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* Merge branch 'tracing-for-linus' of ↵Linus Torvalds2009-06-102-3/+25
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (244 commits) Revert "x86, bts: reenable ptrace branch trace support" tracing: do not translate event helper macros in print format ftrace/documentation: fix typo in function grapher name tracing/events: convert block trace points to TRACE_EVENT(), fix !CONFIG_BLOCK tracing: add protection around module events unload tracing: add trace_seq_vprint interface tracing: fix the block trace points print size tracing/events: convert block trace points to TRACE_EVENT() ring-buffer: fix ret in rb_add_time_stamp ring-buffer: pass in lockdep class key for reader_lock tracing: add annotation to what type of stack trace is recorded tracing: fix multiple use of __print_flags and __print_symbolic tracing/events: fix output format of user stack tracing/events: fix output format of kernel stack tracing/trace_stack: fix the number of entries in the header ring-buffer: discard timestamps that are at the start of the buffer ring-buffer: try to discard unneeded timestamps ring-buffer: fix bug in ring_buffer_discard_commit ftrace: do not profile functions when disabled tracing: make trace pipe recognize latency format flag ...
| * Merge branch 'linus' into tracing/coreIngo Molnar2009-05-0736-76/+11238
| |\ | | | | | | | | | | | | | | | | | | Merge reason: tracing/core was on a .30-rc1 base and was missing out on on a handful of tracing fixes present in .30-rc5-almost. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | ftrace: use .sched.text, not .text.sched in recordmcount.plTim Abbott2009-05-051-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The only references in the kernel to the .text.sched section are in recordmcount.pl. Since the code it has is intended to be example code it should refer to real kernel sections. So change it to .sched.text instead. [ Impact: consistency in comments ] Signed-off-by: Tim Abbott <tabbott@mit.edu> LKML-Reference: <1241136371-10768-1-git-send-email-tabbott@mit.edu> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | kerneldoc, tracing: make kernel-doc understand TRACE_EVENT() macro (take #2)Jason Baron2009-05-011-0/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support to kernel-doc for tracepoint comments above TRACE_EVENT() macro definitions. Paves the way for tracepoint docbook. [ Impact: extend DocBook infrastructure ] Signed-off-by: Jason Baron <jbaron@redhat.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: akpm@linux-foundation.org Cc: rostedt@goodmis.org Cc: fweisbec@gmail.com Cc: mathieu.desnoyers@polymtl.ca Cc: wcohen@redhat.com LKML-Reference: <d80706b6797e277924d2f3ec9af176c6b2951f88.1241107197.git.jbaron@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | | Merge branch 'x86-kbuild-for-linus' of ↵Linus Torvalds2009-06-102-17/+21
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-kbuild-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (46 commits) x86, boot: add new generated files to the appropriate .gitignore files x86, boot: correct the calculation of ZO_INIT_SIZE x86-64: align __PHYSICAL_START, remove __KERNEL_ALIGN x86, boot: correct sanity checks in boot/compressed/misc.c x86: add extension fields for bootloader type and version x86, defconfig: update kernel position parameters x86, defconfig: update to current, no material changes x86: make CONFIG_RELOCATABLE the default x86: default CONFIG_PHYSICAL_START and CONFIG_PHYSICAL_ALIGN to 16 MB x86: document new bzImage fields x86, boot: make kernel_alignment adjustable; new bzImage fields x86, boot: remove dead code from boot/compressed/head_*.S x86, boot: use LOAD_PHYSICAL_ADDR on 64 bits x86, boot: make symbols from the main vmlinux available x86, boot: determine compressed code offset at compile time x86, boot: use appropriate rep string for move and clear x86, boot: zero EFLAGS on 32 bits x86, boot: set up the decompression stack as early as possible x86, boot: straighten out ranges to copy/zero in compressed/head*.S x86, boot: stylistic cleanups for boot/compressed/head_64.S ... Fixed trivial conflict in arch/x86/configs/x86_64_defconfig manually
| * | | kbuild: allow compressors (gzip, bzip2, lzma) to take multiple inputsH. Peter Anvin2009-05-082-17/+21
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow the compression commands in Kbuild (i.e. gzip, bzip2, lzma) to take multiple input files and emit the concatenated compressed output. This avoids an intermediate step when a kernel image is built from multiple components, such as the relocatable x86-32 kernel. Sam Ravnborg integrated the bin_size script into the Makefile. [ Impact: new build feature, not yet used ] Signed-off-by: H. Peter Anvin <hpa@zytor.com> Acked-by: Sam Ravnborg <sam@ravnborg.org>
* | | Fix scripts/setlocalversion with tagged git commitNico Schottelius2009-05-191-7/+23
| |/ |/| | | | | | | | | | | | | | | Produce correct output for - tagged commit (v2.6.30-rc6) - past tagged commit (v2.6.30-rc5-299-g7c7327d) - no tag Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | kbuild, modpost: fix unexpected non-allocatable warning with mipsSam Ravnborg2009-05-041-1/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | mips emit the following debug sections: .mdebug* and .pdr They were included in the check for non-allocatable section and caused modpost to warn. Manuel Lauss suggested to fix this by adding the relevant sections to the list of sections we do not check. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Reported-by: Manuel Lauss <mano@roarinelk.homelinux.net>
* | kbuild, modpost: fix "unexpected non-allocatable" warning with SUSE gccSam Ravnborg2009-05-041-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Jean reported that he saw one warning for each module like the one below: WARNING: arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.o (.comment.SUSE.OPTs): unexpected non-allocatable section. The warning appeared with the improved version of the check of the flags in the sections. That check already ignored sections named ".comment" - but SUSE store additional info in the comment section and has named it in a SUSE specific way. Therefore modpost failed to ignore the section. The fix is to extend the pattern so we ignore all sections that start with the name ".comment.". Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Reported-by: Jean Delvare <khali@linux-fr.org> Tested-by: Jean Delvare <khali@linux-fr.org>
* | kbuild, modpost: fix unexpected non-allocatable section when cross compilingAnders Kaseorg2009-05-041-12/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The missing TO_NATIVE(sechdrs[i].sh_flags) was causing many unexpected non-allocatable section warnings when cross-compiling for an architecture with a different endianness. Fix endianness of all the fields in the ELF header and section headers, not just some of them so we are not hit by this anohter time. Signed-off-by: Anders Kaseorg <andersk@mit.edu> Reported-by: Sean MacLennan <smaclennan@pikatech.com> Tested-by: Sean MacLennan <smaclennan@pikatech.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* | Move dtc and libfdt sources from arch/powerpc/boot to scripts/dtcDavid Gibson2009-05-0230-0/+11162
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The powerpc kernel always requires an Open Firmware like device tree to supply device information. On systems without OF, this comes from a flattened device tree blob. This blob is usually generated by dtc, a tool which compiles a text description of the device tree into the flattened format used by the kernel. Sometimes, the bootwrapper makes small changes to the pre-compiled device tree blob (e.g. filling in the size of RAM). To do this it uses the libfdt library. Because these are only used on powerpc, the code for both these tools is included under arch/powerpc/boot (these were imported and are periodically updated from the upstream dtc tree). However, the microblaze architecture, currently being prepared for merging to mainline also uses dtc to produce device tree blobs. A few other archs have also mentioned some interest in using dtc. Therefore, this patch moves dtc and libfdt from arch/powerpc into scripts, where it can be used by any architecture. The vast bulk of this patch is a literal move, the rest is adjusting the various Makefiles to use dtc and libfdt correctly from their new locations. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'master' of ↵Linus Torvalds2009-05-023-41/+29
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes * 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes: kbuild, modpost: Check the section flags, to catch missing "ax"/"aw" kbuild: fix comment in modpost.c kbuild: fix scripts/setlocalversion with git kbuild: fix Module.markers permission error under cygwin docs: also clean index.html kbuild: remove a tag file before it is regenerated kbuild: "make prepare" should be "make modules_prepare" kbuild: clean Module.markers and modules.order for out-of-tree modules avr32: drop unused CLEAN_FILES
| * | kbuild, modpost: Check the section flags, to catch missing "ax"/"aw"Anders Kaseorg2009-05-011-32/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When you put .section ".foo" in an assembly file instead of .section "foo", "ax" , one of the possible symptoms is that modpost will see an ld-generated section name ".foo.1" in section_rel() or section_rela(). But this heuristic has two problems: it will miss a bad section that has no relocations, and it will incorrectly flag many gcc-generated sections as bad when compiling with -ffunction-sections -fdata-sections. On mips it fixes a lot of bogus warnings with gcc 4.4.0 lije this one: WARNING: crypto/cryptd.o (.text.T.349): unexpected section name. So instead of checking whether the section name matches a particular pattern, we directly check for a missing SHF_ALLOC in the section flags. Signed-off-by: Anders Kaseorg <andersk@mit.edu> Tested-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * | kbuild: fix comment in modpost.cSam Ravnborg2009-05-011-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | There is some confusion on naming of the head section. Correct naming is .head.text. Fix comment so we use correct naming. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * | kbuild: fix scripts/setlocalversion with gitNico Schottelius2009-05-011-7/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When using trees like wireless-testing, which have untagged tags, scripts/setlocalversion does not display any git indication for localversion. This patch fixes it: If git is available, but no usable tag is found, it uses -g${head}. It skips the detection of unanottated tags via git name-rev. Signed-off-by: Nico Schottelius <nico@ikn.schottelius.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * | kbuild: fix Module.markers permission error under cygwinCedric Hombourger2009-05-011-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While building the kernel, we end-up calling modpost with -K and -M options for the same file (Modules.markers). This is resulting in modpost's main function calling read_markers() and then write_markers() on the same file. We then have read_markers() mmap'ing the file, and writer_markers() opening that same file for writing. The issue is that read_markers() exits without munmap'ing the file and is as a matter holding a reference on Modules.markers. When write_markers() is opening that very same file for writing, we still have a reference on it and cygwin (Windows?) is then making fopen() fail with EPERM. Calling release_file() before exiting read_markers() clears that reference (and memory leak) and fopen() then succeeds. Tested on both cygwin (1.3.22) and Linux. Also ran modpost within valgrind on Linux to make sure that the munmap'ed file was not accessed after read_markers() Signed-off-by: Cedric Hombourger <chombourger@gmail.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * | kbuild: remove a tag file before it is regeneratedMatt Kraai2009-05-011-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | If a tag file is not removed before it is regenerated, the newly generated data is appended to the old, which preserves stale data and makes the tag file grow over time. Signed-off-by: Matt Kraai <kraai@ftbfs.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* | | kernel-doc: restrict syntax for private: and public:Randy Dunlap2009-05-021-3/+4
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | scripts/kernel-doc can (incorrectly) delete struct members that are surrounded by /* ... */ <struct members> /* ... */ if there is a /* private: */ comment in there somewhere also. Fix that by making the "/* private:" only allow whitespace between /* and "private:", not anything/everything in the world. This fixes some erroneous kernel-doc warnings that popped up while processing include/linux/usb/composite.h. 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>
* | Remove unused support code for refok sections.Tim Abbott2009-04-271-18/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The old refok sections .text.init.refok .data.init.refok .exit.text.refok have been deprecated since commit 312b1485fb509c9bc32eda28ad29537896658cb8. After the other patches in this patch series nothing is put in these sections, so clean things up by eliminating all the remaining references to them. Signed-off-by: Tim Abbott <tabbott@mit.edu> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | kbuild: introduce subdir-ccflags-ySam Ravnborg2009-04-192-2/+10
|/ | | | | | | | | | | | | | | | | | | | | Following patch introduce support for setting options to gcc that has effect for current directory and all subdirectories. The typical use case are an architecture or a subsystem that decide to cover all files with -Werror. Today alpha, mips and sparc uses -Werror in almost all their Makefile- with subdir-ccflag-y it is now simpler to do so as only the top-level directories needs to be covered. Likewise if we decide to cover a full subsystem such as net/ with -Werror this is done by adding a single line to net/Makefile. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixesLinus Torvalds2009-04-136-5/+11
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes: docbook: make cleandocs kbuild: fix spurious initramfs rebuild Documentation: explain the difference between __bitwise and __bitwise__ kbuild: make it possible for the linker to discard local symbols from vmlinux kbuild: remove pointless strdup() on arguments passed to new_module() in modpost kbuild: fix a few typos in top-level Makefile kbuild: introduce destination-y for exported headers kbuild: use git svn instead of git-svn in setlocalversion kconfig: fix update-po-config to accect backslash in input kbuild: fix option processing for -I in headerdep
| * kbuild: fix spurious initramfs rebuildMaxime Bizon2009-04-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When gen_initramfs_list is used to generate make dependencies, it includes symbolic links, for which make tracks the link target. Any change to that target will cause an initramfs rebuild, even if the symlink points to something outside of the initramfs directory. If the target happens to be /tmp, the rebuild occurs for each kernel build, since gen_initramfs_list uses mktemp... Proposed way to fix it is to omit symbolic links from generated dependencies, but this has a small drawback: changing perm/owner on a symlink will go unnoticed. Signed-off-by: Maxime Bizon <mbizon@freebox.fr> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: remove pointless strdup() on arguments passed to new_module() in modpostJan Beulich2009-04-111-2/+2
| | | | | | | | | | | | | | new_module() itself already calls strdup() on its modname parameter. Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: introduce destination-y for exported headersSam Ravnborg2009-04-111-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | xtensa and arm have asked for a possibility to export headers and locate them in a specific directory when exported. Introduce destiantion-y to support this. This patch in additiona adds some limited documentation for the variables used for exported headers. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Oskar Schirmer <os@emlix.com> Cc: Mikael Starvik <mikael.starvik@axis.com>
| * kbuild: use git svn instead of git-svn in setlocalversionPeter Korsgaard2009-04-111-1/+1
| | | | | | | | | | | | | | Use the correct git <subcmd> syntax instead of the deprecated git-<subcmd>. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kconfig: fix update-po-config to accect backslash in inputSam Ravnborg2009-04-111-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Massimo Maiurana reported (slightly edited): ===== In latest 2.6.29 "make update-po-config" fails at msguniq invocation with an "invalid control sequence" error. The offending string is the following, and it's located in drivers/staging/panel/Kconfig:72: "'\e[L' which are specific to the LCD, and a few ANSI codes. The" looks to me like gettext expects strings in printf format, so in this case it thinks "\e" is a control sequence but doesn't recognise it as a valid one. A valid solution would be to tell kxgettext to automatically escape this kind of strings in the */config.pot he produces, so that msguniq would not complain. ===== This patch implements the suggested escaping. Reported-by: Massimo Maiurana <maiurana@gmail.com> Tested-by: Massimo Maiurana <maiurana@gmail.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
| * kbuild: fix option processing for -I in headerdepUwe Kleine-König2009-04-111-1/+1
| | | | | | | | | | | | | | | | | | -I takes an argument. Without this change only a 1 is added to @opt_include which is not helpful. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Vegard Nossum <vegard.nossum@gmail.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
* | Merge branch 'gm_20090410' of git://repo.or.cz/linux-2.6/trivial-modsLinus Torvalds2009-04-131-0/+515
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'gm_20090410' of git://repo.or.cz/linux-2.6/trivial-mods: MAINTAINERS - Update MN10300 patterns MAINTAINERS - Update frv arch patterns scripts/get_maintainer.pl - Allow multiple files on command line MAINTAINERS - Update Freescale sound patterns MAINTAINERS - Add additional patterns MAINTAINERS - Add missing "/" to some pattern directories MAINTAINERS - Update DRIVER CORE patterns MAINTAINERS - Update M68K patterns MAINTAINERS - Coalesce sections "DVB" and "Video for Linux" MAINTAINERS - Remove cyblafb frame buffer no longer in tree MAINTAINERS - Remove x86/Voyager no longer in tree MAINTAINERS - Update FPU Emulator contact address and web page MAINTAINERS - i2c_tiny_usb T: should be W: MAINTAINERS - Add Linus Torvalds' git MAINTAINERS - standardize "T: git urls" MAINTAINERS - Remove HP Fibre Channel HBA no longer in tree MAINTAINERS - Standardize style MAINTAINERS - Add file patterns Add scripts/get_maintainer.pl Acked-by: Pavel Machek <pavel@ucw.cz> Acked-by: Andrew Morton <akpm@linux-foundation.org>
| * | scripts/get_maintainer.pl - Allow multiple files on command lineJoe Perches2009-04-101-44/+41
| | | | | | | | | | | | | | | | | | | | | | | | Improve handling of "by:" signoffs Sorting and frequency checks are done by name/email, not by "by:" tag. Signed-off-by: Joe Perches <joe@perches.com>
| * | Add scripts/get_maintainer.plJoe Perches2009-04-101-0/+518
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A script to parse file pattern information in MAINTAINERS and return selected information about a file or patch usage: scripts/get_maintainer.pl [options] patchfile scripts/get_maintainer.pl [options] -f file version: 0.14 MAINTAINERS field selection options: --email => print email address(es) if any --git => include git "*-by:" signers in commit count order --git-chief-penguins => include (Linus Torvalds) --git-min-signatures => number of signatures required (default: 1) --git-max-maintainers => maximum maintainers to add (default: 5) --git-since => git history to use (default: 1-year-ago) --m => include maintainer(s) if any --n => include name 'Full Name <addr@domain.tld>' --l => include list(s) if any --s => include subscriber only list(s) if any --scm => print SCM tree(s) if any --status => print status if any --subsystem => print subsystem name if any --web => print website(s) if any Output type options: --separator [, ] => separator for multiple entries on 1 line --multiline => print 1 entry per line Default options: [--email --git --m --n --l --multiline] Other options: --version => show version --help => show this help information Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Pavel Machek <pavel@ucw.cz>
* | Merge git://git.infradead.org/~dwmw2/firmware-2.6Linus Torvalds2009-04-103-271/+1
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | * git://git.infradead.org/~dwmw2/firmware-2.6: qla1280: Fix off-by-some error in firmware loading. Add README.AddingFirmware file. Basically telling people not to. firmware: Remove newly-added slicoss and sxg firmware images firmware/WHENCE: Add missing origin information for Ambassador atmsar11.fw ALSA: wavefront - Always use request_firmware() Remove fdump tool for av7110 firmware firmware: convert av7110 driver to request_firmware() Partially revert "V4L/DVB (9533): cx88: Add support for TurboSight TBS8910 DVB-S PCI card" Revert "fix modules_install via NFS" Add-add conflicts in firmware/WHENCE fixed manually
| * Revert "fix modules_install via NFS"David Woodhouse2009-04-063-271/+1
| | | | | | | | | | | | | | | | | | | | This reverts commit 8b249b6856f16f09b0e5b79ce5f4d435e439b9d6. This 'fix' is not necessary; we just need to undo the damage caused accidentally by Igor/Mauro in 4b29631db33292d416dc395c56122ea865e7635c ("V4L/DVB (9533): cx88: Add support for TurboSight TBS8910 DVB-S PCI card") Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* | Merge branch 'tracing-fixes-for-linus' of ↵Linus Torvalds2009-04-071-0/+0
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: branch tracer, intel-iommu: fix build with CONFIG_BRANCH_TRACER=y branch tracer: Fix for enabling branch profiling makes sparse unusable ftrace: Correct a text align for event format output Update /debug/tracing/README tracing/ftrace: alloc the started cpumask for the trace file tracing, x86: remove duplicated #include ftrace: Add check of sched_stopped for probe_sched_wakeup function-graph: add proper initialization for init task tracing/ftrace: fix missing include string.h tracing: fix incorrect return type of ns2usecs() tracing: remove CALLER_ADDR2 from wakeup tracer blktrace: fix pdu_len when tracing packet command requests blktrace: small cleanup in blk_msg_write() blktrace: NUL-terminate user space messages tracing: move scripts/trace/power.pl to scripts/tracing/power.pl
| * tracing: move scripts/trace/power.pl to scripts/tracing/power.plLai Jiangshan2009-04-011-0/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Cleanup We use scripts/tracing/ to contain tracing scripts. Use one directory only instead of two. Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Steven Rostedt <srostedt@redhat.com> LKML-Reference: <49D06B9C.3070209@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | Merge branch 'tracing-for-linus' of ↵Linus Torvalds2009-04-053-11/+96
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (413 commits) tracing, net: fix net tree and tracing tree merge interaction tracing, powerpc: fix powerpc tree and tracing tree interaction ring-buffer: do not remove reader page from list on ring buffer free function-graph: allow unregistering twice trace: make argument 'mem' of trace_seq_putmem() const tracing: add missing 'extern' keywords to trace_output.h tracing: provide trace_seq_reserve() blktrace: print out BLK_TN_MESSAGE properly blktrace: extract duplidate code blktrace: fix memory leak when freeing struct blk_io_trace blktrace: fix blk_probes_ref chaos blktrace: make classic output more classic blktrace: fix off-by-one bug blktrace: fix the original blktrace blktrace: fix a race when creating blk_tree_root in debugfs blktrace: fix timestamp in binary output tracing, Text Edit Lock: cleanup tracing: filter fix for TRACE_EVENT_FORMAT events ftrace: Using FTRACE_WARN_ON() to check "freed record" in ftrace_release() x86: kretprobe-booster interrupt emulation code fix ... Fix up trivial conflicts in arch/parisc/include/asm/ftrace.h include/linux/memory.h kernel/extable.c kernel/module.c
| * \ Merge branch 'tracing/core-v2' into tracing-for-linusIngo Molnar2009-04-023-11/+96
| |\ \ | | |/ | | | | | | | | | | | | | | | | | | Conflicts: include/linux/slub_def.h lib/Kconfig.debug mm/slob.c mm/slub.c
| | * kallsyms, tracing: output more proper symbol nameLai Jiangshan2009-03-141-0/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: bugfix, output more reliable symbol lookup result Debug tools(dump_stack(), ftrace...) are like to print out symbols. But it is always print out the first aliased symbol.(Aliased symbols are symbols with the same address), and the first aliased symbol is sometime not proper. # echo function_graph > current_tracer # cat trace ...... 1) 1.923 us | select_nohz_load_balancer(); 1) + 76.692 us | } 1) | default_idle() { 1) ==========> | __irqentry_text_start() { 1) 0.000 us | native_apic_mem_write(); 1) | irq_enter() { 1) 0.000 us | idle_cpu(); 1) | tick_check_idle() { 1) 0.000 us | tick_check_oneshot_broadcast(); 1) | tick_nohz_stop_idle() { ...... It's very embarrassing, it ouputs "__irqentry_text_start()", actually, it should output "smp_apic_timer_interrupt()". (these two symbol are the same address, but "__irqentry_text_start" is deemed to the first aliased symbol by scripts/kallsyms) This patch puts symbols like "__irqentry_text_start" to the second aliased symbols. And a more proper symbol name becomes the first. Aliased symbols mostly come from linker script. The solution is guessing "is this symbol defined in linker script", the symbols defined in linker script will not become the first aliased symbol. And if symbols are found to be equal in this "linker script provided" criteria, symbols are sorted by the number of prefix underscores. Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Paulo Marques <pmarques@grupopie.com> LKML-Reference: <49BA06E2.7080807@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | * Merge branch 'core/locking' into tracing/ftraceIngo Molnar2009-03-133-5/+6
| | |\
| | * \ Merge branch 'x86/core' into tracing/texteditIngo Molnar2009-03-067-10/+53
| | |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: arch/x86/Kconfig block/blktrace.c kernel/irq/handle.c Semantic conflict: kernel/trace/blktrace.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | * \ \ Merge branches 'tracing/ftrace', 'tracing/mmiotrace' and 'linus' into ↵Ingo Molnar2009-03-021-12/+14
| | |\ \ \ | | | | | | | | | | | | | | | | | | tracing/core
| | * \ \ \ Merge branch 'linus' into tracing/blktraceIngo Molnar2009-02-196-21/+174
| | |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: block/blktrace.c Semantic merge: kernel/trace/blktrace.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | * \ \ \ \ Merge branches 'tracing/ftrace', 'tracing/ring-buffer', 'tracing/sysprof', ↵Ingo Molnar2009-02-131-1/+39
| | |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | 'tracing/urgent' and 'linus' into tracing/core
| | * \ \ \ \ \ Merge branches 'tracing/ftrace', 'tracing/kmemtrace' and 'linus' into ↵Ingo Molnar2009-02-0310-184/+157
| | |\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | tracing/core
| | * | | | | | | ftrace: test for running of recordmcount.pl twice on an objectSteven Rostedt2009-01-181-3/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: fix failure of dynamic function tracer selftest In a course of development, a developer does several makes on their kernel. Sometimes, the make might do something abnormal. In the case of running the recordmcount.pl script on an object twice, the script will duplicate all the calls to mcount in the __mcount_loc section. On boot up, the dynamic function tracer is careful when it modifies code, and performs several consistency checks. One is to not modify the call site if it is not what it expects it to be. If a function call site is listed twice, the first entry will convert the site to a nop, and the second will fail because it expected to see a call to mcount, but instead it sees a nop. Thus, the function tracer is disabled. Eric Sesterhenn reported seeing: [ 1.055440] ftrace: converting mcount calls to 0f 1f 44 00 00 [ 1.055568] ftrace: allocating 29418 entries in 116 pages [ 1.061000] ------------[ cut here ]------------ [ 1.061000] WARNING: at kernel/trace/ftrace.c:441 [...] [ 1.060000] ---[ end trace 4eaa2a86a8e2da23 ]--- [ 1.060000] ftrace failed to modify [<c0118072>] check_corruption+0x3/0x2d [ 1.060000] actual: 0f:1f:44:00:00 This warning shows that check_corruption+0x3 already had a nop in its place (0x0f1f440000). After compiling another kernel the problem went away. Later Eric Paris notice the same type of issue. Luckily, he saved the vmlinux file that caused it. In the file we found a bunch of duplicate mcount call site records, which lead us to the script. Perhaps this problem only happens to people named Eric. This patch changes the script to test if the __mcount_loc already exists in the object file, and if it does, it will print out an error message and kill the compile. Reported-by: Eric Sesterhenn <snakebyte@gmx.de> Reported-by: Eric Paris <eparis@redhat.com> Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | * | | | | | | Merge branch 'tracing/ftrace'; commit 'v2.6.29-rc2' into tracing/coreIngo Molnar2009-01-182-17/+70
| | |\ \ \ \ \ \ \
| | * | | | | | | | ftrace, ia64: Add recordmcount for ia64Shaohua Li2009-01-141-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add recordmcount for ia64. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | * | | | | | | | ftrace, ia64: explictly ignore a file in recordmcount.plShaohua Li2009-01-141-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In IA64, a function pointer isn't a 'unsigned long' but a 'struct {unsigned long ip, unsigned long gp}'. MCOUNT_ADDR is determined at link time not compile time, so explictly ignore kernel/trace/ftrace.o in recordmcount.pl. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| | * | | | | | | | ftrace, ia64: make recordmcount distinct module compileShaohua Li2009-01-142-9/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In IA64, module build and kernel build use different option. Make recordmcount.pl differentiate the two cases. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | | | | | | | | | Merge ↵Linus Torvalds2009-04-051-2/+2
|\ \ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-module-and-param * git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-module-and-param: module: use strstarts() strstarts: helper function for !strncmp(str, prefix, strlen(prefix)) arm: allow usage of string functions in linux/string.h module: don't use stop_machine on module load module: create a request_module_nowait() module: include other structures in module version check module: remove the SHF_ALLOC flag on the __versions section. module: clarify the force-loading taint message. module: Export symbols needed for Ksplice Ksplice: Add functions for walking kallsyms symbols module: remove module_text_address() module: __module_address module: Make find_symbol return a struct kernel_symbol kernel/module.c: fix an unused goto label param: fix charp parameters set via sysfs Fix trivial conflicts in kernel/extable.c manually.
| * | | | | | | | | | module: include other structures in module version checkRusty Russell2009-03-311-2/+2
| |/ / / / / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With CONFIG_MODVERSIONS, we version 'struct module' using a dummy export, but other things matter too: 1) 'struct modversion_info' determines the layout of the __versions section, 2) 'struct kernel_param' determines the layout of the __params section, 3) 'struct kernel_symbol' determines __ksymtab*. 4) 'struct marker' determines __markers. 5) 'struct tracepoint' determines __tracepoints. So we rename 'struct_module' to 'module_layout' and include these in the signature. Now it's general we can add others later on without confusion. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
generated by cgit v1.1 at 2024-11-05 05:15:20 +0000