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2015-06-26Merge tag 'usb-4.2-rc1' of ↵Linus Torvalds
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 ...
2015-06-26Merge tag 'char-misc-4.2-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver updates from Greg KH: "Here's the big char/misc driver pull request for 4.2-rc1. Lots of mei, extcon, coresight, uio, mic, and other driver updates in here. Full details in the shortlog. All of these have been in linux-next for some time with no reported problems" * tag 'char-misc-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (176 commits) mei: me: wait for power gating exit confirmation mei: reset flow control on the last client disconnection MAINTAINERS: mei: add mei_cl_bus.h to maintained file list misc: sram: sort and clean up included headers misc: sram: move reserved block logic out of probe function misc: sram: add private struct device and virt_base members misc: sram: report correct SRAM pool size misc: sram: bump error message level on unclean driver unbinding misc: sram: fix device node reference leak on error misc: sram: fix enabled clock leak on error path misc: mic: Fix reported static checker warning misc: mic: Fix randconfig build error by including errno.h uio: pruss: Drop depends on ARCH_DAVINCI_DA850 from config uio: pruss: Add CONFIG_HAS_IOMEM dependence uio: pruss: Include <linux/sizes.h> extcon: Redefine the unique id of supported external connectors without 'enum extcon' type char:xilinx_hwicap:buffer_icap - change 1/0 to true/false for bool type variable in function buffer_icap_set_configuration(). Drivers: hv: vmbus: Allocate ring buffer memory in NUMA aware fashion parport: check exclusive access before register w1: use correct lock on error in w1_seq_show() ...
2015-06-26Merge branch 'akpm' (patches from Andrew)Linus Torvalds
Merge second patchbomb from Andrew Morton: - most of the rest of MM - lots of misc things - procfs updates - printk feature work - updates to get_maintainer, MAINTAINERS, checkpatch - lib/ updates * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (96 commits) exit,stats: /* obey this comment */ coredump: add __printf attribute to cn_*printf functions coredump: use from_kuid/kgid when formatting corename fs/reiserfs: remove unneeded cast NILFS2: support NFSv2 export fs/befs/btree.c: remove unneeded initializations fs/minix: remove unneeded cast init/do_mounts.c: add create_dev() failure log kasan: remove duplicate definition of the macro KASAN_FREE_PAGE fs/efs: femove unneeded cast checkpatch: emit "NOTE: <types>" message only once after multiple files checkpatch: emit an error when there's a diff in a changelog checkpatch: validate MODULE_LICENSE content checkpatch: add multi-line handling for PREFER_ETHER_ADDR_COPY checkpatch: suggest using eth_zero_addr() and eth_broadcast_addr() checkpatch: fix processing of MEMSET issues checkpatch: suggest using ether_addr_equal*() checkpatch: avoid NOT_UNIFIED_DIFF errors on cover-letter.patch files checkpatch: remove local from codespell path checkpatch: add --showfile to allow input via pipe to show filenames ...
2015-06-25checkpatch: emit "NOTE: <types>" message only once after multiple filesJoe Perches
Make this message similar to the "false positives" message and emit it only once when scanning multiple files instead of after each file scanned. 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>
2015-06-25checkpatch: emit an error when there's a diff in a changelogJoe Perches
People often put diff snippets in changelogs. This causes problems when one tries to apply a file containing both the changelog and the diff because patch(1) tries to apply the diff which it found in the changelog. Warn once when what seems to be a diff snippet in the changelog exists. Signed-off-by: Joe Perches <joe@perches.com> Suggested-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-25checkpatch: validate MODULE_LICENSE contentBjorn Andersson
There is a well defined list of expected values for MODULE_LICENSE so warn the user upon usage of unknown values. Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.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>
2015-06-25checkpatch: add multi-line handling for PREFER_ETHER_ADDR_COPYMateusz Kulikowski
Handle multi-line memcpy() properly. Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com> Acked-by: Joe Perches <joe@perches.com> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-25checkpatch: suggest using eth_zero_addr() and eth_broadcast_addr()Mateusz Kulikowski
Suggest using eth_zero_addr() or eth_broadcast_addr() instead of memset(). Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com> Acked-by: Joe Perches <joe@perches.com> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-25checkpatch: fix processing of MEMSET issuesMateusz Kulikowski
Remove 's' modifier to avoid reporting the same warning several times. Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com> Acked-by: Joe Perches <joe@perches.com> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-25checkpatch: suggest using ether_addr_equal*()Mateusz Kulikowski
Check if memcmp() is used to compare ethernet addresses and suggest using ether_addr_equal() or ether_addr_equal_unaligned() Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com> Acked-by: Joe Perches <joe@perches.com> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-25checkpatch: avoid NOT_UNIFIED_DIFF errors on cover-letter.patch filesJoe Perches
Make an exception for the "Does not appear to be a unified-diff" error when scanning what appears to be git generated cover letters. Signed-off-by: Joe Perches <joe@perches.com> Suggested-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-25checkpatch: remove local from codespell pathMaxim Uvarov
local is typically used for manually installed apps. For apps installed from distro the right path is /usr/share. Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org> 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>
2015-06-25checkpatch: add --showfile to allow input via pipe to show filenamesJoe Perches
Using "git diff | ./scripts/checkpatch -" does not have an easy mechanism to see the files and lines actually modified. Add --showfile to see the file and line specified in the diff. When --showfile is used without --terse, the second line of each message output is redundant, so it is removed. Signed-off-by: Joe Perches <joe@perches.com> Cc: Petr Mladek <pmladek@suse.cz> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-25checkpatch: colorize output to terminalJoe Perches
Add optional colors to make seeing message types a bit easier. Add --color command line switch, default:on Error is RED, warning is YELLOW, check is GREEN. The message type, if shown, is BLUE. Signed-off-by: Joe Perches <joe@perches.com> Tested-by: Petr Mladek <pmladek@suse.cz> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-25checkpatch: improve output with multiple command-line filesJoe Perches
If there are multiple patches/files on the command line, use a prefix before the patch/file message output like: -------------- patch/filename -------------- to make the identifying which messages go with which file/patch a bit easier to parse. Move the perl version and false positive messages after all the files have been scanned so that they are emitted only once. Standardize the NOTE: <...> form to always emit a blank line before the NOTE and always use print << "EOM" style. Signed-off-by: Joe Perches <joe@perches.com> Suggested-by: Petr Mladek <pmladek@suse.cz> Tested-by: Petr Mladek <pmladek@suse.cz> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-25checkpatch: categorize some long line length checksJoe Perches
Many lines of code extend beyond the maximum line length. Some of these are possibly justified by use type. For instance: structure definitions where comments are added per member like: struct foo { type member; /* some long description */ And lines that don't fit the typical logging message style where a string constant is used like: SOME_MACRO(args, "Some long string"); Categorize these long line types so that checkpatch can use a command-line --ignore=<type> option to avoid emitting some long line warnings. One of the existing checkpatch exclusions allowed kernel-doc argument documentation to exceed 80 columns because old versions of kernel-doc required single line documentation. The requirement was removed in 2009 so remove that exclusion. Add documentation to make the test a bit clearer. Signed-off-by: Joe Perches <joe@perches.com> Cc: Julia Lawall <julia.lawall@lip6.fr> Cc: Michael Shuey <shuey@purdue.edu> Cc: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-25checkpatch: use $String consistentlyJoe Perches
String detection where a source line with a string constant is converted can either have an X or a space. Some of the string detection regexes do not allow the space character, but there is a handy $String variable that does. Convert the remaining uses of string detection regexes to use the $String variable to reduce possible false negatives. 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>
2015-06-25checkpatch: make types found in a source file/patch localAlex Dowad
checkpatch uses various cues in its input patches and files to discover the names of user-defined types and modifiers. It then uses that information when processing expressions to discover potential style issues. Unfortunately, in rare cases, this means that checkpatch may give different results if you run it on several input files in one execution, or one by one! The reason is that it may identify a type (or something that looks like a type) in one file, and then carry this information over when processing a different file. For example, drivers/staging/media/bcm2048/radio-bcm2048.c contains this line (in a macro): size value; and drivers/staging/media/davinci_vpfe/vpfe_video.c has this line: while (size * *nbuffers > vpfe_dev->video_limit) If checkpatch processes these 2 files in a single command like: ./scripts/checkpatch.pl -f $file1 $file2 the (spurious) "size" type detected in the first file will cause it to flag the second file for improper use of the pointer dereference operator. To fix this, store types and modifiers found in a file in separate arrays from built-in ones, and reset the arrays of types and modifiers found in files at the beginning of each new source file. Signed-off-by: Alex Dowad <alexinbeijing@gmail.com> Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-25checkpatch: add --strict warning for c99 fixed size typedefs : int<size>_tJoe Perches
Using declarations like u_int16_t in kernel code is not preferred. Suggest the kernel sized types instead of the c99 types when not in the uapi directory. Add a $typeC99Typedefs variable for the types to check and neaten the other typedef variables. 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>
2015-06-25checkpatch: check for uncommented waitqueue_active()Joe Perches
Linus sayeth: : Pretty much every single time people use this "if : (waitqueue_active())" model, it tends to be a bug, because it means : that there is zero serialization with people who are just about to go : to sleep. It's fundamentally racy against all the "wait_event()" loops : that carefully do memory barriers between testing conditions and going : to sleep, because the memory barriers now don't exist on the waking : side. : : So I'm making a new rule: if you use waitqueue_active(), I want an : explanation for why it's not racy with the waiter. A big comment about : the memory ordering, or about higher-level locks that are held by the : caller, or something. Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-25get_maintainer: fix perl 5.22/5.24 deprecated/incompatible "\C" useJoe Perches
Perl 5.22 emits a deprecated message when "\C" is used in a regex. Perl 5.24 will disallow it altogether. Fix it by using [A-Z] instead of \C. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu> Tested-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-25get_maintainer: emit longer section headersJoe Perches
Section headers can be quite long and some are very long and duplicated for many initial characters. The current maximum length emitted for a section header is 20 bytes (or 17 bytes then ... when the section header length is > 20). Change that length to 50 so more of the section is shown. Example new output: $ ./scripts/get_maintainer.pl -f drivers/net/ethernet/broadcom/bnx2x/ Ariel Elior <ariel.elior@qlogic.com> (supporter:BROADCOM BNX2X 10 GIGABIT ETHERNET DRIVER) netdev@vger.kernel.org (open list:BROADCOM BNX2X 10 GIGABIT ETHERNET DRIVER) linux-kernel@vger.kernel.org (open list) Old: $ ./scripts/get_maintainer.pl -f drivers/net/ethernet/broadcom/bnx2x/ Ariel Elior <ariel.elior@qlogic.com> (supporter:BROADCOM BNX2X 10...) netdev@vger.kernel.org (open list:BROADCOM BNX2X 10...) linux-kernel@vger.kernel.org (open list) 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>
2015-06-25get_maintainer.pl: add .get_maintainer.ignore file capabilityJoe Perches
Some people prefer not to be cc'd on patches. Add an ability to have a file (.get_maintainer.ignore) with names and email addresses that are excluded from being listed except when specifically listed as a maintainer in a section. 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>
2015-06-25Merge tag 'for-4.2' of git://git.sourceforge.jp/gitroot/uclinux-h8/linuxLinus Torvalds
Pull Renesas H8/300 architecture re-introduction from Yoshinori Sato. We dropped arch/h8300 two years ago as stale and old, this is a new and more modern rewritten arch support for the same architecture. * tag 'for-4.2' of git://git.sourceforge.jp/gitroot/uclinux-h8/linux: (27 commits) h8300: fix typo. h8300: Always build dtb h8300: Remove ARCH_WANT_IPC_PARSE_VERSION sh-sci: Get register size from platform device clk: h8300: fix error handling in h8s2678_pll_clk_setup() h8300: Symbol name fix h8300: devicetree source h8300: configs h8300: IRQ chip driver h8300: clocksource h8300: clock driver h8300: Build scripts h8300: library functions h8300: Memory management h8300: miscellaneous functions h8300: process helpers h8300: compressed image support h8300: Low level entry h8300: kernel startup h8300: Interrupt and exceptions ...
2015-06-23mksysmap: Add h8300 local symbol patternYoshinori Sato
h8300's nm output have a lot of local symbols. ex) 00000000 N .Lframe0 00000013 N .LLST1 00000026 N .LLST2 00000039 N .LLST3 0000004c N .LLST4 Added new pattern " .L" to filter rule. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
2015-06-22Merge branch 'x86-core-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 core updates from Ingo Molnar: "There were so many changes in the x86/asm, x86/apic and x86/mm topics in this cycle that the topical separation of -tip broke down somewhat - so the result is a more traditional architecture pull request, collected into the 'x86/core' topic. The topics were still maintained separately as far as possible, so bisectability and conceptual separation should still be pretty good - but there were a handful of merge points to avoid excessive dependencies (and conflicts) that would have been poorly tested in the end. The next cycle will hopefully be much more quiet (or at least will have fewer dependencies). The main changes in this cycle were: * x86/apic changes, with related IRQ core changes: (Jiang Liu, Thomas Gleixner) - This is the second and most intrusive part of changes to the x86 interrupt handling - full conversion to hierarchical interrupt domains: [IOAPIC domain] ----- | [MSI domain] --------[Remapping domain] ----- [ Vector domain ] | (optional) | [HPET MSI domain] ----- | | [DMAR domain] ----------------------------- | [Legacy domain] ----------------------------- This now reflects the actual hardware and allowed us to distangle the domain specific code from the underlying parent domain, which can be optional in the case of interrupt remapping. It's a clear separation of functionality and removes quite some duct tape constructs which plugged the remap code between ioapic/msi/hpet and the vector management. - Intel IOMMU IRQ remapping enhancements, to allow direct interrupt injection into guests (Feng Wu) * x86/asm changes: - Tons of cleanups and small speedups, micro-optimizations. This is in preparation to move a good chunk of the low level entry code from assembly to C code (Denys Vlasenko, Andy Lutomirski, Brian Gerst) - Moved all system entry related code to a new home under arch/x86/entry/ (Ingo Molnar) - Removal of the fragile and ugly CFI dwarf debuginfo annotations. Conversion to C will reintroduce many of them - but meanwhile they are only getting in the way, and the upstream kernel does not rely on them (Ingo Molnar) - NOP handling refinements. (Borislav Petkov) * x86/mm changes: - Big PAT and MTRR rework: making the code more robust and preparing to phase out exposing direct MTRR interfaces to drivers - in favor of using PAT driven interfaces (Toshi Kani, Luis R Rodriguez, Borislav Petkov) - New ioremap_wt()/set_memory_wt() interfaces to support Write-Through cached memory mappings. This is especially important for good performance on NVDIMM hardware (Toshi Kani) * x86/ras changes: - Add support for deferred errors on AMD (Aravind Gopalakrishnan) This is an important RAS feature which adds hardware support for poisoned data. That means roughly that the hardware marks data which it has detected as corrupted but wasn't able to correct, as poisoned data and raises an APIC interrupt to signal that in the form of a deferred error. It is the OS's responsibility then to take proper recovery action and thus prolonge system lifetime as far as possible. - Add support for Intel "Local MCE"s: upcoming CPUs will support CPU-local MCE interrupts, as opposed to the traditional system- wide broadcasted MCE interrupts (Ashok Raj) - Misc cleanups (Borislav Petkov) * x86/platform changes: - Intel Atom SoC updates ... and lots of other cleanups, fixlets and other changes - see the shortlog and the Git log for details" * 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (222 commits) x86/hpet: Use proper hpet device number for MSI allocation x86/hpet: Check for irq==0 when allocating hpet MSI interrupts x86/mm/pat, drivers/infiniband/ipath: Use arch_phys_wc_add() and require PAT disabled x86/mm/pat, drivers/media/ivtv: Use arch_phys_wc_add() and require PAT disabled x86/platform/intel/baytrail: Add comments about why we disabled HPET on Baytrail genirq: Prevent crash in irq_move_irq() genirq: Enhance irq_data_to_desc() to support hierarchy irqdomain iommu, x86: Properly handle posted interrupts for IOMMU hotplug iommu, x86: Provide irq_remapping_cap() interface iommu, x86: Setup Posted-Interrupts capability for Intel iommu iommu, x86: Add cap_pi_support() to detect VT-d PI capability iommu, x86: Avoid migrating VT-d posted interrupts iommu, x86: Save the mode (posted or remapped) of an IRTE iommu, x86: Implement irq_set_vcpu_affinity for intel_ir_chip iommu: dmar: Provide helper to copy shared irte fields iommu: dmar: Extend struct irte for VT-d Posted-Interrupts iommu: Add new member capability to struct irq_remap_ops x86/asm/entry/64: Disentangle error_entry/exit gsbase/ebx/usermode code x86/asm/entry/32: Shorten __audit_syscall_entry() args preparation x86/asm/entry/32: Explain reloading of registers after __audit_syscall_entry() ...
2015-06-10checkpatch: fix "GLOBAL_INITIALISERS" testJoe Perches
Commit d5e616fc1c1d ("checkpatch: add a few more --fix corrections") broke the GLOBAL_INITIALISERS test with bad parentheses and optional leading spaces. Fix it. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Bandan Das <bsd@makefile.in> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-06-08Merge branch 'x86/asm' into x86/core, to prepare for new patchIngo Molnar
Collect all changes to arch/x86/entry/entry_64.S, before applying patch that changes most of the file. Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-06-08Merge 4.1-rc7 into usb-nextGreg Kroah-Hartman
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>
2015-06-04x86/asm/entry: Move the arch/x86/syscalls/ definitions to ↵Ingo Molnar
arch/x86/entry/syscalls/ The build time generated syscall definitions are entry code related, move them into the arch/x86/entry/ directory. Cc: Borislav Petkov <bp@alien8.de> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: Brian Gerst <brgerst@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-05-31mei: fix up uuid matchingGreg Kroah-Hartman
A previous commit, c93b76b34b4d ("mei: bus: report also uuid in module alias") caused a build error as I missed applying a needed patch to add some macros to uapi/linux/uuid.h. Instead of those additional macros, change the mei code to use the existing uuid structure directly. Fixes: c93b76b34b4d Cc: Tomas Winkler <tomas.winkler@intel.com> Cc: Samuel Ortiz <sameo@linux.intel.com> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-05-28scripts/gdb: fix lx-lsmod refcntAdrien Schildknecht
Commit 2f35c41f58a9 ("module: Replace module_ref with atomic_t refcnt") changes the way refcnt is handled but did not update the gdb script to use the new variable. Since refcnt is not per-cpu anymore, we can directly read its value. Signed-off-by: Adrien Schildknecht <adrien+dev@schischi.me> Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com> Cc: Pantelis Koukousoulas <pktoss@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-05-24checkkconfigsymbols.py: set python2 as default interpreterValentin Rothberg
Some more recent distributions set the default interpreter to python3, causing the script to break since it's written for python2. Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-05-24checkkconfigsymbols.py: add option -i to ignore filesValentin Rothberg
Sometimes a user might be interested to filter certain reports (e.g., the many defconfigs). Now, this can be achieved by specifying a Python regex with -i / --ignore. Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-05-24mei: bus: report also uuid in module aliasTomas Winkler
In order to automate modules matching add device uuid which is reported in client enumeration, keep also the name that is needed in for nfc distinguishing radio vendor Report mei:name:uuid Cc: linux-api@vger.kernel.org Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-05-13usb: add bus type for USB ULPIHeikki Krogerus
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>
2015-04-22Merge tag 'modules-next-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux Pull module updates from Rusty Russell: "Quentin opened a can of worms by adding extable entry checking to modpost, but most architectures seem fixed now. Thanks to all involved. Last minute rebase because I noticed a "[PATCH]" had snuck into a commit message somehow" * tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: modpost: don't emit section mismatch warnings for compiler optimizations modpost: expand pattern matching to support substring matches modpost: do not try to match the SHT_NUL section. modpost: fix extable entry size calculation. modpost: fix inverted logic in is_extable_fault_address(). modpost: handle -ffunction-sections modpost: Whitelist .text.fixup and .exception.text params: handle quotes properly for values not of form foo="bar". modpost: document the use of struct section_check. modpost: handle relocations mismatch in __ex_table. scripts: add check_extable.sh script. modpost: mismatch_handler: retrieve tosym information only when needed. modpost: factorize symbol pretty print in get_pretty_name(). modpost: add handler function pointer to sectioncheck. modpost: add .sched.text and .kprobes.text to the TEXT_SECTIONS list. modpost: add strict white-listing when referencing sections. module: do not print allocation-fail warning on bogus user buffer size kernel/module.c: fix typos in message about unused symbols
2015-04-22Merge tag 'armsoc-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "Here's the usual "low-priority fixes that didn't make it into the last few -rcs, with a twist: We had a fixes pull request that I didn't send in time to get into 4.0, so we'll send some of them to Greg for -stable as well. Contents here is as usual not all that controversial: - a handful of randconfig fixes from Arnd, in particular for older Samsung platforms - Exynos fixes, !SMP building, DTS updates for MMC and lid switch - Kbuild fix to create output subdirectory for DTB files - misc minor fixes for OMAP" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits) ARM: at91/dt: sama5d3 xplained: add phy address for macb1 kbuild: Create directory for target DTB ARM: mvebu: Disable CPU Idle on Armada 38x ARM: DRA7: Enable Cortex A15 errata 798181 ARM: dts: am57xx-beagle-x15: Add thermal map to include fan and tmp102 ARM: dts: DRA7: Add bandgap and related thermal nodes bus: ocp2scp: SYNC2 value should be changed to 0x6 ARM: dts: am4372: Add "ti,am437x-ocp2scp" as compatible string for OCP2SCP ARM: OMAP2+: remove superfluous NULL pointer check ARM: EXYNOS: Fix build breakage cpuidle on !SMP ARM: dts: fix lid and power pin-functions for exynos5250-spring ARM: dts: fix mmc node updates for exynos5250-spring ARM: OMAP4: remove dead kconfig option OMAP4_ERRATA_I688 MAINTAINERS: add OMAP defconfigs under OMAP SUPPORT ARM: OMAP1: PM: fix some build warnings on 1510-only Kconfigs ARM: cns3xxx: don't export static symbol ARM: S3C24XX: avoid a Kconfig warning ARM: S3C24XX: fix header file inclusions ARM: S3C24XX: fix building without PM_SLEEP ARM: S3C24XX: use SAMSUNG_WAKEMASK for s3c2416 ...
2015-04-22modpost: don't emit section mismatch warnings for compiler optimizationsPaul Gortmaker
Currently an allyesconfig build [gcc-4.9.1] can generate the following: WARNING: vmlinux.o(.text.unlikely+0x3864): Section mismatch in reference from the function cpumask_empty.constprop.3() to the variable .init.data:nmi_ipi_mask which comes from the cpumask_empty usage in arch/x86/kernel/nmi_selftest.c. Normally we would not see a symbol entry for cpumask_empty since it is: static inline bool cpumask_empty(const struct cpumask *srcp) however in this case, the variant of the symbol gets emitted when GCC does constant propagation optimization. Fix things up so that any locally optimized constprop variants don't warn when accessing variables that live in the __init sections. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-04-22modpost: expand pattern matching to support substring matchesPaul Gortmaker
Currently the match() function supports a leading * to match any prefix and a trailing * to match any suffix. However there currently is not a combination of both that can be used to target matches of whole families of functions that share a common substring. Here we expand the *foo and foo* match to also support *foo* with the goal of targeting compiler generated symbol names that contain strings like ".constprop." and ".isra." Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-04-22modpost: do not try to match the SHT_NUL section.Quentin Casasnovas
Trying to match the SHT_NUL section isn't useful and causes build failures on parisc and mn10300 since the addition of section strict white-listing and __ex_table sanitizing. Signed-off-by: Quentin Casasnovas <quentin.casasnovas@oracle.com> Reported-by: Guenter Roeck <linux@roeck-us.net> Fixes: 050e57fd5936 ("modpost: add strict white-listing when referencing....") Fixes: 52dc0595d540 ("modpost: handle relocations mismatch in __ex_table.") Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-04-22modpost: fix extable entry size calculation.Quentin Casasnovas
As Guenter pointed out, we were never really calculating the extable entry size because the pointer arithmetic was simply wrong. We want to check we're handling the second relocation in __ex_table to infer an entry size, but we were using (void*) pointers instead of Elf_Rel[a]* ones. This fixes the problem by moving that check in the caller (since we can deal with different types of relocations) and add is_second_extable_reloc() to make the whole thing more readable. Signed-off-by: Quentin Casasnovas <quentin.casasnovas@oracle.com> Reported-by: Guenter Roeck <linux@roeck-us.net> CC: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-04-22modpost: fix inverted logic in is_extable_fault_address().Quentin Casasnovas
As Guenter pointed out, we want to assert that extable_entry_size has been discovered and not the other way around. Moreover, this sanity check is only valid when we're not dealing with the first relocation in __ex_table, since we have not discovered the extable entry size at that point. This was leading to a divide-by-zero on some architectures and make the build fail. Signed-off-by: Quentin Casasnovas <quentin.casasnovas@oracle.com> Reported-by: Guenter Roeck <linux@roeck-us.net> CC: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-04-22modpost: handle -ffunction-sectionsRusty Russell
52dc0595d540 introduced OTHER_TEXT_SECTIONS for identifying what sections could validly have __ex_table entries. Unfortunately, it wasn't tested with -ffunction-sections, which some architectures use. Reported-by: kbuild test robot <fengguang.wu@intel.com> Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-04-22modpost: Whitelist .text.fixup and .exception.textThierry Reding
32-bit and 64-bit ARM use these sections to store executable code, so they must be whitelisted in modpost's table of valid text sections. Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2015-04-21Merge tag 'char-misc-4.1-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver updates from Greg KH: "Here's the big char/misc driver patchset for 4.1-rc1. Lots of different driver subsystem updates here, nothing major, full details are in the shortlog. All of this has been in linux-next for a while" * tag 'char-misc-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (133 commits) mei: trace: remove unused TRACE_SYSTEM_STRING DTS: ARM: OMAP3-N900: Add lis3lv02d support Documentation: DT: lis302: update wakeup binding lis3lv02d: DT: add wakeup unit 2 and wakeup threshold lis3lv02d: DT: use s32 to support negative values Drivers: hv: hv_balloon: correctly handle num_pages>INT_MAX case Drivers: hv: hv_balloon: correctly handle val.freeram<num_pages case mei: replace check for connection instead of transitioning mei: use mei_cl_is_connected consistently mei: fix mei_poll operation hv_vmbus: Add gradually increased delay for retries in vmbus_post_msg() Drivers: hv: hv_balloon: survive ballooning request with num_pages=0 Drivers: hv: hv_balloon: eliminate jumps in piecewiese linear floor function Drivers: hv: hv_balloon: do not online pages in offline blocks hv: remove the per-channel workqueue hv: don't schedule new works in vmbus_onoffer()/vmbus_onoffer_rescind() hv: run non-blocking message handlers in the dispatch tasklet coresight: moving to new "hwtracing" directory coresight-tmc: Adding a status interface to sysfs coresight: remove the unnecessary configuration coresight-default-sink ...
2015-04-20Merge branch 'misc' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull misc kbuild updates: "This is the remaining part of kbuild stuff for v4.1-rc1: - One wew coccinelle script and a clarification of the proposed fix in bugon.coccinelle - CONFIG_KERNEL_LZ4 support for extract-ikconfig" * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: scripts/coccinelle/misc/bugon.cocci: update bug_on conversion warning scripts/extract-ikconfig: Support LZ4-compressed images. irqf_oneshot.cocci: add check of devm_request_threaded_irq()
2015-04-17Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds
Pull MIPS updates from Ralf Baechle: "This is the main pull request for MIPS for Linux 4.1. Most noteworthy: - Add more Octeon-optimized crypto functions - Octeon crypto preemption and locking fixes - Little endian support for Octeon - Use correct CSR to soft reset Octeons - Support LEDs on the Octeon-based DSR-1000N - Fix PCI interrupt mapping for the Octeon-based DSR-1000N - Mark prom_free_prom_memory() as __init for a number of systems - Support for Imagination's Pistachio SOC. This includes arch and CLK bits. I'd like to merge pinctrl bits later - Improve parallelism of csum_partial for certain pipelines - Organize DTB files in subdirs like other architectures - Implement read_sched_clock for all MIPS platforms other than Octeon - Massive series of 38 fixes and cleanups for the FPU emulator / kernel - Further FPU remulator work to support new features. This sits on a separate branch which also has been pulled into the 4.1 KVM branch - Clean up and fixes for the SEAD3 eval board; remove unused file - Various updates for Netlogic platforms - A number of small updates for Loongson 3 platforms - Increase the memory limit for ATH79 platforms to 256MB - A fair number of fixes and updates for BCM47xx platforms - Finish the implementation of XPA support - MIPS FDC support. No, not floppy controller but Fast Debug Channel :) - Detect the R16000 used in SGI legacy platforms - Fix Kconfig dependencies for the SSB bus support" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (265 commits) MIPS: Makefile: Fix MIPS ASE detection code MIPS: asm: elf: Set O32 default FPU flags MIPS: BCM47XX: Fix detecting Microsoft MN-700 & Asus WL500G MIPS: Kconfig: Disable SMP/CPS for 64-bit MIPS: Hibernate: flush TLB entries earlier MIPS: smp-cps: cpu_set FPU mask if FPU present MIPS: lose_fpu(): Disable FPU when MSA enabled MIPS: ralink: add missing symbol for RALINK_ILL_ACC MIPS: ralink: Fix bad config symbol in PCI makefile. SSB: fix Kconfig dependencies MIPS: Malta: Detect and fix bad memsize values Revert "MIPS: Avoid pipeline stalls on some MIPS32R2 cores." MIPS: Octeon: Delete override of cpu_has_mips_r2_exec_hazard. MIPS: Fix cpu_has_mips_r2_exec_hazard. MIPS: kernel: entry.S: Set correct ISA level for mips_ihb MIPS: asm: spinlock: Fix addiu instruction for R10000_LLSC_WAR case MIPS: r4kcache: Use correct base register for MIPS R6 cache flushes MIPS: Kconfig: Fix typo for the r2-to-r6 emulator kernel parameter MIPS: unaligned: Fix regular load/store instruction emulation for EVA MIPS: unaligned: Surround load/store macros in do {} while statements ...
2015-04-17Merge branch 'akpm' (patches from Andrew)Linus Torvalds
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 ...
2015-04-17kasan: Makefile: shut up warnings if CONFIG_COMPILE_TEST=yAndrey Ryabinin
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>
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