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* Linux 3.1-rc6v3.1-rc6Linus Torvalds2011-09-121-1/+1
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* Linux 3.1-rc5v3.1-rc5Linus Torvalds2011-09-041-1/+1
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* Linux 3.1-rc4v3.1-rc4Linus Torvalds2011-08-281-1/+1
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* Linux 3.1-rc3v3.1-rc3Linus Torvalds2011-08-221-2/+2
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* Linux 3.1-rc2v3.1-rc2Linus Torvalds2011-08-141-2/+2
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* Linux 3.1-rc1v3.1-rc1Linus Torvalds2011-08-071-2/+2
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* Merge branch 'kconfig' of ↵Linus Torvalds2011-07-301-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: (25 commits) kconfig: Introduce IS_ENABLED(), IS_BUILTIN() and IS_MODULE() xconfig: Abort close if configuration cannot be saved kconfig: fix missing "0x" prefix from S_HEX symbol in autoconf.h kconfig/nconf: remove useless conditionnal kconfig/nconf: prevent segfault on empty menu kconfig/nconf: use the generic menu_get_ext_help() nconfig: Avoid Wunused-but-set warning kconfig/conf: mark xfgets() private kconfig: remove pending prototypes for kconfig_load() kconfig/conf: add command line options' description kconfig/conf: reduce the scope of `defconfig_file' kconfig: use calloc() for expr allocation kconfig: introduce specialized printer kconfig: do not overwrite symbol direct dependency in assignment kconfig/gconf: silent missing prototype warnings kconfig/gconf: kill deadcode kconfig: nuke LKC_DIRECT_LINK cruft kconfig: nuke reference to SWIG kconfig: add missing <stdlib.h> inclusion kconfig: add missing <ctype.h> inclusion ... Fix up conflicts in scripts/kconfig/Makefile
| * kconfig: Introduce IS_ENABLED(), IS_BUILTIN() and IS_MODULE()Michal Marek2011-07-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace the config_is_*() macros with a variant that allows for grepping for usage of CONFIG_* options in the code. Usage: if (IS_ENABLED(CONFIG_NUMA)) or #if IS_ENABLED(CONFIG_NUMA) The IS_ENABLED() macro evaluates to 1 if the argument is set (to either 'y' or 'm'), IS_BUILTIN() tests if the option is 'y' and IS_MODULE() test if the option is 'm'. Only boolean and tristate options are supported. Reviewed-by: Arnaud Lacombe <lacombar@gmail.com> Acked-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | Merge branch 'perf-core-for-linus' of ↵Linus Torvalds2011-07-221-0/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: (123 commits) perf: Remove the nmi parameter from the oprofile_perf backend x86, perf: Make copy_from_user_nmi() a library function perf: Remove perf_event_attr::type check x86, perf: P4 PMU - Fix typos in comments and style cleanup perf tools: Make test use the preset debugfs path perf tools: Add automated tests for events parsing perf tools: De-opt the parse_events function perf script: Fix display of IP address for non-callchain path perf tools: Fix endian conversion reading event attr from file header perf tools: Add missing 'node' alias to the hw_cache[] array perf probe: Support adding probes on offline kernel modules perf probe: Add probed module in front of function perf probe: Introduce debuginfo to encapsulate dwarf information perf-probe: Move dwarf library routines to dwarf-aux.{c, h} perf probe: Remove redundant dwarf functions perf probe: Move strtailcmp to string.c perf probe: Rename DIE_FIND_CB_FOUND to DIE_FIND_CB_END tracing/kprobe: Update symbol reference when loading module tracing/kprobes: Support module init function probing kprobes: Return -ENOENT if probe point doesn't exist ...
| * \ Merge commit 'v3.0-rc5' into perf/coreIngo Molnar2011-07-011-2/+3
| |\ \ | | | | | | | | | | | | | | | | | | | | Merge reason: Pick up the latest fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * \ \ Merge branch 'tip/perf/core-2' of ↵Ingo Molnar2011-06-161-0/+1
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core Conflicts: Makefile
| | * | | kbuild/recordmcount: Add RECORDMCOUNT_WARN to warn about mcount callersSteven Rostedt2011-05-171-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When mcount is called in a section that ftrace will not modify it into a nop, we want to warn about this. But not warn about this always. Now if the user builds the kernel with the option RECORDMCOUNT_WARN=1 then the build will warn about mcount callers that are ignored and will just waste execution time. Acked-by: Michal Marek <mmarek@suse.cz> Cc: linux-kbuild@vger.kernel.org Link: http://lkml.kernel.org/r/20110421023738.714956282@goodmis.org Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | | | | Linux 3.0v3.0Linus Torvalds2011-07-211-1/+1
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* | | | | Linux 3.0-rc7v3.0-rc7Linus Torvalds2011-07-111-1/+1
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* | | | | Linux 3.0-rc6v3.0-rc6Linus Torvalds2011-07-041-1/+1
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* | | | Linux 3.0-rc5v3.0-rc5Linus Torvalds2011-06-271-1/+1
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* | | | Linux 3.0-rc4v3.0-rc4Linus Torvalds2011-06-201-1/+1
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* | | | Merge branch 'rc-fixes' of ↵Linus Torvalds2011-06-161-1/+2
|\ \ \ \ | |/ / / |/| | | | | | | | | | | | | | | | | | | | | | | 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: kbuild: Call depmod.sh via shell perf: clear out make flags when calling kernel make kernelver
| * | | kbuild: Call depmod.sh via shellMichal Marek2011-06-151-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The script has the executable bit in git, but plain old patch(1) can't create executable files. Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | | Linux 3.0-rc3v3.0-rc3Linus Torvalds2011-06-131-1/+1
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* | | | Merge branch 'rc-fixes' of ↵Linus Torvalds2011-06-091-13/+3
|\ \ \ \ | |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: perf: Use make kernelversion instead of parsing the Makefile kbuild: Hack for depmod not handling X.Y versions kbuild: Move depmod call to a separate script kbuild: Fix <linux/version.h> for empty SUBLEVEL or PATCHLEVEL kbuild: Fix KERNELVERSION for empty SUBLEVEL or PATCHLEVEL kbuild: silence Nothing to be done for 'all' message
| * | | kbuild: Move depmod call to a separate scriptMichal Marek2011-06-091-11/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Do not bloat the Makefile with multiline shell statements. No user-visible change intended. Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kbuild: Fix <linux/version.h> for empty SUBLEVEL or PATCHLEVELMichal Marek2011-06-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | expr treats all numbers as decimals, so prepending a zero is safe. Note that the KERNEL_VERSION() macro still takes three arguments, 3.0 has to be written as KERNEL_VERSION(3,0,0). Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kbuild: Fix KERNELVERSION for empty SUBLEVEL or PATCHLEVELMichal Marek2011-06-091-1/+1
| | |/ | |/| | | | | | | | | | | | | | | | Omit the second dot for releases without SUBLEVEL. If PATCHLEVEL is also empty, only display VERSION. Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | Linux 3.0-rc2v3.0-rc2Linus Torvalds2011-06-061-1/+1
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* | Linux 3.0-rc1v3.0-rc1Linus Torvalds2011-05-291-5/+5
| | | | | | | | | | | | | | | | | | | | .. except there are various scripts that really know that there are three numbers, so it calls itself "3.0.0-rc1". Hopefully by the time the final 3.0 is out, we'll have that extra zero all figured out. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tileLinus Torvalds2011-05-251-0/+8
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: (26 commits) arch/tile: prefer "tilepro" as the name of the 32-bit architecture compat: include aio_abi.h for aio_context_t arch/tile: cleanups for tilegx compat mode arch/tile: allocate PCI IRQs later in boot arch/tile: support signal "exception-trace" hook arch/tile: use better definitions of xchg() and cmpxchg() include/linux/compat.h: coding-style fixes tile: add an RTC driver for the Tilera hypervisor arch/tile: finish enabling support for TILE-Gx 64-bit chip compat: fixes to allow working with tile arch arch/tile: update defconfig file to something more useful tile: do_hardwall_trap: do not play with task->sighand tile: replace mm->cpu_vm_mask with mm_cpumask() tile,mn10300: add device parameter to dma_cache_sync() audit: support the "standard" <asm-generic/unistd.h> arch/tile: clarify flush_buffer()/finv_buffer() function names arch/tile: kernel-related cleanups from removing static page size arch/tile: various header improvements for building drivers arch/tile: disable GX prefetcher during cache flush arch/tile: tolerate disabling CONFIG_BLK_DEV_INITRD ...
| * | arch/tile: prefer "tilepro" as the name of the 32-bit architectureChris Metcalf2011-05-251-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | With this change, you can (and should) build with ARCH=tilepro for the current 32-bit chips. Building with ARCH=tile continues to work, but we've renamed the defconfig file to tilepro_defconfig for consistency. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
| * | arch/tile: finish enabling support for TILE-Gx 64-bit chipChris Metcalf2011-05-121-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This support was partially present in the existing code (look for "__tilegx__" ifdefs) but with this change you can build a working kernel using the TILE-Gx toolchain and ARCH=tilegx. Most of these files are new, generally adding a foo_64.c file where previously there was just a foo_32.c file. The ARCH=tilegx directive redirects to arch/tile, not arch/tilegx, using the existing SRCARCH mechanism in the top-level Makefile. Changes to existing files: - <asm/bitops.h> and <asm/bitops_32.h> changed to factor the include of <asm-generic/bitops/non-atomic.h> in the common header. - <asm/compat.h> and arch/tile/kernel/compat.c changed to remove the "const" markers I had put on compat_sys_execve() when trying to match some recent similar changes to the non-compat execve. It turns out the compat version wasn't "upgraded" to use const. - <asm/opcode-tile_64.h> and <asm/opcode_constants_64.h> were previously included accidentally, with the 32-bit contents. Now they have the proper 64-bit contents. Finally, I had to hack the existing hacky drivers/input/input-compat.h to add yet another "#ifdef" for INPUT_COMPAT_TEST (same as x86_64). Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> [drivers/input]
* | | Merge branch 'misc' of ↵Linus Torvalds2011-05-251-3/+6
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: export_report: use warn() to issue WARNING, so they go to stderr export_report: sort SECTION 2 output export_report: do collectcfiles work in perl itself kbuild: make versioncheck work in KBUILD_OUTDIR kbuild: make includecheck work in KBUILD_OUTDIR kbuild: make headerdep work in KBUILD_OUTDIR kbuild: add targets to PHONY kbuild: don't warn about include/linux/version.h not including itself eradicate bashisms in scripts/patch-kernel
| * | | kbuild: make versioncheck work in KBUILD_OUTDIRPeter Foley2011-05-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes the versioncheck target so it works when make is invoked in KBUILD_OUTDIR. Signed-off-by: Peter Foley <pefoley2@verizon.net> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kbuild: make includecheck work in KBUILD_OUTDIRPeter Foley2011-05-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes the includecheck target so it works when make is invoked in KBUILD_OUTDIR. Signed-off-by: Peter Foley <pefoley2@verizon.net> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kbuild: make headerdep work in KBUILD_OUTDIRPeter Foley2011-05-121-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes the headerdep target so it works when make is invoked in KBUILD_OUTDIR. Signed-off-by: Peter Foley <pefoley2@verizon.net> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kbuild: add targets to PHONYPeter Foley2011-05-121-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds some targets to PHONY so they are built even if a file with the same name exists. Signed-off-by: Peter Foley <pefoley2@verizon.net> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | | Merge branch 'kbuild' of ↵Linus Torvalds2011-05-241-13/+37
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: kbuild: make KBUILD_NOCMDDEP=1 handle empty built-in.o scripts/kallsyms.c: fix potential segfault scripts/gen_initramfs_list.sh: Convert to a /bin/sh script kbuild: Fix GNU make v3.80 compatibility kbuild: Fix passing -Wno-* options to gcc 4.4+ kbuild: move scripts/basic/docproc.c to scripts/docproc.c kbuild: Fix Makefile.asm-generic for um kbuild: Allow to combine multiple W= levels kbuild: Disable -Wunused-but-set-variable for gcc 4.6.0 Fix handling of backlash character in LINUX_COMPILE_BY name kbuild: asm-generic support kbuild: implement several W= levels kbuild: Fix build with binutils <= 2.19 initramfs: Use KBUILD_BUILD_TIMESTAMP for generated entries kbuild: Allow to override LINUX_COMPILE_BY and LINUX_COMPILE_HOST macros kbuild: Drop unused LINUX_COMPILE_TIME and LINUX_COMPILE_DOMAIN macros kbuild: Use the deterministic mode of ar kbuild: Call gzip with -n kbuild: move KALLSYMS_EXTRA_PASS from Kconfig to Makefile Kconfig: improve KALLSYMS_ALL documentation Fix up trivial conflict in Makefile
| * | | | kbuild: Fix GNU make v3.80 compatibilityKevin Cernekee2011-05-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | According to Documentation/Changes, the kernel should be buildable with GNU make 3.80+. Commit 88d7be031f9f975bb3f50a0b5ef3796a671e7edf (kbuild: Use a single clean rule for kernel and external modules) introduced the "$(or" construct, which requires make 3.81. This causes "make clean" to malfunction when it is used with external modules. Replace "$(or" with an equivalent "$(if" expression, to restore backward compatibility. Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Cc: stable@kernel.org Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | kbuild: Fix passing -Wno-* options to gcc 4.4+Michal Marek2011-05-031-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Starting with 4.4, gcc will happily accept -Wno-<anything> in the cc-option test and complain later when compiling a file that has some other warning. This rather unexpected behavior is intentional as per http://gcc.gnu.org/PR28322, so work around it by testing for support of the opposite option (without the no-). Introduce a new Makefile function cc-disable-warning that does this and update two uses of cc-option in the toplevel Makefile. Reported-and-tested-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | kbuild: move scripts/basic/docproc.c to scripts/docproc.cPeter Foley2011-05-021-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | Move docproc from scripts/basic to scripts so it is only built for *doc targets instead of every time the kernel is built.
| * | | | kbuild: Allow to combine multiple W= levelsMichal Marek2011-05-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for make W=12, make W=123 and so on, to enable warnings from multiple W= levels. Normally, make W=<level> does not include warnings from the previous level. Signed-off-by: Michal Marek <mmarek@suse.cz> Acked-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-By: Valdis Kletnieks <valdis.kletnieks@vt.edu>
| * | | | kbuild: Disable -Wunused-but-set-variable for gcc 4.6.0Dave Jones2011-04-291-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Disable the new -Wunused-but-set-variable that was added in gcc 4.6.0 It produces more false positives than useful warnings. This can still be enabled using W=1 Signed-off-by: Dave Jones <davej@redhat.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Tested-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | kbuild: asm-generic supportSam Ravnborg2011-04-281-4/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is an increasing amount of header files shared between individual architectures in asm-generic. To avoid a lot of dummy wrapper files that just include the corresponding file in asm-generic provide some basic support in kbuild for this. With the following patch an architecture can maintain a list of files in the file arch/$(ARCH)/include/asm/Kbuild To use a generic file just add: generic-y += <name-of-header-file.h> For each file listed kbuild will generate the necessary wrapper in arch/$(ARCH)/include/generated/asm. When installing userspace headers a wrapper is likewise created. The original inspiration for this came from the unicore32 patchset - although a different method is used. The patch includes several improvements from Arnd Bergmann. Michael Marek contributed Makefile.asm-generic. Remis Baima did an intial implementation along to achive the same - see https://patchwork.kernel.org/patch/13352/ Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Guan Xuetao <guanxuetao@mprc.pku.edu.cn> Tested-by: Guan Xuetao <guanxuetao@mprc.pku.edu.cn> Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: Remis Lima Baima <remis.developer@googlemail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | kbuild: implement several W= levelsSam Ravnborg2011-04-281-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Building a kernel with "make W=1" produces far too much noise to be useful. Divide the warning options in three groups: W=1 - warnings that may be relevant and does not occur too often W=2 - warnings that occur quite often but may still be relevant W=3 - the more obscure warnings, can most likely be ignored When building the whole kernel, those levels produce: W=1 - 4859 warnings W=2 - 1394 warnings W=3 - 86666 warnings respectively. Warnings have been counted with Geert's script at http://www.kernel.org/pub/linux/kernel/people/geert/linux-log/linux-log-summary.pl Many warnings occur from .h files so fixing one file may have a nice effect on the total number of warnings. With these changes I am actually tempted to try W=1 now and then. Previously there was just too much noise. Borislav: - make the W= levels exclusive - move very noisy and making little sense for the kernel warnings to W=3 - drop -Woverlength-strings due to useless warning message - copy explanatory text for the different warning levels to 'make help' - recount warnings per level Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Borislav Petkov <bp@alien8.de> Cc: Dave Jones <davej@redhat.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | kbuild: Fix build with binutils <= 2.19Michal Marek2011-04-201-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The D option of ar is only available in newer versions. Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | | kbuild: move KALLSYMS_EXTRA_PASS from Kconfig to MakefileArtem Bityutskiy2011-04-151-5/+8
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At the moment we have the CONFIG_KALLSYMS_EXTRA_PASS Kconfig switch, which users can enable or disable while configuring the kernel. This option is then used by 'make' to determine whether an extra kallsyms pass is needed or not. However, this approach is not nice and confusing, and this patch moves CONFIG_KALLSYMS_EXTRA_PASS from Kconfig to Makefile instead. The rationale is below. 1. CONFIG_KALLSYMS_EXTRA_PASS is really about the build time, not run-time. There is no real need for it to be in Kconfig. It is just an additional work-around which should be used only in rare cases, when someone breaks kallsyms, so Kbuild/Makefile is much better place for this option. 2. Grepping CONFIG_KALLSYMS_EXTRA_PASS shows that many defconfigs have it enabled, probably not because they try to work-around a kallsyms bug, but just because the Kconfig help text is confusing and does not really make it clear that this option should not be used unless except when kallsyms is broken. 3. And since many people have CONFIG_KALLSYMS_EXTRA_PASS enabled in their Kconfig, we do might fail to notice kallsyms bugs in time. E.g., many testers use "make allyesconfig" to test builds, which will enable CONFIG_KALLSYMS_EXTRA_PASS and kallsyms breakage will not be noticed. To address that, this patch: 1. Kills CONFIG_KALLSYMS_EXTRA_PASS 2. Changes Makefile so that people can use "make KALLSYMS_EXTRA_PASS=1" to enable the extra pass if needed. Additionally, they may define KALLSYMS_EXTRA_PASS as an environment variable. 3. By default KALLSYMS_EXTRA_PASS is disabled and if kallsyms has issues, "make" should print a warning and suggest using KALLSYMS_EXTRA_PASS Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> [mmarek: Removed make help text, is not necessary] Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | | Merge branch 'perf-core-for-linus' of ↵Linus Torvalds2011-05-191-0/+1
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: (107 commits) perf stat: Add more cache-miss percentage printouts perf stat: Add -d -d and -d -d -d options to show more CPU events ftrace/kbuild: Add recordmcount files to force full build ftrace: Add self-tests for multiple function trace users ftrace: Modify ftrace_set_filter/notrace to take ops ftrace: Allow dynamically allocated function tracers ftrace: Implement separate user function filtering ftrace: Free hash with call_rcu_sched() ftrace: Have global_ops store the functions that are to be traced ftrace: Add ops parameter to ftrace_startup/shutdown functions ftrace: Add enabled_functions file ftrace: Use counters to enable functions to trace ftrace: Separate hash allocation and assignment ftrace: Create a global_ops to hold the filter and notrace hashes ftrace: Use hash instead for FTRACE_FL_FILTER ftrace: Replace FTRACE_FL_NOTRACE flag with a hash of ignored functions perf bench, x86: Add alternatives-asm.h wrapper x86, 64-bit: Fix copy_[to/from]_user() checks for the userspace address limit x86, mem: memset_64.S: Optimize memset by enhanced REP MOVSB/STOSB x86, mem: memmove_64.S: Optimize memmove by enhanced REP MOVSB/STOSB ...
| * | | | kbuild/recordmcount: Add RECORDMCOUNT_WARN to warn about mcount callersSteven Rostedt2011-05-161-0/+1
| | |_|/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When mcount is called in a section that ftrace will not modify it into a nop, we want to warn about this. But not warn about this always. Now if the user builds the kernel with the option RECORDMCOUNT_WARN=1 then the build will warn about mcount callers that are ignored and will just waste execution time. Acked-by: Michal Marek <mmarek@suse.cz> Cc: linux-kbuild@vger.kernel.org Link: http://lkml.kernel.org/r/20110421023738.714956282@goodmis.org Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | | | Linux 2.6.39v2.6.39Linus Torvalds2011-05-181-1/+1
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* | | Linux 2.6.39-rc7v2.6.39-rc7Linus Torvalds2011-05-091-1/+1
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* | | Linux 2.6.39-rc6v2.6.39-rc6Linus Torvalds2011-05-031-1/+1
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* | Linux 2.6.39-rc5v2.6.39-rc5Linus Torvalds2011-04-261-1/+1
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