Commit Graph

655782 Commits

Author SHA1 Message Date
Mintz, Yuval
33b2fbd0a8 qed: Reflect PF link when initializing VF
VF learns of the current link state via its bulletin board,
which might reflect either the physical link state or some
user-configured logical state.
Whenever the physical link changes or whnever such a configuration
is explicitly made by user the PF driver would update the bulletin
that the VF reads. But if neither has happened - i.e., PF still
hasn't got a physical link up and no additional configuration was
done the VF wouldn't have a valid link information available.

Simply reflect the physical link state whenever the VF is
initialized. The user could then affect it however he wants.

Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:54 -05:00
Mintz, Yuval
885185dfc4 qede: Free netdevice only after stoping slowpath
qed needs to be informed of the removal of the qede interface
prior to its actual removal, as qede has some registered callbacks
that might get called async to the removal flow.

Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:54 -05:00
Mintz, Yuval
0e0b80a9a7 qede: Initialize lock and slowpath workqueue early
Need to make sure the slowpath workqueue and the qede lock
are ready for the registration of the netdevice, as once
registered there's no guarantee those wouldn't be used.

Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:54 -05:00
Ram Amrani
c2dedf8773 qed: Reserve doorbell BAR space for present CPUs
Reserving doorbell BAR space according to the currently active CPUs
may result in a bug if disabled CPUs are later enabled but no
doorbell space was reserved for them.

Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:54 -05:00
Ram Amrani
300c0d7c23 qed: Don't free a QP more than once
If QP is in reset state then there are no resources to free so avoid
freeing any.

Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:54 -05:00
Ram Amrani
c5212b943d qed: Read queue state before releasing buffer
Currently the state is read only after the buffers are relesed.

Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:54 -05:00
Ram Amrani
670dde55c6 qed: Release CQ resource under lock on failure
The CQ resource pool is protected by a spin lock. When a CQ creation
fails it now deallocates under that lock as well.

Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:54 -05:00
David S. Miller
8676ea8f3f Merge branch 'aquantia-next'
Pavel Belous says:

====================
net: ethernet: aquantia: improvements and fixes

The following patchset contains improvements and fixes for aQuantia
AQtion ethernet driver from net-next tree.

Most fixes are based on the comments from Lino Sanfilippo.

Sanity testing was performed on real HW. No regression found.

v1->v2: 1)Removed buffers copying.
	2)Fixed dma error handling.

v2->v3: 1)Fixes for aq_ndev_change_mtu:
	-Use core MTU checking for min_mtu.
	-Removed extra new_mtu assigment.
	2)Reverse XMAS tree in aq_ring_rx_fill.
v3->v4: 1)Use ndev->reg_state instead "is_ndev_registered" flag.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:11 -05:00
Pavel Belous
e399553d23 net: ethernet: aquantia: Copying tx buffers is not needed.
This fix removes copying of tx biffers.
Now we use ring->buff_fing directly.

Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:09 -05:00
Pavel Belous
89b643889b net: ethernet: aquantia: Fixed memory allocation if AQ_CFG_RX_FRAME_MAX > 1 page.
We should allocate the number of pages based on the config parameter
AQ_CFG_RX_FRAME_MAX.

Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:09 -05:00
Pavel Belous
c0788f7463 net: ethernet: aquantia: Fixed incorrect buff->len calculation.
rxd_wb->pkt_len is the total length of the packet.
If we received a large packet (with length > AQ_CFG_RX_FRAME_MAX) then we
will get multiple buffers. We need to fix the length of the last buffer.

Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:09 -05:00
Pavel Belous
55629109d9 net: ethernet: aquantia: Call netdev_register after all initialized.
netdev_register should be called when everything is initialized.
Also we should use net_device->reg_state field instead own
"is_ndev_registered" flag to avoid any race.

Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:09 -05:00
Pavel Belous
df9000ef96 net: ethernet: aquantia: Null pointer check for aq_nic_ndev_alloc.
We should check for a null pointer for aq_nic_ndev_alloc
instead netdev_priv.

Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:09 -05:00
Pavel Belous
b350d7b8b8 net: ethernet: aquantia: Using NETDEV_TX_OK instead 0.
Use NETDEV_TX_OK as the return value for successful transmission.

Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:09 -05:00
Pavel Belous
d5919aeba1 net: ethernet: aquantia: Fixed missing rtnl_unlock.
rtnl_unlock should be called if error occurred.

Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:09 -05:00
Pavel Belous
362f37b28b net: ethernet: aquantia: Superfluous initialization of "err".
Fixed superfluous initialization of err.

Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:09 -05:00
Pavel Belous
14861e9de2 net: ethernet: aquantia: Using module_pci_driver.
Remove boilerplate code by using macro module_pci_driver.

Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:09 -05:00
Pavel Belous
5513e16421 net: ethernet: aquantia: Fixes for aq_ndev_change_mtu
1)Removed unnecessary comparsion "old_mtu == new_mtu".
This check is not needed. Function aq_ndev_change_mtu wont be called
if mtu has not changed.

2)Removed extra assignment ndev->mtu = new_mtu;
This assignment already done inside __dev_set_mtu().

3)Use core MTU checking for min_mtu.

Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:09 -05:00
Pavel Belous
15e32a5e1e net: ethernet: aquantia: Removed busy_count field.
busy_count field and is_busy flag is not needed at all.

Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:09 -05:00
Pavel Belous
99e5582730 net: ethernet: aquantia: Removed extra assignment for skb->dev.
This assignment is not needed.

Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
Reviewed-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 17:11:09 -05:00
Linus Torvalds
292d386743 Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot updates from Ingo Molnar:
 "Misc updates:

   - fix e820 error handling

   - convert page table setup code from assembly to C

   - fix kexec environment bug

   - ... plus small cleanups"

* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/kconfig: Remove misleading note regarding hibernation and KASLR
  x86/boot: Fix KASLR and memmap= collision
  x86/e820/32: Fix e820_search_gap() error handling on x86-32
  x86/boot/32: Convert the 32-bit pgtable setup code from assembly to C
  x86/e820: Make e820_search_gap() static and remove unused variables
2017-02-20 14:04:37 -08:00
Linus Torvalds
4abaa800fd Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm update from Ingo Molnar:
 "This adds a new SYSRET testcase"

* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  selftests/x86: Add a selftest for SYSRET to noncanonical addresses
2017-02-20 14:03:03 -08:00
Linus Torvalds
4cee9fe53e Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 apic changes from Ingo Molnar:
 "The main changes in this cycle were:

   - Re-activate the hw IRQ resend mechanism that was downgraded to a
     sw-resend unintentionally. (Ruslan Ruslichenko)

   - Avoid sporadic spurious hrtimer interrupts (Frederic Weisbecker)"

[ Let's see if the io_apic retrigger ends up surviving this release, it
  got reverted last time because it found problems elsewhere  - Linus ]

* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/apic: Fix a typo in a comment line
  x86/ioapic: Restore IO-APIC irq_chip retrigger callback
  x86/apic: Implement set_state_oneshot_stopped() callback
  x86/apic: Fix typos in comments
2017-02-20 14:01:21 -08:00
Linus Torvalds
42e1b14b6e Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
 "The main changes in this cycle were:

   - Implement wraparound-safe refcount_t and kref_t types based on
     generic atomic primitives (Peter Zijlstra)

   - Improve and fix the ww_mutex code (Nicolai Hähnle)

   - Add self-tests to the ww_mutex code (Chris Wilson)

   - Optimize percpu-rwsems with the 'rcuwait' mechanism (Davidlohr
     Bueso)

   - Micro-optimize the current-task logic all around the core kernel
     (Davidlohr Bueso)

   - Tidy up after recent optimizations: remove stale code and APIs,
     clean up the code (Waiman Long)

   - ... plus misc fixes, updates and cleanups"

* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (50 commits)
  fork: Fix task_struct alignment
  locking/spinlock/debug: Remove spinlock lockup detection code
  lockdep: Fix incorrect condition to print bug msgs for MAX_LOCKDEP_CHAIN_HLOCKS
  lkdtm: Convert to refcount_t testing
  kref: Implement 'struct kref' using refcount_t
  refcount_t: Introduce a special purpose refcount type
  sched/wake_q: Clarify queue reinit comment
  sched/wait, rcuwait: Fix typo in comment
  locking/mutex: Fix lockdep_assert_held() fail
  locking/rtmutex: Flip unlikely() branch to likely() in __rt_mutex_slowlock()
  locking/rwsem: Reinit wake_q after use
  locking/rwsem: Remove unnecessary atomic_long_t casts
  jump_labels: Move header guard #endif down where it belongs
  locking/atomic, kref: Implement kref_put_lock()
  locking/ww_mutex: Turn off __must_check for now
  locking/atomic, kref: Avoid more abuse
  locking/atomic, kref: Use kref_get_unless_zero() more
  locking/atomic, kref: Kill kref_sub()
  locking/atomic, kref: Add kref_read()
  locking/atomic, kref: Add KREF_INIT()
  ...
2017-02-20 13:23:30 -08:00
Linus Torvalds
828cad8ea0 Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
 "The main changes in this (fairly busy) cycle were:

   - There was a class of scheduler bugs related to forgetting to update
     the rq-clock timestamp which can cause weird and hard to debug
     problems, so there's a new debug facility for this: which uncovered
     a whole lot of bugs which convinced us that we want to keep the
     debug facility.

     (Peter Zijlstra, Matt Fleming)

   - Various cputime related updates: eliminate cputime and use u64
     nanoseconds directly, simplify and improve the arch interfaces,
     implement delayed accounting more widely, etc. - (Frederic
     Weisbecker)

   - Move code around for better structure plus cleanups (Ingo Molnar)

   - Move IO schedule accounting deeper into the scheduler plus related
     changes to improve the situation (Tejun Heo)

   - ... plus a round of sched/rt and sched/deadline fixes, plus other
     fixes, updats and cleanups"

* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (85 commits)
  sched/core: Remove unlikely() annotation from sched_move_task()
  sched/autogroup: Rename auto_group.[ch] to autogroup.[ch]
  sched/topology: Split out scheduler topology code from core.c into topology.c
  sched/core: Remove unnecessary #include headers
  sched/rq_clock: Consolidate the ordering of the rq_clock methods
  delayacct: Include <uapi/linux/taskstats.h>
  sched/core: Clean up comments
  sched/rt: Show the 'sched_rr_timeslice' SCHED_RR timeslice tuning knob in milliseconds
  sched/clock: Add dummy clear_sched_clock_stable() stub function
  sched/cputime: Remove generic asm headers
  sched/cputime: Remove unused nsec_to_cputime()
  s390, sched/cputime: Remove unused cputime definitions
  powerpc, sched/cputime: Remove unused cputime definitions
  s390, sched/cputime: Make arch_cpu_idle_time() to return nsecs
  ia64, sched/cputime: Remove unused cputime definitions
  ia64: Convert vtime to use nsec units directly
  ia64, sched/cputime: Move the nsecs based cputime headers to the last arch using it
  sched/cputime: Remove jiffies based cputime
  sched/cputime, vtime: Return nsecs instead of cputime_t to account
  sched/cputime: Complete nsec conversion of tick based accounting
  ...
2017-02-20 12:52:55 -08:00
Linus Torvalds
60c906bab1 Merge branch 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS updates from Ingo Molnar:
 "The main changes in this cycle were:

  - Assign notifier chain priorities for all RAS related handlers to
    make the ordering explicit (Borislav Petkov)

  - Improve the AMD MCA banks sysfs output (Yazen Ghannam)

  - Various cleanups and restructuring of the x86 RAS code (Borislav
    Petkov)"

* 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/ras, EDAC, acpi: Assign MCE notifier handlers a priority
  x86/ras: Get rid of mce_process_work()
  EDAC/mce/amd: Dump TSC value
  EDAC/mce/amd: Unexport amd_decode_mce()
  x86/ras/amd/inj: Change dependency
  x86/ras: Flip the TSC-adding logic
  x86/ras/amd: Make sysfs names of banks more user-friendly
  x86/ras/therm_throt: Do not log a fake MCE for thermal events
  x86/ras/inject: Make it depend on X86_LOCAL_APIC=y
2017-02-20 12:47:44 -08:00
Theodore Ts'o
e9be2ac7c0 ext4: rename EXT4_IOC_GOINGDOWN to EXT4_IOC_SHUTDOWN
It's very likely the file system independent ioctl name will be
FS_IOC_SHUTDOWN, so let's use the same name for the ext4 ioctl name.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2017-02-20 15:34:59 -05:00
Linus Torvalds
7f4eb0a6d5 Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
 "On the kernel side the main changes in this cycle were:

   - Add Intel Kaby Lake CPU support (Srinivas Pandruvada)

   - AMD uncore driver updates for fam17 (Janakarajan Natarajan)

   - Intel/PT updates and core events optimizations and cleanups
     (Alexander Shishkin)

   - cgroups events fixes (David Carrillo-Cisneros)

   - kprobes improvements (Masami Hiramatsu)

   - ... plus misc fixes and updates.

  On the tooling side the main changes were:

   - Support clang build in tools/{perf,lib/{bpf,traceevent,api}} with
     CC=clang, to, for instance, take advantage of better warnings
     (Arnaldo Carvalho de Melo):

   - Introduce the 'delta-abs' 'perf diff' compute method, that orders
     the histogram entries by the absolute value of the percentage delta
     for a function in two perf.data files, i.e. the functions that
     changed the most (increase or decrease in samples) comes first
     (Namhyung Kim)

   - Add support for parsing Intel uncore vendor event files and add
     uncore vendor events for the Intel server processors (Haswell,
     Broadwell, IvyBridge), Xeon Phi (Knights Landing) and Broadwell DE
     (Andi Kleen)

   - Introduce 'perf ftrace' a perf front end to the kernel's ftrace
     function and function_graph tracer, defaulting to the
     "function_graph" tracer, more work will be done in reviving this
     effort, forward porting it from its initial patch submission
     (Namhyung Kim)

   - Add 'e' and 'c' hotkeys to expand/collapse call chains for a single
     hist entry in the 'perf report' and 'perf top' TUI (Jiri Olsa)

   - Account thread wait time (off CPU time) separately: sleep, iowait
     and preempt, based on the prev_state of the last event, show the
     breakdown when using "perf sched timehist --state" (Namhyumg Kim)

   - Add more triggers to switch the output file (perf.data.TIMESTAMP).

     Now, in addition to switching to a different output file when
     receiving a SIGUSR2, one can also specify file size and time based
     triggers:

           perf record -a --switch-output=signal

     is equivalent to what we had before:

           perf record -a --switch-output

     While we can also ask for the file to be "sliced" by size, taking
     into account that that will happen only when we get woken up by the
     kernel, i.e. one has to take into account the --mmap-pages (the
     size of the perf mmap ring buffer):

           perf record -a --switch-output=2G

     will break the perf.data output into multiple files limited to 2GB
     of samples, right when generating the output.

     For time based samples, alert() will be used, so to have 1 minute
     limited perf.data output files:

          perf record -a --switch-output=1m

     (Jiri Olsa)

   - Improve 'perf trace' (Arnaldo Carvalho de Melo)

   - 'perf kallsyms' toy tool to look for extended symbol information on
     the running kernel and demonstrate the machine/thread/symbol APIs
     for use in other tools, such as 'perf probe' (Arnaldo Carvalho de
     Melo)

   - ... plus tons of other changes, see the shortlog and Git log for
     details"

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (131 commits)
  perf tools: Add missing parse_events_error() prototype
  perf pmu: Fix check for unset alias->unit array
  perf tools: Be consistent on the type of map->symbols[] interator
  perf intel pt decoder: clang has no -Wno-override-init
  perf evsel: Do not put a variable sized type not at the end of a struct
  perf probe: Avoid accessing uninitialized 'map' variable
  perf tools: Do not put a variable sized type not at the end of a struct
  perf record: Do not put a variable sized type not at the end of a struct
  perf tests: Synthesize struct instead of using field after variable sized type
  perf bench numa: Make sure dprintf() is not defined
  Revert "perf bench futex: Sanitize numeric parameters"
  tools lib subcmd: Make it an error to pass a signed value to OPTION_UINTEGER
  tools: Set the maximum optimization level according to the compiler being used
  tools: Suppress request for warning options not existent in clang
  samples/bpf: Reset global variables
  samples/bpf: Ignore already processed ELF sections
  samples/bpf: Add missing header
  perf symbols: dso->name is an array, no need to check it against NULL
  perf tests record: No need to test an array against NULL
  perf symbols: No need to check if sym->name is NULL
  ...
2017-02-20 12:21:13 -08:00
Linus Torvalds
32e2d7c8af Merge branch 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI updates from Ingo Molnar:
 "The main changes in this cycle were:

   - Changes to the EFI init code to establish whether secure boot
     authentication was performed at boot time. (Josh Boyer, David
     Howells)

   - Wire up the UEFI memory attributes table for x86. This eliminates
     any runtime memory regions that are both writable and executable,
     on recent firmware versions. (Sai Praneeth)

   - Move the BGRT init code to an earlier stage so that we can still
     use efi_mem_reserve(). (Dave Young)

   - Preserve debug symbols in the ARM/arm64 UEFI stub (Ard Biesheuvel)

   - Code deduplication work and various other cleanups (Lukas Wunner)

   - ... plus various other fixes and cleanups"

* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  efi/libstub: Make file I/O chunking x86-specific
  efi: Print the secure boot status in x86 setup_arch()
  efi: Disable secure boot if shim is in insecure mode
  efi: Get and store the secure boot status
  efi: Add SHIM and image security database GUID definitions
  arm/efi: Allow invocation of arbitrary runtime services
  x86/efi: Allow invocation of arbitrary runtime services
  efi/libstub: Preserve .debug sections after absolute relocation check
  efi/x86: Add debug code to print cooked memmap
  efi/x86: Move the EFI BGRT init code to early init code
  efi: Use typed function pointers for the runtime services table
  efi/esrt: Fix typo in pr_err() message
  x86/efi: Add support for EFI_MEMORY_ATTRIBUTES_TABLE
  efi: Introduce the EFI_MEM_ATTR bit and set it from the memory attributes table
  efi: Make EFI_MEMORY_ATTRIBUTES_TABLE initialization common across all architectures
  x86/efi: Deduplicate efi_char16_printk()
  efi: Deduplicate efi_file_size() / _read() / _close()
2017-02-20 11:47:11 -08:00
Linus Torvalds
f7458a5d63 Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:
 "The RCU changes in this cycle are:

   - Dynticks updates, consolidating open-coded counter accesses into a
     well-defined API

   - SRCU updates: Simplify algorithm, add formal verification

   - Documentation updates

   - Miscellaneous fixes

   - Torture-test updates

  Most of the diffstat comes from the relatively large documentation
  update"

* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (42 commits)
  srcu: Reduce probability of SRCU ->unlock_count[] counter overflow
  rcutorture: Add CBMC-based formal verification for SRCU
  srcu: Force full grace-period ordering
  srcu: Implement more-efficient reader counts
  rcu: Adjust FQS offline checks for exact online-CPU detection
  rcu: Check cond_resched_rcu_qs() state less often to reduce GP overhead
  rcu: Abstract extended quiescent state determination
  rcu: Abstract dynticks extended quiescent state enter/exit operations
  rcu: Add lockdep checks to synchronous expedited primitives
  rcu: Eliminate unused expedited_normal counter
  llist: Clarify comments about when locking is needed
  rcu: Fix comment in rcu_organize_nocb_kthreads()
  rcu: Enable RCU tracepoints by default to aid in debugging
  rcu: Make rcu_cpu_starting() use its "cpu" argument
  rcu: Add comment headers to expedited-grace-period counter functions
  rcu: Don't wake rcuc/X kthreads on NOCB CPUs
  rcu: Re-enable TASKS_RCU for User Mode Linux
  rcu: Once again use NMI-based stack traces in stall warnings
  rcu: Remove short-term CPU kicking
  rcu: Add long-term CPU kicking
  ...
2017-02-20 11:21:17 -08:00
Linus Torvalds
575260e3f8 Merge branch 'core-debugobjects-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull debugobjects updates from Ingo Molnar:
 "A number of scalability improvements by Waimang Long"

* 'core-debugobjects-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  debugobjects: Improve variable naming
  debugobjects: Reduce contention on the global pool_lock
  debugobjects: Scale thresholds with # of CPUs
  debugobjects: Track number of kmem_cache_alloc/kmem_cache_free done
2017-02-20 11:19:09 -08:00
Linus Torvalds
1cd4027cfe Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
 "This update provides:

   - Yet another two irq controller chip drivers

   - A few updates and fixes for GICV3

   - A resource managed function for interrupt allocation

   - Fixes, updates and enhancements all over the place"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/qcom: Fix error handling
  genirq: Clarify logic calculating bogus irqreturn_t values
  genirq/msi: Add stubs for get_cached_msi_msg/pci_write_msi_msg
  genirq/devres: Use dev_name(dev) as default for devname
  genirq: Fix /proc/interrupts output alignment
  irqdesc: Add a resource managed version of irq_alloc_descs()
  irqchip/gic-v3-its: Zero command on allocation
  irqchip/gic-v3-its: Fix command buffer allocation
  irqchip/mips-gic: Fix local interrupts
  irqchip: Add a driver for Cortina Gemini
  irqchip: DT bindings for Cortina Gemini irqchip
  irqchip/gic-v3: Remove duplicate definition of GICD_TYPER_LPIS
  irqchip/gic-v3-its: Rename MAPVI to MAPTI
  irqchip/gic-v3-its: Drop deprecated GITS_BASER_TYPE_CPU
  irqchip/gic-v3-its: Refactor command encoding
  irqchip/gic-v3-its: Enable cacheable attribute Read-allocate hints
  irqchip/qcom: Add IRQ combiner driver
  ACPI: Add support for ResourceSource/IRQ domain mapping
  ACPI: Generic GSI: Do not attempt to map non-GSI IRQs during bus scan
  irq/platform-msi: Fix comment about maximal MSIs
2017-02-20 10:52:23 -08:00
Linus Torvalds
20dcfe1b7d Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
 "Nothing exciting, just the usual pile of fixes, updates and cleanups:

   - A bunch of clocksource driver updates

   - Removal of CONFIG_TIMER_STATS and the related /proc file

   - More posix timer slim down work

   - A scalability enhancement in the tick broadcast code

   - Math cleanups"

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
  hrtimer: Catch invalid clockids again
  math64, tile: Fix build failure
  clocksource/drivers/arm_arch_timer:: Mark cyclecounter __ro_after_init
  timerfd: Protect the might cancel mechanism proper
  timer_list: Remove useless cast when printing
  time: Remove CONFIG_TIMER_STATS
  clocksource/drivers/arm_arch_timer: Work around Hisilicon erratum 161010101
  clocksource/drivers/arm_arch_timer: Introduce generic errata handling infrastructure
  clocksource/drivers/arm_arch_timer: Remove fsl-a008585 parameter
  clocksource/drivers/arm_arch_timer: Add dt binding for hisilicon-161010101 erratum
  clocksource/drivers/ostm: Add renesas-ostm timer driver
  clocksource/drivers/ostm: Document renesas-ostm timer DT bindings
  clocksource/drivers/tcb_clksrc: Use 32 bit tcb as sched_clock
  clocksource/drivers/gemini: Add driver for the Cortina Gemini
  clocksource: add DT bindings for Cortina Gemini
  clockevents: Add a clkevt-of mechanism like clksrc-of
  tick/broadcast: Reduce lock cacheline contention
  timers: Omit POSIX timer stuff from task_struct when disabled
  x86/timer: Make delay() work during early bootup
  delay: Add explanation of udelay() inaccuracy
  ...
2017-02-20 10:06:32 -08:00
Linus Torvalds
c9b9f207b9 power supply and reset changes for the v4.11 series
* New drivers
  - sbs-charger driver
  - max14656_charger_detector
  - axp20x_ac_power
 * New chip/feature support
  - axp20x_usb_power: add AXP223 support
  - tps65217: add usb charger support
  - qcom_smbb: support otg regulator
  - at91-reset: add samx7 support
 * Dropped drivers
  - intel_mid_battery (platform was dropped)
 * Fixes
  - at91-poweroff: avoid wearing off LPDDR memory
  - replace deprecated extcon API
  - lots of cleanup and style fixes
  - misc. minor functionality fixes
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Merge tag 'for-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:
 "New drivers:
   - sbs-charger driver
   - max14656_charger_detector
   - axp20x_ac_power

  New chip/feature support"
   - axp20x_usb_power: add AXP223 support
   - tps65217: add usb charger support
   - qcom_smbb: support otg regulator
   - at91-reset: add samx7 support

  Dropped drivers:
   - intel_mid_battery (platform was dropped)

  Fixes:
   - at91-poweroff: avoid wearing off LPDDR memory
   - replace deprecated extcon API
   - lots of cleanup and style fixes
   - misc minor functionality fixes"

* tag 'for-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (84 commits)
  power: supply: add AC power supply driver for AXP20X and AXP22X PMICs
  dt-bindings: power: supply: add AXP20X/AXP22X AC power supply
  power: supply: axp20x_usb_power: use IIO channels when available
  power: supply: max14656: Export I2C and OF device ID as module aliases
  power: supply: bq2415x: check for NULL acpi_id to avoid null pointer dereference
  power: supply: bq24190_charger: Adjust formatting
  power: supply: bq24190_charger: Handle fault before status on interrupt
  power: supply: bq24190_charger: Don't read fault register outside irq_handle_thread()
  power: supply: bq24190_charger: Call power_supply_changed() for relevant component
  power: supply: bq24190_charger: Install irq_handler_thread() at end of probe()
  power: supply: bq24190_charger: Call set_mode_host() on pm_resume()
  power: supply: bq24190_charger: Fix irq trigger to IRQF_TRIGGER_FALLING
  power: supply: qcom_smbb: add regulator dependency
  power: reset: at91-reset: remove leftover platform_device_id
  power: reset: at91-reset: add samx7 support
  power: supply: max14656: fix platform_no_drv_owner.cocci warnings
  power: supply: pcf50633-charger: Compress return logic into one line.
  power: supply: ab8500_btemp: Compress return logic into one line.
  power: reset: at91-poweroff: timely shutdown LPDDR memories
  ARM: at91: define LPDDR types
  ...
2017-02-20 10:00:10 -08:00
Linus Torvalds
345fb0a9a6 * Make amd64_edac still load on a machine with unpopulated nodes + cleanups (Yazen Ghannam)
* Expose per-DIMM error counts in sysfs (Aaron Miller)
 
 * Add T2080 l2-cache support to mpc85xx (Chris Packham)
 
 * Random other small improvements/cleanups/fixlets
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Merge tag 'edac_for_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull EDAC updates from Borislav Petkov:

 - Make amd64_edac still load on a machine with unpopulated nodes +
   cleanups (Yazen Ghannam)

 - Expose per-DIMM error counts in sysfs (Aaron Miller)

 - Add T2080 l2-cache support to mpc85xx (Chris Packham)

 - Random other small improvements/cleanups/fixlets

* tag 'edac_for_4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  EDAC, mce_amd: Print IPID and Syndrome on a separate line
  EDAC, amd64: Bump driver version
  MAINTAINERS, EDAC: Update email for Thor Thayer
  EDAC, fsl_ddr: Make locally used symbols static
  EDAC, mpc85xx: Add T2080 l2-cache support
  EDAC, amd64: Add x86cpuid sanity check during init
  EDAC, amd64: Don't treat ECC disabled as failure
  EDAC: Add routine to check if MC devices list is empty
  EDAC, amd64: Remove unused printing macros
  EDAC, amd64: Rework messages in ecc_enabled()
  EDAC, amd64: Move global code out of instance functions
  EDAC, amd64: Free unused memory when init_one_instance() fails
  EDAC, mce_amd: Give more context to deferred error message
  EDAC, i7300: Test for the second channel properly
  EDAC, sb_edac: Get rid of ->show_interleave_mode()
  EDAC: Expose per-DIMM error counts in sysfs
  EDAC, amd64: Save and return err code from probe_one_instance()
  EDAC, i82975x: Add ioremap_nocache() error handling
  EDAC: Fix typos in enum mem_type comments
  EDAC: Make dev_attr_sdram_scrub_rate static
2017-02-20 09:54:46 -08:00
Linus Torvalds
507b500726 hwmon updates for v4.11
- new driver for stts751
 - it87: Added support for IT8622E and IT8792E; improved support for other chips
 - lm70: Added support for TMP122/124
 - use permission-specific DEVICE_ATTR variants where possible
 - fixed overflows in various drivers
 - minor improvements in various drivers
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Merge tag 'hwmon-for-linus-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:

 - new driver for stts751

 - it87: Added support for IT8622E and IT8792E; improved support for
   other chips

 - lm70: Added support for TMP122/124

 - use permission-specific DEVICE_ATTR variants where possible

 - fixed overflows in various drivers

 - minor improvements in various drivers

* tag 'hwmon-for-linus-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (95 commits)
  hwmon: (sht15) Add device tree support
  devicetree: add lm90 thermal_zone sensor support
  hwmon: (it87) Add support for IT8792E
  hwmon: (it87) Do not overwrite bit 2..6 of pwm control registers
  hwmon: (it87) Fix pwm4 detection for IT8620 and IT8628
  hwmon: (it87) Ensure that pwm control cache is current before updating values
  hwmon: (it87) Improve IT8622 support
  hwmon: (it87) Add support for IT8622E
  hwmon: (it87) Add feature flag indicating that VIN3 is connected to 5V
  DT: add binding documentation for STTS751
  hwmon: new driver for ST stts751 thermal sensor
  hwmon: Register thermal zone only if 'dev' parameter was provided
  hwmon: Relax name attribute validation for new APIs
  hwmon: Update documentation to clarify rules for the 'name' attribute
  hwmon: Make name attribute mandatory for new APIs
  hwmon: (lm70) Add support for TI TMP122/124
  hwmon: (lm70) Utilize dev_warn instead of pr_warn
  hwmon: (ltc4151) Export OF device ID table as module aliases
  hwmon: (adc128d818) Preserve operation mode
  hwmon: (adc128d818) Support operation modes 1-3
  ...
2017-02-20 09:52:08 -08:00
Linus Torvalds
ce1bf97965 MTD updates for 4.11:
General:
  - new kernel API for retrieving max bad blocks per die (not used yet)
  - track (and expose via sysfs) a partition's device tree node
  - support a "label" device tree property for naming an MTD
 
 NAND:
  - sunxi: avoid busy-waiting for NAND events
  - ifc: fix ECC handling on IFC v1.0
  - OX820: add explicit dependency on ARCH_OXNAS in Kconfig
  - core: add a new manufacture ID and fix a kernel-doc warning
  - fsmc: kill pdata support
  - lpc32xx_slc: remove unneeded NULL check
  - support dynamic "max bad blocks" detection via ONFI
 
 SPI NOR:
  - add support for the 4-byte address instruction set
  - add support for new memory parts
  - add support to S3AN memories
  - add support to the Intel SPI controller
  - add support to the Aspeed AST2400 and AST2550 controllers
  - support max SPI message sizes in m25p80_read()
  - fixes for the Candence and Freescale QSPI drivers
 
 Other:
  - add support for Gemini flash probing
  - bcm47xxsflash: add support for reading outside memory-mapped window
  - bcm47xxparts: extend to support multiple TRX partitions
  - misc fixes and typos
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Merge tag 'for-linus-20170212' of git://git.infradead.org/linux-mtd

Pull MTD updates from Brian Norris:
 "MTD updates for 4.11:

  General:
   - new kernel API for retrieving max bad blocks per die (not used yet)
   - track (and expose via sysfs) a partition's device tree node
   - support a "label" device tree property for naming an MTD

  NAND:
   - sunxi: avoid busy-waiting for NAND events
   - ifc: fix ECC handling on IFC v1.0
   - OX820: add explicit dependency on ARCH_OXNAS in Kconfig
   - core: add a new manufacture ID and fix a kernel-doc warning
   - fsmc: kill pdata support
   - lpc32xx_slc: remove unneeded NULL check
   - support dynamic "max bad blocks" detection via ONFI

  SPI NOR:
   - add support for the 4-byte address instruction set
   - add support for new memory parts
   - add support to S3AN memories
   - add support to the Intel SPI controller
   - add support to the Aspeed AST2400 and AST2550 controllers
   - support max SPI message sizes in m25p80_read()
   - fixes for the Candence and Freescale QSPI drivers

  Other:
   - add support for Gemini flash probing
   - bcm47xxsflash: add support for reading outside memory-mapped window
   - bcm47xxparts: extend to support multiple TRX partitions
   - misc fixes and typos

  Extra note: we've pulled in an MFD subtree from Lee Jones as a
  dependency for a new Intel SPI NOR driver"

[ Kudos to Brian for sending pull request a week early:

   "I refuse to acknowledge the existence of 4.10-rc8 and am therefore
    sending our MTD changes for 4.11 now"

  which is all good ]

* tag 'for-linus-20170212' of git://git.infradead.org/linux-mtd: (52 commits)
  mtd: aspeed: remove redundant dev_err call in aspeed_smc_probe()
  dt-bindings: mtd: add a common label property to all mtd devices
  mtd: name the mtd device with an optional label property
  mtd: physmap_of: fixup gemini/versatile dependencies
  mtd: spi-nor: cqspi: remove redundant dead code on error return check
  Documentation: mtk-quadspi: update DT bindings
  mtd: fsl-quadspi: Rename SEQID_QUAD_READ to SEQID_READ
  mtd:fsl-quadspi:use the property fields of SPI-NOR
  mtd: spi-nor: Add support for gd25q16
  mtd: spi-nor: Fix S3AN addressing calculation
  mtd: aspeed: fix compile warning in aspeed_smc_read_from_ahb()
  mtd: spi-nor: add dt support for Everspin MRAMs
  mtd: spi-nor: Add lock/unlock support for f25l32pa
  mtd: spi-nor: add a stateless method to support memory size above 128Mib
  mtd: spi-nor: rename SPINOR_OP_* macros of the 4-byte address op codes
  mtd: m25p80: consider max message size in m25p80_read
  mtd: spi-nor: bindings for the Aspeed memory controllers
  mtd: aspeed: add memory controllers for the Aspeed AST2400 SoC
  mtd: spi-nor: add memory controllers for the Aspeed AST2500 SoC
  mtd: spi-nor: remove WARN_ONCE() message in spi_nor_write()
  ...
2017-02-20 09:23:03 -08:00
Philippe Reynes
45ee2440a3 net: qlogic: qlge: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 11:22:19 -05:00
Philippe Reynes
49cef10ffa net: qlogic: qlcnic: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 11:22:19 -05:00
David S. Miller
e8846a5608 Merge branch 'nfp-next'
Jakub Kicinski says:

====================
nfp: expose more firmware and hw debug info

This series is mostly a result of flash firmware team requesting
access to some of the information and data necessary for debugging
firmware problems.  Patch 1 adds a missing error message.  Patch 2
prints manufacturing info to logs in case PCI VPD capability is
not programmed correctly.  Patches 3 and 4 allow reporting NSP ABI
version in ethtool -i.  Patch 5 allows dumping flash application
logs.

Patches 6 and 7 provides a way of application firmwares to declare
limited SR-IOV support.

v2: put some of the code in patch 7 in #ifdef CONFIG_PCI_SRIOV (Yuval).
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 11:18:50 -05:00
Jakub Kicinski
0bc3827f8c nfp: allow application firmware to limit number of SR-IOV VFs
Some application firmware projects may choose to limit the number
of VFs available below what is specified in PCI capability to be
able to reuse the PCIe interface resources.  There may also be
projects which use cases don't require SR-IOV support at all and
therefore don't want to spend time implementing/testing it.

Check nfd_vf_cfg_max_vfs firmware symbol to see if application
firmware is reporting how many VFs it supports.  This mechanism
is an opt-in, if symbol is not present we will only look at the
PCI capability values.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 11:18:49 -05:00
Jakub Kicinski
372d504575 nfp: return nfp_rtsym_read_le() errors correctly
nfp_rtsym_read_le() has an out parameter for error codes.
We have to use that instead of returning errors directly.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 11:18:49 -05:00
Jakub Kicinski
af623682ac nfp: add very basic access to NSP logs
Allow dumping "arm.diag" resource with ethtool -w.  This resource
should contain a text log of the NSP (control processor) application.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 11:18:49 -05:00
Jakub Kicinski
bd5ca062ba nfp: report NSP ABI version in ethtool FW version
ethtool_drvinfo->fw_version can cantain multiple FW strings.
We already report NFD ABI version there, add NSP ABI version
if available (i.e. on PF) with 'sp:' prefix.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 11:18:49 -05:00
Jakub Kicinski
368b1d1c49 nfp: store NSP ABI version in state structure
We read the status register on each NSP open, we can store the NSP
ABI version in the state structure so that we don't have to read
it again.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 11:18:49 -05:00
Jakub Kicinski
64db09ed1f nfp: report manufacturing info on load
Report card manufacturing information when driver loads.  These
identify the version of the board and its subcomponents.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 11:18:49 -05:00
Jakub Kicinski
a9c83f7bc7 nfp: refactor NSP initialization and add error message
When acquiring NSP communication resource fails user is left with
"probe failed with error -2" PCI code message but no info on what
caused the problem.  Some development boards may not have NSP FW
in the flash image.  Help users with a more verbouse message.

While at it move the whole NSP init to a separate function to keep
.probe() callback nice and simple.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 11:18:49 -05:00
David S. Miller
c1ceee5efe Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Johan Hedberg says:

====================
pull request: bluetooth-next 2017-02-19

Here's a set of Bluetooth patches for the 4.11 kernel:

 - New USB IDs to the btusb driver
 - Race fix in btmrvl driver
 - Added out-of-band wakeup support to the btusb driver
 - NULL dereference fix to bt_sock_recvmsg

Please let me know if there are any issues pulling. Thanks.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 11:15:11 -05:00
David Ahern
24045a03b8 net: mpls: Add support for netconf
Add netconf support to MPLS. Allows userpsace to learn and be notified
of changes to 'input' enable setting per interface.

Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Acked-by: Robert Shearman <rshearma@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 11:13:37 -05:00
Christophe Jaillet
766a957df9 qlcnic: Fix a memory leak in error handling path
If 'dma_alloc_coherent()' fails, we should release resources allocated so
far, just as done in all other cases in this function.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-20 10:33:38 -05:00