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* Merge tag 'trace-3.13' of ↵Linus Torvalds2013-11-161-2/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing update from Steven Rostedt: "This batch of changes is mostly clean ups and small bug fixes. The only real feature that was added this release is from Namhyung Kim, who introduced "set_graph_notrace" filter that lets you run the function graph tracer and not trace particular functions and their call chain. Tom Zanussi added some updates to the ftrace multibuffer tracing that made it more consistent with the top level tracing. One of the fixes for perf function tracing required an API change in RCU; the addition of "rcu_is_watching()". As Paul McKenney is pushing that change in this release too, he gave me a branch that included all the changes to get that working, and I pulled that into my tree in order to complete the perf function tracing fix" * tag 'trace-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Add rcu annotation for syscall trace descriptors tracing: Do not use signed enums with unsigned long long in fgragh output tracing: Remove unused function ftrace_off_permanent() tracing: Do not assign filp->private_data to freed memory tracing: Add helper function tracing_is_disabled() tracing: Open tracer when ftrace_dump_on_oops is used tracing: Add support for SOFT_DISABLE to syscall events tracing: Make register/unregister_ftrace_command __init tracing: Update event filters for multibuffer recordmcount.pl: Add support for __fentry__ ftrace: Have control op function callback only trace when RCU is watching rcu: Do not trace rcu_is_watching() functions ftrace/x86: skip over the breakpoint for ftrace caller trace/trace_stat: use rbtree postorder iteration helper instead of opencoding ftrace: Add set_graph_notrace filter ftrace: Narrow down the protected area of graph_lock ftrace: Introduce struct ftrace_graph_data ftrace: Get rid of ftrace_graph_filter_enabled tracing: Fix potential out-of-bounds in trace_get_user() tracing: Show more exact help information about snapshot
| * recordmcount.pl: Add support for __fentry__Jamie Iles2013-11-051-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With gcc 4.6.0 the -mfentry feature places the function profiling call at the start of the function. When this is used, the call is to __fentry__ and not mcount. This is required for Ksplice as the C version of recordmcount doesn't insert section symbols for the __mcount_loc section so we fall back to the perl version. Based on 48bb5dc6cd9d30fe0d594947563da1f8bd9abada (ftrace: Make recordmcount.c handle __fentry__). Link: http://lkml.kernel.org/r/1383648129-10724-1-git-send-email-jamie.iles@oracle.com Signed-off-by: Jamie Iles <jamie.iles@oracle.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | Merge branch 'misc' of ↵Linus Torvalds2013-11-154-117/+12
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull misc kbuild changes from Michal Marek: - make tags fixes again - scripts/show_delta fix for newer python - scripts/kernel-doc does not fail on unknown function prototype - one less coccinelle check this time * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: scripts/tags.sh: remove obsolete __devinit[const|data] scripts/kernel-doc: make unknown function prototype a Warning instead of an Error show_delta: Update script to support python versions 2.5 through 3.3 scripts/coccinelle/api: remove devm_request_and_ioremap.cocci scripts/tags.sh: Increase identifier list
| * | scripts/tags.sh: remove obsolete __devinit[const|data]Michael Opdenacker2013-11-081-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This removes the use of __devinitconst and __devinitdata in scripts/tags.sh, which were removed in 3.8. Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | scripts/kernel-doc: make unknown function prototype a Warning instead of an ↵Randy Dunlap2013-11-061-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Error When scripts/kernel-doc cannot understand a function prototype, it had been generating a fatal error and stopping immediately. Make this a Warning instead of an Error and keep going. Note that this can happen if the kernel-doc notation that is being parsed is not actually a function prototype; maybe it's a struct or something else, so I added "function" to the warning message to try to make it clearer that scripts/kernel-doc is looking for a function prototype here. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Mark Brown <broonie@kernel.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | show_delta: Update script to support python versions 2.5 through 3.3Mike Pagano2013-10-231-6/+6
| | | | | | | | | | | | | | | | | | | | | Support past and active versions of python while maintaining backward compatibility. Script has been tested on python versions from 2.5.x up to and including 3.3.x. Signed-off-by: Mike Pagano <mpagano@gentoo.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | scripts/coccinelle/api: remove devm_request_and_ioremap.cocciWolfram Sang2013-10-231-105/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | Use of this function is discouraged in favour of devm_ioremap_resource(). Don't advertise it. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | scripts/tags.sh: Increase identifier listKirill Tkhai2013-10-231-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add __maybe_unused __always_unused __cacheline_aligned __cacheline_aligned_in_smp ACPI_EXPORT_SYMBOL to the list. Signed-off-by: Kirill Tkhai <tkhai@yandex.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | Merge branch 'kconfig' of ↵Linus Torvalds2013-11-157-39/+43
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kconfig changes from Michal Marek: - xconfig stores its setting in a meaningful path (~/.config/kernel.org/qconf.conf) - kconfig symbol search fix - documentation fixes - cleanup & comment update - fix warning when a kconfig symbol is defined with two different types - Yann is now officially listed as maintainer of kconfig, but he prefers me to send pull requests for now * 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: MAINTAINERS: New kconfig maintainer xconfig: Fix the filename for GUI settings kconfig: fix bug in search results string: use strlen(gstr->s), not gstr->len kconfig: remove unused definition from scanner kconfig: adjust warning message for conflicting types kconfig: fix trivial typos and update mconf documentation kconfig: add short explanation to SYMBOL_WRITE Documentation/kbuild/kconfig.txt: 'make listnewconfig' replaces: yes "" | make oldconfig
| * \ \ Merge branch 'yem/kconfig-for-next' of ↵Michal Marek2013-10-317-39/+43
| |\ \ \ | | |/ / | |/| | | | | | git://gitorious.org/linux-kconfig/linux-kconfig into kbuild/kconfig
| | * | xconfig: Fix the filename for GUI settingsBen Hutchings2013-10-082-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently the qconf program invoked by 'make xconfig' stores GUI settings in the file ~/.config/Unknown\ Organization.conf. This name is apparently generated by the QSettings class when no organisation or application name are specified. This is obviously not a sensible filename (nor does it seem sensible that these QSettings parameters are optional!). Pass the names 'kernel.org' and 'qconf', resuling in the filename ~/.config/kernel.org/qconf.conf. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Tested-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
| | * | kconfig: fix bug in search results string: use strlen(gstr->s), not gstr->lenMartin Walch2013-10-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The struct gstr has a capacity that may differ from the actual string length. However, a string manipulation in the function search_conf made the assumption that it is the same, which led to messing up some search results, especially when the content of the gstr in use had not yet reached at least 63 chars. Signed-off-by: Martin Walch <walch.martin@web.de> Acked-by: Wang YanQing <udknight@gmail.com> Acked-by: Benjamin Poirier <bpoirier@suse.de> Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
| | * | kconfig: remove unused definition from scannerMartin Walch2013-10-081-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The definition ws [ \n\t] is not used anywhere. Drop it to avoid confusion. As it is a dead definition, any changes in the resulting code generated by flex would be surprising (actually testing this showed that there are really no changes). So, there is no need to touch the existing zconf.lex.c_shipped. Signed-off-by: Martin Walch <walch.martin@web.de> Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: "Yann E. MORIN: <yann.morin.1998@free.fr>
| | * | kconfig: adjust warning message for conflicting typesMartin Walch2013-10-081-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Each symbol must have exactly one type assigned. However, if a symbol happens to have two different types assigned at runtime, a warning is printed and the first type is preserved while the second type is being ignored. The warning message says type of <symbol name> redefined from <first type> to <second type> which may be misleading as it may create the impression that the second type replaces the first type. This patch clarifies this by changing the warning to ignoring type redefinition of <symbol name> from <first type> to <second type> Signed-off-by: Martin Walch <walch.martin@web.de> Acked-by: Wang YanQing <udknight@gmail.com> Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
| | * | kconfig: fix trivial typos and update mconf documentationMartin Walch2013-10-083-33/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes lots of typos in comments and strings. It also updates the documentation strings in mconf to reflect the changes in the user interface from the two commits 6364fd0cb1e4c7f72b974613e0cf5744ae4d2cb2 menuconfig: Add Save/Load buttons 1bdbac478a858d2aa73a6784c7c2e09de0f6d06b menuconfig: Get rid of the top-level entries for "Load an Alternate/Save an Alternate" And it updates the layout of the example search result, i. e. moves down the "Defined at" and "Depends on" lines and adds a symbol state ([=n]) to the symbol in the "Selected by" line. Furthermore, the help texts now should fit in 80 columns again when viewed in mconf. Signed-off-by: Martin Walch <walch.martin@web.de> Reviewed-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Wang YanQing <udknight@gmail.com> Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
| | * | kconfig: add short explanation to SYMBOL_WRITEMartin Walch2013-10-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | replace the question mark in the comment after SYMBOL_WRITE with an explanation Signed-off-by: Martin Walch <walch.martin@web.de> Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
* | | | Merge branch 'kbuild' of ↵Linus Torvalds2013-11-153-4/+11
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kbuild changes from Michal Marek: - LTO fixes, but the kallsyms part had to be reverted - Pass -Werror=implicit-int and -Werror=strict-prototypes to the compiler by default - snprintf fix in modpost - remove GREP_OPTIONS from the environment to be immune against exotic grep option settings * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kallsyms: Revert back to 128 max symbol length Kbuild: Ignore GREP_OPTIONS env variable scripts: kallsyms: Use %zu to print 'size_t' scripts/bloat-o-meter: use .startswith rather than fragile slicing scripts/bloat-o-meter: ignore changes in the size of linux_banner kbuild: replace unbounded sprintf call in modpost kbuild, bloat-o-meter: fix static detection Kbuild: Handle longer symbols in kallsyms.c kbuild: Increase kallsyms max symbol length Makefile: enable -Werror=implicit-int and -Werror=strict-prototypes by default
| * | | | kallsyms: Revert back to 128 max symbol lengthMichal Marek2013-11-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commits f3462aa (Kbuild: Handle longer symbols in kallsyms.c) and eea0e9c (kbuild: Increase kallsyms max symbol length) except for the added overflow check. The reason is a regression caused by increasing the buffer: http://marc.info/?l=linux-kernel&m=138387700415675. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Joe Mario <jmario@redhat.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | scripts: kallsyms: Use %zu to print 'size_t'Fabio Estevam2013-11-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit f3462aa95 (Kbuild: Handle longer symbols in kallsyms.c) introduced the following warning on ARM: scripts/kallsyms.c:121:4: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'size_t' [-Wformat] Use %zu to print 'size_t'. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | scripts/bloat-o-meter: use .startswith rather than fragile slicingJosh Triplett2013-11-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | str.startswith has existed since at least Python 2.0, in 2000; use it rather than a fragile comparison against an initial slice of a string, which requires hard-coding the length of the string to compare against. Signed-off-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | scripts/bloat-o-meter: ignore changes in the size of linux_bannerJosh Triplett2013-11-071-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | linux_banner can change size due to changes in the compiler, build number, or the user@host the system was compiled on; ignore size changes in linux_banner entirely. Signed-off-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | kbuild: replace unbounded sprintf call in modpostKees Cook2013-11-061-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The modpost tool could overflow its stack buffer if someone was running with an insane shell environment. Regardless, it's technically a bug, so this fixes it to truncate the string instead of seg-faulting. Found by Coverity. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | kbuild, bloat-o-meter: fix static detectionAndi Kleen2013-11-061-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Disable static detection: the static currently drops a lot of useful information including clones generated by gcc. Drop this. The statics will appear now without static. prefix. But remove the LTO .NUMBER postfixes that look ugly Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | Kbuild: Handle longer symbols in kallsyms.cAndi Kleen2013-11-061-1/+7
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | Also warn for too long symbols v2: Add missing newline. Use 255 max (Joe Perches) Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | | Merge tag 'modules-next-for-linus' of ↵Linus Torvalds2013-11-152-5/+21
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux Pull module updates from Rusty Russell: "Mainly boring here, too. rmmod --wait finally removed, though" * tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: modpost: fix bogus 'exported twice' warnings. init: fix in-place parameter modification regression asmlinkage, module: Make ksymtab and kcrctab symbols and __this_module __visible kernel: add support for init_array constructors modpost: Optionally ignore secondary errors seen if a single module build fails module: remove rmmod --wait option.
| * | | | modpost: fix bogus 'exported twice' warnings.Rusty Russell2013-11-071-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Andi's change in e0f244c63fc9 ("asmlinkage, module: Make ksymtab and kcrctab symbols and __this_module __visible") make the crc appear first in the symbol table. modpost creates an entry when it sees the CRC, then when it sees the actual symbol, it complains that it's seen it before. The preloaded flag already exists for the equivalent case where we loaded from Module.symvers, so use that. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Tested-by: The Awesome Power Of linux-next Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| * | | | asmlinkage, module: Make ksymtab and kcrctab symbols and __this_module __visibleAndi Kleen2013-10-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the ksymtab symbols for EXPORT_SYMBOL visible. This prevents the LTO compiler from adding a .NUMBER prefix, which avoids various problems in later export processing. Cc: rusty@rustcorp.com.au Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
| * | | | modpost: Optionally ignore secondary errors seen if a single module build failsGuenter Roeck2013-09-232-2/+15
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit ea4054a23 (modpost: handle huge numbers of modules) added support for building a large number of modules. Unfortunately, the commit changed the semantics of the makefile: Instead of passing only existing object files to modpost, make now passes all expected object files. If make was started with option -i, this results in a modpost error if a single file failed to build. Example with the current btrfs build falure on m68k: fs/btrfs/btrfs.o: No such file or directory make[1]: [__modpost] Error 1 (ignored) This error is followed by lots of errors such as: m68k-linux-gcc: error: arch/m68k/emu/nfcon.mod.c: No such file or directory m68k-linux-gcc: fatal error: no input files compilation terminated. make[1]: [arch/m68k/emu/nfcon.mod.o] Error 1 (ignored) This doesn't matter much for normal builds, but it is annoying for builds started with "make -i" due to the large number of secondary errors. Those errors unnececessarily clog any error log and make it difficult to find the real errors in the build. Fix the problem by adding a new parameter '-n' to modpost. If this parameter is specified, modpost reports but ignores missing object files. With this patch, error output from above problem is (with make -i): m68k-linux-ld: cannot find fs/btrfs/ioctl.o: No such file or directory make[2]: [fs/btrfs/btrfs.o] Error 1 (ignored) ... fs/btrfs/btrfs.o: No such file or directory (ignored) Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Michael Marek <mmarek@suse.cz> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* | | | kernel-doc: improve "no structured comments found" errorJohannes Berg2013-11-132-5/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When using '!Ffile function' in a docbook template, and the function no longer exists, you get a "no structured comments found" error from the kernel-doc processing script. It's useful to know which functions it was looking for, so print them out in this case. Also do the same for '!Pfile doc-section' The same error also happens when using '!Efile' when some exported functions aren't documented (in the same file.) There's a very large number of such functions though, so don't print the message in this case -- right now it would give ~850 messages. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Cc: Rob Landley <rob@landley.net> Cc: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | initramfs: read CONFIG_RD_ variables for initramfs compressionP J P2013-11-131-6/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When expert configuration option(CONFIG_EXPERT) is enabled, menuconfig offers a choice of compression algorithm to compress initial ramfs image; This choice is stored into CONFIG_RD_* variables. But usr/Makefile uses earlier INITRAMFS_COMPRESSION_* macros to build initial ramfs file. Since none of them is defined, resulting 'initramfs_data.cpio' file remains un-compressed. This patch updates the Makefile to use CONFIG_RD_* variables and adds support for LZ4 compression algorithm. Also updates the 'gen_initramfs_list.sh' script to check whether a selected compression command is accessible or not. And fall-back to default gzip(1) compression when it is not. Signed-off-by: P J P <prasad@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: add check for sscanf without return useJoe Perches2013-11-131-0/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Naked use sscanf can be troublesome because the pointed to variables may not have been set. Add a warning when the sscanf return value is not used. For now, do not add __must_check to the sscanf prototype because that will cause a couple of hundred new warnings when compiling a kernel. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: don't require kernel style __attribute__ shortcuts in uapi pathsJoe Perches2013-11-131-7/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Avoid prescribing kernel styled shortcuts for gcc extensions of __attribute__((foo)) in the uapi include paths. Fix $realfile filename when using -f/--file to not remove first level directory as if the filename was used in a -P1 patch. Only strip the first level directory (typically a or b) for P1 patches. Signed-off-by: Joe Perches <joe@perches.com> Cc: "Dixit, Ashutosh" <ashutosh.dixit@intel.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: improve "return is not a function" testJoe Perches2013-11-131-14/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Find a few more cases where parentheses are used around the value of a return statement. This now uses the "$balanced_parens" test and also makes the test depend on perl v5.10 and higher. This now finds return with parenthesis uses the old code did not find like: ERROR: return is not a function, parentheses are not required #211: FILE: arch/m68k/include/asm/sun3xflop.h:211: + return ((error == 0) ? 0 : -1); Signed-off-by: Joe Perches <joe@perches.com> Tested-by: David Cohen <david.a.cohen@linux.intel.com> Acked-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch.pl: check for the FSF mailing addressJosh Triplett2013-11-131-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Kernel maintainers reject new instances of the GPL boilerplate paragraph directing people to write to the FSF for a copy of the GPL, since the FSF has moved in the past and may do so again. Make this an error for new code, but just a --strict CHK in --file mode; anyone interested in doing tree-wide cleanups of this form can enable this test explicitly. Signed-off-by: Josh Triplett <josh@joshtriplett.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: make the memory barrier test noisierJoe Perches2013-11-131-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Peter Zijlstra prefers that comments be required near uses of memory barriers. Change the message level for memory barrier uses from a --strict test only to a normal WARN so it's always emitted. This might produce false positives around insertions of memory barriers when a comment is outside the patch context block. And checkpatch is still stupid, it only looks for existence of any comment, not at the comment content. Signed-off-by: Joe Perches <joe@perches.com> Suggested-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Oliver Neukum <oliver@neukum.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: add rules to check init attribute and const defectsJoe Perches2013-11-131-2/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | People get this regularly wrong and it breaks the LTO builds, as it causes a section attribute conflict. Add --fix capability too. Based on a patch from Andi Kleen. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andi Kleen <ak@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: add test for #defines of ARCH_HAS_<foo>Joe Perches2013-11-131-8/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a test for these #defines Additionally, moved string_find_replace sub as it screws up subsequent formatting when placed inside another sub. Signed-off-by: Joe Perches <joe@perches.com> Suggested-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: find CamelCase definitions of struct/union/enumJoe Perches2013-11-131-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Checkpatch doesn't currently find CamelCase definitions of structs, unions or enums. Add that ability. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: update seq_<foo> testsJoe Perches2013-11-131-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | seq_vprintf, seq_printf and seq_puts are logging functions and should be allowed to exceed the maximium line length. Add maximum line length exceptions for these functions. Also, suggesting seq_printf conversions to seq_puts should be tested for arguments after the format. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: extend CamelCase types and ignore existing CamelCase uses in a patchJoe Perches2013-11-131-2/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Extend the CamelCase words found to include structure members. In https://lkml.org/lkml/2013/9/3/318 Sarah Sharp (mostly) wrote: "In general, if checkpatch.pl complains about a variable a patch introduces that's CamelCase, you should pay attention to it. Otherwise, [] ignore it." So, if checking a patch, scan the original patched file if it's available and add any preexisting CamelCase types so reuses do not generate CamelCase messages. That also means Andrew's not so cruelly spurned anymore. https://lkml.org/lkml/2013/2/22/426 Signed-off-by: Joe Perches <joe@perches.com> Suggested-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Suggested-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | checkpatch: report missing spaces around trigraphs with --strictJoe Perches2013-11-131-9/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Spaces around trigraphs are specified by CodingStyle but checkpatch is currently silent about them because there are many current instances without them. Make missing spaces around trigraphs a --strict message. Signed-off-by: Joe Perches <joe@perches.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | scripts/mod/modpost.c: handle non ABS crc symbolsAndi Kleen2013-11-131-8/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For some reason I managed to trick gcc into create CRC symbols that are not absolute anymore, but weak. Make modpost handle this case. Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | | | scripts/sortextable: support objects with more than 64K sections.Jamie Iles2013-11-132-3/+47
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Building with a large config and -ffunction-sections results in a large number of sections and sortextable needs to be able to handle that. Implement support for > 64K sections as modpost does. Signed-off-by: Jamie Iles <jamie.iles@oracle.com> 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>
* | | | perf tools: Fix version when building out of treeDavid Ahern2013-11-071-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When building perf out of tree: $ make perf-tar-src-pkg $ tar -xf perf-<ver>.tar -C /tmp $ cd /tmp/perf<ver> $ make -C tools/perf you get this warning message: make[1]: *** No rule to make target `kernelversion'. Stop. Fix it by saving the perf version in the tar file and using that for the out of tree builds. v2: removed short form request and fixed up version string from usual output. Signed-off-by: David Ahern <dsahern@gmail.com> Suggested-by: Ingo Molnar <mingo@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/1383753335-25782-1-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | | | scripts/kallsyms: filter symbols not in kernel address spaceMing Lei2013-11-012-1/+13
| |_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch uses CONFIG_PAGE_OFFSET to filter symbols which are not in kernel address space because these symbols are generally for generating code purpose and can't be run at kernel mode, so we needn't keep them in /proc/kallsyms. For example, on ARM there are some symbols which may be linked in relocatable code section, then perf can't parse symbols any more from /proc/kallsyms, this patch fixes the problem (introduced b9b32bf70f2fb710b07c94e13afbc729afe221da) Cc: Russell King <linux@arm.linux.org.uk> Cc: linux-arm-kernel@lists.infradead.org Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: stable@vger.kernel.org
* | | checkpatch: make extern in .h prototypes quieterJoe Perches2013-09-251-2/+2
|/ / | | | | | | | | | | | | | | | | | | | | | | The use of extern in .h files is a bit contentious. Make the warning be emitted only when --strict is used on the command line. Signed-off-by: Joe Perches <joe@perches.com> Cc: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'kconfig' of ↵Linus Torvalds2013-09-131-1/+1
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kconfig fix from Michal Marek: "This is a fix for a regression caused by my previous pull request. A sed command in scripts/config that used colons as separator was accidentally changed to use slashes, which fails when you use slashes in a value. Changing it back to colons is of course not a proper fix, but at least it will be broken in the same way it had been for four years. A proper fix is pending" * 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: scripts/config: fix variable substitution command
| * scripts/config: fix variable substitution commandClement Chauplannaz2013-09-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | Commit 229455bc02b87f7128f190c4491b4ceffff38648 accidentally changed the separator between sed `s' command and its parameters from ':' to '/'. Revert this change. Reported-and-tested-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Clement Chauplannaz <chauplac@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds2013-09-131-0/+21
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull MIPS updates from Ralf Baechle: "This has been sitting in -next for a while with no objections and all MIPS defconfigs except one are building fine; that one platform got broken by another patch in your tree and I'm going to submit a patch separately. - a handful of fixes that didn't make 3.11 - a few bits of Octeon 3 support with more to come for a later release - platform enhancements for Octeon, ath79, Lantiq, Netlogic and Ralink SOCs - a GPIO driver for the Octeon - some dusting off of the DECstation code - the usual dose of cleanups" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (65 commits) MIPS: DMA: Fix BUG due to smp_processor_id() in preemptible code MIPS: kexec: Fix random crashes while loading crashkernel MIPS: kdump: Skip walking indirection page for crashkernels MIPS: DECstation HRT calibration bug fixes MIPS: Export copy_from_user_page() (needed by lustre) MIPS: Add driver for the built-in PCI controller of the RT3883 SoC MIPS: DMA: For BMIPS5000 cores flush region just like non-coherent R10000 MIPS: ralink: Add support for reset-controller API MIPS: ralink: mt7620: Add cpu-feature-override header MIPS: ralink: mt7620: Add spi clock definition MIPS: ralink: mt7620: Add wdt clock definition MIPS: ralink: mt7620: Improve clock frequency detection MIPS: ralink: mt7620: This SoC has EHCI and OHCI hosts MIPS: ralink: mt7620: Add verbose ram info MIPS: ralink: Probe clocksources from OF MIPS: ralink: Add support for systick timer found on newer ralink SoC MIPS: ralink: Add support for periodic timer irq MIPS: Netlogic: Built-in DTB for XLP2xx SoC boards MIPS: Netlogic: Add support for USB on XLP2xx MIPS: Netlogic: XLP2xx update for I2C controller ...
| * | kbuild: Add MIPS specific files to generated package.Stuart Longland2013-08-261-0/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A lot of 64-bit systems supported by Linux/MIPS have boot firmware or bootloaders that only understand 32-bit ELF files, and as such, the vmlinux.32 target exists to support these systems. Therefore, it'd be nice if the tar-pkg target recognised this, and included the right version when packaging up a binary of the kernel. This updates buildtar to support MIPS targets. MIPS may use 'vmlinux' or 'vmlinux.32' depending on the target system. This uses 'vmlinux.32' in preference to 'vmlinux' where present (although I should check which is newer), including either file as /boot/vmlinux-${version}. Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1673/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 08:11:10 +0100