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* Merge branch 'core-rcu-for-linus' of ↵Linus Torvalds2015-08-311-0/+19
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull RCU updates from Ingo Molnar: "The main RCU changes in this cycle are: - the combination of tree geometry-initialization simplifications and OS-jitter-reduction changes to expedited grace periods. These two are stacked due to the large number of conflicts that would otherwise result. - privatize smp_mb__after_unlock_lock(). This commit moves the definition of smp_mb__after_unlock_lock() to kernel/rcu/tree.h, in recognition of the fact that RCU is the only thing using this, that nothing else is likely to use it, and that it is likely to go away completely. - documentation updates. - torture-test updates. - misc fixes" * 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (60 commits) rcu,locking: Privatize smp_mb__after_unlock_lock() rcu: Silence lockdep false positive for expedited grace periods rcu: Don't disable CPU hotplug during OOM notifiers scripts: Make checkpatch.pl warn on expedited RCU grace periods rcu: Update MAINTAINERS entry rcu: Clarify CONFIG_RCU_EQS_DEBUG help text rcu: Fix backwards RCU_LOCKDEP_WARN() in synchronize_rcu_tasks() rcu: Rename rcu_lockdep_assert() to RCU_LOCKDEP_WARN() rcu: Make rcu_is_watching() really notrace cpu: Wait for RCU grace periods concurrently rcu: Create a synchronize_rcu_mult() rcu: Fix obsolete priority-boosting comment rcu: Use WRITE_ONCE in RCU_INIT_POINTER rcu: Hide RCU_NOCB_CPU behind RCU_EXPERT rcu: Add RCU-sched flavors of get-state and cond-sync rcu: Add fastpath bypassing funnel locking rcu: Rename RCU_GP_DONE_FQS to RCU_GP_DOING_FQS rcu: Pull out wait_event*() condition into helper function documentation: Describe new expedited stall warnings rcu: Add stall warnings to synchronize_sched_expedited() ...
| * Merge branch 'for-mingo' of ↵Ingo Molnar2015-08-121-0/+19
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu Pull RCU changes from Paul E. McKenney: - The combination of tree geometry-initialization simplifications and OS-jitter-reduction changes to expedited grace periods. These two are stacked due to the large number of conflicts that would otherwise result. [ With one addition, a temporary commit to silence a lockdep false positive. Additional changes to the expedited grace-period primitives (queued for 4.4) remove the cause of this false positive, and therefore include a revert of this temporary commit. ] - Documentation updates. - Torture-test updates. - Miscellaneous fixes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
| | * scripts: Make checkpatch.pl warn on expedited RCU grace periodsPaul E. McKenney2015-07-221-0/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The synchronize_rcu_expedited() and synchronize_sched_expedited() expedited-grace-period primitives induce OS jitter, which can degrade real-time response. This commit therefore adds a checkpatch.pl warning on any patch adding them. Note that this patch does not warn on synchronize_srcu_expedited() because it does not induce OS jitter, courtesy of its otherwise much-maligned read-side memory barriers. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: Joe Perches <joe@perches.com>
* | | Merge tag 'docs-for-linus' of git://git.lwn.net/linux-2.6Linus Torvalds2015-08-312-6/+288
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull documentation updates from Jonathan Corbet: "There's been a fair amount going on in the docs tree this time around, including: - Support for reproducible document builds, from Ben Hutchings and company. - The ability to automatically generate cross-reference links within a single DocBook book and embedded descriptions for large structures. From Danilo Cesar Lemes de Paula. - A new document on how to add a system call from David Drysdale. - Chameleon bus documentation from Johannes Thumshirn. ...plus the usual collection of improvements, typo fixes, and more" * tag 'docs-for-linus' of git://git.lwn.net/linux-2.6: (39 commits) Documentation, add kernel-parameters.txt entry for dis_ucode_ldr Documentation/x86: Rename IRQSTACKSIZE to IRQ_STACK_SIZE Documentation/Intel-IOMMU.txt: Modify definition of DRHD docs: update HOWTO for 3.x -> 4.x versioning kernel-doc: ignore unneeded attribute information scripts/kernel-doc: Adding cross-reference links to html documentation. DocBook: Fix non-determinstic installation of duplicate man pages Documentation: minor typo fix in mailbox.txt Documentation: describe how to add a system call doc: Add more workqueue functions to the documentation ARM: keystone: add documentation for SoCs and EVMs scripts/kernel-doc Allow struct arguments documentation in struct body SubmittingPatches: remove stray quote character Revert "DocBook: Avoid building man pages repeatedly and inconsistently" Documentation: Minor changes to men-chameleon-bus.txt Doc: fix trivial typo in SubmittingPatches MAINTAINERS: Direct Documentation/DocBook/media properly Documentation: installed man pages don't need to be executable fix Evolution submenu name in email-clients.txt Documentation: Add MCB documentation ...
| * | | kernel-doc: ignore unneeded attribute informationJonathan Corbet2015-08-231-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The kernel-doc script gets confused by __attribute__(()) strings in structures, so just clean the out. Also ignore the CRYPTO_MINALIGN_ATTR macro used in the crypto subsystem. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * | | scripts/kernel-doc: Adding cross-reference links to html documentation.Danilo Cesar Lemes de Paula2015-08-161-0/+198
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Functions, Structs and Parameters definitions on kernel documentation are pure cosmetic, it only highlights the element. To ease the navigation in the documentation we should use <links> inside those tags so readers can easily jump between methods directly. This was discussed in 2014[1] and is implemented by getting a list of <refentries> from the DocBook XML to generate a database. Then it looks for <function>,<structnames> and <paramdef> tags that matches the ones in the database. As it only links existent references, no broken links are added. [1] - lists.freedesktop.org/archives/dri-devel/2014-August/065404.html Signed-off-by: Danilo Cesar Lemes de Paula <danilo.cesar@collabora.co.uk> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Stephan Mueller <smueller@chronox.de> Cc: Michal Marek <mmarek@suse.cz> Cc: intel-gfx <intel-gfx@lists.freedesktop.org> Cc: dri-devel <dri-devel@lists.freedesktop.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * | | scripts/kernel-doc Allow struct arguments documentation in struct bodyDanilo Cesar Lemes de Paula2015-08-061-2/+75
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Describing arguments at top of a struct definition works fine for small/medium size structs, but it definitely doesn't work well for struct with a huge list of elements. Keeping the arguments list inside the struct body makes it easier to maintain the documentation. ie: /** * struct my_struct - short description * @a: first member * @b: second member * * Longer description */ struct my_struct { int a; int b; /** * @c: This is longer description of C * * You can use paragraphs to describe arguments * using this method. */ int c; }; This patch allows the use of this kind of syntax. Only one argument per comment and user can use how many paragraphs he needs. It should start with /**, which is already being used by kernel-doc. If those comment doesn't follow those rules, it will be ignored. Signed-off-by: Danilo Cesar Lemes de Paula <danilo.cesar@collabora.co.uk> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Stephan Mueller <smueller@chronox.de> Cc: Michal Marek <mmarek@suse.cz> Cc: linux-kernel@vger.kernel.org Cc: linux-doc@vger.kernel.org Cc: intel-gfx <intel-gfx@lists.freedesktop.org> Cc: dri-devel <dri-devel@lists.freedesktop.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * | | scripts/kernel-doc: Use $KBUILD_BUILD_TIMESTAMP as man page dateBen Hutchings2015-07-101-3/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Together with the preceding changes, this allows man pages to be built reproducibly. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * | | scripts/kernel-doc: parse kernel-doc deterministicallyJérémy Bobbio2015-07-101-1/+1
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Regular expressions for highlights in kernel-doc are stored in a Perl hash. These hashes are ordered differently for each Perl run. This will prevent kernel-doc to behave deterministically when parsing “@foo()” as in some runs it will be interpreted as a parameter and in the others it will be interpreted as a function. We now sort the %highlights hash to get the same behavior on every run. Signed-off-by: Jérémy Bobbio <lunar@debian.org> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* | | Merge tag 'char-misc-4.3-rc1' of ↵Linus Torvalds2015-08-311-6/+46
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver patches from Greg KH: "Here's the "big" char/misc driver update for 4.3-rc1. Not much really interesting here, just a number of little changes all over the place, and some nice consolidation of the nvmem drivers to a common framework. As usual, the mei drivers stand out as the largest "churn" to handle new devices and features in their hardware. All have been in linux-next for a while with no issues" * tag 'char-misc-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (136 commits) auxdisplay: ks0108: initialize local parport variable extcon: palmas: Fix build break due to devm_gpiod_get_optional API change extcon: palmas: Support GPIO based USB ID detection extcon: Fix signedness bugs about break error handling extcon: Drop owner assignment from i2c_driver extcon: arizona: Simplify pdata symantics for micd_dbtime extcon: arizona: Declare 3-pole jack if we detect open circuit on mic extcon: Add exception handling to prevent the NULL pointer access extcon: arizona: Ensure variables are set for headphone detection extcon: arizona: Use gpiod inteface to handle micd_pol_gpio gpio extcon: arizona: Add basic microphone detection DT/ACPI bindings extcon: arizona: Update to use the new device properties API extcon: palmas: Remove the mutually_exclusive array extcon: Remove optional print_state() function pointer of struct extcon_dev extcon: Remove duplicate header file in extcon.h extcon: max77843: Clear IRQ bits state before request IRQ toshiba laptop: replace ioremap_cache with ioremap misc: eeprom: max6875: clean up max6875_read() misc: eeprom: clean up eeprom_read() misc: eeprom: 93xx46: clean up eeprom_93xx46_bin_read/write ...
| * | scripts/checkkconfigsymbols.py: support default statementsValentin Rothberg2015-08-031-2/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | Until now, checkkonfigsymbols.py did not check default statements for references on missing Kconfig symbols (i.e., undefined Kconfig options). Hence, add support to parse and check the Kconfig default statement. Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | checkkconfigsymbols.py: colored outputValentin Rothberg2015-08-031-6/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Color output to make it more readable. Symbols will be printed yellow, relevant commits (see --find) red. Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com> Acked-by: Stefan Hengelein <stefan.hengelein@fau.de> Acked-by: Andreas Ruprecht <andreas.ruprecht@fau.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | checkkconfigsymbols.py: find relevant commitsValentin Rothberg2015-08-031-0/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add option -f/--find to find relevant commits when using the --diff option. --find is useful in case a user wants to check commits that potentially cause a Kconfig symbol to be missing. This is done via 'git log -G $SYMBOL' (i.e., to get a list of commits that change $SYMBOL). The relevant commits are printed below the "SYMBOL\tFILES" line, followed by an empty line to increase readability. Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com> Acked-by: Stefan Hengelein <stefan.hengelein@fau.de> Acked-by: Andreas Ruprecht <andreas.ruprecht@fau.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | | localmodconfig: Use Kbuild files tooRichard Weinberger2015-08-111-1/+1
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | In kbuild it is allowed to define objects in files named "Makefile" and "Kbuild". Currently localmodconfig reads objects only from "Makefile"s and misses modules like nouveau. Link: http://lkml.kernel.org/r/1437948415-16290-1-git-send-email-richard@nod.at Cc: stable@vger.kernel.org Reported-and-tested-by: Leonidas Spyropoulos <artafinde@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
* | checkpatch: fix long line messages about patch contextJoe Perches2015-07-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Changes in ("checkpatch: categorize some long line length checks") now erroneously reports long line defects in patch context. Fix it. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge tag 'pm+acpi-4.2-rc2' of ↵Linus Torvalds2015-07-082-2/+32
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management and ACPI updates from Rafael Wysocki: "These are fixes on top of the previous PM+ACPI pull requests (including one fix for a 4.1 regression) and two commits adding _CLS-based device enumeration support to the ACPI core and the ATA subsystem that waited for the latest ACPICA changes to be merged. Specifics: - Fix for an ACPI resources management regression introduced during the 4.1 cycle (that unfortunately went into -stable) effectively reverting the bad commit along with the recent fixups on top of it and using an alternative approach to address the underlying issue (Rafael J Wysocki). - Fix for a memory leak and an incorrect return value in an error code path in the ACPI LPSS (Low-Power Subsystem) driver (Rafael J Wysocki). - Fix for a leftover dangling pointer in an error code path in the new wakeup IRQ support code (Rafael J Wysocki). - Fix to prevent infinite loops (due to errors in other places) from happening in the core generic PM domains support code (Geert Uytterhoeven). - Hibernation documentation update/clarification (Uwe Geuder). - Support for _CLS-based device enumeration in the ACPI core and in the ATA subsystem (Suravee Suthikulpanit)" * tag 'pm+acpi-4.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PM / wakeirq: Avoid setting power.wakeirq too hastily ata: ahci_platform: Add ACPI _CLS matching ACPI / scan: Add support for ACPI _CLS device matching PM / hibernate: clarify resume documentation PM / Domains: Avoid infinite loops in attach/detach code ACPI / LPSS: Fix up acpi_lpss_create_device() ACPI / PNP: Reserve ACPI resources at the fs_initcall_sync stage
| * | ACPI / scan: Add support for ACPI _CLS device matchingSuthikulpanit, Suravee2015-07-072-2/+32
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Device drivers typically use ACPI _HIDs/_CIDs listed in struct device_driver acpi_match_table to match devices. However, for generic drivers, we do not want to list _HID for all supported devices. Also, certain classes of devices do not have _CID (e.g. SATA, USB). Instead, we can leverage ACPI _CLS, which specifies PCI-defined class code (i.e. base-class, subclass and programming interface). This patch adds support for matching ACPI devices using the _CLS method. To support loadable module, current design uses _HID or _CID to match device's modalias. With the new way of matching with _CLS this would requires modification to the current ACPI modalias key to include _CLS. This patch appends PCI-defined class-code to the existing ACPI modalias as following. acpi:<HID>:<CID1>:<CID2>:..:<CIDn>:<bbsspp>: E.g: # cat /sys/devices/platform/AMDI0600:00/modalias acpi:AMDI0600:010601: where bb is th base-class code, ss is te sub-class code, and pp is the programming interface code Since there would not be _HID/_CID in the ACPI matching table of the driver, this patch adds a field to acpi_device_id to specify the matching _CLS. static const struct acpi_device_id ahci_acpi_match[] = { { ACPI_DEVICE_CLASS(PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff) }, {}, }; In this case, the corresponded entry in modules.alias file would be: alias acpi*:010601:* ahci_platform Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org> Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* | modpost: work correctly with tile coldtext sectionsChris Metcalf2015-07-081-1/+2
|/ | | | | | | | | | | | | | | | | The tilegx and tilepro compilers use .coldtext for their unlikely executed text section name, so an __attribute__((cold)) function will (when compiled with higher optimization levels) land in the .coldtext section. Modify modpost to add .coldtext to the set of OTHER_TEXT_SECTIONS so we don't get warnings about referencing such a section in an __ex_table block, and then also modify arch/tile/lib/memcpy_user_64.c so that it uses plain ".coldtext" instead of ".coldtext.memcpy". The latter naming is a relic of an earlier use of -ffunction-sections, which we no longer use by default. Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au>
* Merge branch 'kbuild' of ↵Linus Torvalds2015-07-021-3/+15
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kbuild updates from Michal Marek: "Just a few kbuild core commits this time: - kallsyms fix for CONFIG_XIP_KERNEL - bashisms in scripts/link-vmlinux.sh fixed - workaround to make DEBUG_INFO_REDUCED more useful yet still space efficient - clang is not wrongly detected when cross-compiling" * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild: include core debug info when DEBUG_INFO_REDUCED scripts: link-vmlinux: Don't pass page offset to kallsyms if XIP Kernel scripts: fix link-vmlinux.sh bash-ism Makefile: Fix detection of clang when cross-compiling
| * scripts: link-vmlinux: Don't pass page offset to kallsyms if XIP KernelMaxime Coquelin2015-05-211-1/+1
| | | | | | | | | | | | | | | | | | | | When Kernel is executed in place from ROM, the symbol addresses can be lower than the page offset. Tested-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com> Tested-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * scripts: fix link-vmlinux.sh bash-ismSylvain BERTRAND2015-05-071-2/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While building linux with dash shell: LINK vmlinux trap: SIGHUP: bad trap /src/linux-4.0/Makefile:933: recipe for target 'vmlinux' failed make[1]: *** [vmlinux] Error 1 See the following document for behavior of posix shell trap instruction: http://pubs.opengroup.org/onlinepubs/000095399/utilities/trap.html Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Sylvain BERTRAND <sylvain.bertrand@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | Merge branch 'kconfig' of ↵Linus Torvalds2015-07-028-506/+666
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kconfig updates from Michal Marek: - kconfig conditions can use usual less/greater than comparisons - kconfig warns about stray characters in Kconfig files - bogus expression simplification removed - some minor fixes * 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kconfig: re-generate *.c_shipped files after previous change kconfig: allow use of relations other than (in)equality kconfig: don't silently ignore unhandled characters kconfig: Wrap long "make help" text lines scripts/kconfig/Makefile: Cosmetic fixes scripts/kconfig/Makefile: Fix spelling of Qt Kconfig: Remove bad inference rules expr_eliminate_dups2()
| * | kconfig: re-generate *.c_shipped files after previous changeJan Beulich2015-06-152-368/+447
| | | | | | | | | | | | | | | Signed-off-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kconfig: allow use of relations other than (in)equalityJan Beulich2015-06-155-11/+177
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Over the years I found it desirable to be able to use all sorts of relations, not just (in)equality. And apparently I'm not the only one, as there's at least one example in the tree where the programmer assumed this would work (see DEBUG_UART_8250_WORD in arch/arm/Kconfig.debug). Another possible use would e.g. be to fold the two SMP/NR_CPUS prompts into one: SMP could be promptless, simply depending on NR_CPUS > 1. A (desirable) side effect of this change - resulting from numeric values now necessarily being compared as numbers rather than as strings - is that comparing hex values now works as expected: Other than int ones (which aren't allowed to have leading zeroes), zeroes following the 0x prefix made them compare unequal even if their values were equal. Signed-off-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kconfig: don't silently ignore unhandled charactersJan Beulich2015-06-112-89/+113
| | | | | | | | | | | | | | | | | | | | | | | | | | | At the very least we should tell people that what they wrote is not what the utility understands. Signed-off-by: Jan Beulich <jbeulich@suse.com> Acked-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | kconfig: Wrap long "make help" text linesGeert Uytterhoeven2015-06-041-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | Some "make help" text lines extend beyond 80 characters. Wrap them at 79 characters. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | scripts/kconfig/Makefile: Cosmetic fixesDiego Viola2015-06-031-5/+5
| | | | | | | | | | | | | | | Signed-off-by: Diego Viola <diego.viola@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | scripts/kconfig/Makefile: Fix spelling of QtDiego Viola2015-05-281-6/+6
| | | | | | | | | | | | | | | Signed-off-by: Diego Viola <diego.viola@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
| * | Kconfig: Remove bad inference rules expr_eliminate_dups2()Martin Walch2015-05-251-111/+0
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | expr_eliminate_dups2() in scripts/kconfig/expr.c applies two invalid inference rules: (FOO || BAR) && (!FOO && !BAR) -> n (FOO && BAR) || (!FOO || !BAR) -> y They would be correct in propositional logic, but this is a three-valued logic, and here it is wrong in that it changes semantics. It becomes immediately visible when assigning the value 1 to both, FOO and BAR: (FOO || BAR) && (!FOO && !BAR) -> min(max(1, 1), min(2-1, 2-1)) = min(1, 1) = 1 while n evaluates to 0 and (FOO && BAR) || (!FOO || !BAR) -> max(min(1, 1), max(2-1, 2-1)) = max(1, 1) = 1 with y evaluating to 2. Fix it by removing expr_eliminate_dups2() and the functions that have no use anywhere else: expr_extract_eq_and(), expr_extract_eq_or(), and expr_extract_eq() from scripts/kconfig/expr.c Currently the bug is not triggered in mainline, so this patch does not modify the configuration space there. To observe the bug consider this example: config MODULES def_bool y option modules config FOO def_tristate m config BAR def_tristate m config TEST1 def_tristate y depends on (FOO || BAR) && (!FOO && !BAR) if TEST1 = n comment "TEST1 broken" endif config TEST2 def_tristate y depends on (FOO && BAR) || (!FOO || !BAR) if TEST2 = y comment "TEST2 broken" endif config TEST3 def_tristate y depends on m && !m if TEST3 = n comment "TEST3 broken" endif TEST1, TEST2 and TEST3 should all evaluate to m, but without the patch, none of them does. It is probably not obvious that TEST3 is the same bug, but it becomes clear when considering what happens internally to the expression m && !m": First it expands to (m && MODULES) && !(m && MODULES), then it is transformed into (m && MODULES) && (!m || !MODULES), and finally due to the bug it is replaced with n. As a side effect, this patch reduces code size in expr.c by roughly 10% and slightly improves startup time for all configuration frontends. Signed-off-by: Martin Walch <walch.martin@web.de> Signed-off-by: Michal Marek <mmarek@suse.cz>
* | Merge tag 'cpuinit-v4.1-rc8' of ↵Linus Torvalds2015-07-021-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux Pull __cpuinit removal from Paul Gortmaker: "Remove __cpuinit macros and users. We removed the __cpuinit stuff in 3.11-rc1 with commit 22f0a2736774 ("init.h: remove __cpuinit sections from the kernel") but we left some no-op stubs as a courtesy to unmerged code. Here we get rid of the stubs as well, since (as can be seen in these changes) they are enabling use cases to sneak back in, primarily from older BSP code that has been living out of tree for some time prior to getting mainlined. So we get rid of these "new" users 1st and then get rid of the stubs. Obviously, getting rid of the stubs can't happen until all the users are gone, so I had to keep this together as a series, even though some of these commits since got picked up into maintainers trees as well. The nature of this change is such that it should have zero impact on the generated runtime. This is one of several independent cleanup branches aimed at enabling better organization in the init.h and module.h code. They have been getting coverage in the linux-next tree for the last month, in addition to my local testing, which also covers approximately a half dozen or more architectures" * tag 'cpuinit-v4.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: init: delete the __cpuinit related stubs kernel/cpu.c: remove new instance of __cpuinit that crept back in sched/core: remove __cpuinit section tag that crept back in. mips/mm/tlbex: remove new instance of __cpuinit that crept back in mips/c-r4k: remove legacy __cpuinit section that crept in mips/bcm77xx: remove legacy __cpuinit sections that crept in mips/ath25: remove legacy __cpuinit section that crept in arm/mach-hisi: remove legacy __CPUINIT section that crept in arm/mach-rockchip: remove legacy __cpuinit section that crept in arm/mach-mvebu: remove legacy __cpuinit sections that crept in arm/mach-keystone: remove legacy __cpuinit sections that crept in
| * | init: delete the __cpuinit related stubsPaul Gortmaker2015-06-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The __cpuinit support was removed several releases ago in 3.11-rc1 with commit 22f0a27367742f65130c0fb25ef00f7297e032c1 ("init.h: remove __cpuinit sections from the kernel") People have had a chance to update their out of tree code, so now we remove the no-op stubs to ensure no more new use cases can creep back in. Also delete the mention of __cpuinitdata from the tag script. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* | | Merge tag 'devicetree-for-linus' of ↵Linus Torvalds2015-07-0130-1535/+1754
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux Pull devicetree updates from Grant Likely: "A whole lot of bug fixes. Nothing stands out here except the ability to enable CONFIG_OF on every architecture, and an import of a newer version of dtc" * tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux: (22 commits) of/irq: Rename "intc_desc" to "of_intc_desc" to fix OF on sh of/irq: Fix pSeries boot failure Documentation: DT: Fix a typo in the filename "lantiq,<chip>-pinumx.txt" of: define of_find_node_by_phandle for !CONFIG_OF of/address: use atomic allocation in pci_register_io_range() of: Add vendor prefix for Zodiac Inflight Innovations dt/fdt: add empty versions of early_init_dt_*_memory_arch of: clean-up unnecessary libfdt include paths of: make unittest select OF_EARLY_FLATTREE instead of depend on it of: make CONFIG_OF user selectable MIPS: prepare for user enabling of CONFIG_OF of/fdt: fix argument name and add comments of unflatten_dt_node() of: return NUMA_NO_NODE from fallback of_node_to_nid() tps6507x.txt: Remove executable permission of/overlay: Grammar s/an negative/a negative/ of/fdt: Make fdt blob input parameters of unflatten functions const of: add helper function to retrive match data of: Grammar s/property exist/property exists/ of: Move OF flags to be visible even when !CONFIG_OF scripts/dtc: Update to upstream version 9d3649bd3be245c9 ...
| * | | scripts/dtc: Update to upstream version 9d3649bd3be245c9Rob Herring2015-04-2929-1535/+1745
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sync dtc with upstream as of commit 9d3649bd3be2 (Add testcases for fdt_path_offset_namelen()). Signed-off-by: Rob Herring <robh@kernel.org> Cc: Grant Likely <grant.likely@linaro.org> Cc: devicetree@vger.kernel.org
| * | | scripts/dtc: add missing libfdt and fixups to import scriptGaurav Minocha2015-04-291-0/+9
| | |/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The following script is used to import dtc upstream into kernel. It was missing import of dtc/libfdt, with this commit it will include the same. Also, currently in arch and driver code that needs early access to the flattened device tree it is necessary to add specific CFLAGS so that when scripts/dtc/libfdt/libfdt.h is included the C preprocessor is able to locate the libfdt versions of libfdt_env.h and fdt.h without generating an error. So, this script replaces angular brackets with quotation used to include header files fdt.h and libfdt_env.h Signed-off-by: Gaurav Minocha <gaurav.minocha.os@gmail.com> [robh: reword commit headline and add 'git add'] Signed-off-by: Rob Herring <robh@kernel.org>
* | | Merge branch 'akpm' (patches from Andrew)Linus Torvalds2015-07-016-10/+117
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Merge third patchbomb from Andrew Morton: - the rest of MM - scripts/gdb updates - ipc/ updates - lib/ updates - MAINTAINERS updates - various other misc things * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (67 commits) genalloc: rename of_get_named_gen_pool() to of_gen_pool_get() genalloc: rename dev_get_gen_pool() to gen_pool_get() x86: opt into HAVE_COPY_THREAD_TLS, for both 32-bit and 64-bit MAINTAINERS: add zpool MAINTAINERS: BCACHE: Kent Overstreet has changed email address MAINTAINERS: move Jens Osterkamp to CREDITS MAINTAINERS: remove unused nbd.h pattern MAINTAINERS: update brcm gpio filename pattern MAINTAINERS: update brcm dts pattern MAINTAINERS: update sound soc intel patterns MAINTAINERS: remove website for paride MAINTAINERS: update Emulex ocrdma email addresses bcache: use kvfree() in various places libcxgbi: use kvfree() in cxgbi_free_big_mem() target: use kvfree() in session alloc and free IB/ehca: use kvfree() in ipz_queue_{cd}tor() drm/nouveau/gem: use kvfree() in u_free() drm: use kvfree() in drm_free_large() cxgb4: use kvfree() in t4_free_mem() cxgb3: use kvfree() in cxgb_free_mem() ...
| * | | scripts/gdb: remove useless global instructionThiébaud Weksteen2015-06-301-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Thiébaud Weksteen <thiebaud@weksteen.fr> 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>
| * | | scripts/gdb: add ps commandThiébaud Weksteen2015-06-301-0/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Thiébaud Weksteen <thiebaud@weksteen.fr> 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>
| * | | scripts/gdb: fix PEP8 complianceThiébaud Weksteen2015-06-304-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Thiébaud Weksteen <thiebaud@weksteen.fr> 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>
| * | | scripts/gdb: fix typo in exception nameThiébaud Weksteen2015-06-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Thiébaud Weksteen <thiebaud@weksteen.fr> 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>
| * | | scripts/gdb: enable completion for lx-list-check parameterJan Kiszka2015-06-301-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Cc: Thiébaud Weksteen <thiebaud@weksteen.fr> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | scripts/gdb: also allow list_head pointer as lx-list-check paramterJan Kiszka2015-06-301-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This makes the usage more flexible. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Cc: Thiébaud Weksteen <thiebaud@weksteen.fr> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | scripts/gdb: add command to check list consistencyThiébaud Weksteen2015-06-302-0/+90
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a gdb script to verify the consistency of lists. Signed-off-by: Thiébaud Weksteen <thiebaud@weksteen.fr> 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 tag 'for-linus-4.2-rc0-tag' of ↵Linus Torvalds2015-07-011-1/+6
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen updates from David Vrabel: "Xen features and cleanups for 4.2-rc0: - add "make xenconfig" to assist in generating configs for Xen guests - preparatory cleanups necessary for supporting 64 KiB pages in ARM guests - automatically use hvc0 as the default console in ARM guests" * tag 'for-linus-4.2-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: block/xen-blkback: s/nr_pages/nr_segs/ block/xen-blkfront: Remove invalid comment block/xen-blkfront: Remove unused macro MAXIMUM_OUTSTANDING_BLOCK_REQS arm/xen: Drop duplicate define mfn_to_virt xen/grant-table: Remove unused macro SPP xen/xenbus: client: Fix call of virt_to_mfn in xenbus_grant_ring xen: Include xen/page.h rather than asm/xen/page.h kconfig: add xenconfig defconfig helper kconfig: clarify kvmconfig is for kvm xen/pcifront: Remove usage of struct timeval xen/tmem: use BUILD_BUG_ON() in favor of BUG_ON() hvc_xen: avoid uninitialized variable warning xenbus: avoid uninitialized variable warning xen/arm: allow console=hvc0 to be omitted for guests arm,arm64/xen: move Xen initialization earlier arm/xen: Correctly check if the event channel interrupt is present
| * | | | kconfig: add xenconfig defconfig helperLuis R. Rodriguez2015-06-161-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This lets you build a kernel which can support xen dom0 or xen guests on i386, x86-64 and arm64 by just using: make xenconfig You can start from an allnoconfig and then switch to xenconfig. This also splits out the options which are available currently to be built with x86 and 'make ARCH=arm64' under a shared config. Technically xen supports a dom0 kernel and also a guest kernel configuration but upon review with the xen team since we don't have many dom0 options its best to just combine these two into one. A few generic notes: we enable both of these: CONFIG_INET=y CONFIG_BINFMT_ELF=y although technically not required given you likely will end up with a pretty useless system otherwise. A few architectural differences worth noting: $ make allnoconfig; make xenconfig > /dev/null ; \ grep XEN .config > 64-bit-config $ make ARCH=i386 allnoconfig; make ARCH=i386 xenconfig > /dev/null; \ grep XEN .config > 32-bit-config $ make ARCH=arm64 allnoconfig; make ARCH=arm64 xenconfig > /dev/null; \ grep XEN .config > arm64-config Since the options are already split up with a generic config and architecture specific configs you anything on the x86 configs are known to only work right now on x86. For instance arm64 doesn't support MEMORY_HOTPLUG yet as such although we try to enabe it generically arm64 doesn't have it yet, so we leave the xen specific kconfig option XEN_BALLOON_MEMORY_HOTPLUG on x86's config file to set expecations correctly. Then on x86 we have differences between i386 and x86-64. The difference between 64-bit-config and 32-bit-config is you don't get XEN_MCE_LOG as this is only supported on 64-bit. You also do not get on i386 XEN_BALLOON_MEMORY_HOTPLUG, there does not seem to be any technical reasons to not allow this but I gave up after a few attempts. Cc: Josh Triplett <josh@joshtriplett.org> Cc: Borislav Petkov <bp@suse.de> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Michal Marek <mmarek@suse.cz> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: penberg@kernel.org Cc: levinsasha928@gmail.com Cc: mtosatti@redhat.com Cc: fengguang.wu@intel.com Cc: David Vrabel <david.vrabel@citrix.com> Cc: Ian Campbell <Ian.Campbell@citrix.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: xen-devel@lists.xenproject.org Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Acked-by: Julien Grall <julien.grall@linaro.org> Acked-by: Michal Marek <mmarek@suse.cz> Acked-by: David Rientjes <rientjes@google.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
| * | | | kconfig: clarify kvmconfig is for kvmLuis R. Rodriguez2015-06-161-1/+1
| | |/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We'll be adding options for xen as well. Cc: Josh Triplett <josh@joshtriplett.org> Cc: Borislav Petkov <bp@suse.de> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Michal Marek <mmarek@suse.cz> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: penberg@kernel.org Cc: levinsasha928@gmail.com Cc: mtosatti@redhat.com Cc: fengguang.wu@intel.com Cc: David Vrabel <david.vrabel@citrix.com> Cc: Ian Campbell <Ian.Campbell@citrix.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: xen-devel@lists.xenproject.org Reviewed-by: Josh Triplett <josh@joshtriplett.org> Acked-by: David Rientjes <rientjes@google.com> Acked-by: Borislav Petkov <bp@suse.de> Acked-by: Michal Marek <mmarek@suse.cz> Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
* | | | Merge tag 'arc-4.2-rc1' of ↵Linus Torvalds2015-07-011-0/+5
|\ \ \ \ | |_|/ / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc Pull ARC architecture updates from Vineet Gupta: - support for HS38 cores based on ARCv2 ISA ARCv2 is the next generation ISA from Synopsys and basis for the HS3{4,6,8} families of processors which retain the traditional ARC mantra of low power and configurability and are now more performant and feature rich. HS38x is a 10 stage pipeline core which supports MMU (with huge pages) and SMP (upto 4 cores) among other features. + www.synopsys.com/dw/ipdir.php?ds=arc-hs38-processor + http://news.synopsys.com/2014-10-14-New-DesignWare-ARC-HS38-Processor-Doubles-Performance-for-Embedded-Linux-Applications + http://www.embedded.com/electronics-news/4435975/Synopsys-ARC-HS38-core-gives-2X-boost-to-Linux-based-apps - support for ARC SDP (Software Development platform): Main Board + CPU Cards = AXS101: CPU Card with ARC700 in silicon @ 700 MHz = AXS103: CPU Card with HS38x in FPGA - refactoring of ARCompact port to accomodate new ARCv2 ISA - misc updates/cleanups * tag 'arc-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: (72 commits) ARC: Fix build failures for ARCompact in linux-next after ARCv2 support ARCv2: Allow older gcc to cope with new regime of ARCv2/ARCompact support ARCv2: [vdk] dts files and defconfig for HS38 VDK ARCv2: [axs103] Support ARC SDP FPGA platform for HS38x cores ARC: [axs101] Prepare for AXS103 ARCv2: [nsim*hs*] Support simulation platforms for HS38x cores ARCv2: All bits in place, allow ARCv2 builds ARCv2: SLC: Handle explcit flush for DMA ops (w/o IO-coherency) ARCv2: STAR 9000837815 workaround hardware exclusive transactions livelock ARC: Reduce bitops lines of code using macros ARCv2: barriers arch: conditionally define smp_{mb,rmb,wmb} ARC: add smp barriers around atomics per Documentation/atomic_ops.txt ARC: add compiler barrier to LLSC based cmpxchg ARCv2: SMP: intc: IDU 2nd level intc for dynamic IRQ distribution ARCv2: SMP: clocksource: Enable Global Real Time counter ARCv2: SMP: ARConnect debug/robustness ARCv2: SMP: Support ARConnect (MCIP) for Inter-Core-Interrupts et al ARC: make plat_smp_ops weak to allow over-rides ARCv2: clocksource: Introduce 64bit local RTC counter ...
| * | | ARCv2: extable: Enable sorting at build timeVineet Gupta2015-06-221-0/+5
| |/ / | | | | | | | | | Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
* | | Merge tag 'usb-4.2-rc1' of ↵Linus Torvalds2015-06-262-0/+17
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB updates from Greg KH: "Here's the big USB patchset for 4.2-rc1. As is normal these days, the majority of changes are in the gadget drivers, with a bunch of other small driver changes. All of these have been in linux-next with no reported issues" * tag 'usb-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (175 commits) usb: dwc3: Use ASCII space in Kconfig usb: chipidea: add work-around for Marvell HSIC PHY startup usb: chipidea: allow multiple instances to use default ci_default_pdata dt-bindings: Consolidate ChipIdea USB ci13xxx bindings phy: add Marvell HSIC 28nm PHY phy: Add Marvell USB 2.0 OTG 28nm PHY dt-bindings: Add Marvell PXA1928 USB and HSIC PHY bindings USB: ssb: use devm_kzalloc USB: ssb: fix error handling in ssb_hcd_create_pdev() usb: isp1760: check for null return from kzalloc cdc-acm: Add support of ATOL FPrint fiscal printers usb: chipidea: usbmisc_imx: Remove unneeded semicolon USB: usbtmc: add device quirk for Rigol DS6104 USB: serial: mos7840: Use setup_timer phy: twl4030-usb: add ABI documentation phy: twl4030-usb: remove incorrect pm_runtime_get_sync() in probe function. phy: twl4030-usb: remove pointless 'suspended' test in 'suspend' callback. phy: twl4030-usb: make runtime pm more reliable. drivers:usb:fsl: Fix compilation error for fsl ehci drv usb: renesas_usbhs: Don't disable the pipe if Control write status stage ...
| * \ \ Merge 4.1-rc7 into usb-nextGreg Kroah-Hartman2015-06-081-8/+1
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This resolves a merge issue in musb_core.c and we want the fixes that were in Linus's tree in this branch as well for testing. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | | | usb: add bus type for USB ULPIHeikki Krogerus2015-05-132-0/+17
| | |/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | UTMI+ Low Pin Interface (ULPI) is a commonly used PHY interface for USB 2.0. The ULPI specification describes a standard set of registers which the vendors can extend for their specific needs. ULPI PHYs provide often functions such as charger detection and ADP sensing and probing. There are two major issues that the bus type is meant to tackle: Firstly, ULPI registers are accessed from the controller. The bus provides convenient method for the controller drivers to share that access with the actual PHY drivers. Secondly, there are already platforms that assume ULPI PHYs are runtime detected, such as many Intel Baytrail based platforms. They do not provide any kind of hardware description for the ULPI PHYs like separate ACPI device object that could be used to enumerate a device from. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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