative to such negative filtering might be to have a positive filter which might, in the ideal case allow just all the -Wa,* options to pass through. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: simplify use of genksymsSam Ravnborg2008-12-19
| | | | | | | | | | | | Avoid duplicating long list of options in two places Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kernel-doc: check for extra kernel-doc notationsRandy Dunlap2008-12-19
| | | | | | | | | | | | | | | | | | | | Add functionality to check for function parameters or structure (or union/typedef/enum) field members that are described in kernel-doc but are not part of the expected (declared) parameters or structure. These generate warnings that are called "Excess" descriptions. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: add headerdep used to detect inclusion cycles in header filesVegard Nossum2008-12-18
| | | | | | | | | | Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: fix string equality testing in tags.shJiri Slaby2008-12-13
| | | | | | | | | | | | | | Test of string equality in shells is =, not C-like ==. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: fix make tags/cscopeJiri Slaby2008-12-13
| | | | | | | | | | | | | | | | | | - fix combining O=... and tags - don't allow * expansion during sh function calls Signed-off-by: Jiri Slaby <jirislaby@gmail.com> [sam: use KBUILD_SRC to check if we use O=...] Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: remove TAR_IGNORERobert P. J. Day2008-12-05
| | | | | | | | | | | | | | Given that there is no usage of a TAR_IGNORE variable remove it Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * setlocalversion: add git-svn supportPeter Korsgaard2008-12-03
| | | | | | | | | | | | | | Print svn revision in addition to git info on git-svn repos. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * setlocalversion: print correct subversion revisionPeter Korsgaard2008-12-03
| | | | | | | | | | | | | | | | Output svn revision of latest change, instead of repo revision as thats what we're interested in (especially when working on a branch/tag). Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * scripts: improve the decodecode scriptArjan van de Ven2008-12-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | kerneloops.org has been using an improved "decodecode" script, specifically it has a special marker that shows which line in the assembly the oops happened at, like this: 20: 83 e0 03 and $0x3,%eax 23: 09 d8 or %ebx,%eax 25: 85 db test %ebx,%ebx 27: 89 02 mov %eax,(%edx) 29: 74 0f je 0x3a 2b:* 3b 73 04 cmp 0x4(%ebx),%esi <-- trapping instruction 2e: 75 05 jne 0x35 30: 89 53 04 mov %edx,0x4(%ebx) 33: eb 07 jmp 0x3c 35: 89 53 08 mov %edx,0x8(%ebx) this patch updates the kernel copy to also have this functionality. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Reviewed-by: WANG Cong <wangcong@zeuux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * scripts/package: allow custom options to rpmJeremy Kerr2008-12-03
| | | | | | | | | | | | | | | | | | | | | | Add a RPMOPTS make variable to allow arbitrary options to be passed to rpm during 'make rpm-pkg'. For example: make RPMOPTS="--define '_topdir /home/jk/rpm'" rpm-pkg Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * genksyms: allow to ignore symbol checksum changesAndreas Gruenbacher2008-12-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds an "override" keyword for use in *.symvers / *.symref files. When a symbol is overridden, the symbol's old definition will be used for computing checksums instead of the new one, preserving the previous checksum. (Genksyms will still warn about the change.) This is meant to allow distributions to hide minor actual as well as fake ABI changes. (For example, when extra type information becomes available because additional headers are included, this may change checksums even though none of the types used have actully changed.) This approach also allows to get rid of "#ifdef __GENKSYMS__" hacks in the code, which are currently used in some vendor kernels to work around checksum changes. Signed-off-by: Andreas Gruenbacher <agruen@suse.de> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * genksyms: track symbol checksum changesAndreas Gruenbacher2008-12-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sometimes it is preferable to avoid changes of exported symbol checksums (to avoid breaking externally provided modules). When a checksum change occurs, it can be hard to figure out what caused this change: underlying types may have changed, or additional type information may simply have become available at the point where a symbol is exported. Add a new --reference option to genksyms which allows it to report why checksums change, based on the type information dumps it creates with the --dump-types flag. Genksyms will read in such a dump from a previous run, and report which symbols have changed (and why). The behavior can be controlled for an entire build as follows: If KBUILD_SYMTYPES is set, genksyms uses --dump-types to produce *.symtypes dump files. If any *.symref files exist, those will be used as the reference to check against. If KBUILD_PRESERVE is set, checksum changes will fail the build. Signed-off-by: Andreas Gruenbacher <agruen@suse.de> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * tags and cscope support really belongs in a shell scriptSam Ravnborg2008-12-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | as they do not benefit from the make functionality. Moving the support to a shell script has several benefits: - The readability of the code has increased a lot - More people is able to extend the tags support - We see less changes to the top-level Makefile The shell script version includes improvements from: Alexey Dobriyan <adobriyan@gmail.com> (jump to kconfig symbols) Alexey Dobriyan <adobriyan@gmail.com> (drop ./ in paths) Ian Campbell <ijc@hellion.org.uk> (simplified find algorithms) This version has a few caveats: => It does not support ALLSOURCE_ARCHS - it is easy to add if it is really used => It assumes all archs have moved to arch/$ARCH/include - until that happens we have a few additional hits in the archs Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Alexey Dobriyan <adobriyan@gmail.com> Tested-by: Ian Campbell <ijc@hellion.org.uk>
| * kconfig: fix options to check-lxdialog.shSam Ravnborg2008-12-03
| | | | | | | | | | | | | | As noted by Bernhard - fix it up. Cc: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * remove bashisms from scripts/extract-ikconfigWerner Almesberger2008-12-03
| | | | | | | | | | | | | | | | | | | | | | | | unbashify-extract-ikconfig.patch scripts/extract-ikconfig contains a lot of gratuituous bashisms, which make it fail if /bin/sh isn't bash. This patch replaces them with regular Bourne shell constructs. Signed-off-by: Werner Almesberger <werner@openmoko.org> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> # as file author Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: teach mkmakfile to be silentSam Ravnborg2008-12-03
| | | | | | | | | | | | With this fix a "make -s" is now really silent Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: use KECHO convenience echoMike Frysinger2008-12-03
| | | | | | | | | | | | | | | | | | Convert a few echos in the build system to new $(kecho) so we get correct output according to build verbosity. Signed-off-by: Mike Frysinger <vapier@gentoo.org> [sam: added kecho in a few more places for O=... builds] Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: introduce $(kecho) convenience echoMike Frysinger2008-12-03
| | | | | | | | | | | | | | | | | | | | | | There is a bunch of places in the build system where we do 'echo' to show some nice status lines. This means we still get output when running in silent mode. So declare a new KECHO variable that only does 'echo' when we are in a suitable verbose build mode. Signed-off-by: Mike Frysinger <vapier@gentoo.org> [sam: added Documentation] Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: kill output in silent mode of mkcompile_hMike Frysinger2008-12-03
| | | | | | | | | | | | | | | | | | The mkcompile_h script does `echo` regardless of silent mode the make is running at, so have it respect $quiet from kbuild and only echo when not in silent mode. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: expand -I in KBUILD_CPPFLAGSSam Ravnborg2008-12-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | kbuild failed to expand include flags in KBUILD_CPPFLAGS resulting in code like this in arch Makefiles: ifeq ($(KBUILD_SRC),) KBUILD_CPPFLAGS += -Iinclude/foo else KBUILD_CPPFLAGS += -I$(srctree)/include/foo endif Move use of LINUXINCLUDE into Makefile.lib to allow us to expand -I directives of KBUILD_CPPFLAGS so we can avoid the above code. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: fix -I option expansion with O=... buildsSam Ravnborg2008-12-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When adding extra -I options with O=... we could end up in a situation where there were no parameters to -I. So we had a commandline that looked like this: ... -I -Wall ... This had the undesired side effect that gcc assumed "-Wall" was a path to look for include files so this options was effectively ignored. This happens only when we build the generated module.mod.c files as part of the final modules builds and is as such harmless with current kbuild. This bug was exposed when we rearranged the options to gcc. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* | tracing/function-graph-tracer: add a new .irqentry.text sectionFrederic Weisbecker2008-12-12
| | | | | | | | | | | | | | | | | | | | | | | | | | Impact: let the function-graph-tracer be aware of the irq entrypoints Add a new .irqentry.text section to store the irq entrypoints functions inside the same section. This way, the tracer will be able to signal an interrupts triggering on output by recognizing these entrypoints. Also, make this section recordable for dynamic tracing. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | Merge commit 'v2.6.28-rc7' into tracing/coreIngo Molnar2008-12-04
|\|
| * kernel-doc: handle varargs cleanlyRandy Dunlap2008-12-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The method for listing varargs in kernel-doc notation is: * @...: these arguments are printed by the @fmt argument but scripts/kernel-doc is confused: it always lists varargs as: ... variable arguments and ignores the @...: line's description, but then prints that line after the list of function parameters as though it's not part of the function parameters. This patch makes kernel-doc print the supplied @... description if it is present; otherwise a boilerplate "variable arguments" is printed. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| |
| \
*-. \ Merge branches 'tracing/blktrace', 'tracing/ftrace', ↵Ingo Molnar2008-11-27
|\ \ \ | | | | | | | | | | | | 'tracing/function-graph-tracer' and 'tracing/power-tracer' into tracing/core
| | * | tracing: add "power-tracer": C/P state tracer to help power optimizationArjan van de Ven2008-11-26
| |/ / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: new "power-tracer" ftrace plugin This patch adds a C/P-state ftrace plugin that will generate detailed statistics about the C/P-states that are being used, so that we can look at detailed decisions that the C/P-state code is making, rather than the too high level "average" that we have today. An example way of using this is: mount -t debugfs none /sys/kernel/debug echo cstate > /sys/kernel/debug/tracing/current_tracer echo 1 > /sys/kernel/debug/tracing/tracing_enabled sleep 1 echo 0 > /sys/kernel/debug/tracing/tracing_enabled cat /sys/kernel/debug/tracing/trace | perl scripts/trace/cstate.pl > out.svg Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | ftrace: adding other non-leaving .text sectionsLiming Wang2008-11-25
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: widen the scope of recordmcount.pl Besides .text section, there are three .text sections that won't be freed after kernel booting. They are: .sched.text, .spinlock.text and .kprobes.text, which contain functions we can trace. But the last section ".kprobes.text" is particular, which has been marked as "notrace", we ignore it. Thus we add other two sections. Signed-off-by: Liming Wang <liming.wang@windriver.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | ftrace: scripts/recordmcount.pl support for ARMJim Radford2008-11-23
| | | | | | | | | | | | | | | | | | | | | | | | Impact: extend scripts/recordmcount.pl to ARM Arm uses %progbits instead of @progbits and requires only 4 byte alignment. [ Thanks to Sam Ravnborg for mentioning that ARM uses %progbits ] Signed-off-by: Jim Radford <radford@galvanix.com> Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | ftrace: specify $alignment for sh architectureMatt Fleming2008-11-23
| | | | | | | | | | | | | | | | | | | | | | | | Impact: extend scripts/recordmcount.pl with default alignment for SH Set $alignment=2 for the sh architecture so that a ".align 2" directive will be emitted for all __mcount_loc sections. Fix a whitspace error while I'm here (converted spaces to tabs). Signed-off-by: Matt Fleming <mjf@gentoo.org> Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | ftrace: create default variables for archs in recordmcount.plSteven Rostedt2008-11-23
| | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup of recordmcount.pl Now that more architectures are being ported to the MCOUNT_RECORD method, there is no reason to have each declare their own arch specific variable if most of them share the same value. This patch creates a set of default values for the arch specific variables based off of i386. Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | ftrace: add support for powerpc to recordmcount.pl scriptSteven Rostedt2008-11-23
| | | | | | | | | | | | | | | | | | | | Impact: Add PowerPC port to recordmcount.pl script This patch updates the recordmcount.pl script to process PowerPC. Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | sh: dynamic ftrace support.Matt Fleming2008-11-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | First cut at dynamic ftrace support. [ Steven Rostedt - only updated the recordmcount.pl file. There are updates for PowerPC that will conflict with this, and we need to base off of these changes. ] Signed-off-by: Matt Fleming <mjf@gentoo.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | tracing/fastboot: put error message on stderrStephen Hemminger2008-11-13
| | | | | | | | | | | | | | | | | | Since this scripts output is usually redirected, put error messages on standard error and exit with error code if no data is found. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | tracing/fastboot: fix perlcritic warningStephen Hemminger2008-11-12
| | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup Fix the following warning from the perl syntax checking tool perlcritic. This tool is a lint like tool that checks for perl best practices. Loop iterator is not lexical at line 113, column 1. See page 108 of PBP. (Severity: 5) Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | Merge branch 'tracing/urgent' into tracing/ftraceIngo Molnar2008-11-11
|\| | | | | | | | | Conflicts: kernel/trace/trace.c
| * kbuild: Fixup deb-pkg target to generate separate firmware debJonathan McDowell2008-11-09
| | | | | | | | | | | | | | | | | | | | The below is a simplistic fix for "make deb-pkg"; it splits the firmware out to a linux-firmware-image package and adds an (unversioned) Suggests to the linux package for this firmware. Signed-Off-By: Jonathan McDowell <noodles@earth.li> Acked-by: Frans Pop <elendil@planet.nl> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* | ftrace: align __mcount_loc sectionsMatt Fleming2008-11-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: add alignment option for recordmcount.pl script Align the __mcount_loc sections so that architectures with strict alignment requirements need not worry about performing unaligned accesses. This fixes an issue where I was seeing unaligned accesses, which are not supported on our architecture (the results of an unaligned access are undefined). Signed-off-by: Matt Fleming <matthew.fleming@imgtec.com> Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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