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* Merge branch 'akpm' (patches from Andrew)Linus Torvalds2015-04-173-25/+148
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge third patchbomb from Andrew Morton: - various misc things - a couple of lib/ optimisations - provide DIV_ROUND_CLOSEST_ULL() - checkpatch updates - rtc tree - befs, nilfs2, hfs, hfsplus, fatfs, adfs, affs, bfs - ptrace fixes - fork() fixes - seccomp cleanups - more mmap_sem hold time reductions from Davidlohr * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (138 commits) proc: show locks in /proc/pid/fdinfo/X docs: add missing and new /proc/PID/status file entries, fix typos drivers/rtc/rtc-at91rm9200.c: make IO endian agnostic Documentation/spi/spidev_test.c: fix warning drivers/rtc/rtc-s5m.c: allow usage on device type different than main MFD type .gitignore: ignore *.tar MAINTAINERS: add Mediatek SoC mailing list tomoyo: reduce mmap_sem hold for mm->exe_file powerpc/oprofile: reduce mmap_sem hold for exe_file oprofile: reduce mmap_sem hold for mm->exe_file mips: ip32: add platform data hooks to use DS1685 driver lib/Kconfig: fix up HAVE_ARCH_BITREVERSE help text x86: switch to using asm-generic for seccomp.h sparc: switch to using asm-generic for seccomp.h powerpc: switch to using asm-generic for seccomp.h parisc: switch to using asm-generic for seccomp.h mips: switch to using asm-generic for seccomp.h microblaze: use asm-generic for seccomp.h arm: use asm-generic for seccomp.h seccomp: allow COMPAT sigreturn overrides ...
| * kasan: Makefile: shut up warnings if CONFIG_COMPILE_TEST=yAndrey Ryabinin2015-04-171-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | It might be annoying to constantly see this: scripts/Makefile.kasan:16: Cannot use CONFIG_KASAN: -fsanitize=kernel-address is not supported by compiler while performing allmodconfig/allyesconfig build tests. Disable this warning if CONFIG_COMPILE_TEST=y. Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch: avoid "spaces required around that ':'" false positiveJoe Perches2015-04-171-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit 1f65f947a6a8 ("checkpatch: add checks for question mark and colon spacing") back in 2008, checkpatch has reported false positive for asm volatile uses of "::" checkpatch thinks colons should always have spaces around it. Add an exception for colons with colons on either side for this valid asm volatile (and c++) use. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Yehuda Yitschak <yehuday@marvell.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch: fix --fix use with a patch of multiple filesJoe Perches2015-04-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | If a patch touches multiple files, the --fix and --fix-inplace option doesn't keep the proper line count and makes the new patch file not able to be applied via bad offset line numbers when lines are added or deleted by the --fix option. Dunno how that extra backslash snuck in there. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch.pl: new instances of ENOSYS are errorsAndy Lutomirski2015-04-171-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ENOSYS means that a nonexistent system call was called. We have a bad habit of using it for things like invalid operations on otherwise valid syscalls. We should avoid this in new code. Pervasive incorrect usage of ENOSYS came up at the kernel summit ABI review discussion. Let's see if checkpatch can help. I'll submit a separate patch for include/uapi/asm-generic/errno.h. Signed-off-by: Andy Lutomirski <luto@amacapital.net> Cc: Pavel Machek <pavel@ucw.cz> Cc: Michael Kerrisk <mtk.manpages@gmail.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch: add a test for const with __read_mostly usesJoe Perches2015-04-171-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | const objects shouldn't be __read_mostly. They are read-only. Marking these objects as __read_mostly causes section conflicts with LTO linking. So add a test to try to avoid this issue. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch: improve operator spacing checkSam Bobroff2015-04-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Code such as: x = timercmp(&now, &end, <); Will currently trigger a checkpatch error. e.g. ERROR: spaces required around that '<' This is because the "Ignore operators passed as parameters" check looks only for a comma following the operator. Improve the check by also looking for a close parenthesis. Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch: add 'Prefer ARRAY_SIZE" testJoe Perches2015-04-171-0/+13
| | | | | | | | | | | | | | | | Add a test for sizeof(foo)/sizeof(foo[0]) that could be ARRAY_SIZE(foo). Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch: add uart_ops to normally const structsJoe Perches2015-04-171-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | Add another struct to the list of normally const struct types Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@shadowen.org> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch: add #define foo "string" long line exceptionJoe Perches2015-04-171-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are #defines with long string constants like: #define foo "some really long string > 80 columns" Add a long line exception for them. Miscellanea: Use the $String variable for slightly better readability Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Madalin-Cristian Bucur <madalin.bucur@freescale.com> Cc: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch, SubmittingPatches: suggest line wrapping commit messages at 75 ↵Joe Perches2015-04-171-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | columns Commit messages lines are sometimes overly long. Suggest line wrapping at 75 columns so the default git commit log indentation of 4 plus the commit message text still fits on an 80 column screen. Add a checkpatch test for long commit messages lines too. Signed-off-by: Joe Perches <joe@perches.com> Cc: David Miller <davem@davemloft.net> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ian Morris <ipm@chirality.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch: don't ask for asm/file.h to linux/file.h unconditionallyFabian Frederick2015-04-171-7/+11
| | | | | | | | | | | | | | | | | | | | | | | | Currently checkpatch warns when asm/file.h is included and linux/file.h exists. That conversion can be made when linux/file.h includes asm/file.h which is not always the case.(See signal.h) Signed-off-by: Fabian Frederick <fabf@skynet.be> Cc: Andy Whitcroft <apw@canonical.com> Acked-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch: add test for repeated const usesJoe Perches2015-04-171-0/+18
| | | | | | | | | | | | | | | | | | | | | | Using 'const <type> const *' is generally meant to be written 'const <type> * const'. Add a test for the miswritten form. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch: improve return negative errno checkJoe Perches2015-04-171-3/+3
| | | | | | | | | | | | | | | | | | | | | | Add a few conditions to the test to find return (ERRNO); Make the output message a bit less cryptic too. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch: match more world writable permissionsJoe Perches2015-04-171-2/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently checkpatch will fuss if one uses world writable settings in debugfs files and DEVICE_ATTR uses by testing S_IWUGO but not testing S_IWOTH, S_IRWXUGO or S_IALLUGO. Extend the check to catch all cases exporting world writable permissions including octal values. [akpm@linux-foundation.org: remove stray $] Signed-off-by: Joe Perches <joe@perches.com> Original-patch-by: Nicholas Mc Guire <hofrat@osadl.org> Cc: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch: add optional --codespell dictionary to find more typosJoe Perches2015-04-171-4/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a codespell dictionary exists, use it if desired. default is off, maybe it could be turned on later. codespell's dictionary format allows multiple possible corrections, ignore that for now and only use the first suggestion. Also add \b to spelling test so that consecutive misspelled words are found properly. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: Kees Cook <keescook@chromium.org> Cc: Masanari Iida <standby24x7@gmail.com> Cc: Lucas De Marchi <lucas.de.marchi@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch: spell check reudceJani Nikula2015-04-171-0/+1
| | | | | | | | | | | | | | | | | | References: http://mid.gmane.org/1424977312-24902-1-git-send-email-ville.syrjala@linux.intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com> Cc: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch: add spell checking of email subject lineJoe Perches2015-04-171-1/+2
| | | | | | | | | | | | | | | | | | | | | | Only commit log and patch additions are checked for typos and spelling errors currently. Add a check of the email subject line too. Signed-off-by: Joe Perches <joe@perches.com> Suggested-by: Jani Nikula <jani.nikula@linux.intel.com> Tested-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * checkpatch: improve "no space is necessary after a cast" testJoe Perches2015-04-171-2/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The "no space is necessary after a cast" sizeof exclusion doesn't work properly. The test reports a false positive for code like: BUILD_BUG_ON(sizeof(struct batadv_bla_claim_dst) != 6); Make it work, simplify the exclusions, and add some comments. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge tag 'stable/for-linus-4.1-rc0-tag' of ↵Linus Torvalds2015-04-161-0/+12
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen features and fixes from David Vrabel: - use a single source list of hypercalls, generating other tables etc. at build time. - add a "Xen PV" APIC driver to support >255 VCPUs in PV guests. - significant performance improve to guest save/restore/migration. - scsiback/front save/restore support. - infrastructure for multi-page xenbus rings. - misc fixes. * tag 'stable/for-linus-4.1-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/pci: Try harder to get PXM information for Xen xenbus_client: Extend interface to support multi-page ring xen-pciback: also support disabling of bus-mastering and memory-write-invalidate xen: support suspend/resume in pvscsi frontend xen: scsiback: add LUN of restored domain xen-scsiback: define a pr_fmt macro with xen-pvscsi xen/mce: fix up xen_late_init_mcelog() error handling xen/privcmd: improve performance of MMAPBATCH_V2 xen: unify foreign GFN map/unmap for auto-xlated physmap guests x86/xen/apic: WARN with details. x86/xen: Provide a "Xen PV" APIC driver to support >255 VCPUs xen/pciback: Don't print scary messages when unsupported by hypervisor. xen: use generated hypercall symbols in arch/x86/xen/xen-head.S xen: use generated hypervisor symbols in arch/x86/xen/trace.c xen: synchronize include/xen/interface/xen.h with xen xen: build infrastructure for generating hypercall depending symbols xen: balloon: Use static attribute groups for sysfs entries xen: pcpu: Use static attribute groups for sysfs entry
| * xen: build infrastructure for generating hypercall depending symbolsJuergen Gross2015-03-161-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | Today there are several places in the kernel which build tables containing one entry for each possible Xen hypercall. Create an infrastructure to be able to generate these tables at build time. Based-on-patch-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: David Vrabel <david.vrabel@citrix.com> Acked-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
* | Merge branch 'kconfig' of ↵Linus Torvalds2015-04-1515-198/+174
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kconfig updates from Michal Marek: "Here is the kconfig stuff for v4.1-rc1: - fixes for mergeconfig (used by make kvmconfig/tinyconfig) - header cleanup - make -s *config is silent now" * 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kconfig: Do not print status messages in make -s mode kconfig: Simplify Makefile kbuild: add generic mergeconfig target, %.config merge_config.sh: rename MAKE to RUNMAKE merge_config.sh: improve indentation kbuild: mergeconfig: remove redundant $(objtree) kbuild: mergeconfig: move an error check to merge_config.sh kbuild: mergeconfig: fix "jobserver unavailable" warning kconfig: Remove unnecessary prototypes from headers kconfig: Remove dead code kconfig: Get rid of the P() macro in headers kconfig: fix a misspelling in scripts/kconfig/merge_config.sh
| * | kconfig: Do not print status messages in make -s modeMichal Marek2015-04-096-32/+62
| | | | | | | | | | | | | | | | | | | | | Add an -s option to the various frontends and pass it when make -s is used. Also, use $(kecho) instead of @echo in the Makefile. Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kconfig: Simplify MakefileMichal Marek2015-04-081-12/+8
| | | | | | | | | | | | | | | | | | Use a single rule for targets handled directly by the conf program. Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kbuild: add generic mergeconfig target, %.configMasahiro Yamada2015-03-241-10/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | "scripts/kconfig/merge_config.sh && make oldconfig" works well enough for merging local config fragments, but Kbuild currently has the entry points only for "kvmconfig" and "tinyconfig". This commit provides the generic target for mergeconfig, so we can manage our own config fragments easily: put "foo.config" in arch/$(SRCARCH)/configs/ or kernel/configs/, and then run "make foo.config". Now "make kvmconfig" is just a shorthand of "make kvm_guest.config". Likewise, "make tinyconfig" is equivalent to "make allnoconfig tiny.config". Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Reviewed-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | merge_config.sh: rename MAKE to RUNMAKEMasahiro Yamada2015-03-241-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The variable "MAKE" is used to store the command name that has invoked the Makefile. (Actually, it is already set to "make" if you run this script from a Makefile.) In this script, however, it is used to determine if Make should be run or not. It is not what we usually expect. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Reviewed-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | merge_config.sh: improve indentationMasahiro Yamada2015-03-241-8/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is true that we do not want to move the code too far to the right, but something like below is not preferred: if [ "x$PREV_VAL" != "x$NEW_VAL" ] ; then echo Value of $CFG is redefined by fragment $MERGE_FILE: echo Previous value: $PREV_VAL echo New value: $NEW_VAL echo elif [ "$WARNREDUN" = "true" ]; then echo Value of $CFG is redundant by fragment $MERGE_FILE: fi To fix this, call "continue" if the "grep" command fails to find the given CONFIG. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Reviewed-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kbuild: mergeconfig: remove redundant $(objtree)Masahiro Yamada2015-03-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Kbuild always runs in $(objtree). Actually, $(objtree) is always set to "." by the top-level Makefile. We can omit "-O $(objtree)" and "$(objtree)/". Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Reviewed-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kbuild: mergeconfig: move an error check to merge_config.shMasahiro Yamada2015-03-242-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, "make tinyconfig" does not work with "-j" option. $ make mrproper $ make -j8 tinyconfig HOSTCC scripts/basic/fixdep HOSTCC scripts/kconfig/conf.o SHIPPED scripts/kconfig/zconf.tab.c SHIPPED scripts/kconfig/zconf.lex.c SHIPPED scripts/kconfig/zconf.hash.c HOSTCC scripts/kconfig/zconf.tab.o HOSTLD scripts/kconfig/conf scripts/kconfig/conf --allnoconfig Kconfig # # configuration written to .config # scripts/kconfig/Makefile:122: *** You need an existing .config for this target. Stop. make: *** [tinyconfig] Error 2 As shown above, "allnoconfig" has created the .config file before mergeconfig is called, but Make still raises a false alarm because of some sort of race condition. We can fix this issue by moving the error check to the shell script. Anyway, scripts/kconfig/merge_config.sh always requires an existing .config as a base file. It is reasonable to check its existence in the shell script. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Reviewed-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kbuild: mergeconfig: fix "jobserver unavailable" warningMasahiro Yamada2015-03-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If "make kvmconfig" is run with "-j" option, a warning message, "jobserver unavailable: using -j1. Add `+' to parent make rule.", is displayed. $ make -s defconfig *** Default configuration is based on 'x86_64_defconfig' # # configuration written to .config # $ make -j8 kvmconfig Using ./.config as base Merging ./arch/x86/configs/kvm_guest.config [ snip ] # # merged configuration written to ./.config (needs make) # make[2]: warning: jobserver unavailable: using -j1. Add `+' to parent make rule. scripts/kconfig/conf --oldconfig Kconfig [ snip ] # # configuration written to .config # Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Reviewed-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kconfig: Remove unnecessary prototypes from headersMichal Marek2015-02-257-48/+40
| | | | | | | | | | | | Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kconfig: Remove dead codeMichal Marek2015-02-254-39/+0
| | | | | | | | | | | | Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kconfig: Get rid of the P() macro in headersMichal Marek2015-02-252-47/+43
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This was originally meant for dlopen()ing a potential kconfig shared library. The unused dlopen code has already been removed in commit 5a6f8d2b (kconfig: nuke LKC_DIRECT_LINK cruft), so let's remove the rest. The lkc_proto.h change was made with the following sed script: sed -r 's/^P\(([^,]*), *([^,]*), *(.*)\);/\2 \1\3;/' Plus some manual adjustments. Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kconfig: fix a misspelling in scripts/kconfig/merge_config.shMasahiro Yamada2015-02-251-1/+1
| | | | | | | | | | | | | | | Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | | Merge branch 'kbuild' of ↵Linus Torvalds2015-04-153-11/+22
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kbuild updates from Michal Marek: "Here is the first round of kbuild changes for v4.1-rc1: - kallsyms fix for ARM and cleanup - make dep(end) removed (developers have no sense of nostalgia these days...) - include Makefiles by relative path - stop useless rebuilds of asm-offsets.h and bounds.h" * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: Kbuild: kallsyms: drop special handling of pre-3.0 GCC symbols Kbuild: kallsyms: ignore veneers emitted by the ARM linker kbuild: ia64: use $(src)/Makefile.gate rather than particular path kbuild: include $(src)/Makefile rather than $(obj)/Makefile kbuild: use relative path more to include Makefile kbuild: use relative path to include Makefile kbuild: do not add $(bounds-file) and $(offsets-file) to targets kbuild: remove warning about "make depend" kbuild: Don't reset timestamps in include/generated if not needed
| * | | Kbuild: kallsyms: drop special handling of pre-3.0 GCC symbolsArd Biesheuvel2015-04-071-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since we have required at least GCC v3.2 for some time now, we can drop the special handling of the 'gcc[0-9]_compiled.' label which is not emitted anymore since GCC v3.0. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | Kbuild: kallsyms: ignore veneers emitted by the ARM linkerArd Biesheuvel2015-04-071-9/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When linking large kernels on ARM, the linker will insert veneers (i.e., PLT like stubs) when function symbols are out of reach for the ordinary relative branch/branch-and-link instructions. However, due to the fact that the kallsyms region sits in .rodata, which is between .text and .init.text, additional veneers may be emitted in the second pass due to the fact that the size of the kallsyms region itself has pushed the .init.text section further apart, requiring even more veneers. So ignore the veneers when generating the symbol table. Veneers have no corresponding source code, and they will not turn up in backtraces anyway. This patch also lightly refactors the symbol_valid() function to use a local 'sym_name' rather than the obfuscated 'sym + 1' and 'sym + offset' Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kbuild: include $(src)/Makefile rather than $(obj)/MakefileMasahiro Yamada2015-04-022-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit actually has no impact because $(src) and $(obj) point to the same path, but $(src)/Makefile looks better when we include source files. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | | kbuild: use relative path to include MakefileMasahiro Yamada2015-04-022-2/+2
| |/ / | | | | | | | | | | | | | | | | | | | | | The "MAKEFLAGS += --include-dir=$(srctree)" line in the top Makefile allows us to do this. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | / scripts/coccinelle/misc/bugon.cocci: update bug_on conversion warningFabian Frederick2015-04-151-1/+1
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | if()/BUG conversion to BUG_ON must be avoided when there's side effect in condition. The reason being BUG_ON won't execute the condition when CONFIG_BUG is not defined. With inspiration from Bruce Fields. Signed-off-by: Fabian Frederick <fabf@skynet.be> Suggested-by: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Julia Lawall <Julia.Lawall@lip6.fr> Cc: J. Bruce Fields <bfields@fieldses.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | scripts/gdb: add empty package initialization scriptJan Kiszka2015-02-281-0/+1
|/ | | | | | | | | | This got lost during the initial merge process: Python requires an __init__.py script, even if empty, in order to accept a directory as package. Add it, this time as a non-empty file. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'kconfig' of ↵Linus Torvalds2015-02-192-0/+6
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kconfig updates from Michal Marek: "Yann E Morin was supposed to take over kconfig maintainership, but this hasn't happened. So I'm sending a few kconfig patches that I collected: - Fix for missing va_end in kconfig - merge_config.sh displays used if given too few arguments - s/boolean/bool/ in Kconfig files for consistency, with the plan to only support bool in the future" * 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kconfig: use va_end to match corresponding va_start merge_config.sh: Display usage if given too few arguments kconfig: use bool instead of boolean for type definition attributes
| * kconfig: use va_end to match corresponding va_startColin Ian King2015-01-271-0/+1
| | | | | | | | | | | | | | | | | | | | | | Although on some systems va_end is a no-op, it is good practice to use va_end, especially since the manual states: "Each invocation of va_start() must be matched by a corresponding invocation of va_end() in the same function." Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * merge_config.sh: Display usage if given too few argumentsOlof Johansson2015-01-071-0/+5
| | | | | | | | | | | | | | | | Two or more arguments are always expected. Show usage and exit if given less. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | Merge branch 'misc' of ↵Linus Torvalds2015-02-191-3/+14
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull misc kbuild changes from Michal Marek: "Just a few non-critical kbuild changes: - builddeb adds the actual distribution name in the changelog - documentation fixes" * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild: trivial - fix the help doc of CONFIG_CC_OPTIMIZE_FOR_SIZE kbuild: Update documentation of clean-files and clean-dirs builddeb: Try to determine distribution builddeb: Update year and git repository URL in debian/copyright
| * | builddeb: Try to determine distributionSedat Dilek2015-01-061-1/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | lsb_release command is a good choice to determine the distribution name for the changelog file in the generated Debian packages [1]. Its installation is no precondition. In Debian it is still not essential or build-essential. Ben gave some helpful informations and detailed explanations in [2]. There he also suggested to have an option to explicitly set the distribution name (see $KDEB_CHANGELOG_DIST variable). Embedded the improvement as suggested by Thorsten (see [3]): "This is suboptimal: if KDEB_CHANGELOG_DIST is defined, lsb_release is not necessary. The following snippet also omits using its output if it fails but still produces any:" Dealing with this issue I learned about "The Colon in the Shell." and possible pitfalls in this area (see [4,5]). Furthermore, refreshed my knowledge about redirecting outputs with the echo command (see [5]). Special thanks to Thorsten, I enjoyed the IRC session with you. Cooked together the snippets of Ben and Thorsten (see [2,3]). Tested against Linux v3.19-rc2. Thanks goes to Alexander, Ben, maximilian and Thorsten for the very vital help. [1] https://lkml.org/lkml/2012/4/23/516 [2] http://marc.info/?l=linux-kbuild&m=142022188322321&w=2 [3] http://marc.info/?l=linux-kbuild&m=142023476825460&w=2 [4] http://blog.brlink.eu/index.html#i70 [5] https://www.mirbsd.org/permalinks/wlog-10_e20141209-tg.htm [6] http://stackoverflow.com/questions/23489934/echo-2-some-text-what-does-it-mean-in-shell-scripting CC: Alexander Wirt <formorer@debian.org> Suggested-by: Ben Hutchings <ben@decadent.org.uk> Suggested-by: Thorsten Glaser <tg@mirbsd.org> Reviewed-by: Ben Hutchings <ben@decadent.org.uk> Acked-by: maximilian attems <max@stro.at> [ dileks: Reviewed his suggested diff in RFC v4 ] Reviewed-by: Thorsten Glaser <tg@debian.org> Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | builddeb: Update year and git repository URL in debian/copyrightSedat Dilek2015-01-021-2/+2
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Happy new 2015! I have combined two patches which I had already sent to linux-kbuild ML. Today, I prefer "builddeb" as a label for such patches. [1] http://marc.info/?l=linux-kbuild&m=133521955904706 [2] http://marc.info/?l=linux-kbuild&m=133521955004705 CC: Ben Hutchings <ben@decadent.org.uk> CC: maximilian attems <max@stro.at> Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | Merge branch 'kbuild' of ↵Linus Torvalds2015-02-192-8/+2
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kbuild updates from Michal Marek: - several cleanups in kbuild - serialize multiple *config targets so that 'make defconfig kvmconfig' works - The cc-ifversion macro got support for an else-branch * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild,gcov: simplify kernel/gcov/Makefile more kbuild: allow cc-ifversion to have the argument for false condition kbuild,gcov: simplify kernel/gcov/Makefile kbuild,gcov: remove unnecessary workaround kbuild: do not add $(call ...) to invoke cc-version or cc-fullversion kbuild: fix cc-ifversion macro kbuild: drop $(version_h) from MRPROPER_FILES kbuild: use mixed-targets when two or more config targets are given kbuild: remove redundant line from bounds.h/asm-offsets.h kbuild: merge bounds.h and asm-offsets.h rules kbuild: Drop support for clean-rule
| * | kbuild: allow cc-ifversion to have the argument for false conditionMasahiro Yamada2015-01-091-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | The macro "try-run" can have an argument for each of true and false cases. Having an argument for the false case of cc-ifversion (and ld-ifversion) would be useful too. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kbuild: do not add $(call ...) to invoke cc-version or cc-fullversionMasahiro Yamada2015-01-091-5/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | The macros cc-version, cc-fullversion and ld-version take no argument. It is not necessary to add $(call ...) to invoke them. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Helge Deller <deller@gmx.de> [parisc] Signed-off-by: Michal Marek <mmarek@suse.cz>
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