- Jan 28, 2014
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Josh Triplett authored
GCC 4.9 and newer have a new warning -Wdate-time, which warns on any use of __DATE__, __TIME__, or __TIMESTAMP__, which would make the build non-deterministic. Now that the kernel does not use any of those macros, turn on -Werror=date-time if available, to keep it that way. The kernel already (optionally) records this information at build time in a single place; other kernel code should not duplicate that. Signed-off-by:
Josh Triplett <josh@joshtriplett.org> Signed-off-by:
Michal Marek <mmarek@suse.cz>
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Josh Triplett authored
The kernel already has this information, so other bits of kernel code shouldn't duplicate that. This also eliminates the use of __DATE__, which makes the build non-deterministic. This message was already disabled at build time, with PRINT_MESSAGES undef'd at the top of the file. Signed-off-by:
Josh Triplett <josh@joshtriplett.org> Signed-off-by:
Michal Marek <mmarek@suse.cz>
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Josh Triplett authored
The kernel already has this information, and individual drivers shouldn't duplicate that. This also eliminates the use of __DATE__ and __TIME__, which make the build non-deterministic. Signed-off-by:
Josh Triplett <josh@joshtriplett.org> Signed-off-by:
Michal Marek <mmarek@suse.cz>
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Josh Triplett authored
The kernel already has this information, and individual drivers shouldn't duplicate that. This also eliminates the use of __DATE__ and __TIME__, which make the build non-deterministic. Signed-off-by:
Josh Triplett <josh@joshtriplett.org> Signed-off-by:
Michal Marek <mmarek@suse.cz>
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- Jan 21, 2014
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB updates from Greg KH: "Here's the big USB pull request for 3.14-rc1 Lots of little things all over the place, and the usual USB gadget updates, and XHCI fixes (some for an issue reported by a lot of people). USB PHY updates as well as chipidea updates and fixes. All of these have been in the linux-next tree with no reported issues" * tag 'usb-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (318 commits) usb: chipidea: udc: using MultO at TD as real mult value for ISO-TX usb: chipidea: need to mask INT_STATUS when write otgsc usb: chipidea: put hw_phymode_configure before ci_usb_phy_init usb: chipidea: Fix Internal error: : 808 [#1] ARM related to STS flag usb: chipidea: imx: set CI_HDRC_IMX28_WRITE_FIX for imx28 usb: chipidea: add freescale imx28 special write register method usb: ehci: add freescale imx28 special write register method usb: core: check for valid id_table when using the RefId feature usb: cdc-wdm: resp_count can be 0 even if WDM_READ is set usb: core: bail out if user gives an unknown RefId when using new_id usb: core: allow a reference device for new_id usb: core: add sanity checks when using bInterfaceClass with new_id USB: image: correct spelling mistake in comment USB: c67x00: correct spelling mistakes in comments usb: delete non-required instances of include <linux/init.h> usb:hub set hub->change_bits when over-current happens Revert "usb: chipidea: imx: set CI_HDRC_IMX28_WRITE_FIX for imx28" xhci: Set scatter-gather limit to avoid failed block writes. xhci: Avoid infinite loop when sg urb requires too many trbs usb: gadget: remove unused variable in gr_queue_int() ...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/ttyLinus Torvalds authored
Pull tty/serial driver updates from Greg KH: "Here's the big tty/serial driver pull request for 3.14-rc1 There are a number of n_tty fixes and cleanups, and some serial driver bugfixes, and we got rid of one obsolete driver, making this series remove more lines than added, always a nice surprise. All of these have been in linux-next with no reports of issues" * tag 'tty-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (60 commits) tty/serial: at91: disable uart timer at start of shutdown serial: 8250: enable UART_BUG_NOMSR for Tegra tty/serial: at91: reset rx_ring when port is shutdown tty/serial: at91: fix race condition in atmel_serial_remove tty/serial: at91: Handle shutdown more safely serial: sirf: correct condition for fetching dma buffer into tty serial: sirf: provide pm entries of uart_ops serial: sirf: use PM macro initialize PM functions serial: clps711x: Enable driver compilation with COMPILE_TEST serial: clps711x: Add support for N_IRDA line discipline tty: synclink: avoid sleep_on race tty/amiserial: avoid interruptible_sleep_on tty: delete non-required instances of include <linux/init.h> tty: an overflow of multiplication in drivers/tty/cyclades.c serial: Remove old SC26XX driver serial: add support for 200 v3 series Titan card serial: 8250: Fix initialisation of Quatech cards with the AMCC PCI chip tty: Removing the deprecated function tty_vhangup_locked() TTY/n_gsm: Removing the wrong tty_unlock/lock() in gsm_dlci_release() tty/serial: at91: document clock properties ...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/stagingLinus Torvalds authored
Pull staging driver tree changes from Greg KH: "Here's the big drivers/staging/ update for 3.14-rc1 Lots and lots of cleanups, IIO driver updates are also mixed in here due to the subsystem still crossing staging and drivers/iio/, and the dwc2 driver is moved out of staging. There's a new driver (rts5208), which ends up making us adding more lines than removing, but overall there was lots of work toward moving code out of here, which was good All of this has been in linux-next with no reported issues" * tag 'staging-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1084 commits) lustre: delete linux/lustre_debug.h staging: lustre: remove some unused debug macros usb: dwc2: move device tree bindings doc to correct place staging: vt6656: sparse fixes: iwctl_giwgenie use memcpy. staging: vt6656: sparse fixes: iwctl_siwgenie use memcpy. staging: vt6656: sparse fixes ethtool_ioctl Use struct ifreq * staging: vt6656: sparse fixes: dpc.c missing dpc.h staging: lustre: libcfs_debug: small whitespace cleanups staging: lustre: libcfs_debug.h: remove extra blank lines staging: lustre: libcfs_debug.h: Align backslashes in macros staging: lustre: libcfs_debug.h: align define values staging: tidspbridge: adjust error return code (bugfix) Staging: rts5139: rts51x_card: fixed style issues staging: wlags49_h2: Fix "do not use C99 //" in wl_cs.h, wl_enc.h wl_main.h and wl_wext.h Staging: rtl8188eu: Fixed "foo * bar" related coding style issues Staging: rtl8188eu: Fixed required spaces after ',' and around '=' and '==' staging: vt6655: Fix memory leak in wpa_ioctl() imx-drm: parallel-display: honor 'native-mode' property when selecting video mode from DT staging: drm/imx: don't drop crtc offsets when doing pageflip staging: drm/imx: handle framebuffer offsets correctly ...
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Linus Torvalds authored
Merge tag 'driver-core-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core / sysfs patches from Greg KH: "Here's the big driver core and sysfs patch set for 3.14-rc1. There's a lot of work here moving sysfs logic out into a "kernfs" to allow other subsystems to also have a virtual filesystem with the same attributes of sysfs (handle device disconnect, dynamic creation / removal as needed / unneeded, etc) This is primarily being done for the cgroups filesystem, but the goal is to also move debugfs to it when it is ready, solving all of the known issues in that filesystem as well. The code isn't completed yet, but all should be stable now (there is a big section that was reverted due to problems found when testing) There's also some other smaller fixes, and a driver core addition that allows for a "collection" of objects, that the DRM people will be using soon (it's in this tree to make merges after -rc1 easier) All of this has been ...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds authored
Pull char/misc driver patches from Greg KH: "Here's the big char/misc driver patches for 3.14-rc1. Lots of little things, and a new "big" driver, genwqe. Full details are in the shortlog" * tag 'char-misc-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (90 commits) mei: limit the number of consecutive resets mei: revamp mei reset state machine drivers/char: don't use module_init in non-modular ttyprintk.c VMCI: fix error handling path when registering guest driver extcon: gpio: Add power resume support Documentation: HOWTO: Updates on subsystem trees, patchwork, -next (vs. -mm) in ko_KR Documentation: HOWTO: update for 2.6.x -> 3.x versioning in ko_KR Documentation: HOWTO: update stable address in ko_KR Documentation: HOWTO: update LXR web link in ko_KR char: nwbutton: open-code interruptible_sleep_on mei: fix syntax in comments and debug output mei: nfc: mei_nfc_free has to be called under lock mei: use hbm idle state to prevent spurious resets mei: do not run reset flow from the interrupt thread misc: genwqe: fix return value check in genwqe_device_create() GenWQE: Fix warnings for sparc GenWQE: Fix compile problems for Alpha Documentation/misc-devices/mei/mei-amt-version.c: remove unneeded call of mei_deinit() GenWQE: Rework return code for flash-update ioctl sgi-xp: open-code interruptible_sleep_on_timeout ...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linuxLinus Torvalds authored
Pull ARM64 updates from Catalin Marinas: - CPU suspend support on top of PSCI (firmware Power State Coordination Interface) - jump label support - CMA can now be enabled on arm64 - HWCAP bits for crypto and CRC32 extensions - optimised percpu using tpidr_el1 register - code cleanup * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (42 commits) arm64: fix typo in entry.S arm64: kernel: restore HW breakpoint registers in cpu_suspend jump_label: use defined macros instead of hard-coding for better readability arm64, jump label: optimize jump label implementation arm64, jump label: detect %c support for ARM64 arm64: introduce aarch64_insn_gen_{nop|branch_imm}() helper functions arm64: move encode_insn_immediate() from module.c to insn.c arm64: introduce interfaces to hotpatch kernel and module code arm64: introduce basic aarch64 instruction decoding helpers arm64: dts: Reduce size of virtio block device for foundation model arm64: Remove unused __data_loc variable arm64: Enable CMA arm64: Warn on NULL device structure for dma APIs arm64: Add hwcaps for crypto and CRC32 extensions. arm64: drop redundant macros from read_cpuid() arm64: Remove outdated comment arm64: cmpxchg: update macros to prevent warnings arm64: support single-step and breakpoint handler hooks ARM64: fix framepointer check in unwind_frame ARM64: check stack pointer in get_wchan ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x32 uapi changes from Peter Anvin: "This is the first few of a set of patches by H.J. Lu to make the kernel uapi headers usable for x32, as required by some non-glibc libcs. These particular patches make the stat and statfs structures usable" * 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, x32: Use __kernel_long_t for __statfs_word x86, x32: Use __kernel_long_t/__kernel_ulong_t in x86-64 stat.h
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 cpufeature and mpx updates from Peter Anvin: "This includes the basic infrastructure for MPX (Memory Protection Extensions) support, but does not include MPX support itself. It is, however, a prerequisite for KVM support for MPX, which I believe will be pushed later this merge window by the KVM team. This includes moving the functionality in futex_atomic_cmpxchg_inatomic() into a new function in uaccess.h so it can be reused - this will be used by the final MPX patches. The actual MPX functionality (map management and so on) will be pushed in a future merge window, when ready" * 'x86/mpx' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/intel/mpx: Remove unused LWP structure x86, mpx: Add MPX related opcodes to the x86 opcode map x86: replace futex_atomic_cmpxchg_inatomic() with user_atomic_cmpxchg_inatomic x86: add user_atomic_cmpxchg_inatomic at uaccess.h x86, xsave: Support eager-only xsave features, add MPX support x86, cpufeature: Define the Intel MPX feature flag
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 kernel address space randomization support from Peter Anvin: "This enables kernel address space randomization for x86" * 'x86-kaslr-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, kaslr: Clarify RANDOMIZE_BASE_MAX_OFFSET x86, kaslr: Remove unused including <linux/version.h> x86, kaslr: Use char array to gain sizeof sanity x86, kaslr: Add a circular multiply for better bit diffusion x86, kaslr: Mix entropy sources together as needed x86/relocs: Add percpu fixup for GNU ld 2.23 x86, boot: Rename get_flags() and check_flags() to *_cpuflags() x86, kaslr: Raise the maximum virtual address to -1 GiB on x86_64 x86, kaslr: Report kernel offset on panic x86, kaslr: Select random position from e820 maps x86, kaslr: Provide randomness functions x86, kaslr: Return location from decompress_kernel x86, boot: Move CPU flags out of cpucheck x86, relocs: Add more per-cpu gold special cases
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull leftover x86 fixes from Ingo Molnar: "Two leftover fixes that did not make it into v3.13" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: Add check for number of available vectors before CPU down x86, cpu, amd: Add workaround for family 16h, erratum 793
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 RAS changes from Ingo Molnar: - SCI reporting for other error types not only correctable ones - GHES cleanups - Add the functionality to override error reporting agents as some machines are sporting a new extended error logging capability which, if done properly in the BIOS, makes a corresponding EDAC module redundant - PCIe AER tracepoint severity levels fix - Error path correction for the mce device init - MCE timer fix - Add more flexibility to the error injection (EINJ) debugfs interface * 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, mce: Fix mce_start_timer semantics ACPI, APEI, GHES: Cleanup ghes memory error handling ACPI, APEI: Cleanup alignment-aware accesses ACPI, APEI, GHES: Do not report only correctable errors with SCI ACPI, APEI, EINJ: Changes to the ACPI/APEI/EINJ debugfs interface ACPI, eMCA: Combine eMCA/EDAC event reporting priority EDAC, sb_edac: Modify H/W event reporting policy EDAC: Add an edac_report parameter to EDAC PCI, AER: Fix severity usage in aer trace event x86, mce: Call put_device on device_register failure
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull Intel SoC changes from Ingo Molnar: "Improved Intel SoC platform support" * 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, tsc, apic: Unbreak static (MSR) calibration when CONFIG_X86_LOCAL_APIC=n x86, tsc: Add static (MSR) TSC calibration on Intel Atom SoCs arch: x86: New MailBox support driver for Intel SOC's
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 mm changes from Ingo Molnar: "A cleanup, a fix and ASLR support for hugetlb mappings" * 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm/numa: Fix 32-bit kernel NUMA boot x86/mm: Implement ASLR for hugetlb mappings x86/mm: Unify pte_to_pgoff() and pgoff_to_pte() helpers
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 microcode loader updates from Ingo Molnar: "There are two main changes in this tree: - AMD microcode early loading fixes - some microcode loader source files reorganization" * 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, microcode: Move to a proper location x86, microcode, AMD: Fix early ucode loading x86, microcode: Share native MSR accessing variants x86, ramdisk: Export relocated ramdisk VA
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull Intel MID updates from Ingo Molnar: "This tree improves Intel MID (Mobile Internet Device) platform support: - Merrifield platform support (David Cohen) - Clovertrail platform support (Kuppuswamy Sathyanarayanan) - Various cleanups and fixes (David Cohen)" * 'x86-intel-mid-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, intel_mid: Replace memcpy with struct assignment x86, intel-mid: Return proper error code from get_gpio_by_name() x86, intel-mid: Check get_gpio_by_name() error code on platform code x86, intel-mid: sfi_handle_*_dev() should check for pdata error code x86, intel-mid: Remove deprecated X86_MDFLD and X86_WANT_INTEL_MID configs x86, intel-mid: Add Merrifield platform support x86, intel-mid: Add Clovertrail platform support x86, intel-mid: Move Medfield code out of intel-mid.c core file
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 EFI changes from Ingo Molnar: "This consists of two main parts: - New static EFI runtime services virtual mapping layout which is groundwork for kexec support on EFI (Borislav Petkov) - EFI kexec support itself (Dave Young)" * 'x86-efi-kexec-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits) x86/efi: parse_efi_setup() build fix x86: ksysfs.c build fix x86/efi: Delete superfluous global variables x86: Reserve setup_data ranges late after parsing memmap cmdline x86: Export x86 boot_params to sysfs x86: Add xloadflags bit for EFI runtime support on kexec x86/efi: Pass necessary EFI data for kexec via setup_data efi: Export EFI runtime memory mapping to sysfs efi: Export more EFI table variables to sysfs x86/efi: Cleanup efi_enter_virtual_mode() function x86/efi: Fix off-by-one bug in EFI Boot Services reservation x86/efi: Add a wrapper function efi_map_region_fixed() x86/efi: Remove unused variables in __map_region() x86/efi: Check krealloc return value x86/efi: Runtime services virtual mapping x86/mm/cpa: Map in an arbitrary pgd x86/mm/pageattr: Add last levels of error path x86/mm/pageattr: Add a PUD error unwinding path x86/mm/pageattr: Add a PTE pagetable populating function x86/mm/pageattr: Add a PMD pagetable populating function ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 TLB detection update from Ingo Molnar: "A single change that extends our TLB cache size detection+reporting code" * 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, cpu: Detect more TLB configuration
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 cleanups from Ingo Molnar: "Misc cleanups" * 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, cpu, amd: Fix a shadowed variable situation um, x86: Fix vDSO build x86: Delete non-required instances of include <linux/init.h> x86, realmode: Pointer walk cleanups, pull out invariant use of __pa() x86/traps: Clean up error exception handler definitions
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86/build changes from Ingo Molnar: "Misc smaller improvements" * 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, boot: Move intcall() to the .inittext section x86, boot: Use .code16 instead of .code16gcc x86, sparse: Do not force removal of __user when calling copy_to/from_user_nocheck()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86/asm changes from Ingo Molnar: "Misc optimizations" * 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: Slightly tweak the access_ok() C variant for better code x86: Replace assembly access_ok() with a C variant x86-64, copy_user: Use leal to produce 32-bit results x86-64, copy_user: Remove zero byte check before copy user buffer.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86/apic changes from Ingo Molnar: "Two main changes: - improve local APIC Error Status Register reporting robustness - add the 'disable_cpu_apicid=x' boot parameter for kexec booting" * 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, apic: Make disabled_cpu_apicid static read_mostly, fix typos x86, apic, kexec: Add disable_cpu_apicid kernel parameter x86/apic: Read Error Status Register correctly
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer changes from Ingo Molnar: - ARM clocksource/clockevent improvements and fixes - generic timekeeping updates: TAI fixes/improvements, cleanups - Posix cpu timer cleanups and improvements - dynticks updates: full dynticks bugfixes, optimizations and cleanups * 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (46 commits) clocksource: Timer-sun5i: Switch to sched_clock_register() timekeeping: Remove comment that's mostly out of date rtc-cmos: Add an alarm disable quirk timekeeper: fix comment typo for tk_setup_internals() timekeeping: Fix missing timekeeping_update in suspend path timekeeping: Fix CLOCK_TAI timer/nanosleep delays tick/timekeeping: Call update_wall_time outside the jiffies lock timekeeping: Avoid possible deadlock from clock_was_set_delayed timekeeping: Fix potential lost pv notification of time change timekeeping: Fix lost updates to tai adjustment clocksource: sh_cmt: Add clk_prepare/unprepare support clocksource: bcm_kona_timer: Remove unused bcm_timer_ids clocksource: vt8500: Remove deprecated IRQF_DISABLED clocksource: tegra: Remove deprecated IRQF_DISABLED clocksource: misc drivers: Remove deprecated IRQF_DISABLED clocksource: sh_mtu2: Remove unnecessary platform_set_drvdata() clocksource: sh_tmu: Remove unnecessary platform_set_drvdata() clocksource: armada-370-xp: Enable timer divider only when needed clocksource: clksrc-of: Warn if no clock sources are found clocksource: orion: Switch to sched_clock_register() ...
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Ingo Molnar authored
We don't support LWP yet, don't give the impression that we do: represent the LWP state as opaque 128 bytes, the way Linux sees it currently. Cc: Qiaowei Ren <qiaowei.ren@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/n/tip-ecarmjtfKpanpAapfck6dj6g@git.kernel.org Signed-off-by:
Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull scheduler changes from Ingo Molnar: - Add the initial implementation of SCHED_DEADLINE support: a real-time scheduling policy where tasks that meet their deadlines and periodically execute their instances in less than their runtime quota see real-time scheduling and won't miss any of their deadlines. Tasks that go over their quota get delayed (Available to privileged users for now) - Clean up and fix preempt_enable_no_resched() abuse all around the tree - Do sched_clock() performance optimizations on x86 and elsewhere - Fix and improve auto-NUMA balancing - Fix and clean up the idle loop - Apply various cleanups and fixes * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (60 commits) sched: Fix __sched_setscheduler() nice test sched: Move SCHED_RESET_ON_FORK into attr::sched_flags sched: Fix up attr::sched_priority warning sched: Fix up scheduler syscall LTP fails sched: Preserve the nice level over sched_setscheduler() and sched_setparam() calls sched/core: Fix htmldocs warnings sched/deadline: No need to check p if dl_se is valid sched/deadline: Remove unused variables sched/deadline: Fix sparse static warnings m68k: Fix build warning in mac_via.h sched, thermal: Clean up preempt_enable_no_resched() abuse sched, net: Fixup busy_loop_us_clock() sched, net: Clean up preempt_enable_no_resched() abuse sched/preempt: Fix up missed PREEMPT_NEED_RESCHED folding sched/preempt, locking: Rework local_bh_{dis,en}able() sched/clock, x86: Avoid a runtime condition in native_sched_clock() sched/clock: Fix up clear_sched_clock_stable() sched/clock, x86: Use a static_key for sched_clock_stable sched/clock: Remove local_irq_disable() from the clocks sched/clock, x86: Rewrite cyc2ns() to avoid the need to disable IRQs ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf updates from Ingo Molnar: "Kernel side changes: - Add Intel RAPL energy counter support (Stephane Eranian) - Clean up uprobes (Oleg Nesterov) - Optimize ring-buffer writes (Peter Zijlstra) Tooling side changes, user visible: - 'perf diff': - Add column colouring improvements (Ramkumar Ramachandra) - 'perf kvm': - Add guest related improvements, including allowing to specify a directory with guest specific /proc information (Dongsheng Yang) - Add shell completion support (Ramkumar Ramachandra) - Add '-v' option (Dongsheng Yang) - Support --guestmount (Dongsheng Yang) - 'perf probe': - Support showing source code, asking for variables to be collected at probe time and other 'perf probe' operations that use DWARF information. This supports only binaries with debugging information at this time, detached debuginfo (aka debuginfo packages) support should come in later patches (Masami Hiramatsu) - 'perf record': - Rename --no-delay option to --no-buffering, better reflecting its purpose and freeing up '--delay' to take the place of '--initial-delay', so that 'record' and 'stat' are consistent (Arnaldo Carvalho de Melo) - Default the -t/--thread option to no inheritance (Adrian Hunter) - Make per-cpu mmaps the default (Adrian Hunter) - 'perf report': - Improve callchain processing performance (Frederic Weisbecker) - Retain bfd reference to lookup source line numbers, greatly optimizing, among other use cases, 'perf report -s srcline' (Adrian Hunter) - Improve callchain processing performance even more (Namhyung Kim) - Add a perf.data file header window in the 'perf report' TUI, associated with the 'i' hotkey, providing a counterpart to the --header option in the stdio UI (Namhyung Kim) - 'perf script': - Add an option in 'perf script' to print the source line number (Adrian Hunter) - Add --header/--header-only options to 'script' and 'report', the default is not tho show the header info, but as this has been the default for some time, leave a single line explaining how to obtain that information (Jiri Olsa) - Add options to show comm, fork, exit and mmap PERF_RECORD_ events (Namhyung Kim) - Print callchains and symbols if they exist (David Ahern) - 'perf timechart' - Add backtrace support to CPU info - Print pid along the name - Add support for CPU topology - Add new option --highlight'ing threads, be it by name or, if a numeric value is provided, that run more than given duration (Stanislav Fomichev) - 'perf top': - Make 'perf top -g' refer to callchains, for consistency with other tools (David Ahern) - 'perf trace': - Handle old kernels where the "raw_syscalls" tracepoints were called plain "syscalls" (David Ahern) - Remove thread summary coloring, by Pekka Enberg. - Honour -m option in 'trace', the tool was offering the option to set the mmap size, but wasn't using it when doing the actual mmap on the events file descriptors (Jiri Olsa) - generic: - Backport libtraceevent plugin support (trace-cmd repository, with plugins for jbd2, hrtimer, kmem, kvm, mac80211, sched_switch, function, xen, scsi, cfg80211 (Jiri Olsa) - Print session information only if --stdio is given (Namhyung Kim) Tooling side changes, developer visible (plumbing): - Improve 'perf probe' exit path, release resources (Masami Hiramatsu) - Improve libtraceevent plugins exit path, allowing the registering of an unregister handler to be called at exit time (Namhyung Kim) - Add an alias to the build test makefile (make -C tools/perf build-test) (Namhyung Kim) - Get rid of die() and friends (good riddance!) in libtraceevent (Namhyung Kim) - Fix cross build problems related to pkgconfig and CROSS_COMPILE not being propagated to the feature tests, leading to features being tested in the host and then being enabled on the target (Mark Rutland) - Improve forked workload error reporting by sending the errno in the signal data queueing integer field, using sigqueue and by doing the signal setup in the evlist methods, removing open coded equivalents in various tools (Arnaldo Carvalho de Melo) - Do more auto exit cleanup chores in the 'evlist' destructor, so that the tools don't have to all do that sequence (Arnaldo Carvalho de Melo) - Pack 'struct perf_session_env' and 'struct trace' (Arnaldo Carvalho de Melo) - Add test for building detached source tarballs (Arnaldo Carvalho de Melo) - Move some header files (tools/perf/ to tools/include/ to make them available to other tools/ dwelling codebases (Namhyung Kim) - Move logic to warn about kptr_restrict'ed kernels to separate function in 'report' (Arnaldo Carvalho de Melo) - Move hist browser selection code to separate function (Arnaldo Carvalho de Melo) - Move histogram entries collapsing to separate function (Arnaldo Carvalho de Melo) - Introduce evlist__for_each() & friends (Arnaldo Carvalho de Melo) - Automate setup of FEATURE_CHECK_(C|LD)FLAGS-all variables (Jiri Olsa) - Move arch setup into seprate Makefile (Jiri Olsa) - Make libtraceevent install target quieter (Jiri Olsa) - Make tests/make output more compact (Jiri Olsa) - Ignore generated files in feature-checks (Chunwei Chen) - Introduce pevent_filter_strerror() in libtraceevent, similar in purpose to libc's strerror() function (Namhyung Kim) - Use perf_data_file methods to write output file in 'record' and 'inject' (Jiri Olsa) - Use pr_*() functions where applicable in 'report' (Namhyumg Kim) - Add 'machine' 'addr_location' struct to have full picture (machine, thread, map, symbol, addr) for a (partially) resolved address, reducing function signatures (Arnaldo Carvalho de Melo) - Reduce code duplication in the histogram entry creation/insertion (Arnaldo Carvalho de Melo) - Auto allocate annotation histogram data structures (Arnaldo Carvalho de Melo) - No need to test against NULL before calling free, also set freed memory in struct pointers to NULL, to help fixing use after free bugs (Arnaldo Carvalho de Melo) - Rename some struct DSO binary_type related members and methods, to clarify its purpose and need for differentiation (symtab_type, ie one is about the files .text, CFI, etc, i.e. its binary contents, and the other is about where the symbol table came from (Arnaldo Carvalho de Melo) - Convert to new topic libraries, starting with an API one (sysfs, debugfs, etc), renaming liblk in the process (Borislav Petkov) - Get rid of some more panic() like error handling in libtraceevent. (Namhyung Kim) - Get rid of panic() like calls in libtraceevent (Namyung Kim) - Start carving out symbol parsing routines (perf, just moving routines to topic files in tools/lib/symbol/, tools that want to use it need to integrate it directly, ie no tools/lib/symbol/Makefile is provided (Arnaldo Carvalho de Melo) - Assorted refactoring patches, moving code around and adding utility evlist methods that will be used in the IPT patchset (Adrian Hunter) - Assorted mmap_pages handling fixes (Adrian Hunter) - Several man pages typo fixes (Dongsheng Yang) - Get rid of several die() calls in libtraceevent (Namhyung Kim) - Use basename() in a more robust way, to avoid problems related to different system library implementations for that function (Stephane Eranian) - Remove open coded management of short_name_allocated member (Adrian Hunter) - Several cleanups in the "dso" methods, constifying some parameters and renaming some fields to clarify its purpose (Arnaldo Carvalho de Melo) - Add per-feature check flags, fixing libunwind related build problems on some architectures (Jean Pihet) - Do not disable source line lookup just because of one failure. (Adrian Hunter) - Several 'perf kvm' man page corrections (Dongsheng Yang) - Correct the message in feature-libnuma checking, swowing the right devel package names for various distros (Dongsheng Yang) - Polish 'readn()' function and introduce its counterpart, 'writen()' (Jiri Olsa) - Start moving timechart state from global variables to a 'perf_tool' derived 'timechart' struct (Arnaldo Carvalho de Melo) ... and lots of fixes and improvements I forgot to list" * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (282 commits) perf tools: Remove unnecessary callchain cursor state restore on unmatch perf callchain: Spare double comparison of callchain first entry perf tools: Do proper comm override error handling perf symbols: Export elf_section_by_name and reuse perf probe: Release all dynamically allocated parameters perf probe: Release allocated probe_trace_event if failed perf tools: Add 'build-test' make target tools lib traceevent: Unregister handler when xen plugin is unloaded tools lib traceevent: Unregister handler when scsi plugin is unloaded tools lib traceevent: Unregister handler when jbd2 plugin is is unloaded tools lib traceevent: Unregister handler when cfg80211 plugin is unloaded tools lib traceevent: Unregister handler when mac80211 plugin is unloaded tools lib traceevent: Unregister handler when sched_switch plugin is unloaded tools lib traceevent: Unregister handler when kvm plugin is unloaded tools lib traceevent: Unregister handler when kmem plugin is unloaded tools lib traceevent: Unregister handler when hrtimer plugin is unloaded tools lib traceevent: Unregister handler when function plugin is unloaded tools lib traceevent: Add pevent_unregister_print_function() tools lib traceevent: Add pevent_unregister_event_handler() tools lib traceevent: fix pointer-integer size mismatch ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull IRQ changes from Ingo Molnar: "The only change in this cycle is a CPU hotplug related spurious warning fix" * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/irq: Fix kbuild warning in smp_irq_move_cleanup_interrupt() x86/irq: Fix do_IRQ() interrupt warning for cpu hotplug retriggered irqs
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Linus Torvalds authored
Merge branch 'core-stackprotector-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull strong stackprotector support from Ingo Molnar: "This tree adds a CONFIG_CC_STACKPROTECTOR_STRONG=y, a new, stronger stack canary checking method supported by the newest GCC versions (4.9 and later). Here's the 'intensity comparison' between the various protection modes: - defconfig 11430641 kernel text size 36110 function bodies - defconfig + CONFIG_CC_STACKPROTECTOR_REGULAR 11468490 kernel text size (+0.33%) 1015 of 36110 functions are stack-protected (2.81%) - defconfig + CONFIG_CC_STACKPROTECTOR_STRONG via this patch 11692790 kernel text size (+2.24%) 7401 of 36110 functions are stack-protected (20.5%) the strong model comes with non-trivial costs, which is why we preserved the 'regular' and 'none' models as well" * 'core-stackprotector-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: stackprotector: Introduce CONFIG_CC_STACKPROTECTOR_STRONG stackprotector: Unify the HAVE_CC_STACKPROTECTOR logic between architectures
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull RCU updates from Ingo Molnar: - add RCU torture scripts/tooling - static analysis improvements - update RCU documentation - miscellaneous fixes * 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (52 commits) rcu: Remove "extern" from function declarations in kernel/rcu/rcu.h rcu: Remove "extern" from function declarations in include/linux/*rcu*.h rcu/torture: Dynamically allocate SRCU output buffer to avoid overflow rcu: Don't activate RCU core on NO_HZ_FULL CPUs rcu: Warn on allegedly impossible rcu_read_unlock_special() from irq rcu: Add an RCU_INITIALIZER for global RCU-protected pointers rcu: Make rcu_assign_pointer's assignment volatile and type-safe bonding: Use RCU_INIT_POINTER() for better overhead and for sparse rcu: Add comment on evaluate-once properties of rcu_assign_pointer(). rcu: Provide better diagnostics for blocking in RCU callback functions rcu: Improve SRCU's grace-period comments rcu: Fix CONFIG_RCU_FANOUT_EXACT for odd fanout/leaf values rcu: Fix coccinelle warnings rcutorture: Stop tracking FSF's postal address rcutorture: Move checkarg to functions.sh rcutorture: Flag errors and warnings with color coding rcutorture: Record results from repeated runs of the same test scenario rcutorture: Test summary at end of run with less chattiness rcutorture: Update comment in kvm.sh listing typical RCU trace events rcutorture: Add tracing-enabled version of TREE08 ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull core locking changes from Ingo Molnar: - futex performance increases: larger hashes, smarter wakeups - mutex debugging improvements - lots of SMP ordering documentation updates - introduce the smp_load_acquire(), smp_store_release() primitives. (There are WIP patches that make use of them - not yet merged) - lockdep micro-optimizations - lockdep improvement: better cover IRQ contexts - liblockdep at last. We'll continue to monitor how useful this is * 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (34 commits) futexes: Fix futex_hashsize initialization arch: Re-sort some Kbuild files to hopefully help avoid some conflicts futexes: Avoid taking the hb->lock if there's nothing to wake up futexes: Document multiprocessor ordering guarantees futexes: Increase hash table size for better performance futexes: Clean up various details arch: Introduce smp_load_acquire(), smp_store_release() arch: Clean up asm/barrier.h implementations using asm-generic/barrier.h arch: Move smp_mb__{before,after}_atomic_{inc,dec}.h into asm/atomic.h locking/doc: Rename LOCK/UNLOCK to ACQUIRE/RELEASE mutexes: Give more informative mutex warning in the !lock->owner case powerpc: Full barrier for smp_mb__after_unlock_lock() rcu: Apply smp_mb__after_unlock_lock() to preserve grace periods Documentation/memory-barriers.txt: Downgrade UNLOCK+BLOCK locking: Add an smp_mb__after_unlock_lock() for UNLOCK+BLOCK barrier Documentation/memory-barriers.txt: Document ACCESS_ONCE() Documentation/memory-barriers.txt: Prohibit speculative writes Documentation/memory-barriers.txt: Add long atomic examples to memory-barriers.txt Documentation/memory-barriers.txt: Add needed ACCESS_ONCE() calls to memory-barriers.txt Revert "smp/cpumask: Make CONFIG_CPUMASK_OFFSTACK=y usable without debug dependency" ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull core debug changes from Ingo Molnar: "Currently there are two methods to set the panic_timeout: via 'panic=X' boot commandline option, or via /proc/sys/kernel/panic. This tree adds a third panic_timeout configuration method: configuration via Kconfig, via CONFIG_PANIC_TIMEOUT=X - useful to distros that generally want their kernel defaults to come with the .config. CONFIG_PANIC_TIMEOUT defaults to 0, which was the previous default value of panic_timeout. Doing that unearthed a few arch trickeries regarding arch-special panic_timeout values and related complications - hopefully all resolved to the satisfaction of everyone" * 'core-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: powerpc: Clean up panic_timeout usage MIPS: Remove panic_timeout settings panic: Make panic_timeout configurable
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktestLinus Torvalds authored
Pull ktest updates from Steven Rostedt: "Here's some basic updates to ktest.pl. They include: - add config to modify the signal to terminate console - update to documentation (missing some config options) - add KERNEL_VERSION variable to use for other configs - add '=~' to let configs eval other configs - add BISECT_TRIES to run multiple tests per git bisect good" * tag 'ktest-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest: ktest: Add BISECT_TRIES to bisect test ktest: Add eval '=~' command to modify variables in config file ktest: Add special variable ${KERNEL_VERSION} ktest: Add documentation of CLOSE_CONSOLE_SIGNAL ktest: Make the signal to terminate the console configurable
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Linus Torvalds authored
Merge tag 'localmodconfig-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig Pull localmodconfig update from Steven Rostedt: "While debugging the problem with localmodconfig and the ALSA codec modules all being set, I discovered a small bug in the dependency logic. If a config has a dependency based on its setting value, localmodcondig misses it. For example: config FOO default y if BAR || ZOO If FOO is needed for a module and is set to '=m', and so are BAR or ZOO, localmodconfig will not see that BAR or ZOO are also needed for the foo module, and will incorrectly disable them" * tag 'localmodconfig-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig: localmodconfig: Add config depends by default settings
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-stagingLinus Torvalds authored
Pull hwmon updates from Guenter Roeck: "Add support for Kaveri CPUs to k10temp driver. Add support for S12x0 to coretemp driver. Cleanup and minor fixes in several drivers. Notable are 'Do not return -EAGAIN for low temperatures' to coretemp and 'Re-enable logical device mapping for NCT6791 during resume' to nct6775. Both will be sent to -stable, but only after some time in mainline" * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (k10temp) Add support for Kaveri CPUs hwmon: (sht15) add include guard hwmon: (max197) add include guard hwmon: (nct6775) Re-enable logical device mapping for NCT6791 during resume hwmon: (s3c) Trivial cleanup in hwmon-s3c.h hwmon: (coretemp) Do not return -EAGAIN for low temperatures hwmon: (da9052) Fix adc to voltage calculation hwmon: (coretemp) Refine TjMax detection hwmon: (coretemp) Add PCI device ID for CE41x0 CPUs hwmon: (coretemp) Use PCI host bridge ID to identify CPU if necessary hwmon: remove DEFINE_PCI_DEVICE_TABLE macro
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linuxLinus Torvalds authored
Pull ia64 Xen removal from Tony Luck: "Nobody has been maintaining xen in ia64 for a long time. Rip it all out so people do not waste time making updates to broken/dead code" * tag 'please-pull-rm_xen' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: ia64/xen: Remove Xen support for ia64
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git://git.kernel.org/pub/scm/linux/kernel/git/bp/bpLinus Torvalds authored
Pull EDAC updates from Borislav Petkov: - mpc85xx PCIe error interrupt support - misc small enhancements/fixes all over the place. * tag 'edac_for_3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: EDAC: Don't try to cancel workqueue when it's never setup e752x_edac: Fix pci_dev usage count sb_edac: Mark get_mci_for_node_id as static EDAC: Mark edac_create_debug_nodes as static amd64_edac: Remove "amd64" prefix from static functions amd64_edac: Simplify code around decode_bus_error amd64_edac: Mark amd64_decode_bus_error as static EDAC: Remove DEFINE_PCI_DEVICE_TABLE macro amd64_edac: Fix condition to verify max channels allowed for F15 M30h edac/85xx: Add PCIe error interrupt edac support
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git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metagLinus Torvalds authored
Pull Metag architecture changes from James Hogan: - A few cleanups and minor bug fixes. - Kill SMP single function call IPI. * tag 'metag-for-v3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag: metag/smp: Make boot_secondary() static metag: topology: export 'cpu_core_map' smp, metag: kill SMP single function call interrupt metag: smp: don't set irq regs in do_IPI() metag: dma: remove dead code in dma_alloc_init()
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