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* Linux 4.12-rc6v4.12-rc6Linus Torvalds2017-06-191-1/+1
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* Linux 4.12-rc5v4.12-rc5Linus Torvalds2017-06-111-1/+1
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* Linux 4.12-rc4v4.12-rc4Linus Torvalds2017-06-041-1/+1
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* Linux 4.12-rc3v4.12-rc3Linus Torvalds2017-05-281-1/+1
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* Linux 4.12-rc2v4.12-rc2Linus Torvalds2017-05-211-1/+1
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* kbuild: skip install/check of headers right under uapi directoriesMasahiro Yamada2017-05-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit 61562f981e92 ("uapi: export all arch specifics directories"), "make INSTALL_HDR_PATH=$root/usr headers_install" deletes standard glibc headers and others in $(root)/usr/include. The cause of the issue is that headers_install now starts descending from arch/$(hdr-arch)/include/uapi with $(root)/usr/include for its destination when installing asm headers. So, headers already there are assumed to be unwanted. When headers_install starts descending from include/uapi with $(root)/usr/include for its destination, it works around the problem by creating an dummy destination $(root)/usr/include/uapi, but this is tricky. To fix the problem in a clean way is to skip headers install/check in include/uapi and arch/$(hdr-arch)/include/uapi because we know there are only sub-directories in uapi directories. A good side effect is the empty destination $(root)/usr/include/uapi will go away. I am also removing the trailing slash in the headers_check target to skip checking in arch/$(hdr-arch)/include/uapi. Fixes: 61562f981e92 ("uapi: export all arch specifics directories") Reported-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Tested-by: Dan Williams <dan.j.williams@intel.com> Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
* Linux 4.12-rc1v4.12-rc1Linus Torvalds2017-05-131-2/+2
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* Merge tag 'kbuild-uapi-v4.12' of ↵Linus Torvalds2017-05-101-3/+3
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild UAPI updates from Masahiro Yamada: "Improvement of headers_install by Nicolas Dichtel. It has been long since the introduction of uapi directories, but the de-coupling of exported headers has not been completed. Headers listed in header-y are exported whether they exist in uapi directories or not. His work fixes this inconsistency. All (and only) headers under uapi directories are now exported. The asm-generic wrappers are still exceptions, but this is a big step forward" * tag 'kbuild-uapi-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: arch/include: remove empty Kbuild files uapi: export all arch specifics directories uapi: export all headers under uapi directories smc_diag.h: fix include from userland btrfs_tree.h: fix include from userland uapi: includes linux/types.h before exporting files Makefile.headersinst: remove destination-y option Makefile.headersinst: cleanup input files x86: stop exporting msr-index.h to userland nios2: put setup.h in uapi h8300: put bitsperlong.h in uapi
| * uapi: export all arch specifics directoriesNicolas Dichtel2017-05-111-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch removes the need of subdir-y. Now all files/directories under arch/<arch>/include/uapi/ are exported. The only change for userland is the layout of the command 'make headers_install_all': directories asm-<arch> are replaced by arch-<arch>/. Those new directories contains all files/directories of the specified arch. Note that only cris and tile have more directories than only asm: - arch-v[10|32] for cris; - arch for tile. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* | Merge tag 'kbuild-v4.12' of ↵Linus Torvalds2017-05-101-11/+30
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: - improve Clang support - clean up various Makefiles - improve build log visibility (objtool, alpha, ia64) - improve compiler flag evaluation for better build performance - fix GCC version-dependent warning - fix genksyms * tag 'kbuild-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (23 commits) kbuild: dtbinst: remove unnecessary __dtbs_install_prep target ia64: beatify build log for gate.so and gate-syms.o alpha: make short build log available for division routines alpha: merge build rules of division routines alpha: add $(src)/ rather than $(obj)/ to make source file path Makefile: evaluate LDFLAGS_BUILD_ID only once objtool: make it visible in make V=1 output kbuild: clang: add -no-integrated-as to KBUILD_[AC]FLAGS kbuild: Add support to generate LLVM assembly files kbuild: Add better clang cross build support kbuild: drop -Wno-unknown-warning-option from clang options kbuild: fix asm-offset generation to work with clang kbuild: consolidate redundant sed script ASM offset generation frv: Use OFFSET macro in DEF_*REG() kbuild: avoid conflict between -ffunction-sections and -pg on gcc-4.7 kbuild: Consolidate header generation from ASM offset information kbuild: use -Oz instead of -Os when using clang kbuild, LLVMLinux: Add -Werror to cc-option to support clang Kbuild: make designated_init attribute fatal kbuild: drop unneeded patterns '.*.orig' and '.*.rej' from distclean ...
| * Makefile: evaluate LDFLAGS_BUILD_ID only onceRabin Vincent2017-05-031-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Evaluate LDFLAGS_BUILD_ID (which involves invoking the compiler) only once instead of over and over. This provides a ~20% reduction in null build time with x86 allnoconfig: $ make allnoconfig && make -j8 $ perf stat -r5 -e sched:sched_process_exec make -j8 - 2 119 sched:sched_process_exec + 1 878 sched:sched_process_exec - 1,238817018 seconds time elapsed + 0,971020553 seconds time elapsed Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| * kbuild: clang: add -no-integrated-as to KBUILD_[AC]FLAGSMichael Davidson2017-04-281-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The Linux Kernel relies on GCC's acceptance of inline assembly as an opaque object which will not have any validation performed on the content. The current behaviour in LLVM is to perform validation of the contents by means of parsing the input if the MC layer can handle it. Disable clangs integrated assembler and use the GNU assembler instead. Wording-mostly-from: Saleem Abdulrasool <compnerd@compnerd.org> Signed-off-by: Michael Davidson <md@google.com> Signed-off-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| * kbuild: Add support to generate LLVM assembly filesVinícius Tinti2017-04-251-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | Add rules to kbuild in order to generate LLVM assembly files with the .ll extension when using clang. # from c code make CC=clang kernel/pid.ll Signed-off-by: Vinícius Tinti <viniciustinti@gmail.com> Signed-off-by: Behan Webster <behanw@converseincode.com> Signed-off-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| * kbuild: Add better clang cross build supportBehan Webster2017-04-231-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add cross target to CC if using clang. Also add custom gcc toolchain path for fallback gcc tools. Clang will fallback to using things like ld, as, and libgcc if (respectively) one of the llvm linkers isn't available, the integrated assembler is turned off, or an appropriately cross-compiled version of compiler-rt isn't available. To this end, you can specify the path to this fallback gcc toolchain with GCC_TOOLCHAIN. Signed-off-by: Behan Webster <behanw@converseincode.com> Reviewed-by: Jan-Simon Möller <dl9pf@gmx.de> Reviewed-by: Mark Charlebois <charlebm@gmail.com> Signed-off-by: Greg Hackmann <ghackmann@google.com> Signed-off-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| * kbuild: drop -Wno-unknown-warning-option from clang optionsMasahiro Yamada2017-04-231-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit c3f0d0bc5b01 ("kbuild, LLVMLinux: Add -Werror to cc-option to support clang"), cc-option and friends work nicely for clang. However, -Wno-unknown-warning-option makes clang happy with any unknown warning options even if -Werror is specified. Once -Wno-unknown-warning-option is added, any succeeding call of cc-disable-warning is evaluated positive, then unknown warning options are accepted. This should be dropped. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| * kbuild: avoid conflict between -ffunction-sections and -pg on gcc-4.7Masahiro Yamada2017-04-181-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Arnd Bergmann reported: "When ftrace is enabled and we build with gcc-4.7 or older, we get a warning for each file on architectures that select CONFIG_LD_DEAD_CODE_DATA_ELIMINATION: warning: -ffunction-sections disabled; it makes profiling impossible [enabled by default] " Since commit c3f0d0bc5b01 ("kbuild, LLVMLinux: Add -Werror to cc-option to support clang"), warnings are treated as errors in cc-option checks. CC_FLAGS_FTRACE is blindly added to KBUILD_CFLAGS, so $(call cc-option,-ffunction-sections,) should be moved below it in order to detect the conflict between the two options. Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| * kbuild: use -Oz instead of -Os when using clangBehan Webster2017-04-131-1/+2
| | | | | | | | | | | | | | | | This generates smaller resulting object code when compiled with clang. Signed-off-by: Behan Webster <behanw@converseincode.com> Signed-off-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| * Kbuild: make designated_init attribute fatalKees Cook2017-03-221-0/+3
| | | | | | | | | | | | | | | | | | | | | | If a structure is marked with __attribute__((designated_init)) from GCC or Sparse, it needs to have all static initializers using designated initialization. Fail the build for any missing cases. This attribute will be used by the randstruct plugin to make sure randomized structures are being correctly initialized. Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| * kbuild: drop unneeded patterns '.*.orig' and '.*.rej' from distcleanMasahiro Yamada2017-03-151-2/+2
| | | | | | | | | | | | | | The patterns '.*.orig' and '.*.rej' are cleaned away by '*.orig' and '*.rej' seen two lines above. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| * Kbuild: fix file name in comment about extra gcc checksSeung-Woo Kim2017-03-111-1/+1
| | | | | | | | | | | | | | | | Extra gcc checks like W=1 were moved to scripts/Makefile.exrawarn, so the file name in comment needs to be fixed. Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* | make help: add tools help targetRandy Dunlap2017-05-081-2/+6
| | | | | | | | | | | | | | | | | | | | | | Add a top-level Makefile help target for Userspace tools. Also make each help "heading" end with a colon ':'. Link: http://lkml.kernel.org/r/55c986ff-3966-3e47-2984-7349da2cce51@infradead.org Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge tag 'docs-4.12' of git://git.lwn.net/linuxLinus Torvalds2017-05-021-2/+2
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull documentation update from Jonathan Corbet: "A reasonably busy cycle for documentation this time around. There is a new guide for user-space API documents, rather sparsely populated at the moment, but it's a start. Markus improved the infrastructure for converting diagrams. Mauro has converted much of the USB documentation over to RST. Plus the usual set of fixes, improvements, and tweaks. There's a bit more than the usual amount of reaching out of Documentation/ to fix comments elsewhere in the tree; I have acks for those where I could get them" * tag 'docs-4.12' of git://git.lwn.net/linux: (74 commits) docs: Fix a couple typos docs: Fix a spelling error in vfio-mediated-device.txt docs: Fix a spelling error in ioctl-number.txt MAINTAINERS: update file entry for HSI subsystem Documentation: allow installing man pages to a user defined directory Doc/PM: Sync with intel_powerclamp code behavior zr364xx.rst: usb/devices is now at /sys/kernel/debug/ usb.rst: move documentation from proc_usb_info.txt to USB ReST book convert philips.txt to ReST and add to media docs docs-rst: usb: update old usbfs-related documentation arm: Documentation: update a path name docs: process/4.Coding.rst: Fix a couple of document refs docs-rst: fix usb cross-references usb: gadget.h: be consistent at kernel doc macros usb: composite.h: fix two warnings when building docs usb: get rid of some ReST doc build errors usb.rst: get rid of some Sphinx errors usb/URB.txt: convert to ReST and update it usb/persist.txt: convert to ReST and add to driver-api book usb/hotplug.txt: convert to ReST and add to driver-api book ...
| * | sparse doc: fix reference pathCao jin2017-03-311-2/+2
| |/ | | | | | | | | | | | | | | Documentation/sparse.txt has been moved to Documentation/dev-tools/sparse.rst Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* | Linux 4.11v4.11Linus Torvalds2017-04-301-1/+1
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* | Linux 4.11-rc8v4.11-rc8Linus Torvalds2017-04-231-1/+1
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* | Linux 4.11-rc7v4.11-rc7Linus Torvalds2017-04-161-1/+1
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* | Linux 4.11-rc6v4.11-rc6Linus Torvalds2017-04-091-1/+1
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* | Merge tag 'kbuild-fixes-v4.11' of ↵Linus Torvalds2017-04-051-7/+7
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - hand-off primary maintainership of Kbuild - fix build warnings - fix build error when GCOV is enabled with old compiler - fix HAVE_ASM_GOTO check when GCC plugin is enabled * tag 'kbuild-fixes-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: gconfig: remove misleading parentheses around a condition jump label: fix passing kbuild_cflags when checking for asm goto support Kbuild: use cc-disable-warning consistently for maybe-uninitialized kbuild: external module build warnings when KBUILD_OUTPUT set and W=1 MAINTAINERS: add Masahiro Yamada as a Kbuild maintainer
| * | jump label: fix passing kbuild_cflags when checking for asm goto supportGleb Fotengauer-Malinovskiy2017-03-221-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The latest change of asm goto support check added passing of KBUILD_CFLAGS to compiler. When these flags reference gcc plugins that are not built yet, the check fails. When one runs "make bzImage" followed by "make modules", the kernel is always built with HAVE_JUMP_LABEL disabled, while the modules are built depending on CONFIG_JUMP_LABEL. If HAVE_JUMP_LABEL macro happens to be different, modules are built with undefined references, e.g.: ERROR: "static_key_slow_inc" [net/netfilter/xt_TEE.ko] undefined! ERROR: "static_key_slow_dec" [net/netfilter/xt_TEE.ko] undefined! ERROR: "static_key_slow_dec" [net/netfilter/nft_meta.ko] undefined! ERROR: "static_key_slow_inc" [net/netfilter/nft_meta.ko] undefined! ERROR: "nf_hooks_needed" [net/netfilter/ipvs/ip_vs.ko] undefined! ERROR: "nf_hooks_needed" [net/ipv6/ipv6.ko] undefined! ERROR: "static_key_count" [net/ipv6/ipv6.ko] undefined! ERROR: "static_key_slow_inc" [net/ipv6/ipv6.ko] undefined! This change moves the check before all these references are added to KBUILD_CFLAGS. This is correct because subsequent KBUILD_CFLAGS modifications are not relevant to this check. Reported-by: Anton V. Boyarshinov <boyarsh@altlinux.org> Fixes: 35f860f9ba6a ("jump label: pass kbuild_cflags when checking for asm goto support") Cc: stable@vger.kernel.org # v4.10 Signed-off-by: Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org> Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Acked-by: David Lin <dtwlin@google.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
| * | Kbuild: use cc-disable-warning consistently for maybe-uninitializedArnd Bergmann2017-03-171-1/+1
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In commit a76bcf557ef4 ("Kbuild: enable -Wmaybe-uninitialized warning for "make W=1""), I reverted another change that happened to fix a problem with old compilers, and now we get this report again with old compilers (prior to gcc-4.8) and GCOV enabled: cc1: warnings being treated as errors drivers/gpu/drm/i915/intel_ringbuffer.c: In function 'intel_ring_setup_status_page': drivers/gpu/drm/i915/intel_ringbuffer.c:438: error: 'mmio.reg' may be used uninitialized in this function At top level: >> cc1: error: unrecognized command line option "-Wno-maybe-uninitialized" The problem is that we turn off the warning conditionally in a number of places as we should, but one of them does it unconditionally. Instead, change it to call cc-disable-warning as we do elsewhere. The original patch that caused it was merged into linux-4.7, then 4.8 removed the change and 4.9 brought it back, so we probably want a backport to 4.9 once this is merged. Use a ':=' assignment instead of '=' to force the cc-disable-warning call to only be evaluated once instead of every time. Cc: stable@vger.kernel.org Fixes: a76bcf557ef4 ("Kbuild: enable -Wmaybe-uninitialized warning for "make W=1"") Fixes: e72e2dfe7c16 ("gcov: disable -Wmaybe-uninitialized warning") Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
* | Linux 4.11-rc5v4.11-rc5Linus Torvalds2017-04-021-1/+1
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* | Linux 4.11-rc4v4.11-rc4Linus Torvalds2017-03-261-1/+1
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* | Linux 4.11-rc3v4.11-rc3Linus Torvalds2017-03-191-1/+1
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* | Linux 4.11-rc2v4.11-rc2Linus Torvalds2017-03-121-1/+1
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* Linux 4.11-rc1v4.11-rc1Linus Torvalds2017-03-051-2/+2
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* Merge branch 'core-urgent-for-linus' of ↵Linus Torvalds2017-02-281-12/+12
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull objtool fixes from Ingo Molnar: "A handful of objtool fixes related to unreachable code, plus a build fix for out of tree modules" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: objtool: Enclose contents of unreachable() macro in a block objtool: Prevent GCC from merging annotate_unreachable() objtool: Improve detection of BUG() and other dead ends objtool: Fix CONFIG_STACK_VALIDATION=y warning for out-of-tree modules
| * objtool: Fix CONFIG_STACK_VALIDATION=y warning for out-of-tree modulesJosh Poimboeuf2017-02-201-12/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When building a CONFIG_STACK_VALIDATION enabled kernel without the libelf devel package installed, the Makefile prints a warning: "Cannot use CONFIG_STACK_VALIDATION, please install libelf-dev, libelf-devel or elfutils-libelf-devel" But when building an out-of-tree module, the warning doesn't show. Instead it tries to use objtool, and the build fails with: /bin/sh: ./tools/objtool/objtool: No such file or directory Make sure the warning and the disabling of objtool occur in all cases, by moving the CONFIG_STACK_VALIDATION checks outside the 'ifeq ($(KBUILD_EXTMOD),)' block in the Makefile. Tested-By: Marc MERLIN <marc@merlins.org> Suggested-by: Jessica Yu <jeyu@redhat.com> Reported-by: Marc MERLIN <marc@merlins.org> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Reviewed-by: Jessica Yu <jeyu@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Michal Marek <mmarek@suse.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Fixes: 3b27a0c85d70 ("objtool: Detect and warn if libelf is missing and don't break the build") Link: http://lkml.kernel.org/r/b3088ae4a8698143d4851965793c61fec2135b1f.1487182864.git.jpoimboe@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
* | Merge tag 'docs-4.11' of git://git.lwn.net/linuxLinus Torvalds2017-02-221-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull documentation updates from Jonathan Corbet: "A slightly quieter cycle for documentation this time around. Three more DocBook template files have been converted to RST; only 21 to go. There are various build improvements and the usual array of documentation improvements and fixes" * tag 'docs-4.11' of git://git.lwn.net/linux: (44 commits) docs / driver-api: Fix structure references in device_link.rst PM / docs: Fix structure references in device.rst Add a target to check broken external links in the Documentation Documentation: Fix linux-api list typo Documentation: DocBook/Makefile comment typo Improve sparse documentation Documentation: make Makefile.sphinx no-ops quieter Documentation: DMA-ISA-LPC.txt Documentation: input: fix path to input code definitions docs: Remove the copyright year from conf.py docs: Fix a warning in the Korean HOWTO.rst translation PM / sleep / docs: Convert PM notifiers document to reST PM / core / docs: Convert sleep states API document to reST PM / core: Update kerneldoc comments in pm.h doc-rst: Fix recursive make invocation from macros doc-rst: Delete output of failed dot-SVG conversion doc-rst: Break shell command sequences on failure Documentation/sphinx: make targets independent of Sphinx work for HAVE_SPHINX=0 doc-rst: fixed cleandoc target when used with O=dir Documentation/sphinx: prevent generation of .pyc files in the source tree ...
| * | Add a target to check broken external links in the DocumentationRémy Léone2017-02-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Documentation shouldn't have broken links. sphinx linkcheck builder scans all documents for external links, tries to open them with urllib2, and writes an overview which ones are broken and redirected to standard output and to output.txt in the output directory. Reviewed-by: Jani Nikula <jani.nikula@intel.com> Tested-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Rémy Léone <remy.leone@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* | | Merge branch 'perf-core-for-linus' of ↵Linus Torvalds2017-02-201-2/+4
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf updates from Ingo Molnar: "On the kernel side the main changes in this cycle were: - Add Intel Kaby Lake CPU support (Srinivas Pandruvada) - AMD uncore driver updates for fam17 (Janakarajan Natarajan) - Intel/PT updates and core events optimizations and cleanups (Alexander Shishkin) - cgroups events fixes (David Carrillo-Cisneros) - kprobes improvements (Masami Hiramatsu) - ... plus misc fixes and updates. On the tooling side the main changes were: - Support clang build in tools/{perf,lib/{bpf,traceevent,api}} with CC=clang, to, for instance, take advantage of better warnings (Arnaldo Carvalho de Melo): - Introduce the 'delta-abs' 'perf diff' compute method, that orders the histogram entries by the absolute value of the percentage delta for a function in two perf.data files, i.e. the functions that changed the most (increase or decrease in samples) comes first (Namhyung Kim) - Add support for parsing Intel uncore vendor event files and add uncore vendor events for the Intel server processors (Haswell, Broadwell, IvyBridge), Xeon Phi (Knights Landing) and Broadwell DE (Andi Kleen) - Introduce 'perf ftrace' a perf front end to the kernel's ftrace function and function_graph tracer, defaulting to the "function_graph" tracer, more work will be done in reviving this effort, forward porting it from its initial patch submission (Namhyung Kim) - Add 'e' and 'c' hotkeys to expand/collapse call chains for a single hist entry in the 'perf report' and 'perf top' TUI (Jiri Olsa) - Account thread wait time (off CPU time) separately: sleep, iowait and preempt, based on the prev_state of the last event, show the breakdown when using "perf sched timehist --state" (Namhyumg Kim) - Add more triggers to switch the output file (perf.data.TIMESTAMP). Now, in addition to switching to a different output file when receiving a SIGUSR2, one can also specify file size and time based triggers: perf record -a --switch-output=signal is equivalent to what we had before: perf record -a --switch-output While we can also ask for the file to be "sliced" by size, taking into account that that will happen only when we get woken up by the kernel, i.e. one has to take into account the --mmap-pages (the size of the perf mmap ring buffer): perf record -a --switch-output=2G will break the perf.data output into multiple files limited to 2GB of samples, right when generating the output. For time based samples, alert() will be used, so to have 1 minute limited perf.data output files: perf record -a --switch-output=1m (Jiri Olsa) - Improve 'perf trace' (Arnaldo Carvalho de Melo) - 'perf kallsyms' toy tool to look for extended symbol information on the running kernel and demonstrate the machine/thread/symbol APIs for use in other tools, such as 'perf probe' (Arnaldo Carvalho de Melo) - ... plus tons of other changes, see the shortlog and Git log for details" * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (131 commits) perf tools: Add missing parse_events_error() prototype perf pmu: Fix check for unset alias->unit array perf tools: Be consistent on the type of map->symbols[] interator perf intel pt decoder: clang has no -Wno-override-init perf evsel: Do not put a variable sized type not at the end of a struct perf probe: Avoid accessing uninitialized 'map' variable perf tools: Do not put a variable sized type not at the end of a struct perf record: Do not put a variable sized type not at the end of a struct perf tests: Synthesize struct instead of using field after variable sized type perf bench numa: Make sure dprintf() is not defined Revert "perf bench futex: Sanitize numeric parameters" tools lib subcmd: Make it an error to pass a signed value to OPTION_UINTEGER tools: Set the maximum optimization level according to the compiler being used tools: Suppress request for warning options not existent in clang samples/bpf: Reset global variables samples/bpf: Ignore already processed ELF sections samples/bpf: Add missing header perf symbols: dso->name is an array, no need to check it against NULL perf tests record: No need to test an array against NULL perf symbols: No need to check if sym->name is NULL ...
| * | Merge tag 'v4.10-rc8' into perf/core, to pick up fixesIngo Molnar2017-02-141-2/+2
| |\ \ | | | | | | | | | | | | Signed-off-by: Ingo Molnar <mingo@kernel.org>
| * \ \ Merge tag 'perf-core-for-mingo-4.11-20170201' of ↵Ingo Molnar2017-02-011-2/+4
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo: New features: - Allow configuring a 'perf ftrace' default --tracer (Taeung Song) Infrastructure changes: - Sync tools/arch/{powerpc,arm}/include/uapi/asm/kvm.h and tools/arch/x86/include/asm/cpufeatures.h (Ingo Molnar) - Add BPF program file system pinning APIs and respective 'perf test' entry (Joe Stringer) - Make tools tree support 'make -s' (Josh Poimboeuf) - Reference count maps in callchains, fixing SEGFAULT when referencing maps after it is freed (Krister Johansen) - Create for_each_event trace points iterator (Taeung Song) - Do not consider an error not to have any perfconfig file (Arnaldo Carvalho de Melo - Propagate perf_config() errors (Arnaldo Carvalho de Melo) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
| | * | | tools build: Add tools tree support for 'make -s'Josh Poimboeuf2017-01-261-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When doing a kernel build with 'make -s', everything is silenced except the objtool build. That's because the tools tree support for silent builds is some combination of missing and broken. Three changes are needed to fix it: - Makefile: propagate '-s' to the sub-make's MAKEFLAGS variable so the tools Makefiles can see it. - tools/scripts/Makefile.include: fix the tools Makefiles' ability to recognize '-s'. The MAKE_VERSION and MAKEFLAGS checks are copied from the top-level Makefile. This silences the "DESCEND objtool" message. - tools/build/Makefile.build: add support to the tools Build files for recognizing '-s'. Again the MAKE_VERSION and MAKEFLAGS checks are copied from the top-level Makefile. This silences all the object compile/link messages. Reported-and-Tested-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Michal Marek <mmarek@suse.com> Link: http://lkml.kernel.org/r/e8967562ef640c3ae9a76da4ae0f4e47df737c34.1484799200.git.jpoimboe@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | | | | Linux 4.10v4.10Linus Torvalds2017-02-191-1/+1
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* | | | Linux 4.10-rc8v4.10-rc8Linus Torvalds2017-02-121-1/+1
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* | | | Linux 4.10-rc7v4.10-rc7Linus Torvalds2017-02-051-1/+1
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* | | | jump label: pass kbuild_cflags when checking for asm goto supportDavid Lin2017-02-031-1/+1
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some versions of ARM GCC compiler such as Android toolchain throws in a '-fpic' flag by default. This causes the gcc-goto check script to fail although some config would have '-fno-pic' flag in the KBUILD_CFLAGS. This patch passes the KBUILD_CFLAGS to the check script so that the script does not rely on the default config from different compilers. Link: http://lkml.kernel.org/r/20170120234329.78868-1-dtwlin@google.com Signed-off-by: David Lin <dtwlin@google.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Cc: Michal Marek <mmarek@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* / / Linux 4.10-rc6v4.10-rc6Linus Torvalds2017-01-291-2/+2
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* | Linux 4.10-rc5v4.10-rc5Linus Torvalds2017-01-221-2/+2
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* | Linux 4.10-rc4v4.10-rc4Linus Torvalds2017-01-151-1/+1
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