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* ftrace: Remove duplicate code for 64 and 32 bit in recordmcount.cSteven Rostedt2010-10-14
| | | | | | | | | | | | | | | The elf reader for recordmcount.c had duplicate functions for both 32 bit and 64 bit elf handling. This was due to the need of using the 32 and 64 bit elf structures. This patch consolidates the two by using macros to define the 32 and 64 bit names in a recordmcount.h file, and then by just defining a RECORD_MCOUNT_64 macro and including recordmcount.h twice we create the funtions for both the 32 bit version as well as the 64 bit version using one code source. Cc: John Reiser <jreiser@bitwagon.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ftrace/x86: Add support for C version of recordmcountSteven Rostedt2010-10-14
| | | | | | | | | | | | | | | | | | This patch adds the support for the C version of recordmcount and compile times show ~ 12% improvement. After verifying this works, other archs can add: HAVE_C_MCOUNT_RECORD in its Kconfig and it will use the C version of recordmcount instead of the perl version. Cc: <linux-arch@vger.kernel.org> Cc: Michal Marek <mmarek@suse.cz> Cc: linux-kbuild@vger.kernel.org Cc: John Reiser <jreiser@bitwagon.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* ftrace: Add C version of recordmcount compile time codeJohn Reiser2010-10-14
| | | | | | | | | | | | | | Currently, the mcount callers are found with a perl script that does an objdump on every file in the kernel. This is a C version of that same code which should increase the performance time of compiling the kernel with dynamic ftrace enabled. Signed-off-by: John Reiser <jreiser@bitwagon.com> [ Updated the code to include .text.unlikely section as well as changing the format to follow Linux coding style. ] Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* jump label: Fix GCC feature check when distcc is usedIngo Molnar2010-09-24
| | | | | | | | | | | | | | | | | | | | | The following build bug occurs on distcc builds: CC arch/x86/kernel/asm-offsets.s In file included from include/linux/module.h:24, from include/linux/crypto.h:22, from arch/x86/kernel/asm-offsets_64.c:9, from arch/x86/kernel/asm-offsets.c:5: include/trace/events/module.h: In function 'trace_module_load': include/trace/events/module.h:18: error: expected '(' before 'goto' include/trace/events/module.h:18: error: expected identifier or '*' before '(' token It triggers because distcc is invoked by turning $CC into "distcc gcc", but gcc-goto.sh check script was using $1 not $@ to expand parameters. Cc: Jason Baron <jbaron@redhat.com> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <20100923034910.867858597@goodmis.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* jump label: Convert dynamic debug to use jump labelsJason Baron2010-09-22
| | | | | | | | Convert the 'dynamic debug' infrastructure to use jump labels. Signed-off-by: Jason Baron <jbaron@redhat.com> LKML-Reference: <b77627358cea3e27d7be4386f45f66219afb8452.1284733808.git.jbaron@redhat.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* jump label: Base patch for jump labelJason Baron2010-09-22
| | | | | | | | | | | | | | | | | base patch to implement 'jump labeling'. Based on a new 'asm goto' inline assembly gcc mechanism, we can now branch to labels from an 'asm goto' statment. This allows us to create a 'no-op' fastpath, which can subsequently be patched with a jump to the slowpath code. This is useful for code which might be rarely used, but which we'd like to be able to call, if needed. Tracepoints are the current usecase that these are being implemented for. Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Jason Baron <jbaron@redhat.com> LKML-Reference: <ee8b3595967989fdaf84e698dc7447d315ce972a.1284733808.git.jbaron@redhat.com> [ cleaned up some formating ] Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* docbook: warn on unused doc entriesJohannes Berg2010-09-11
| | | | | | | | | | | | | | | | | | | | When you don't use !E or !I but only !F, then it's very easy to miss including some functions, structs etc. in documentation. To help finding which ones were missed, allow printing out the unused ones as warnings. For example, using this on mac80211 yields a lot of warnings like this: Warning: didn't use docs for DOC: mac80211 workqueue Warning: didn't use docs for ieee80211_max_queues Warning: didn't use docs for ieee80211_bss_change Warning: didn't use docs for ieee80211_bss_conf when generating the documentation for it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* kernel-doc: ignore case when stripping attributesJohannes Berg2010-09-11
| | | | | | | | | | | There are valid attributes that could have upper case letters, but we still want to remove, like for example __attribute__((aligned(NETDEV_ALIGN))) as encountered in the wireless code. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'rc-fixes' of ↵Linus Torvalds2010-08-23
|\ | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: setlocalversion: Ignote SCMs above the linux source tree makefile: not need to regenerate kernel.release file when make kernelrelease fixes for using make 3.82 kconfig: fix segfault when detecting recursive dependency kconfig: fix savedefconfig with choice marked optional
| * setlocalversion: Ignote SCMs above the linux source treeMichal Marek2010-08-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Dan McGee <dpmcgee@gmail.com> writes: > Note that when in git, you get the appended "+" sign. If > LOCALVERSION_AUTO is set, you will get something like > "eee-gb01b08c-dirty" (whereas the copy of the tree in /tmp still > returns "eee"). It doesn't matter whether the working tree is dirty or > clean. > > Is there a way to disable this? I'm building from a clean tarball that > just happens to be unpacked inside a git repository. One would think > setting LOCALVERSION_AUTO to false would do it, but no such luck... Fix this by checking if the kernel source tree is the root of the git or hg repository. No fix for svn: If the kernel source is not tracked in the svn repository, it works as expected, otherwise determining the 'repository root' is not really a defined task. Reported-and-tested-by: Dan McGee <dpmcgee@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * Merge commit 'v2.6.36-rc1' into kbuild/rc-fixesMichal Marek2010-08-20
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| * | fixes for using make 3.82Jan Beulich2010-08-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It doesn't like pattern and explicit rules to be on the same line, and it seems to be more picky when matching file (or really directory) names with different numbers of trailing slashes. Signed-off-by: Jan Beulich <jbeulich@novell.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Andrew Benton <b3nton@gmail.com> Cc: <stable@kernel.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kconfig: fix segfault when detecting recursive dependencySam Ravnborg2010-08-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Following sample Kconfig generated a segfault: config FOO bool select PERF_EVENTS if HAVE_HW_BREAKPOINT config PERF_EVENTS bool config HAVE_HW_BREAKPOINT bool depends on PERF_EVENTS Fix by reverting back to a valid property if there was no property on the stack of symbols. The above pattern were seen in sh Kconfig. A fix for the Kconfig file has been sent to the sh folks. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kconfig: fix savedefconfig with choice marked optionalSam Ravnborg2010-08-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | savedefconfig failed to save the correct minimal config when it encountered a choice marked optional. Consider following minimal configuration: $cat Kconfig choice prompt "choice" optional config A bool "a" config B bool "b" endchoice $cat .config | grep -v ^# CONFIG_A=y $conf --savedefconfig=defconfig Kconfig would before this fix result in an empty file, because kconfig would assume that CONFIG_A=y is a default value. But because the choice is optional the default is that both A and B are =n. Fix so we handle optional choices correct. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | Merge branch 'tip/perf/urgent-3' of ↵Steven Rostedt2010-08-16
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into trace/tip/perf/urgent-4 Conflicts: kernel/trace/trace_events.c Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | tracing: Extend recordmcount to better support Blackfin mcountMike Frysinger2010-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The mcount call on Blackfin systems includes some stack manipulation around the actual call site, so extend the build time perl script to support this. This way we can avoid doing the calculation at runtime. Signed-off-by: Mike Frysinger <vapier@gentoo.org> LKML-Reference: <1281079584-21205-1-git-send-email-vapier@gentoo.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | | kbuild: drop unifdef-y supportSam Ravnborg2010-08-14
| | | | | | | | | | | | | | | | | | unifdef-y is not used anymore - drop remaining references Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* | | Merge branch 'kbuild' of ↵Linus Torvalds2010-08-13
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: setlocalversion: fix version for untaged nontip mercurial revs Fix CONFIG_CROSS_COMPILE issue in .config
| * | | setlocalversion: fix version for untaged nontip mercurial revsMilton Miller2010-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The manpage for cut says it will return all lines without the delimiter unless -s is specified. When I backed up my mecurial tree to generate modules, I found that the scm part of localversion was turning up blank. Signed-off-by: Milton Miller <miltonm@bga.com> Cc: Michal Marek <mmarek@suse.cz> Cc: "Michał Górny" <gentoo@mgorny.alt.pl> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | | Merge branch 'kconfig' of ↵Linus Torvalds2010-08-13
|\ \ \ \ | | |_|/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: kconfig: Fix warning: ignoring return value of 'fgets' kconfig: Fix warning: ignoring return value of 'fwrite' nconfig: Fix segfault when menu is empty kconfig: fix tristate choice with minimal config kconfig: fix savedefconfig for tristate choices
| * | | kconfig: Fix warning: ignoring return value of 'fgets'Jean Sacren2010-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fix facilitates fgets() either it returns on success or on error or when end of file occurs. Signed-off-by: Jean Sacren <sakiwit@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kconfig: Fix warning: ignoring return value of 'fwrite'Jean Sacren2010-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fix facilitates fwrite() in both confdata.c and expr.c, either it succeeds in writing, or an error occurs, or the end of file is reached. Signed-off-by: Jean Sacren <sakiwit@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | nconfig: Fix segfault when menu is emptyAndrej Gelenberg2010-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | nconf crush with segfault if press right arrow in empty menu. Signed-off-by: Andrej Gelenberg <andrej.gelenberg@udo.edu> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kconfig: fix tristate choice with minimal configSam Ravnborg2010-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a minimal config did not specify the value of all choice values, the resulting configuration could have wrong values. Consider following example: config M def_bool y option modules choice prompt "choice list" config A tristate "a" config B tristate "b" endchoice With a defconfig like this: CONFIG_M=y CONFIG_A=y The resulting configuration would have CONFIG_A=m which was unexpected. The problem was not not all choice values were set and thus kconfig calculated a wrong value. The fix is to set all choice values when we read a defconfig files. conf_set_all_new_symbols() is refactored such that random choice values are now handled by a dedicated function. And new choice values are set by set_all_choice_values(). This was not the minimal fix, but the fix that resulted in the most readable code. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Reported-by: Arve Hjønnevåg <arve@android.com> Tested-by: Arve Hjønnevåg <arve@android.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kconfig: fix savedefconfig for tristate choicesSam Ravnborg2010-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | savedefconfig failed to save choice symbols equal to 'y' for tristate choices. This resulted in this value being lost. In particular is fixes an issue where make ARCH=avr32 atngw100_defconfig make ARCH=avr32 savedefconfig cp defconfig arch/avr32/configs/atngw100_defconfig make ARCH=avr32 atngw100_defconfig diff -u .config .config.old failed to produce an identical .config. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | | Merge branch 'params' of ↵Linus Torvalds2010-08-12
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus * 'params' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: (22 commits) param: don't deref arg in __same_type() checks param: update drivers/acpi/debug.c to new scheme param: use module_param in drivers/message/fusion/mptbase.c ide: use module_param_named rather than module_param_call param: update drivers/char/ipmi/ipmi_watchdog.c to new scheme param: lock if_sdio's lbs_helper_name and lbs_fw_name against sysfs changes. param: lock myri10ge_fw_name against sysfs changes. param: simple locking for sysfs-writable charp parameters param: remove unnecessary writable charp param: add kerneldoc to moduleparam.h param: locking for kernel parameters param: make param sections const. param: use free hook for charp (fix leak of charp parameters) param: add a free hook to kernel_param_ops. param: silence .init.text references from param ops Add param ops struct for hvc_iucv driver. nfs: update for module_param_named API change AppArmor: update for module_param_named API change param: use ops in struct kernel_param, rather than get and set fns directly param: move the EXPORT_SYMBOL to after the definitions. ...
| * | | | param: silence .init.text references from param opsRusty Russell2010-08-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ideally, we'd check that it was only the "set" function which was __init, and that the permissions were r/o. But that's a little hard. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Sam Ravnborg <sam@ravnborg.org> Tested-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
* | | | | MN10300: Permit .GCC-command-line sectionsDavid Howells2010-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Permit .GCC-command-line sections in modules. Otherwise modpost says things like: WARNING: drivers/mtd/chips/map_ram.o (.GCC-command-line): unexpected non-allocatable section. Did you forget to use "ax"/"aw" in a .S file? Note that for example <linux/init.h> contains section definitions for use in .S files. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | | mtd/nand_base: fix kernel-doc warnings & typosRandy Dunlap2010-08-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix mtd/nand_base.c kernel-doc warnings and typos. Warning(drivers/mtd/nand/nand_base.c:893): No description found for parameter 'mtd' Warning(drivers/mtd/nand/nand_base.c:893): No description found for parameter 'ofs' Warning(drivers/mtd/nand/nand_base.c:893): No description found for parameter 'len' Warning(drivers/mtd/nand/nand_base.c:893): No description found for parameter 'invert' Warning(drivers/mtd/nand/nand_base.c:930): No description found for parameter 'mtd' Warning(drivers/mtd/nand/nand_base.c:930): No description found for parameter 'ofs' Warning(drivers/mtd/nand/nand_base.c:930): No description found for parameter 'len' Warning(drivers/mtd/nand/nand_base.c:987): No description found for parameter 'mtd' Warning(drivers/mtd/nand/nand_base.c:987): No description found for parameter 'ofs' Warning(drivers/mtd/nand/nand_base.c:987): No description found for parameter 'len' Warning(drivers/mtd/nand/nand_base.c:2087): No description found for parameter 'len' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | | fix "scripts/mod/modpost.c: fix memory leak"Andrew Morton2010-08-11
|/ / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix error introduced by 37ed19d5cce35a40d3913cf9aa208ce9f60db3d7 ("scripts/mod/modpost.c: fix memory leak"). - don't kfree("") - fix one missed conversion Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Tested-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Alexey Fomenko <ext-alexey.fomenko@nokia.com> Cc: Trevor Keith <tsrk@tsrk.net> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: fix extraneous EXPORT_SYMBOL* warningsPatrick Pannuto2010-08-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These are caused by checkpatch incorrectly parsing its internal representation of a statement block for struct's (or anything else that is a statement block encapsulated in {}'s that also ends with a ';'). Fix this by properly parsing a statement block. An example: +struct dummy_type dummy = { + .foo = "baz", +}; +EXPORT_SYMBOL_GPL(dummy); + +static int dummy_func(void) +{ + return -EDUMMYCODE; +} +EXPORT_SYMBOL_GPL(dummy_func); WARNING: EXPORT_SYMBOL(foo); should immediately \ follow its function/variable #19: FILE: dummy.c:4: +EXPORT_SYMBOL_GPL(dummy); The above warning is issued when it should not be. Signed-off-by: Patrick Pannuto <ppannuto@codeaurora.org> Cc: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: warn about unexpectedly long msleep'sPatrick Pannuto2010-08-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As explained in Documentation/timers/timers-howto.txt, msleep's of < 20ms may sleep for as long as 20ms. Caller's of msleep(1) or msleep(2), etc are likely not to expect this quirky behavior - warn them. Signed-off-by: Patrick Pannuto <ppannuto@codeaurora.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: prefer usleep_range over udelayPatrick Pannuto2010-08-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When possible, sleeping is (usually) better than delaying; however, don't bother callers of udelay < 10us, as those cases are generally not worth the switch to usleep [akpm@linux-foundation.org: fix mismatched parentheses] Signed-off-by: Patrick Pannuto <ppannuto@codeaurora.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: add more exceptions to 80 char linesJoe Perches2010-08-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add new logging functions netdev_<level> and netif_<level>. Don't complain if the only thing on a line is a quoted string. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: change externals to globalsJoe Eloff2010-08-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make error message say 'ERROR: do not initialise globals to 0 or NULL' rather than 'ERROR: do not initialise externals to 0 or NULL'. Makes more sense in the context since there is an extern keyword in C and that is a global declaration within the scope of the current file. Signed-off-by: Joe Eloff <kagen101@gmail.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: fix handling of leading spacesRaffaele Recalcati2010-08-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I've got a false positive when spaces are present at the beginning of a line. So I add this check, obviously excluding to check the lines in the middle of comments. For instance this code passes the checkpatch test: +struct davinci_mcbsp_data { + unsigned int fmt; + int clk_div; +}; + +static struct davinci_mcbsp_data mcbsp_data; Where, before the string "int clk_div", I have 4 spaces (\040 ascii character). With v2.6.34 scripts/checkpatch.pl script I get: scripts/checkpatch.pl 0001-ASoC-DaVinci-Added-support-for-stereo-I2S.patch total: 0 errors, 0 warnings, 201 lines checked 0001-ASoC-DaVinci-Added-support-for-stereo-I2S.patch has no obvious style problems and is ready for submission. That is not correct. Instead with the proposed patch I get: scripts/checkpatch.pl 0001-ASoC-DaVinci-Added-support-for-stereo-I2S.patch WARNING: please, no space for starting a line, excluding comments #63: FILE: sound/soc/davinci/davinci-i2s.c:165: + int clk_div;$ WARNING: please, no space for starting a line, excluding comments #95: FILE: sound/soc/davinci/davinci-i2s.c:406: + return 0;$ total: 0 errors, 2 warnings, 201 lines checked That is correct. Signed-off-by: Raffaele Recalcati <raffaele.recalcati@bticino.it> Cc: Wolfram Sang <w.sang@pengutronix.de> Cc: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: refactor 'allowed asm includes' and add memory.hWolfram Sang2010-08-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change the check suggesting replacement of asm-includes with linux-includes. Exceptions to this rule are easier to extend now. Add memory.h because ARM has a custom one. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Cc: Russell King <linux@arm.linux.org.uk> Cc: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | scripts/mod/modpost.c: fix memory leakAlexey Fomenko2010-08-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sec2annotation returns malloc'ed buffer directly to printf as an argument. Free this buffer after printing. Signed-off-by: Alexey Fomenko <ext-alexey.fomenko@nokia.com> Cc: Trevor Keith <tsrk@tsrk.net> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tileLinus Torvalds2010-08-08
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: arch/tile: check kmalloc() result arch/tile: catch up on various minor cleanups. arch/tile: avoid erroneous error return for PTRACE_POKEUSR. tile: set ARCH_KMALLOC_MINALIGN tile: remove homegrown L1_CACHE_ALIGN macro arch/tile: Miscellaneous cleanup changes. arch/tile: Split the icache flush code off to a generic <arch> header. arch/tile: Fix bug in support for atomic64_xx() ops. arch/tile: Shrink the tile-opcode files considerably. arch/tile: Add driver to enable access to the user dynamic network. arch/tile: Enable more sophisticated IRQ model for 32-bit chips. Move list types from <linux/list.h> to <linux/types.h>. Add wait4() back to the set of <asm-generic/unistd.h> syscalls. Revert adding some arch-specific signal syscalls to <linux/syscalls.h>. arch/tile: Do not use GFP_KERNEL for dma_alloc_coherent(). Feedback from fujita.tomonori@lab.ntt.co.jp. arch/tile: core support for Tilera 32-bit chips. Fix up the "generic" unistd.h ABI to be more useful.
| * \ \ \ Merge branch 'master' into for-linusChris Metcalf2010-08-06
| |\ \ \ \
| * \ \ \ \ Merge branch 'master' into for-linusChris Metcalf2010-07-06
| |\ \ \ \ \ | | | |_|_|/ | | |/| | |
| * | | | | Add wait4() back to the set of <asm-generic/unistd.h> syscalls.Chris Metcalf2010-06-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The initial pass at the generic ABI assumed that wait4() could be easily expressed using waitid(). Although it's true that wait4() can be built on waitid(), it's awkward enough that it makes more sense to continue to include wait4 in the generic syscall ABI. Since there is already a deprecated wait4 in the ABI, this change converts that wait4 into old_wait, and puts wait4 in the next available slot for new supported syscalls, after the platform-specific syscalls at number 260. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
* | | | | | Merge branch 'perf-core-for-linus' of ↵Linus Torvalds2010-08-06
|\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (162 commits) tracing/kprobes: unregister_trace_probe needs to be called under mutex perf: expose event__process function perf events: Fix mmap offset determination perf, powerpc: fsl_emb: Restore setting perf_sample_data.period perf, powerpc: Convert the FSL driver to use local64_t perf tools: Don't keep unreferenced maps when unmaps are detected perf session: Invalidate last_match when removing threads from rb_tree perf session: Free the ref_reloc_sym memory at the right place x86,mmiotrace: Add support for tracing STOS instruction perf, sched migration: Librarize task states and event headers helpers perf, sched migration: Librarize the GUI class perf, sched migration: Make the GUI class client agnostic perf, sched migration: Make it vertically scrollable perf, sched migration: Parameterize cpu height and spacing perf, sched migration: Fix key bindings perf, sched migration: Ignore unhandled task states perf, sched migration: Handle ignored migrate out events perf: New migration tool overview tracing: Drop cpparg() macro perf: Use tracepoint_synchronize_unregister() to flush any pending tracepoint call ... Fix up trivial conflicts in Makefile and drivers/cpufreq/cpufreq.c
| * \ \ \ \ \ Merge commit 'v2.6.35' into perf/coreIngo Molnar2010-08-02
| |\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: tools/perf/Makefile tools/perf/util/hist.c Merge reason: Resolve the conflicts and update to latest upstream. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * \ \ \ \ \ \ Merge branch 'tip/perf/core' of ↵Ingo Molnar2010-07-23
| |\ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core
| | * | | | | | | tracing: Fix $mcount_regex for MIPS in recordmcount.plDavid Daney2010-07-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I found this issue in a locally patched 2.6.32.x, current kernels have moved the offending code to an __init function which is skipped by recordmcount.pl, so the bug is not currently being exercised. However, I think the patch is still a good idea, to avoid future problems if _mcount were to ever have its address taken in normal code. This is what I originally saw: Although arch/mips/kernel/ftrace.c is built without -pg, and thus contains no calls to _mcount, it does use the address of _mcount in ftrace_make_nop(). This was causing relocations to be emitted for _mcount which recordmcount.pl erronously took to be _mcount call sites. The result was that the text of ftrace_make_nop() would be patched with garbage leading to a system crash. In non-module code, all _mcount call sites will have R_MIPS_26 relocations, so we restrict $mcount_regex to only match on these. Acked-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Wu Zhangjin <wuzhangjin@gmail.com> Signed-off-by: David Daney <ddaney@caviumnetworks.com> LKML-Reference: <1278712325-12050-1-git-send-email-ddaney@caviumnetworks.com> Cc: Li Hong <lihong.hi@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Matt Fleming <matt@console-pimps.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | | | | | | | Merge branch 'linus' into perf/coreIngo Molnar2010-07-21
| |\ \ \ \ \ \ \ \ | | |/ / / / / / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge reason: Pick up the latest perf fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | | | | | | | Merge commit 'v2.6.35-rc4' into perf/coreIngo Molnar2010-07-05
| |\ \ \ \ \ \ \ \ | | | |_|_|/ / / / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge reason: Pick up the latest perf fixes Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | | | | | | | Merge branch 'linus' into perf/coreThomas Gleixner2010-06-28
| |\ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reason: Further changes conflict with upstream fixes Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| * \ \ \ \ \ \ \ \ Merge commit 'v2.6.35-rc3' into perf/coreIngo Molnar2010-06-18
| |\ \ \ \ \ \ \ \ \ | | | |_|_|_|/ / / / | | |/| | | | | | | | | | | | | | | | | Merge reason: Go from -rc1 base to -rc3 base, merge in fixes.
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