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2015-02-09tracing: Fix unmapping loop in tracing_mark_writeVikram Mulukutla1-1/+1
Commit 6edb2a8a385f0cdef51dae37ff23e74d76d8a6ce introduced an array map_pages that contains the addresses returned by kmap_atomic. However, when unmapping those pages, map_pages[0] is unmapped before map_pages[1], breaking the nesting requirement as specified in the documentation for kmap_atomic/kunmap_atomic. This was caught by the highmem debug code present in kunmap_atomic. Fix the loop to do the unmapping properly. Link: http://lkml.kernel.org/r/1418871056-6614-1-git-send-email-markivx@codeaurora.org Cc: stable@vger.kernel.org # 3.5+ Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Reported-by: Lime Yang <limey@codeaurora.org> Signed-off-by: Vikram Mulukutla <markivx@codeaurora.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2015-02-09tracing: Add samples of DECLARE_EVENT_CLASS() and DEFINE_EVENT()Steven Rostedt (Red Hat)2-0/+88
Add to samples/trace_events/ the macros DECLARE_EVENT_CLASS() and DEFINE_EVENT() and recommend using them over multiple TRACE_EVENT() macros if the multiple events have the same format. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2015-02-09tracing: Add TRACE_EVENT_FN exampleSteven Rostedt (Red Hat)2-0/+95
If a function should be called before a tracepoint is enabled and/or after it is disabled, the TRACE_EVENT_FN() serves this purpose. But it is not well documented. Having it as a sample would help developers to know how to use it. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2015-02-09tracing: Add TRACE_EVENT_CONDITION sampleSteven Rostedt (Red Hat)2-0/+61
The sample code lacks an example of TRACE_EVENT_CONDITION, and it has been expressed to me that this feature for TRACE_EVENT is not well known and not used when it could be. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2015-02-09tracing: Update the TRACE_EVENT fields available in the sample codeSteven Rostedt (Red Hat)2-14/+150
The sample code in samples/trace_events/ is extremely out of date and does not show all the new fields that have been added since the sample code was written. As most people are unaware of these new fields, adding sample code and explanations of those fields should help out. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2015-02-02tracing: Separate out initializing top level dir from instancesSteven Rostedt (Red Hat)1-21/+30
The top level trace array is treated a little different than the instances, as it has to deal with more of the general tracing. The tr->dir is the tracing directory, which is an immutable dentry, where as the tr->dir of instances are the dentry that was created, and can be destroyed later. These should have different functions accessing them. As only tracing_init_dentry() deals with the top level array, fold the code for it into that function, and remove the trace_init_dentry_tr() that was also used by the instances to get their directory dentry. Add a tracing_get_dentry() to just get the tracing dir entry for instances as well as the top level array. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2015-02-02tracing: Make tracing_init_dentry_tr() staticSteven Rostedt (Red Hat)2-2/+1
tracing_init_dentry_tr() is not used outside of trace.c, it should be static. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2015-01-28trace: Use 64-bit timekeepingTina Ruchandani1-10/+8
The ring_buffer_producer uses 'struct timeval' to measure its start and end times. 'struct timeval' on 32-bit systems will have its tv_sec value overflow in year 2038 and beyond. This patch replaces struct timeval with 'ktime_t' which uses 64-bit representation for nanoseconds. Link: http://lkml.kernel.org/r/20150128141611.GA2701@tinar Suggested-by: Arnd Bergmann <arnd@arndb.de> Suggested-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Tina Ruchandani <ruchandani.tina@gmail.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2015-01-28tracing: Add array printing helperDave Martin3-0/+57
If a trace event contains an array, there is currently no standard way to format this for text output. Drivers are currently hacking around this by a) local hacks that use the trace_seq functionailty directly, or b) just not printing that information. For fixed size arrays, formatting of the elements can be open-coded, but this gets cumbersome for arrays of non-trivial size. These approaches result in non-standard content of the event format description delivered to userspace, so userland tools needs to be taught to understand and parse each array printing method individually. This patch implements a __print_array() helper that tracepoint implementations can use instead of reinventing it. A simple C-style syntax is used to delimit the array and its elements {like,this}. So that the helpers can be used with large static arrays as well as dynamic arrays, they take a pointer and element count: they can be used with __get_dynamic_array() for use with dynamic arrays. Link: http://lkml.kernel.org/r/1422449335-8289-2-git-send-email-javi.merino@arm.com Cc: Ingo Molnar <mingo@redhat.com> Signed-off-by: Dave Martin <Dave.Martin@arm.com> Signed-off-by: Javi Merino <javi.merino@arm.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2015-01-27tracing: Remove newline from trace_printk warning bannerBorislav Petkov1-1/+2
Remove the output-confusing newline below: [ 0.191328] ********************************************************** [ 0.191493] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.191586] ** ** ... Link: http://lkml.kernel.org/r/1422375440-31970-1-git-send-email-bp@alien8.de Signed-off-by: Borislav Petkov <bp@suse.de> [ added an extra '\n' by itself, to keep what it was suppose to do ] Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2015-01-22tracing: Use IS_ERR() check for return value of tracing_init_dentry()Steven Rostedt (Red Hat)9-12/+12
tracing_init_dentry() will soon return NULL as a valid pointer for the top level tracing directroy. NULL can not be used as an error value. Instead, switch to ERR_PTR() and check the return status with IS_ERR(). Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2015-01-22tracing: Remove unneeded includes of debugfs.h and fs.hSteven Rostedt (Red Hat)9-17/+0
The creation of tracing files and directories is for the most part encapsulated in helper functions in trace.c. Other files do not need to include debugfs.h or fs.h, as they may have needed to in the past. Remove them from the files that do not need them. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2014-12-22tracing: Remove taking of trace_types_lock in pipe filesSteven Rostedt (Red Hat)1-82/+28
Taking the global mutex "trace_types_lock" in the trace_pipe files causes a bottle neck as most the pipe files can be read per cpu and there's no reason to serialize them. The current_trace variable was given a ref count and it can not change when the ref count is not zero. Opening the trace_pipe files will up the ref count (and decremented on close), so that the lock no longer needs to be taken when accessing the current_trace variable. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2014-12-22tracing: Add ref count to tracer for when they are being read by pipeSteven Rostedt (Red Hat)2-1/+16
When one of the trace pipe files are being read (by either the trace_pipe or trace_pipe_raw), do not allow the current_trace to change. By adding a ref count that is incremented when the pipe files are opened, will prevent the current_trace from being changed. This will allow for the removal of the global trace_types_lock from reading the pipe buffers (which is currently a bottle neck). Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2014-12-20Linux 3.19-rc1v3.19-rc1Linus Torvalds1-2/+2
2014-12-20Merge tag 'for-linus' of ↵Linus Torvalds10-25/+103
git://git.kernel.org/pub/scm/linux/kernel/git/borntraeger/linux Pull ACCESS_ONCE cleanup preparation from Christian Borntraeger: "kernel: Provide READ_ONCE and ASSIGN_ONCE As discussed on LKML http://marc.info/?i=54611D86.4040306%40de.ibm.com ACCESS_ONCE might fail with specific compilers for non-scalar accesses. Here is a set of patches to tackle that problem. The first patch introduce READ_ONCE and ASSIGN_ONCE. If the data structure is larger than the machine word size memcpy is used and a warning is emitted. The next patches fix up several in-tree users of ACCESS_ONCE on non-scalar types. This does not yet contain a patch that forces ACCESS_ONCE to work only on scalar types. This is targetted for the next merge window as Linux next already contains new offenders regarding ACCESS_ONCE vs. non-scalar types" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/borntraeger/linux: s390/kvm: REPLACE barrier fixup with READ_ONCE arm/spinlock: Replace ACCESS_ONCE with READ_ONCE arm64/spinlock: Replace ACCESS_ONCE READ_ONCE mips/gup: Replace ACCESS_ONCE with READ_ONCE x86/gup: Replace ACCESS_ONCE with READ_ONCE x86/spinlock: Replace ACCESS_ONCE with READ_ONCE mm: replace ACCESS_ONCE with READ_ONCE or barriers kernel: Provide READ_ONCE and ASSIGN_ONCE
2014-12-20Merge tag 'clk-for-linus-3.19' of ↵Linus Torvalds94-690/+6663
git://git.linaro.org/people/mike.turquette/linux Pull clk framework updates from Mike Turquette: "This is much later than usual due to several last minute bugs that had to be addressed. As usual the majority of changes are new drivers and modifications to existing drivers. The core recieved many fixes along with the groundwork for several large changes coming in the future which will better parition clock providers from clock consumers" * tag 'clk-for-linus-3.19' of git://git.linaro.org/people/mike.turquette/linux: (86 commits) clk: samsung: Fix Exynos 5420 pinctrl setup and clock disable failure due to domain being gated ARM: OMAP3: clock: fix boot breakage in legacy mode ARM: OMAP2+: clock: fix DPLL code to use new determine rate APIs clk: Really fix deadlock with mmap_sem clk: mmp: fix sparse non static symbol warning clk: Change clk_ops->determine_rate to return a clk_hw as the best parent clk: change clk_debugfs_add_file to take a struct clk_hw clk: Don't expose __clk_get_accuracy clk: Don't try to use a struct clk* after it could have been freed clk: Remove unused function __clk_get_prepare_count clk: samsung: Fix double add of syscore ops after driver rebind clk: samsung: exynos4: set parent of sclk_hdmiphy to hdmi clk: samsung: exynos4415: Fix build with PM_SLEEP disabled clk: samsung: remove unnecessary inclusion of header files from clk.h clk: samsung: remove unnecessary CONFIG_OF from clk.c clk: samsung: Spelling s/bwtween/between/ clk: rockchip: Add support for the mmc clock phases using the framework clk: rockchip: add bindings for the mmc clocks clk: rockchip: rk3288 export i2s0_clkout for use in DT clk: rockchip: use clock ID for DMC (memory controller) on rk3288 ...
2014-12-20Merge branch 'i2c/for-next' of ↵Linus Torvalds7-2804/+252
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull more i2c updates from Wolfram Sang: "Included are two bugfixes needing some bigger refactoring (sh_mobile: deferred probe with DMA, mv64xxx: fix offload support) and one deprecated driver removal I thought would go in via ppc but I misunderstood. It has a proper ack from BenH" * 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: sh_mobile: fix uninitialized var when debug is enabled macintosh: therm_pm72: delete deprecated driver i2c: sh_mobile: I2C_SH_MOBILE should depend on HAS_DMA i2c: sh_mobile: rework deferred probing i2c: sh_mobile: refactor DMA setup i2c: mv64xxx: rework offload support to fix several problems i2c: mv64xxx: use BIT() macro for register value definitions
2014-12-20Merge tag 'scsi-for-linus' of ↵Linus Torvalds51-366/+151
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI update from James Bottomley: "This is a much shorter set of patches that were on the go but didn't make it in to the early pull request for the merge window. It's really a set of bug fixes plus some final cleanup work on the new tag queue API" * tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: storvsc: ring buffer failures may result in I/O freeze ipr: set scsi_level correctly for disk arrays ipr: add support for async scanning to speed up boot scsi_debug: fix missing "break;" in SDEBUG_UA_CAPACITY_CHANGED case scsi_debug: take sdebug_host_list_lock when changing capacity scsi_debug: improve driver description in Kconfig scsi_debug: fix compare and write errors qla2xxx: fix race in handling rport deletion during recovery causes panic scsi: blacklist RSOC for Microsoft iSCSI target devices scsi: fix random memory corruption with scsi-mq + T10 PI Revert "[SCSI] mpt3sas: Remove phys on topology change" Revert "[SCSI] mpt2sas: Remove phys on topology change." esas2r: Correct typos of "validate" in a comment fc: FCP_PTA_SIMPLE is 0 ibmvfc: remove unused tag variable scsi: remove MSG_*_TAG defines scsi: remove scsi_set_tag_type scsi: remove scsi_get_tag_type scsi: never drop to untagged mode during queue ramp down scsi: remove ->change_queue_type method
2014-12-20Merge tag 'pm-config-3.19-rc1' of ↵Linus Torvalds41-61/+52
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull CONFIG_PM_RUNTIME elimination from Rafael Wysocki: "This removes the last few uses of CONFIG_PM_RUNTIME introduced recently and makes that config option finally go away. CONFIG_PM will be available directly from the menu now and also it will be selected automatically if CONFIG_SUSPEND or CONFIG_HIBERNATION is set" * tag 'pm-config-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PM: Eliminate CONFIG_PM_RUNTIME tty: 8250_omap: Replace CONFIG_PM_RUNTIME with CONFIG_PM sound: sst-haswell-pcm: Replace CONFIG_PM_RUNTIME with CONFIG_PM spi: Replace CONFIG_PM_RUNTIME with CONFIG_PM
2014-12-20Merge branch 'misc' of ↵Linus Torvalds3-1/+8
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull misc kbuild changes from Michal Marek: "There are only a few things in the misc branch: - Fix for bugon.cocci semantic patch - Kdevelop4 files are .gitignored - Put make binrpm-pkg on diet" * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: scripts/package: binrpm-pkg do not create source and devel package .gitignore: Add Kdevelop4 project files bugon.cocci: fix Options at the macro
2014-12-20Merge branch 'kbuild' of ↵Linus Torvalds5-23/+21
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kbuild updates from Michal Marek: "Here are the kbuild changes for v3.19-rc1: - Cleanups and deduplication in the main Makefile and scripts/Makefile.* - Sort the output of *config targets in make help - Old <linux/version.h> is always removed to avoid a surprise during bisecting - Warning fix in kconfig" * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild: remove redundant -rR flag of hdr-inst kbuild: Fix make help-<board series> on powerpc kbuild: Automatically remove stale <linux/version.h> file kconfig: Fix warning "‘jump’ may be used uninitialized" Makefile: sort list of defconfig targets in make help output kbuild: Remove duplicate $(cmd) definition in Makefile.clean kbuild: collect shorthands into scripts/Kbuild.include
2014-12-20i2c: sh_mobile: fix uninitialized var when debug is enabledWolfram Sang1-0/+1
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-12-19Merge branch 'for-linus' of ↵Linus Torvalds17-119/+29
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs pile #3 from Al Viro: "Assorted fixes and patches from the last cycle" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: [regression] chunk lost from bd9b51 vfs: make mounts and mountstats honor root dir like mountinfo does vfs: cleanup show_mountinfo init: fix read-write root mount unfuck binfmt_misc.c (broken by commit e6084d4) vm_area_operations: kill ->migrate() new helper: iter_is_iovec() move_extent_per_page(): get rid of unused w_flags lustre: get rid of playing with ->fs btrfs: filp_open() returns ERR_PTR() on failure, not NULL...
2014-12-19Merge tag 'ecryptfs-3.19-rc1-fixes' of ↵Linus Torvalds4-19/+16
git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs Pull eCryptfs fixes from Tyler Hicks: "Fixes for filename decryption and encrypted view plus a cleanup - The filename decryption routines were, at times, writing a zero byte one character past the end of the filename buffer - The encrypted view feature attempted, and failed, to roll its own form of enforcing a read-only mount instead of letting the VFS enforce it" * tag 'ecryptfs-3.19-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tyhicks/ecryptfs: eCryptfs: Remove buggy and unnecessary write in file name decode routine eCryptfs: Remove unnecessary casts when parsing packet lengths eCryptfs: Force RO mount when encrypted view is enabled
2014-12-19Merge branch 'for-linus' of ↵Linus Torvalds4-25/+20
git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Pull more btrfs updates from Chris Mason: "This is part two of our merge window patches. These are all from Filipe, and fix some really hard to find races that can cause corruptions. Most of them involved block group removal (balance) or discard" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: remove non-sense btrfs_error_discard_extent() function Btrfs: fix fs corruption on transaction abort if device supports discard Btrfs: always clear a block group node when removing it from the tree Btrfs: ensure deletion from pinned_chunks list is protected
2014-12-19Merge tag 'sound-fix-3.19-rc1' of ↵Linus Torvalds24-51/+139
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Here are a few fixes that have landed after the previous pull request. All are driver specific fixes including: - error/int value fixes in OXFW, - Intel Skylake HD-audio HDMI codec support, - Additional HD-audio Realtek codecs and AD1986A codec fixes/quirks, - a few more DSD support and a quirk for Arcam rPAC in usb-audio, - a typo fix for Scarlett 6i6, - fixes for new ASIHPI firmware, - ASoC Exynos7 cleanups, - Intel ACPI support, and - a fix for PCM512 register cache sync" * tag 'sound-fix-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (24 commits) ALSA: usb-audio: extend KEF X300A FU 10 tweak to Arcam rPAC ALSA: hda/realtek - New codec support for ALC298 ALSA: asihpi: update to HPI version 4.14 ALSA: asihpi: increase tuner pad cache size ALSA: asihpi: relax firmware version check ALSA: usb-audio: Fix Scarlett 6i6 initialization typo ALSA: hda - Add quirk for Packard Bell EasyNote MX65 ALSA: usb-audio: add native DSD support for Matrix Audio DACs ALSA: hda/realtek - New codec support for ALC256 ALSA: hda/realtek - Add new Dell desktop for ALC3234 headset mode ASoC: Intel: fix possible acpi enumeration panic ALSA: hda/hdmi - apply Haswell fix-ups to Skylake display codec ASoC: Intel: fix return value check in sst_acpi_probe() ALSA: hda - Make add_stereo_mix_input flag tristate ALSA: hda - Create capture source ctls when stereo mix input is added ALSA: hda - Fix typos in snd_hda_get_int_hint() kerneldoc comments ALSA: hda - add codec ID for Skylake display audio codec ALSA: oxfw: some signedness bugs ALSA: oxfw: fix detect_loud_models() return value ASoC: rt5677: add REGMAP_I2C and REGMAP_IRQ dependency ...
2014-12-19Merge branch 'for-next' of ↵Linus Torvalds23-1238/+1511
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending Pull SCSI target fixes from Nicholas Bellinger: "The highlights this merge window include: - Allow target fabric drivers to function as built-in. (Roland) - Fix tcm_loop multi-TPG endpoint nexus bug. (Hannes) - Move per device config_item_type into se_subsystem_api, allowing configfs attributes to be defined at module_init time. (Jerome + nab) - Convert existing IBLOCK/FILEIO/RAMDISK/PSCSI/TCMU drivers to use external configfs attributes. (nab) - A number of iser-target fixes related to active session + network portal shutdown stability during extended stress testing. (Sagi + Slava) - Dynamic allocation of T10-PI contexts for iser-target, fixing a potentially bogus iscsi_np->tpg_np pointer reference in >= v3.14 code. (Sagi) - iser-target performance + scalability improvements. (Sagi) - Fixes for SPC-4 Persistent Reservation AllRegistrants spec compliance. (Ilias + James + nab) - Avoid potential short kern_sendmsg() in iscsi-target for now until Al's conversion to use msghdr iteration is merged post -rc1. (Viro) Also, Sagi has requested a number of iser-target patches (9) that address stability issues he's encountered during extended stress testing be considered for v3.10.y + v3.14.y code. Given the amount of LOC involved, it will certainly require extra backporting effort. Apologies in advance to Greg-KH & Co on this. Sagi and I will be working post-merge to ensure they each get applied correctly" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (53 commits) target: Allow AllRegistrants to re-RESERVE existing reservation uapi/linux/target_core_user.h: fix headers_install.sh badness iscsi-target: Fail connection on short sendmsg writes iscsi-target: nullify session in failed login sequence target: Avoid dropping AllRegistrants reservation during unregister target: Fix R_HOLDER bit usage for AllRegistrants iscsi-target: Drop left-over bogus iscsi_np->tpg_np iser-target: Fix wc->wr_id cast warning iser-target: Remove code duplication iser-target: Adjust log levels and prettify some prints iser-target: Use debug_level parameter to control logging level iser-target: Fix logout sequence iser-target: Don't wait for session commands from completion context iser-target: Reduce CQ lock contention by batch polling iser-target: Introduce isert_poll_budget iser-target: Remove an atomic operation from the IO path iser-target: Remove redundant call to isert_conn_terminate iser-target: Use single CQ for TX and RX iser-target: Centralize completion elements to a context iser-target: Cast wr_id with uintptr_t instead of unsinged long ...
2014-12-19Merge branch 'for-linus' of ↵Linus Torvalds8-27/+38
git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel Pull arch/hexagon updates from Richard Kuo: "Build cleanup and a few misc fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel: Hexagon: fix signal delivery for debug traps Hexagon: set ARCH_DMA_MINALIGN Hexagon: fix alignment of init_task in RW_DATA_SECTION hexagon: Fix build failures in linux-next
2014-12-19Merge tag 'cris-changes-for-3.19' of ↵Linus Torvalds17-816/+1039
git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris Pull arch/chris updates from Jesper Nilsson: "Mostly cleanup and build fixes for CRISv32 allmodconfig God Jul och Gott Nytt år!" * tag 'cris-changes-for-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris: CRISv32: Remove last remnants of ETRAX_SPI_MMC_BOARD CRISv32: ETRAXFS: Fix recursive spinlock CRISv32: Select MTDRAM for axisflashmap CRISv32: Implement early console CRIS: Use KALLSYMs if available in call stack dump CRISv32: Fix declaration mismatch CRISv32: Rewrite of synchronous serial port driver CRIS: Update init memory handling CRISv32: Better handling of watchdog bite CRIS: Export missing function symbols CRIS: Export ioremap_nocache CRIS: Fix headers_install CRISv32: Add missing include for mm.h CRISv32: Drop obsolete file for SPI driver
2014-12-19Merge tag 'please-pull-misc-3.19' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux Pull ia64 __get_cpu_var removal from Tony Luck: "__get_cpu_var removed from rest of tree, drop reference from comments in arch/ia64" * tag 'please-pull-misc-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: [IA64] Update comment that references __get_cpu_var
2014-12-20CRISv32: Remove last remnants of ETRAX_SPI_MMC_BOARDJesper Nilsson1-7/+0
There are no users of this symbol left. Reported-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2014-12-20CRISv32: ETRAXFS: Fix recursive spinlockJesper Nilsson2-71/+83
Move pinmux alloc/dealloc code into functions that don't take the spinlock so we can use from code that has the spinlock already. CRISv32 has no working SMP, so spinlocks becomes a NOP, so deadlock was never seen. Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2014-12-20CRISv32: Select MTDRAM for axisflashmapJesper Nilsson1-0/+1
Fixes compile error on allmodconfig. Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2014-12-20CRISv32: Implement early consoleJesper Nilsson1-26/+56
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2014-12-20CRIS: Use KALLSYMs if available in call stack dumpJesper Nilsson1-27/+34
Also, print kernel version on oops. Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2014-12-20CRISv32: Fix declaration mismatchJesper Nilsson1-1/+0
Drop i2c_init from this header, it was declared non-static here, but static in the C-file. Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2014-12-20CRISv32: Rewrite of synchronous serial port driverJesper Nilsson1-639/+791
Make driver possible to load as a module and try to handle locking better. Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2014-12-20CRIS: Update init memory handlingJesper Nilsson1-5/+33
- Add free_initrd_mem as found by Guenter Roeck <linux@roeck-us.net> - Add free_init_pages - Export empty_zero_page symbol Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2014-12-20CRISv32: Better handling of watchdog biteJesper Nilsson1-11/+17
Don't enter watchdog handling if we're already in watchdog handling. Also some minor formatting tweaks. Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2014-12-20CRIS: Export missing function symbolsJesper Nilsson3-19/+19
strcmp was lost when all other string functions were removed, but we still have an optimized version for this on CRISv32, so any driver built as a module would not have access to this symbol. In a similar manner, we had optimized versions of csum_partial_copy_from_user and __do_clear_user but no exported symbols for them, breaking bunch of other drivers when built as a module. At the same time, move EXPORT_SYMBOL(__copy_user) and EXPORT_SYMBOL(__copy_user_zeroing) C-files so it's located together with the function definition. Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2014-12-20CRIS: Export ioremap_nocacheJesper Nilsson1-1/+2
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2014-12-20CRIS: Fix headers_installSam Ravnborg3-8/+2
Fix headers_install by adjusting the path to arch files. And delete unused Kbuild file. Drop special handling of cris in the headers.sh script as a nice side-effect. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Mikael Starvik <starvik@axis.com> Cc: David Howells <dhowells@redhat.com> Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2014-12-20CRISv32: Add missing include for mm.hJesper Nilsson1-0/+1
Fixes the following compile error. arch/cris/arch-v32/kernel/time.c: In function 'reset_watchdog': arch/cris/arch-v32/kernel/time.c:121:2: error: implicit declaration of function 'global_page_state' Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2014-12-19CRISv32: Drop obsolete file for SPI driverJesper Nilsson1-1/+0
File was already deleted. Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
2014-12-19Merge branch 'x86-apic-for-linus' of ↵Linus Torvalds37-1412/+1607
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 apic updates from Thomas Gleixner: "After stopping the full x86/apic branch, I took some time to go through the first block of patches again, which are mostly cleanups and preparatory work for the irqdomain conversion and ioapic hotplug support. Unfortunaly one of the real problematic commits was right at the beginning, so I rebased this portion of the pending patches without the offenders. It would be great to get this into 3.19. That makes reworking the problematic parts simpler. The usual tip testing did not unearth any issues and it is fully bisectible now. I'm pretty confident that this wont affect the calmness of the xmas season. Changes: - Split the convoluted io_apic.c code into domain specific parts (vector, ioapic, msi, htirq) - Introduce proper helper functions to retrieve irq specific data instead of open coded dereferencing of pointers - Preparatory work for ioapic hotplug and irqdomain conversion - Removal of the non functional pci-ioapic driver - Removal of unused irq entry stubs - Make native_smp_prepare_cpus() preemtible to avoid GFP_ATOMIC allocations for everything which is called from there. - Small cleanups and fixes" * 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits) iommu/amd: Use helpers to access irq_cfg data structure associated with IRQ iommu/vt-d: Use helpers to access irq_cfg data structure associated with IRQ x86: irq_remapping: Use helpers to access irq_cfg data structure associated with IRQ x86, irq: Use helpers to access irq_cfg data structure associated with IRQ x86, irq: Make MSI and HT_IRQ indepenent of X86_IO_APIC x86, irq: Move IRQ initialization routines from io_apic.c into vector.c x86, irq: Move IOAPIC related declarations from hw_irq.h into io_apic.h x86, irq: Move HT IRQ related code from io_apic.c into htirq.c x86, irq: Move PCI MSI related code from io_apic.c into msi.c x86, irq: Replace printk(KERN_LVL) with pr_lvl() utilities x86, irq: Make UP version of irq_complete_move() an inline stub x86, irq: Move local APIC related code from io_apic.c into vector.c x86, irq: Introduce helpers to access struct irq_cfg x86, irq: Protect __clear_irq_vector() with vector_lock x86, irq: Rename local APIC related functions in io_apic.c as apic_xxx() x86, irq: Refine hw_irq.h to prepare for irqdomain support x86, irq: Convert irq_2_pin list to generic list x86, irq: Kill useless parameter 'irq_attr' of IO_APIC_get_PCI_irq_vector() x86, irq, acpi: Get rid of special handling of GSI for ACPI SCI x86, irq: Introduce helper to check whether an IOAPIC has been registered ...
2014-12-19PM: Eliminate CONFIG_PM_RUNTIMERafael J. Wysocki37-48/+39
Having switched over all of the users of CONFIG_PM_RUNTIME to use CONFIG_PM directly, turn the latter into a user-selectable option and drop the former entirely from the tree. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Kevin Hilman <khilman@linaro.org>
2014-12-19Merge branch 'timers-urgent-for-linus' of ↵Linus Torvalds2-4/+0
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull NOHZ update from Thomas Gleixner: "Remove the call into the nohz idle code from the fake 'idle' thread in the powerclamp driver along with the export of those functions which was smuggeled in via the thermal tree. People have tried to hack around it in the nohz core code, but it just violates all rightful assumptions of that code about the only valid calling context (i.e. the proper idle task). The powerclamp trainwreck will still work, it just wont get the benefit of long idle sleeps" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tick/powerclamp: Remove tick_nohz_idle abuse
2014-12-19Merge branch 'irq-urgent-for-linus' of ↵Linus Torvalds5-2/+79
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq core fix from Thomas Gleixner: "A single fix plugging a long standing race between proc/stat and proc/interrupts access and freeing of interrupt descriptors" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Prevent proc race against freeing of irq descriptors
2014-12-19Merge branch 'x86-mpx-for-linus' of ↵Linus Torvalds3-9/+41
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 MPX fixes from Thomas Gleixner: "Three updates for the new MPX infrastructure: - Use the proper error check in the trap handler - Add a proper config option for it - Bring documentation up to date" * 'x86-mpx-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, mpx: Give MPX a real config option prompt x86, mpx: Update documentation x86_64/traps: Fix always true condition
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