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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
"The main new feature is machine support for System zEC12 including
transactional memory, runtime instrumentation, support for scm block
devices via eadm subchannels, and support for CEX4 crypto cards.
In addition there are some nice improvements: bpf jit compiler, arch
backend for cmpxchg_double, relative exception table entries, dasd
partition detection independent from the dasd driver ioctls, and cpu
cache information in /proc/cpuinfo and /sys/device/cpu.
And last but not least a series of cleanup patches from Heiko."
Fix up trivial add-add conflict in arch/s390/Kconfig due to commit
b952741c8079 ("cputime: Generalize CONFIG_VIRT_CPU_ACCOUNTING")
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (76 commits)
s390: update defconfig
s390/jump label,nss: let shared kernel support depend on !JUMP_LABEL
s390/disassembler: fix decoding of risblg instruction
s390/bpf,jit: add support for BPF_S_ANC_ALU_XOR_X instruction
s390/traps: move call to print_modules() out of show_regs()
s390/mm: mark free_initrd_mem() as __init
s390/dasd: check count address during online setting
drivers/s390/char/monreader.c: fix error return code
s390/cmpxchg,percpu: implement cmpxchg_double()
s390/percpu: implement this_cpu_add_return()
s390/percpu: implement this_cpu_xchg()
s390/kexec: remove CONFIG_KEXEC
s390/irq: use designated initializers for irq class array
s390: add uninitialized_var() to suppress false positive compiler warnings
s390/crashdump: move fill_cpu_elf_notes() prototype to header file
s390/process: add missing header include
s390/ptrace: add missing ifdef
s390/ipl,decrompressor: disable branch profiling
s390/perf_events: compile only for CONFIG_64BIT
s390/tape: remove even more tape block leftovers
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/microcode changes from Ingo Molnar:
"The biggest changes are to AMD microcode patching: add code for
caching all microcode patches which belong to the current family on
which we're running, in the kernel.
We look up the patch needed for each core from the cache at
patch-application time instead of holding a single patch per-system"
* 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, microcode, AMD: Fix use after free in free_cache()
x86, microcode, AMD: Rewrite patch application procedure
x86, microcode, AMD: Add a small, per-family patches cache
x86, microcode, AMD: Add reverse equiv table search
x86, microcode: Add a refresh firmware flag to ->request_microcode_fw
x86, microcode, AMD: Read CPUID(1).EAX on the correct cpu
x86, microcode, AMD: Check before applying a patch
x86, microcode, AMD: Remove useless get_ucode_data wrapper
x86, microcode: Straighten out Kconfig text
x86, microcode: Cleanup cpu hotplug notifier callback
x86, microcode: Drop uci->mc check on resume path
x86, microcode: Save an indentation level in reload_for_cpu
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/platform changes from Ingo Molnar:
"This cleans up some Xen-induced pagetable init code uglies, by
generalizing new platform callbacks and state: x86_init.paging.*"
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Document x86_init.paging.pagetable_init()
x86: xen: Cleanup and remove x86_init.paging.pagetable_setup_done()
x86: Move paging_init() call to x86_init.paging.pagetable_init()
x86: Rename pagetable_setup_start() to pagetable_init()
x86: Remove base argument from x86_init.paging.pagetable_setup_start
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/mm changes from Ingo Molnar:
"The biggest change is new TLB partial flushing code for AMD CPUs.
(The v3.6 kernel had the Intel CPU side code, see commits
e0ba94f14f74..effee4b9b3b.)
There's also various other refinements around the TLB flush code"
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Distinguish TLB shootdown interrupts from other functions call interrupts
x86/mm: Fix range check in tlbflush debugfs interface
x86, cpu: Preset default tlb_flushall_shift on AMD
x86, cpu: Add AMD TLB size detection
x86, cpu: Push TLB detection CPUID check down
x86, cpu: Fixup tlb_flushall_shift formatting
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/MCE update from Ingo Molnar:
"Various MCE robustness enhancements.
One of the changes adds CMCI (Corrected Machine Check Interrupt) poll
mode on Intel Nehalem+ CPUs, which mode is automatically entered when
the rate of messages is too high - and exited once the storm is over.
An MCE events storm will roughly look like this:
[ 5342.740616] mce: [Hardware Error]: Machine check events logged
[ 5342.746501] mce: [Hardware Error]: Machine check events logged
[ 5342.757971] CMCI storm detected: switching to poll mode
[ 5372.674957] CMCI storm subsided: switching to interrupt mode
This should make such events more survivable"
* 'x86-mce-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Provide boot argument to honour bios-set CMCI threshold
x86, MCE: Remove unused defines
x86, mce: Enable MCA support by default
x86/mce: Add CMCI poll mode
x86/mce: Make cmci_discover() quiet
x86: mce: Remove the frozen cases in the hotplug code
x86: mce: Split timer init
x86: mce: Serialize mce injection
x86: mce: Disable preemption when calling raise_local()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/fpu update from Ingo Molnar:
"The biggest change is the addition of the non-lazy (eager) FPU saving
support model and enabling it on CPUs with optimized xsaveopt/xrstor
FPU state saving instructions.
There are also various Sparse fixes"
Fix up trivial add-add conflict in arch/x86/kernel/traps.c
* 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, kvm: fix kvm's usage of kernel_fpu_begin/end()
x86, fpu: remove cpu_has_xmm check in the fx_finit()
x86, fpu: make eagerfpu= boot param tri-state
x86, fpu: enable eagerfpu by default for xsaveopt
x86, fpu: decouple non-lazy/eager fpu restore from xsave
x86, fpu: use non-lazy fpu restore for processors supporting xsave
lguest, x86: handle guest TS bit for lazy/non-lazy fpu host models
x86, fpu: always use kernel_fpu_begin/end() for in-kernel FPU usage
x86, kvm: use kernel_fpu_begin/end() in kvm_load/put_guest_fpu()
x86, fpu: remove unnecessary user_fpu_end() in save_xstate_sig()
x86, fpu: drop_fpu() before restoring new state from sigframe
x86, fpu: Unify signal handling code paths for x86 and x86_64 kernels
x86, fpu: Consolidate inline asm routines for saving/restoring fpu state
x86, signal: Cleanup ifdefs and is_ia32, is_x32
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/EFI changes from Ingo Molnar:
"EFI loader robustness enhancements plus smaller fixes"
* 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi: Fix the ACPI BGRT driver for images located in EFI boot services memory
efi: Add a function to look up existing IO memory mappings
efi: Defer freeing boot services memory until after ACPI init
x86, EFI: Calculate the EFI framebuffer size instead of trusting the firmware
efifb: Skip DMI checks if the bootloader knows what it's doing
efi: initialize efi.runtime_version to make query_variable_info/update_capsule workable
efi: Build EFI stub with EFI-appropriate options
X86: Improve GOP detection in the EFI boot stub
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 debug update from Ingo Molnar:
"Various small enhancements"
* 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/debug: Dump family, model, stepping of the boot CPU
x86/iommu: Use NULL instead of plain 0 for __IOMMU_INIT
x86/iommu: Drop duplicate const in __IOMMU_INIT
x86/fpu/xsave: Keep __user annotation in casts
x86/pci/probe_roms: Add missing __iomem annotation to pci_map_biosrom()
x86/signals: ia32_signal.c: add __user casts to fix sparse warnings
x86/vdso: Add __user annotation to VDSO32_SYMBOL
x86: Fix __user annotations in asm/sys_ia32.h
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/cpu and x86/cpufeature from Ingo Molnar:
"One tiny cleanup, and prepare for SMAP (Supervisor Mode Access
Prevention) support on x86"
* 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Remove the useless branch in c_start()
* 'x86-cpufeature-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, cpufeature: Add feature bit for SMAP
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Linux 3.6
* tag 'v3.6': (562 commits)
Linux 3.6
vfs: dcache: fix deadlock in tree traversal
mtdchar: fix offset overflow detection
thp: avoid VM_BUG_ON page_count(page) false positives in __collapse_huge_page_copy
iommu/amd: Fix wrong assumption in iommu-group specific code
netdev: octeon: fix return value check in octeon_mgmt_init_phy()
ALSA: snd-usb: fix next_packet_size calls for pause case
inetpeer: fix token initialization
qlcnic: Fix scheduling while atomic bug
bnx2: Clean up remaining iounmap
trivial select_parent documentation fix
net: phy: smsc: Implement PHY config_init for LAN87xx
smsc75xx: fix resume after device reset
um: Preinclude include/linux/kern_levels.h
um: Fix IPC on um
netdev: pasemi: fix return value check in pasemi_mac_phy_init()
team: fix return value check
l2tp: fix return value check
USB: Fix race condition when removing host controllers
USB: ohci-at91: fix null pointer in ohci_hcd_at91_overcurrent_irq
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/cleanups from Ingo Molnar:
"Smaller cleanups"
* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
arch/x86: Remove unecessary semicolons
x86, boot: Remove obsolete and unused constant RAMDISK
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/build changes from Ingo Molnar:
"defconfig and kconfig cleanups/fixes"
* 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/Kconfig: Clean up Kconfig defaults
x86/Kconfig: Turn off DEBUG_NX_TEST module in defconfigs
x86/Kconfig: Turn off CONFIG_BLK_DEV_RAM
x86/Kconfig: Disable CONFIG_CRC_T10DIF in defconfigs
x86/Kconfig: Switch to ext4 in defconfigs
x86/Kconfig: Update defconfigs to current results of "make savedefconfig"
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/asm changes from Ingo Molnar:
"The one change that stands out is the alternatives patching change
that prevents us from ever patching back instructions from SMP to UP:
this simplifies things and speeds up CPU hotplug.
Other than that it's smaller fixes, cleanups and improvements."
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Unspaghettize do_trap()
x86_64: Work around old GAS bug
x86: Use REP BSF unconditionally
x86: Prefer TZCNT over BFS
x86/64: Adjust types of temporaries used by ffs()/fls()/fls64()
x86: Drop unnecessary kernel_eflags variable on 64-bit
x86/smp: Don't ever patch back to UP if we unplug cpus
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/apic changes from Ingo Molnar:
"Smaller fixes and cleanups"
* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/api: Rename mp_register_lapic in a comment
x86/irq/i8259: Fix incorrect comment
x86: dt: Use linear irq domain for ioapic(s)
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler changes from Ingo Molnar:
"Continued quest to clean up and enhance the cputime code by Frederic
Weisbecker, in preparation for future tickless kernel features.
Other than that, smallish changes."
Fix up trivial conflicts due to additions next to each other in arch/{x86/}Kconfig
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
cputime: Make finegrained irqtime accounting generally available
cputime: Gather time/stats accounting config options into a single menu
ia64: Reuse system and user vtime accounting functions on task switch
ia64: Consolidate user vtime accounting
vtime: Consolidate system/idle context detection
cputime: Use a proper subsystem naming for vtime related APIs
sched: cpu_power: enable ARCH_POWER
sched/nohz: Clean up select_nohz_load_balancer()
sched: Fix load avg vs. cpu-hotplug
sched: Remove __ARCH_WANT_INTERRUPTS_ON_CTXSW
sched: Fix nohz_idle_balance()
sched: Remove useless code in yield_to()
sched: Add time unit suffix to sched sysctl knobs
sched/debug: Limit sd->*_idx range on sysctl
sched: Remove AFFINE_WAKEUPS feature flag
s390: Remove leftover account_tick_vtime() header
cputime: Consolidate vtime handling on context switch
sched: Move cputime code to its own file
cputime: Generalize CONFIG_VIRT_CPU_ACCOUNTING
tile: Remove SD_PREFER_LOCAL leftover
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fix from Ingo Molnar:
"Leftover perf/urgent fix from the v3.6 cycle"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86: Fix typo in uncore_pmu_to_box
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf update from Ingo Molnar:
"Lots of changes in this cycle as well, with hundreds of commits from
over 30 contributors. Most of the activity was on the tooling side.
Higher level changes:
- New 'perf kvm' analysis tool, from Xiao Guangrong.
- New 'perf trace' system-wide tracing tool
- uprobes fixes + cleanups from Oleg Nesterov.
- Lots of patches to make perf build on Android out of box, from
Irina Tirdea
- Extend ftrace function tracing utility to be more dynamic for its
users. It allows for data passing to the callback functions, as
well as reading regs as if a breakpoint were to trigger at function
entry.
The main goal of this patch series was to allow kprobes to use
ftrace as an optimized probe point when a probe is placed on an
ftrace nop. With lots of help from Masami Hiramatsu, and going
through lots of iterations, we finally came up with a good
solution.
- Add cpumask for uncore pmu, use it in 'stat', from Yan, Zheng.
- Various tracing updates from Steve Rostedt
- Clean up and improve 'perf sched' performance by elliminating lots
of needless calls to libtraceevent.
- Event group parsing support, from Jiri Olsa
- UI/gtk refactorings and improvements from Namhyung Kim
- Add support for non-tracepoint events in perf script python, from
Feng Tang
- Add --symbols to 'script', similar to the one in 'report', from
Feng Tang.
Infrastructure enhancements and fixes:
- Convert the trace builtins to use the growing evsel/evlist
tracepoint infrastructure, removing several open coded constructs
like switch like series of strcmp to dispatch events, etc.
Basically what had already been showcased in 'perf sched'.
- Add evsel constructor for tracepoints, that uses libtraceevent just
to parse the /format events file, use it in a new 'perf test' to
make sure the libtraceevent format parsing regressions can be more
readily caught.
- Some strange errors were happening in some builds, but not on the
next, reported by several people, problem was some parser related
files, generated during the build, didn't had proper make deps, fix
from Eric Sandeen.
- Introduce struct and cache information about the environment where
a perf.data file was captured, from Namhyung Kim.
- Fix handling of unresolved samples when --symbols is used in
'report', from Feng Tang.
- Add union member access support to 'probe', from Hyeoncheol Lee.
- Fixups to die() removal, from Namhyung Kim.
- Render fixes for the TUI, from Namhyung Kim.
- Don't enable annotation in non symbolic view, from Namhyung Kim.
- Fix pipe mode in 'report', from Namhyung Kim.
- Move related stats code from stat to util/, will be used by the
'stat' kvm tool, from Xiao Guangrong.
- Remove die()/exit() calls from several tools.
- Resolve vdso callchains, from Jiri Olsa
- Don't pass const char pointers to basename, so that we can
unconditionally use libgen.h and thus avoid ifdef BIONIC lines,
from David Ahern
- Refactor hist formatting so that it can be reused with the GTK
browser, From Namhyung Kim
- Fix build for another rbtree.c change, from Adrian Hunter.
- Make 'perf diff' command work with evsel hists, from Jiri Olsa.
- Use the only field_sep var that is set up: symbol_conf.field_sep,
fix from Jiri Olsa.
- .gitignore compiled python binaries, from Namhyung Kim.
- Get rid of die() in more libtraceevent places, from Namhyung Kim.
- Rename libtraceevent 'private' struct member to 'priv' so that it
works in C++, from Steven Rostedt
- Remove lots of exit()/die() calls from tools so that the main perf
exit routine can take place, from David Ahern
- Fix x86 build on x86-64, from David Ahern.
- {int,str,rb}list fixes from Suzuki K Poulose
- perf.data header fixes from Namhyung Kim
- Allow user to indicate objdump path, needed in cross environments,
from Maciek Borzecki
- Fix hardware cache event name generation, fix from Jiri Olsa
- Add round trip test for sw, hw and cache event names, catching the
problem Jiri fixed, after Jiri's patch, the test passes
successfully.
- Clean target should do clean for lib/traceevent too, fix from David
Ahern
- Check the right variable for allocation failure, fix from Namhyung
Kim
- Set up evsel->tp_format regardless of evsel->name being set
already, fix from Namhyung Kim
- Oprofile fixes from Robert Richter.
- Remove perf_event_attr needless version inflation, from Jiri Olsa
- Introduce libtraceevent strerror like error reporting facility,
from Namhyung Kim
- Add pmu mappings to perf.data header and use event names from cmd
line, from Robert Richter
- Fix include order for bison/flex-generated C files, from Ben
Hutchings
- Build fixes and documentation corrections from David Ahern
- Assorted cleanups from Robert Richter
- Let O= makes handle relative paths, from Steven Rostedt
- perf script python fixes, from Feng Tang.
- Initial bash completion support, from Frederic Weisbecker
- Allow building without libelf, from Namhyung Kim.
- Support DWARF CFI based unwind to have callchains when %bp based
unwinding is not possible, from Jiri Olsa.
- Symbol resolution fixes, while fixing support PPC64 files with an
.opt ELF section was the end goal, several fixes for code that
handles all architectures and cleanups are included, from Cody
Schafer.
- Assorted fixes for Documentation and build in 32 bit, from Robert
Richter
- Cache the libtraceevent event_format associated to each evsel
early, so that we avoid relookups, i.e. calling pevent_find_event
repeatedly when processing tracepoint events.
[ This is to reduce the surface contact with libtraceevents and
make clear what is that the perf tools needs from that lib: so
far parsing the common and per event fields. ]
- Don't stop the build if the audit libraries are not installed, fix
from Namhyung Kim.
- Fix bfd.h/libbfd detection with recent binutils, from Markus
Trippelsdorf.
- Improve warning message when libunwind devel packages not present,
from Jiri Olsa"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (282 commits)
perf trace: Add aliases for some syscalls
perf probe: Print an enum type variable in "enum variable-name" format when showing accessible variables
perf tools: Check libaudit availability for perf-trace builtin
perf hists: Add missing period_* fields when collapsing a hist entry
perf trace: New tool
perf evsel: Export the event_format constructor
perf evsel: Introduce rawptr() method
perf tools: Use perf_evsel__newtp in the event parser
perf evsel: The tracepoint constructor should store sys:name
perf evlist: Introduce set_filter() method
perf evlist: Renane set_filters method to apply_filters
perf test: Add test to check we correctly parse and match syscall open parms
perf evsel: Handle endianity in intval method
perf evsel: Know if byte swap is needed
perf tools: Allow handling a NULL cpu_map as meaning "all cpus"
perf evsel: Improve tracepoint constructor setup
tools lib traceevent: Fix error path on pevent_parse_event
perf test: Fix build failure
trace: Move trace event enable from fs_initcall to core_initcall
tracing: Add an option for disabling markers
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU changes from Ingo Molnar:
0. 'idle RCU':
Adds RCU APIs that allow non-idle tasks to enter RCU idle mode and
provides x86 code to make use of them, allowing RCU to treat
user-mode execution as an extended quiescent state when the new
RCU_USER_QS kernel configuration parameter is specified. (Work is
in progress to port this to a few other architectures, but is not
part of this series.)
1. A fix for a latent bug that has been in RCU ever since the addition
of CPU stall warnings. This bug results in false-positive stall
warnings, but thus far only on embedded systems with severely
cut-down userspace configurations.
2. Further reductions in latency spikes for huge systems, along with
additional boot-time adaptation to the actual hardware.
This is a large change, as it moves RCU grace-period initialization
and cleanup, along with quiescent-state forcing, from softirq to a
kthread. However, it appears to be in quite good shape (famous
last words).
3. Updates to documentation and rcutorture, the latter category
including keeping statistics on CPU-hotplug latencies and fixing
some initialization-time races.
4. CPU-hotplug fixes and improvements.
5. Idle-loop fixes that were omitted on an earlier submission.
6. Miscellaneous fixes and improvements
In certain RCU configurations new kernel threads will show up (rcu_bh,
rcu_sched), showing RCU processing overhead.
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (90 commits)
rcu: Apply micro-optimization and int/bool fixes to RCU's idle handling
rcu: Userspace RCU extended QS selftest
x86: Exit RCU extended QS on notify resume
x86: Use the new schedule_user API on userspace preemption
rcu: Exit RCU extended QS on user preemption
rcu: Exit RCU extended QS on kernel preemption after irq/exception
x86: Exception hooks for userspace RCU extended QS
x86: Unspaghettize do_general_protection()
x86: Syscall hooks for userspace RCU extended QS
rcu: Switch task's syscall hooks on context switch
rcu: Ignore userspace extended quiescent state by default
rcu: Allow rcu_user_enter()/exit() to nest
rcu: Settle config for userspace extended quiescent state
rcu: Make RCU_FAST_NO_HZ handle adaptive ticks
rcu: New rcu_user_enter_after_irq() and rcu_user_exit_after_irq() APIs
rcu: New rcu_user_enter() and rcu_user_exit() APIs
ia64: Add missing RCU idle APIs on idle loop
xtensa: Add missing RCU idle APIs on idle loop
score: Add missing RCU idle APIs on idle loop
parisc: Add missing RCU idle APIs on idle loop
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull the trivial tree from Jiri Kosina:
"Tiny usual fixes all over the place"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (34 commits)
doc: fix old config name of kprobetrace
fs/fs-writeback.c: cleanup riteback_sb_inodes kerneldoc
btrfs: fix the commment for the action flags in delayed-ref.h
btrfs: fix trivial typo for the comment of BTRFS_FREE_INO_OBJECTID
vfs: fix kerneldoc for generic_fh_to_parent()
treewide: fix comment/printk/variable typos
ipr: fix small coding style issues
doc: fix broken utf8 encoding
nfs: comment fix
platform/x86: fix asus_laptop.wled_type module parameter
mfd: printk/comment fixes
doc: getdelays.c: remember to close() socket on error in create_nl_socket()
doc: aliasing-test: close fd on write error
mmc: fix comment typos
dma: fix comments
spi: fix comment/printk typos in spi
Coccinelle: fix typo in memdup_user.cocci
tmiofb: missing NULL pointer checks
tools: perf: Fix typo in tools/perf
tools/testing: fix comment / output typos
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
- Support for putting regulators into bypass mode where they simply
switch their input to the output (mainly used for low power
retention).
- A new API for setting voltages based on a voltage plus tolerance
rather than an explicit voltage range.
- Lots of cleanups and API updates from Axel Lin.
- New driver for MAX8907.
* tag 'regulator-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (71 commits)
regulator: arizona-ldo: Remove top voltage
regulator: tps6586x: remove regulator-compatible from DT docs
regulator: tps65217.txt: remove regulator-compatible from DT docs
regulator: deprecate regulator-compatible DT property
regulator: fan53555: remove vsel_max not used
regulator: aat2870: Don't explicitly initialise the first field
extcon: arizona: Use bypass mode for MICVDD
regulator: wm831x-ldo: Add bypass support
regulator: arizona-micsupp: Support get/set bypass
regulator: arizona-ldo: Support get/set bypass
regulator: core: Provide regmap get/set bypass operations
regulator: core: Support bypass mode
regulator: Fairchild fan53555 support
regulator: twl: Remove another unused variable warning
regulator: core: Try using the parent device for the default regmap
regulator: core: Fast path non-deferred disables
regulator: core: Report microvolts in sysfs even with only list_voltage()
regulator: tps6586x: add support for SYS rail
regulator: lp872x: remove unnecessary function
regulator: lp872x: fix NULL pointer access problem
...
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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This include is no longer needed.
(seems to be a leftover from try_to_freeze())
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Tell signal_delivered() to do it instead.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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... just tell signal_delivered() to do it.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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signal_delivered() will do it in the same case...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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no need to have the call of do_notify_resume() + checks around it
duplicated for vm86 case - a bit of rearranging of ifdefs and we'll
have a perfectly fine copy to jump back to.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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we can get into work_pending only if at least one of NEED_RESCHED,
SIGPENDING or NOTIFY_RESUME is set. So once we'd found no NEED_RESCHED,
there's no need to check that one of the other two is set.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Only the three usual flags (NEED_RESCHED/SIGPENDING/NOTIFY_RESUME)
are looked at in the code checking _TIF_WORK_MASK on that one.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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entry.S code had been looping until no pending signals are left
since 2005 anyway; no need to bother with that in do_signal()
itself. If the failure to set a sigframe up raises SIGSEGV,
we'll just pick it up the next time around the loop(s) in entry.S
anyway.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Don't bother restoring r28 on syscall restarts; it's clobbered by
syscall anyway. Reuse (now unused) ->orig_r28 as "no restarts allowed"
flag.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Some architectures had blindly copied it for no reason whatsoever.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Make default just return 0. The current default (checking
TIF_POLLING_NRFLAG) is taken to architectures that need it;
ones that don't do polling in their idle threads don't need
to defined TIF_POLLING_NRFLAG at all.
ia64 defined both TS_POLLING (used by its tsk_is_polling())
and TIF_POLLING_NRFLAG (not used at all). Killed the latter...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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never used...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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bits 3..7 in flags are never set there, so this 0xff is pointless
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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If it's set, SIGPENDING is also set. And SIGPENDING is present in
the masks...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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No need to keep 4 copies of that stuff; merged and taken to
entry.S, unused public symbols there killed off.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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too late to do anything there...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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we *really* don't want to have restart logics hit when we are returning from
sigreturn() - random replacement of %r4 with -4 just because a signal had
been noticed from timer interrupt that came when %r4 happened to contain
-514 is not nice at all.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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asm glue checks that
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Besides the CPU and DDR PLLs, the CPU and DDR frequencies
can be derived from other PLLs in the SRIF block on the
AR934x SoCs. The current code does not checks if the SRIF
PLLs are used and this can lead to incorrectly calculated
CPU/DDR frequencies.
Fix it by calculating the frequencies from SRIF PLLs if
those are used on a given board.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: <stable@vger.kernel.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4324/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The current dividers in the code are wrong and this
leads to broken CPU frequency calculation on boards
where the fractional part is used.
For example, if the SoC is running from a 40MHz
reference clock, refdiv=1, nint=14, outdiv=0 and
nfrac=31 the real frequency is 579.375MHz but the
current code calculates 569.687MHz instead.
Because the system time is indirectly related to
the CPU frequency the broken computation causes
drift in the system time.
The correct divider is 2^6 for the CPU PLL and 2^10
for the DDR PLL. Use the correct values to fix the
issue.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: stable@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4305/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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While calculating the mac address the pointer for the current octet was
never reset back to the least significant one after being decremented
because of an octet overflow. This resulted in the code continuing to
increment at the current octet, potentially generating duplicate or
invalid mac addresses.
As a second issue the pointer was allowed to advance up to the most
significant octet, modifying the OUI, and potentially changing the type
of mac address.
Rewrite the code so it resets the pointer to the least significant
in each outer loop step, and bails out when the least significant octet
of the OUI is reached.
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: Maxime Bizon <mbizon@freebox.fr>
Cc: Florian Fainelli <florian@openwrt.org>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Patchwork: https://patchwork.linux-mips.org/patch/4348/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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b01da9f1 ("MIPS: Prune some target specific code out of prom.c") removed
the generic implementation of device_tree_init, breaking the kernel
build when manually selecting USE_OF.
Hide the config symbol so it can't be selected acidentially anymore.
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: David Daney <david.daney@cavium.com>
Patchwork: https://patchwork.linux-mips.org/patch/4346/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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