Commit Graph

491 Commits (9dcc5e8a4635d6a0b20273e3db21507ff02764ea)

Author SHA1 Message Date
Linus Torvalds 736a2dd257 Lots of virtio work which wasn't quite ready for last merge window. Plus
I dived into lguest again, reworking the pagetable code so we can move
 the switcher page: our fixmaps sometimes take more than 2MB now...
 
 Cheers,
 Rusty.
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Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull virtio & lguest updates from Rusty Russell:
 "Lots of virtio work which wasn't quite ready for last merge window.

  Plus I dived into lguest again, reworking the pagetable code so we can
  move the switcher page: our fixmaps sometimes take more than 2MB now..."

Ugh.  Annoying conflicts with the tcm_vhost -> vhost_scsi rename.
Hopefully correctly resolved.

* tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: (57 commits)
  caif_virtio: Remove bouncing email addresses
  lguest: improve code readability in lg_cpu_start.
  virtio-net: fill only rx queues which are being used
  lguest: map Switcher below fixmap.
  lguest: cache last cpu we ran on.
  lguest: map Switcher text whenever we allocate a new pagetable.
  lguest: don't share Switcher PTE pages between guests.
  lguest: expost switcher_pages array (as lg_switcher_pages).
  lguest: extract shadow PTE walking / allocating.
  lguest: make check_gpte et. al return bool.
  lguest: assume Switcher text is a single page.
  lguest: rename switcher_page to switcher_pages.
  lguest: remove RESERVE_MEM constant.
  lguest: check vaddr not pgd for Switcher protection.
  lguest: prepare to make SWITCHER_ADDR a variable.
  virtio: console: replace EMFILE with EBUSY for already-open port
  virtio-scsi: reset virtqueue affinity when doing cpu hotplug
  virtio-scsi: introduce multiqueue support
  virtio-scsi: push vq lock/unlock into virtscsi_vq_done
  virtio-scsi: pass struct virtio_scsi to virtqueue completion function
  ...
2013-05-02 14:14:04 -07:00
Linus Torvalds 0b2e3b6bb4 vfio updates for v3.10
Changes include extension to support PCI AER notification to userspace, byte granularity of PCI config space and access to unarchitected PCI config space, better protection around IOMMU driver accesses, default file mode fix, and a few misc cleanups.
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Merge tag 'vfio-for-v3.10' of git://github.com/awilliam/linux-vfio

Pull vfio updates from Alex Williamson:
 "Changes include extension to support PCI AER notification to
  userspace, byte granularity of PCI config space and access to
  unarchitected PCI config space, better protection around IOMMU driver
  accesses, default file mode fix, and a few misc cleanups."

* tag 'vfio-for-v3.10' of git://github.com/awilliam/linux-vfio:
  vfio: Set container device mode
  vfio: Use down_reads to protect iommu disconnects
  vfio: Convert container->group_lock to rwsem
  PCI/VFIO: use pcie_flags_reg instead of access PCI-E Capabilities Register
  vfio-pci: Enable raw access to unassigned config space
  vfio-pci: Use byte granularity in config map
  vfio: make local function vfio_pci_intx_unmask_handler() static
  VFIO-AER: Vfio-pci driver changes for supporting AER
  VFIO: Wrapper for getting reference to vfio_device
2013-05-02 14:02:32 -07:00
Linus Torvalds e958930041 vhost: cleanups and fixes for 3.10
Here are vhost cleanups and fixes by Asias He and myself.
 They affect both vhost-net and vhost-scsi devices.
 They also *depend* on both net-next and target-pending,
 where the net and target commits these changes depend on
 are already merged.
 So merging through the common vhost tree.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull vhost cleanups and fixes from Michael Tsirkin:
 "Here are vhost cleanups and fixes by Asias He and myself.  They affect
  both vhost-net and vhost-scsi devices.  They also *depend* on both
  net-next and target-pending, where the net and target commits these
  changes depend on are already merged.  So merging through the common
  vhost tree."

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
  vhost_scsi: module rename
  tcm_vhost: header split up
  vhost: src file renames
  vhost: fix error handling in RESET_OWNER ioctl
  tcm_vhost: remove virtio-net.h dependency
  vhost: move per-vq net specific fields out to net
  tcm_vhost: document inflight ref-counting use
  vhost: move vhost-net zerocopy fields to net.c
  tcm_vhost: Wait for pending requests in vhost_scsi_flush()
  vhost: Allow device specific fields per vq
2013-05-02 13:29:14 -07:00
Linus Torvalds 5a148af669 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc update from Benjamin Herrenschmidt:
 "The main highlights this time around are:

   - A pile of addition POWER8 bits and nits, such as updated
     performance counter support (Michael Ellerman), new branch history
     buffer support (Anshuman Khandual), base support for the new PCI
     host bridge when not using the hypervisor (Gavin Shan) and other
     random related bits and fixes from various contributors.

   - Some rework of our page table format by Aneesh Kumar which fixes a
     thing or two and paves the way for THP support.  THP itself will
     not make it this time around however.

   - More Freescale updates, including Altivec support on the new e6500
     cores, new PCI controller support, and a pile of new boards support
     and updates.

   - The usual batch of trivial cleanups & fixes"

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (156 commits)
  powerpc: Fix build error for book3e
  powerpc: Context switch the new EBB SPRs
  powerpc: Turn on the EBB H/FSCR bits
  powerpc: Replace CPU_FTR_BCTAR with CPU_FTR_ARCH_207S
  powerpc: Setup BHRB instructions facility in HFSCR for POWER8
  powerpc: Fix interrupt range check on debug exception
  powerpc: Update tlbie/tlbiel as per ISA doc
  powerpc: Print page size info during boot
  powerpc: print both base and actual page size on hash failure
  powerpc: Fix hpte_decode to use the correct decoding for page sizes
  powerpc: Decode the pte-lp-encoding bits correctly.
  powerpc: Use encode avpn where we need only avpn values
  powerpc: Reduce PTE table memory wastage
  powerpc: Move the pte free routines from common header
  powerpc: Reduce the PTE_INDEX_SIZE
  powerpc: Switch 16GB and 16MB explicit hugepages to a different page table format
  powerpc: New hugepage directory format
  powerpc: Don't truncate pgd_index wrongly
  powerpc: Don't hard code the size of pte page
  powerpc: Save DAR and DSISR in pt_regs on MCE
  ...
2013-05-02 10:16:16 -07:00
Michael S. Tsirkin 5012a3a384 tcm_vhost: header split up
move uapi parts to vhost.h
move .c private parts to .c itself

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Asias He <asias@redhat.com>
Acked-by: Nicholas Bellinger <nab@linux-iscsi.org>
2013-05-02 13:40:15 +03:00
Linus Torvalds 73287a43cc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
 "Highlights (1721 non-merge commits, this has to be a record of some
  sort):

   1) Add 'random' mode to team driver, from Jiri Pirko and Eric
      Dumazet.

   2) Make it so that any driver that supports configuration of multiple
      MAC addresses can provide the forwarding database add and del
      calls by providing a default implementation and hooking that up if
      the driver doesn't have an explicit set of handlers.  From Vlad
      Yasevich.

   3) Support GSO segmentation over tunnels and other encapsulating
      devices such as VXLAN, from Pravin B Shelar.

   4) Support L2 GRE tunnels in the flow dissector, from Michael Dalton.

   5) Implement Tail Loss Probe (TLP) detection in TCP, from Nandita
      Dukkipati.

   6) In the PHY layer, allow supporting wake-on-lan in situations where
      the PHY registers have to be written for it to be configured.

      Use it to support wake-on-lan in mv643xx_eth.

      From Michael Stapelberg.

   7) Significantly improve firewire IPV6 support, from YOSHIFUJI
      Hideaki.

   8) Allow multiple packets to be sent in a single transmission using
      network coding in batman-adv, from Martin Hundebøll.

   9) Add support for T5 cxgb4 chips, from Santosh Rastapur.

  10) Generalize the VXLAN forwarding tables so that there is more
      flexibility in configurating various aspects of the endpoints.
      From David Stevens.

  11) Support RSS and TSO in hardware over GRE tunnels in bxn2x driver,
      from Dmitry Kravkov.

  12) Zero copy support in nfnelink_queue, from Eric Dumazet and Pablo
      Neira Ayuso.

  13) Start adding networking selftests.

  14) In situations of overload on the same AF_PACKET fanout socket, or
      per-cpu packet receive queue, minimize drop by distributing the
      load to other cpus/fanouts.  From Willem de Bruijn and Eric
      Dumazet.

  15) Add support for new payload offset BPF instruction, from Daniel
      Borkmann.

  16) Convert several drivers over to mdoule_platform_driver(), from
      Sachin Kamat.

  17) Provide a minimal BPF JIT image disassembler userspace tool, from
      Daniel Borkmann.

  18) Rewrite F-RTO implementation in TCP to match the final
      specification of it in RFC4138 and RFC5682.  From Yuchung Cheng.

  19) Provide netlink socket diag of netlink sockets ("Yo dawg, I hear
      you like netlink, so I implemented netlink dumping of netlink
      sockets.") From Andrey Vagin.

  20) Remove ugly passing of rtnetlink attributes into rtnl_doit
      functions, from Thomas Graf.

  21) Allow userspace to be able to see if a configuration change occurs
      in the middle of an address or device list dump, from Nicolas
      Dichtel.

  22) Support RFC3168 ECN protection for ipv6 fragments, from Hannes
      Frederic Sowa.

  23) Increase accuracy of packet length used by packet scheduler, from
      Jason Wang.

  24) Beginning set of changes to make ipv4/ipv6 fragment handling more
      scalable and less susceptible to overload and locking contention,
      from Jesper Dangaard Brouer.

  25) Get rid of using non-type-safe NLMSG_* macros and use nlmsg_*()
      instead.  From Hong Zhiguo.

  26) Optimize route usage in IPVS by avoiding reference counting where
      possible, from Julian Anastasov.

  27) Convert IPVS schedulers to RCU, also from Julian Anastasov.

  28) Support cpu fanouts in xt_NFQUEUE netfilter target, from Holger
      Eitzenberger.

  29) Network namespace support for nf_log, ebt_log, xt_LOG, ipt_ULOG,
      nfnetlink_log, and nfnetlink_queue.  From Gao feng.

  30) Implement RFC3168 ECN protection, from Hannes Frederic Sowa.

  31) Support several new r8169 chips, from Hayes Wang.

  32) Support tokenized interface identifiers in ipv6, from Daniel
      Borkmann.

  33) Use usbnet_link_change() helper in USB net driver, from Ming Lei.

  34) Add 802.1ad vlan offload support, from Patrick McHardy.

  35) Support mmap() based netlink communication, also from Patrick
      McHardy.

  36) Support HW timestamping in mlx4 driver, from Amir Vadai.

  37) Rationalize AF_PACKET packet timestamping when transmitting, from
      Willem de Bruijn and Daniel Borkmann.

  38) Bring parity to what's provided by /proc/net/packet socket dumping
      and the info provided by netlink socket dumping of AF_PACKET
      sockets.  From Nicolas Dichtel.

  39) Fix peeking beyond zero sized SKBs in AF_UNIX, from Benjamin
      Poirier"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1722 commits)
  filter: fix va_list build error
  af_unix: fix a fatal race with bit fields
  bnx2x: Prevent memory leak when cnic is absent
  bnx2x: correct reading of speed capabilities
  net: sctp: attribute printl with __printf for gcc fmt checks
  netlink: kconfig: move mmap i/o into netlink kconfig
  netpoll: convert mutex into a semaphore
  netlink: Fix skb ref counting.
  net_sched: act_ipt forward compat with xtables
  mlx4_en: fix a build error on 32bit arches
  Revert "bnx2x: allow nvram test to run when device is down"
  bridge: avoid OOPS if root port not found
  drivers: net: cpsw: fix kernel warn on cpsw irq enable
  sh_eth: use random MAC address if no valid one supplied
  3c509.c: call SET_NETDEV_DEV for all device types (ISA/ISAPnP/EISA)
  tg3: fix to append hardware time stamping flags
  unix/stream: fix peeking with an offset larger than data in queue
  unix/dgram: fix peeking with an offset larger than data in queue
  unix/dgram: peek beyond 0-sized skbs
  openvswitch: Remove unneeded ovs_netdev_get_ifindex()
  ...
2013-05-01 14:08:52 -07:00
Linus Torvalds 251df49db3 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
 "Assorted fixes and cleanups to the existing drivers plus a new driver
  for IMS Passenger Control Unit device they use for ther in-flight
  entertainment system."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (44 commits)
  Input: trackpoint - Optimize trackpoint init to use power-on reset
  Input: apbps2 - convert to devm_ioremap_resource()
  Input: ALPS - use %ph to print buffers
  ARM - shmobile: Armadillo800EVA: Move st1232 reset pin handling
  Input: st1232 - add reset pin handling
  Input: st1232 - convert to devm_* infrastructure
  Input: MT - handle semi-mt devices in core
  Input: adxl34x - use spi_get_drvdata()
  Input: ad7877 - use spi_get_drvdata() and spi_set_drvdata()
  Input: ads7846 - use spi_get_drvdata() and spi_set_drvdata()
  Input: ims-pcu - fix a memory leak on error
  Input: sysrq - supplement reset sequence with timeout functionality
  Input: tegra-kbc - support for defining row/columns based on SoC
  Input: imx_keypad - switch to using managed resources
  Input: arc_ps2 - add support for device tree
  Input: mma8450 - fix signed 12bits to 32bits conversion
  Input: eeti_ts - remove redundant null check
  Input: edt-ft5x06 - remove redundant null check before kfree
  Input: ad714x - add CONFIG_PM_SLEEP to suspend/resume functions
  Input: adxl34x - add CONFIG_PM_SLEEP to suspend/resume functions
  ...
2013-05-01 13:20:04 -07:00
Linus Torvalds 5f56886521 Merge branch 'akpm' (incoming from Andrew)
Merge third batch of fixes from Andrew Morton:
 "Most of the rest.  I still have two large patchsets against AIO and
  IPC, but they're a bit stuck behind other trees and I'm about to
  vanish for six days.

   - random fixlets
   - inotify
   - more of the MM queue
   - show_stack() cleanups
   - DMI update
   - kthread/workqueue things
   - compat cleanups
   - epoll udpates
   - binfmt updates
   - nilfs2
   - hfs
   - hfsplus
   - ptrace
   - kmod
   - coredump
   - kexec
   - rbtree
   - pids
   - pidns
   - pps
   - semaphore tweaks
   - some w1 patches
   - relay updates
   - core Kconfig changes
   - sysrq tweaks"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (109 commits)
  Documentation/sysrq: fix inconstistent help message of sysrq key
  ethernet/emac/sysrq: fix inconstistent help message of sysrq key
  sparc/sysrq: fix inconstistent help message of sysrq key
  powerpc/xmon/sysrq: fix inconstistent help message of sysrq key
  ARM/etm/sysrq: fix inconstistent help message of sysrq key
  power/sysrq: fix inconstistent help message of sysrq key
  kgdb/sysrq: fix inconstistent help message of sysrq key
  lib/decompress.c: fix initconst
  notifier-error-inject: fix module names in Kconfig
  kernel/sys.c: make prctl(PR_SET_MM) generally available
  UAPI: remove empty Kbuild files
  menuconfig: print more info for symbol without prompts
  init/Kconfig: re-order CONFIG_EXPERT options to fix menuconfig display
  kconfig menu: move Virtualization drivers near other virtualization options
  Kconfig: consolidate CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
  relay: use macro PAGE_ALIGN instead of FIX_SIZE
  kernel/relay.c: move FIX_SIZE macro into relay.c
  kernel/relay.c: remove unused function argument actor
  drivers/w1/slaves/w1_ds2760.c: fix the error handling in w1_ds2760_add_slave()
  drivers/w1/slaves/w1_ds2781.c: fix the error handling in w1_ds2781_add_slave()
  ...
2013-04-30 17:37:43 -07:00
Andrey Vagin 84c751bd4a ptrace: add ability to retrieve signals without removing from a queue (v4)
This patch adds a new ptrace request PTRACE_PEEKSIGINFO.

This request is used to retrieve information about pending signals
starting with the specified sequence number.  Siginfo_t structures are
copied from the child into the buffer starting at "data".

The argument "addr" is a pointer to struct ptrace_peeksiginfo_args.
struct ptrace_peeksiginfo_args {
	u64 off;	/* from which siginfo to start */
	u32 flags;
	s32 nr;		/* how may siginfos to take */
};

"nr" has type "s32", because ptrace() returns "long", which has 32 bits on
i386 and a negative values is used for errors.

Currently here is only one flag PTRACE_PEEKSIGINFO_SHARED for dumping
signals from process-wide queue.  If this flag is not set, signals are
read from a per-thread queue.

The request PTRACE_PEEKSIGINFO returns a number of dumped signals.  If a
signal with the specified sequence number doesn't exist, ptrace returns
zero.  The request returns an error, if no signal has been dumped.

Errors:
EINVAL - one or more specified flags are not supported or nr is negative
EFAULT - buf or addr is outside your accessible address space.

A result siginfo contains a kernel part of si_code which usually striped,
but it's required for queuing the same siginfo back during restore of
pending signals.

This functionality is required for checkpointing pending signals.  Pedro
Alves suggested using it in "gdb" to peek at pending signals.  gdb already
uses PTRACE_GETSIGINFO to get the siginfo for the signal which was already
dequeued.  This functionality allows gdb to look at the pending signals
which were not reported yet.

The prototype of this code was developed by Oleg Nesterov.

Signed-off-by: Andrew Vagin <avagin@openvz.org>
Cc: Roland McGrath <roland@redhat.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Dave Jones <davej@redhat.com>
Cc: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Pedro Alves <palves@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-30 17:04:05 -07:00
Linus Torvalds 2e1deaad1e Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem update from James Morris:
 "Just some minor updates across the subsystem"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  ima: eliminate passing d_name.name to process_measurement()
  TPM: Retry SaveState command in suspend path
  tpm/tpm_i2c_infineon: Add small comment about return value of __i2c_transfer
  tpm/tpm_i2c_infineon.c: Add OF attributes type and name to the of_device_id table entries
  tpm_i2c_stm_st33: Remove duplicate inclusion of header files
  tpm: Add support for new Infineon I2C TPM (SLB 9645 TT 1.2 I2C)
  char/tpm: Convert struct i2c_msg initialization to C99 format
  drivers/char/tpm/tpm_ppi: use strlcpy instead of strncpy
  tpm/tpm_i2c_stm_st33: formatting and white space changes
  Smack: include magic.h in smackfs.c
  selinux: make security_sb_clone_mnt_opts return an error on context mismatch
  seccomp: allow BPF_XOR based ALU instructions.
  Fix NULL pointer dereference in smack_inode_unlink() and smack_inode_rmdir()
  Smack: add support for modification of existing rules
  smack: SMACK_MAGIC to include/uapi/linux/magic.h
  Smack: add missing support for transmute bit in smack_str_from_perm()
  Smack: prevent revoke-subject from failing when unseen label is written to it
  tomoyo: use DEFINE_SRCU() to define tomoyo_ss
  tomoyo: use DEFINE_SRCU() to define tomoyo_ss
2013-04-30 16:27:51 -07:00
Linus Torvalds 87c1f0f8c9 Misc arch/metag changes for v3.10-rc1
- Various fixes for the interrupting perf counter handling in metag's
    perf backend.
  - Add OProfile support based on perf.
  - Sets up cache partitions for SMP so bootloader doesn't have to.
  - Patch from Paul Bolle to remove ARCH_POPULATES_NODE_MAP again
    (touches microblaze too).
  - Add TLS pointer regset to metag ptrace api.
  - Add exported metag DSP extended context handling header <asm/ech.h>.
  - Increase defconfig log buffer size to 128KiB.
  - Various fixes, typos, missing exports.
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Merge tag 'metag-for-v3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag

Pull arch/metag update from James Hogan:

 - Various fixes for the interrupting perf counter handling in metag's
   perf backend.

 - Add OProfile support based on perf.

 - Sets up cache partitions for SMP so bootloader doesn't have to.

 - Patch from Paul Bolle to remove ARCH_POPULATES_NODE_MAP again
   (touches microblaze too).

 - Add TLS pointer regset to metag ptrace api.

 - Add exported metag DSP extended context handling header <asm/ech.h>.

 - Increase defconfig log buffer size to 128KiB.

 - Various fixes, typos, missing exports.

* tag 'metag-for-v3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag:
  metag: defconfigs: increase log buffer 8KiB => 128KiB
  metag: avoid unnecessary builtin dtb rebuilds
  metag: add exported <asm/ech.h> for extended context handling
  metag: export _metag_da_present and cpu_2_hwthread_id
  metag: ptrace: Implement NT_METAG_TLS
  memblock: Kill ARCH_POPULATES_NODE_MAP once more
  metag: cachepart: fix get_global_dcache_size() typo
  metag: cachepart: take into account small cache bits
  metag: smp: copy cache partition and enable GCOn
  metag: OProfile support
  metag: perf: prepare for use by oprofile
  metag: perf: don't reset TXTACTCYC
  metag: perf: use hard_processor_id() to get thread
  metag: perf: fix frequency sampling (dynamic period)
  metag: perf: add missing prev_count updates
  metag: perf: fixes for interrupting perf counters
  metag: perf: fix wrap handling in delta calculation
  metag: perf: fix core internal / perf channel mux
2013-04-30 10:09:39 -07:00
Linus Torvalds 240c3c3424 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media update from Mauro Carvalho Chehab:

 - OF documentation and patches at core and drivers, to be used by for
   embedded media systems

 - some I2C drivers used on go7007 were rewritten/promoted from staging:
   sony-btf-mpx, tw2804, tw9903, tw9906, wis-ov7640, wis-uda1342

 - add fimc-is driver (Exynos)

 - add a new radio driver: radio-si476x

 - add a two new tuners: r820t and tuner_it913x

 - split camera code on em28xx driver and add more models

 - the cypress firmware load is used outside dvb usb drivers.  So, move
   it to a common directory to make easier to re-use it

 - siano media driver updated to work with sms2270 devices

 - several work done in order to promote go7007 and solo6x1x out of
   staging (still, there are some pending issues)

 - several API compliance fixes at v4l2 drivers that don't behave as
   expected

 - as usual, lots of driver fixes, improvements, cleanups and new device
   addition at the existing drivers.

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (831 commits)
  [media] cx88: make core less verbose
  [media] em28xx: fix oops at em28xx_dvb_bus_ctrl()
  [media] s5c73m3: fix indentation of the help section in Kconfig
  [media] cx25821-alsa: get rid of a __must_check warning
  [media] cx25821-video: declare cx25821_vidioc_s_std as static
  [media] cx25821-video: remove maxw from cx25821_vidioc_try_fmt_vid_cap
  [media] r820t: Remove a warning for an unused value
  [media] dib0090: Fix a warning at dib0090_set_EFUSE
  [media] dib8000: fix a warning
  [media] dib8000: Fix sub-channel range
  [media] dib8000: store dtv_property_cache in a temp var
  [media] dib8000: warning fix: declare internal functions as static
  [media] r820t: quiet gcc warning on n_ring
  [media] r820t: memory leak in release()
  [media] r820t: precendence bug in r820t_xtal_check()
  [media] videodev2.h: Remove the unused old V4L1 buffer types
  [media] anysee: Grammar s/report the/report to/
  [media] anysee: Initialize ret = 0 in anysee_frontend_attach()
  [media] media: videobuf2: fix the length check for mmap
  [media] em28xx: save isoc endpoint number for DVB only if endpoint has alt settings with xMaxPacketSize != 0
  ...
2013-04-30 09:58:16 -07:00
Linus Torvalds ab86e974f0 Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core timer updates from Ingo Molnar:
 "The main changes in this cycle's merge are:

   - Implement shadow timekeeper to shorten in kernel reader side
     blocking, by Thomas Gleixner.

   - Posix timers enhancements by Pavel Emelyanov:

   - allocate timer ID per process, so that exact timer ID allocations
     can be re-created be checkpoint/restore code.

   - debuggability and tooling (/proc/PID/timers, etc.) improvements.

   - suspend/resume enhancements by Feng Tang: on certain new Intel Atom
     processors (Penwell and Cloverview), there is a feature that the
     TSC won't stop in S3 state, so the TSC value won't be reset to 0
     after resume.  This can be taken advantage of by the generic via
     the CLOCK_SOURCE_SUSPEND_NONSTOP flag: instead of using the RTC to
     recover/approximate sleep time, the main (and precise) clocksource
     can be used.

   - Fix /proc/timer_list for 4096 CPUs by Nathan Zimmer: on so many
     CPUs the file goes beyond 4MB of size and thus the current
     simplistic seqfile approach fails.  Convert /proc/timer_list to a
     proper seq_file with its own iterator.

   - Cleanups and refactorings of the core timekeeping code by John
     Stultz.

   - International Atomic Clock time is managed by the NTP code
     internally currently but not exposed externally.  Separate the TAI
     code out and add CLOCK_TAI support and TAI support to the hrtimer
     and posix-timer code, by John Stultz.

   - Add deep idle support enhacement to the broadcast clockevents core
     timer code, by Daniel Lezcano: add an opt-in CLOCK_EVT_FEAT_DYNIRQ
     clockevents feature (which will be utilized by future clockevents
     driver updates), which allows the use of IRQ affinities to avoid
     spurious wakeups of idle CPUs - the right CPU with an expiring
     timer will be woken.

   - Add new ARM bcm281xx clocksource driver, by Christian Daudt

   - ... various other fixes and cleanups"

* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (52 commits)
  clockevents: Set dummy handler on CPU_DEAD shutdown
  timekeeping: Update tk->cycle_last in resume
  posix-timers: Remove unused variable
  clockevents: Switch into oneshot mode even if broadcast registered late
  timer_list: Convert timer list to be a proper seq_file
  timer_list: Split timer_list_show_tickdevices
  posix-timers: Show sigevent info in proc file
  posix-timers: Introduce /proc/PID/timers file
  posix timers: Allocate timer id per process (v2)
  timekeeping: Make sure to notify hrtimers when TAI offset changes
  hrtimer: Fix ktime_add_ns() overflow on 32bit architectures
  hrtimer: Add expiry time overflow check in hrtimer_interrupt
  timekeeping: Shorten seq_count region
  timekeeping: Implement a shadow timekeeper
  timekeeping: Delay update of clock->cycle_last
  timekeeping: Store cycle_last value in timekeeper struct as well
  ntp: Remove ntp_lock, using the timekeeping locks to protect ntp state
  timekeeping: Simplify tai updating from do_adjtimex
  timekeeping: Hold timekeepering locks in do_adjtimex and hardpps
  timekeeping: Move ADJ_SETOFFSET to top level do_adjtimex()
  ...
2013-04-30 08:15:40 -07:00
Linus Torvalds e0972916e8 Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
 "Features:

   - Add "uretprobes" - an optimization to uprobes, like kretprobes are
     an optimization to kprobes.  "perf probe -x file sym%return" now
     works like kretprobes.  By Oleg Nesterov.

   - Introduce per core aggregation in 'perf stat', from Stephane
     Eranian.

   - Add memory profiling via PEBS, from Stephane Eranian.

   - Event group view for 'annotate' in --stdio, --tui and --gtk, from
     Namhyung Kim.

   - Add support for AMD NB and L2I "uncore" counters, by Jacob Shin.

   - Add Ivy Bridge-EP uncore support, by Zheng Yan

   - IBM zEnterprise EC12 oprofile support patchlet from Robert Richter.

   - Add perf test entries for checking breakpoint overflow signal
     handler issues, from Jiri Olsa.

   - Add perf test entry for for checking number of EXIT events, from
     Namhyung Kim.

   - Add perf test entries for checking --cpu in record and stat, from
     Jiri Olsa.

   - Introduce perf stat --repeat forever, from Frederik Deweerdt.

   - Add --no-demangle to report/top, from Namhyung Kim.

   - PowerPC fixes plus a couple of cleanups/optimizations in uprobes
     and trace_uprobes, by Oleg Nesterov.

  Various fixes and refactorings:

   - Fix dependency of the python binding wrt libtraceevent, from
     Naohiro Aota.

   - Simplify some perf_evlist methods and to allow 'stat' to share code
     with 'record' and 'trace', by Arnaldo Carvalho de Melo.

   - Remove dead code in related to libtraceevent integration, from
     Namhyung Kim.

   - Revert "perf sched: Handle PERF_RECORD_EXIT events" to get 'perf
     sched lat' back working, by Arnaldo Carvalho de Melo

   - We don't use Newt anymore, just plain libslang, by Arnaldo Carvalho
     de Melo.

   - Kill a bunch of die() calls, from Namhyung Kim.

   - Fix build on non-glibc systems due to libio.h absence, from Cody P
     Schafer.

   - Remove some perf_session and tracing dead code, from David Ahern.

   - Honor parallel jobs, fix from Borislav Petkov

   - Introduce tools/lib/lk library, initially just removing duplication
     among tools/perf and tools/vm.  from Borislav Petkov

  ... and many more I missed to list, see the shortlog and git log for
  more details."

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (136 commits)
  perf/x86/intel/P4: Robistify P4 PMU types
  perf/x86/amd: Fix AMD NB and L2I "uncore" support
  perf/x86/amd: Remove old-style NB counter support from perf_event_amd.c
  perf/x86: Check all MSRs before passing hw check
  perf/x86/amd: Add support for AMD NB and L2I "uncore" counters
  perf/x86/intel: Add Ivy Bridge-EP uncore support
  perf/x86/intel: Fix SNB-EP CBO and PCU uncore PMU filter management
  perf/x86: Avoid kfree() in CPU_{STARTING,DYING}
  uprobes/perf: Avoid perf_trace_buf_prepare/submit if ->perf_events is empty
  uprobes/tracing: Don't pass addr=ip to perf_trace_buf_submit()
  uprobes/tracing: Change create_trace_uprobe() to support uretprobes
  uprobes/tracing: Make seq_printf() code uretprobe-friendly
  uprobes/tracing: Make register_uprobe_event() paths uretprobe-friendly
  uprobes/tracing: Make uprobe_{trace,perf}_print() uretprobe-friendly
  uprobes/tracing: Introduce is_ret_probe() and uretprobe_dispatcher()
  uprobes/tracing: Introduce uprobe_{trace,perf}_print() helpers
  uprobes/tracing: Generalize struct uprobe_trace_entry_head
  uprobes/tracing: Kill the pointless local_save_flags/preempt_count calls
  uprobes/tracing: Kill the pointless seq_print_ip_sym() call
  uprobes/tracing: Kill the pointless task_pt_regs() calls
  ...
2013-04-30 07:41:01 -07:00
Mauro Carvalho Chehab df90e22589 Merge branch 'devel-for-v3.10' into v4l_for_linus
* patchwork: (831 commits)
  [media] cx88: make core less verbose
  [media] em28xx: fix oops at em28xx_dvb_bus_ctrl()
  [media] s5c73m3: fix indentation of the help section in Kconfig
  [media] cx25821-alsa: get rid of a __must_check warning
  [media] cx25821-video: declare cx25821_vidioc_s_std as static
  [media] cx25821-video: remove maxw from cx25821_vidioc_try_fmt_vid_cap
  [media] r820t: Remove a warning for an unused value
  [media] dib0090: Fix a warning at dib0090_set_EFUSE
  [media] dib8000: fix a warning
  [media] dib8000: Fix sub-channel range
  [media] dib8000: store dtv_property_cache in a temp var
  [media] dib8000: warning fix: declare internal functions as static
  [media] r820t: quiet gcc warning on n_ring
  [media] r820t: memory leak in release()
  [media] r820t: precendence bug in r820t_xtal_check()
  [media] videodev2.h: Remove the unused old V4L1 buffer types
  [media] anysee: Grammar s/report the/report to/
  [media] anysee: Initialize ret = 0 in anysee_frontend_attach()
  [media] media: videobuf2: fix the length check for mmap
  [media] em28xx: save isoc endpoint number for DVB only if endpoint has alt settings with xMaxPacketSize != 0
  ...

Conflicts:
	drivers/media/pci/cx25821/cx25821-video.c
	drivers/media/platform/Kconfig
2013-04-30 09:01:04 -03:00
Darrick J. Wong 7136851117 mm: make snapshotting pages for stable writes a per-bio operation
Walking a bio's page mappings has proved problematic, so create a new
bio flag to indicate that a bio's data needs to be snapshotted in order
to guarantee stable pages during writeback.  Next, for the one user
(ext3/jbd) of snapshotting, hook all the places where writes can be
initiated without PG_writeback set, and set BIO_SNAP_STABLE there.

We must also flag journal "metadata" bios for stable writeout, since
file data can be written through the journal.  Finally, the
MS_SNAP_STABLE mount flag (only used by ext3) is now superfluous, so get
rid of it.

[akpm@linux-foundation.org: rename _submit_bh()'s `flags' to `bio_flags', delobotomize the _submit_bh declaration]
[akpm@linux-foundation.org: teeny cleanup]
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Artem Bityutskiy <dedekind1@gmail.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-29 15:54:33 -07:00
Linus Torvalds ec25e246b9 USB patches for 3.10-rc1
Here's the big USB pull request for 3.10-rc1.
 
 Lots of USB patches here, the majority being USB gadget changes and
 USB-serial driver cleanups, the rest being ARM build fixes / cleanups,
 and individual driver updates.  We also finally got some chipidea fixes,
 which have been delayed for a number of kernel releases, as the
 maintainer has now reappeared.
 
 All of these have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB patches from Greg Kroah-Hartman:
 "Here's the big USB pull request for 3.10-rc1.

  Lots of USB patches here, the majority being USB gadget changes and
  USB-serial driver cleanups, the rest being ARM build fixes / cleanups,
  and individual driver updates.  We also finally got some chipidea
  fixes, which have been delayed for a number of kernel releases, as the
  maintainer has now reappeared.

  All of these have been in linux-next for a while"

* tag 'usb-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (568 commits)
  USB: ehci-msm: USB_MSM_OTG needs USB_PHY
  USB: OHCI: avoid conflicting platform drivers
  USB: OMAP: ISP1301 needs USB_PHY
  USB: lpc32xx: ISP1301 needs USB_PHY
  USB: ftdi_sio: enable two UART ports on ST Microconnect Lite
  usb: phy: tegra: don't call into tegra-ehci directly
  usb: phy: phy core cannot yet be a module
  USB: Fix initconst in ehci driver
  usb-storage: CY7C68300A chips do not support Cypress ATACB
  USB: serial: option: Added support Olivetti Olicard 145
  USB: ftdi_sio: correct ST Micro Connect Lite PIDs
  ARM: mxs_defconfig: add CONFIG_USB_PHY
  ARM: imx_v6_v7_defconfig: add CONFIG_USB_PHY
  usb: phy: remove exported function from __init section
  usb: gadget: zero: put function instances on unbind
  usb: gadget: f_sourcesink.c: correct a copy-paste misnomer
  usb: gadget: cdc2: fix error return code in cdc_do_config()
  usb: gadget: multi: fix error return code in rndis_do_config()
  usb: gadget: f_obex: fix error return code in obex_bind()
  USB: storage: convert to use module_usb_driver()
  ...
2013-04-29 12:19:23 -07:00
Eric Dumazet 6a5dc9e598 net: Add MIB counters for checksum errors
Add MIB counters for checksum errors in IP layer,
and TCP/UDP/ICMP layers, to help diagnose problems.

$ nstat -a | grep  Csum
IcmpInCsumErrors                72                 0.0
TcpInCsumErrors                 382                0.0
UdpInCsumErrors                 463221             0.0
Icmp6InCsumErrors               75                 0.0
Udp6InCsumErrors                173442             0.0
IpExtInCsumErrors               10884              0.0

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-29 15:14:03 -04:00
David S. Miller 14d3692f04 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
Pablo Neira Ayuso says:

====================
The following patchset contains relevant updates for the Netfilter
tree, they are:

* Enhancements for ipset: Add the counter extension for sets, this
  information can be used from the iptables set match, to change
  the matching behaviour. Jozsef required to add the extension
  infrastructure and moved the existing timeout support upon it.
  This also includes a change in net/sched/em_ipset to adapt it to
  the new extension structure.

* Enhancements for performance boosting in nfnetlink_queue: Add new
  configuration flags that allows user-space to receive big packets (GRO)
  and to disable checksumming calculation. This were proposed by Eric
  Dumazet during the Netfilter Workshop 2013 in Copenhagen. Florian
  Westphal was kind enough to find the time to materialize the proposal.

* A sparse fix from Simon, he noticed it in the SCTP NAT helper, the fix
  required a change in the interface of sctp_end_cksum.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-29 14:29:06 -04:00
Linus Torvalds 4f567cbc95 Char / Misc driver update for 3.10-rc1
Here's the big char / misc driver update for 3.10-rc1
 
 A number of various driver updates, the majority being new functionality
 in the MEI driver subsystem (it's now a subsystem, it started out just a
 single driver), extcon updates, memory updates, hyper-v updates, and a
 bunch of other small stuff that doesn't fit in any other tree.
 
 All of these have been in linux-next for a while
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver update from Greg Kroah-Hartman:
 "Here's the big char / misc driver update for 3.10-rc1

  A number of various driver updates, the majority being new
  functionality in the MEI driver subsystem (it's now a subsystem, it
  started out just a single driver), extcon updates, memory updates,
  hyper-v updates, and a bunch of other small stuff that doesn't fit in
  any other tree.

  All of these have been in linux-next for a while"

* tag 'char-misc-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (148 commits)
  Tools: hv: Fix a checkpatch warning
  tools: hv: skip iso9660 mounts in hv_vss_daemon
  tools: hv: use FIFREEZE/FITHAW in hv_vss_daemon
  tools: hv: use getmntent in hv_vss_daemon
  Tools: hv: Fix a checkpatch warning
  tools: hv: fix checks for origin of netlink message in hv_vss_daemon
  Tools: hv: fix warnings in hv_vss_daemon
  misc: mark spear13xx-pcie-gadget as broken
  mei: fix krealloc() misuse in in mei_cl_irq_read_msg()
  mei: reduce flow control only for completed messages
  mei: reseting -> resetting
  mei: fix reading large reposnes
  mei: revamp mei_irq_read_client_message function
  mei: revamp mei_amthif_irq_read_message
  mei: revamp hbm state machine
  Revert "drivers/scsi: use module_pcmcia_driver() in pcmcia drivers"
  Revert "scsi: pcmcia: nsp_cs: remove module init/exit function prototypes"
  scsi: pcmcia: nsp_cs: remove module init/exit function prototypes
  mei: wd: fix line over 80 characters
  misc: tsl2550: Use dev_pm_ops
  ...
2013-04-29 11:18:34 -07:00
Florian Westphal 00bd1cc24a netfilter: nfnetlink_queue: avoid expensive gso segmentation and checksum fixup
Userspace can now indicate that it can cope with larger-than-mtu sized
packets and packets that have invalid ipv4/tcp checksums.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-04-29 20:09:07 +02:00
Florian Westphal 7237190df8 netfilter: nfnetlink_queue: add skb info attribute
Once we allow userspace to receive gso/gro packets, userspace
needs to be able to determine when checksums appear to be
broken, but are not.

NFQA_SKB_CSUMNOTREADY means 'checksums will be fixed in kernel
later, pretend they are ok'.

NFQA_SKB_GSO could be used for statistics, or to determine when
packet size exceeds mtu.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-04-29 20:09:06 +02:00
Jozsef Kadlecsik 6e01781d1c netfilter: ipset: set match: add support to match the counters
The new revision of the set match supports to match the counters
and to suppress updating the counters at matching too.

At the set:list types, the updating of the subcounters can be
suppressed as well.

Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-04-29 20:09:03 +02:00
Jozsef Kadlecsik 34d666d489 netfilter: ipset: Introduce the counter extension in the core
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-04-29 20:08:59 +02:00
Nicolas Dichtel e8d9612c18 sock_diag: allow to dump bpf filters
This patch allows to dump BPF filters attached to a socket with
SO_ATTACH_FILTER.
Note that we check CAP_SYS_ADMIN before allowing to dump this info.

For now, only AF_PACKET sockets use this feature.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-29 13:21:30 -04:00
Nicolas Dichtel 76d0eeb1a1 packet_diag: disclose meminfo values
sk_rmem_alloc is disclosed via /proc/net/packet but not via netlink messages.
The goal is to have the same level of information.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-29 13:21:30 -04:00
Nicolas Dichtel 626419038a packet_diag: disclose uid value
This value is disclosed via /proc/net/packet but not via netlink messages.
The goal is to have the same level of information.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-29 13:21:30 -04:00
Linus Torvalds 96a3e8af5a PCI changes for the v3.10 merge window:
PCI device hotplug
     - Remove ACPI PCI subdrivers (Jiang Liu, Myron Stowe)
     - Make acpiphp builtin only, not modular (Jiang Liu)
     - Add acpiphp mutual exclusion (Jiang Liu)
 
   Power management
     - Skip "PME enabled/disabled" messages when not supported (Rafael Wysocki)
     - Fix fallback to PCI_D0 (Rafael Wysocki)
 
   Miscellaneous
     - Factor quirk_io_region (Yinghai Lu)
     - Cache MSI capability offsets & cleanup (Gavin Shan, Bjorn Helgaas)
     - Clean up EISA resource initialization and logging (Bjorn Helgaas)
     - Fix prototype warnings (Andy Shevchenko, Bjorn Helgaas)
     - MIPS: Initialize of_node before scanning bus (Gabor Juhos)
     - Fix pcibios_get_phb_of_node() declaration "weak" annotation (Gabor Juhos)
     - Add MSI INTX_DISABLE quirks for AR8161/AR8162/etc (Xiong Huang)
     - Fix aer_inject return values (Prarit Bhargava)
     - Remove PME/ACPI dependency (Andrew Murray)
     - Use shared PCI_BUS_NUM() and PCI_DEVID() (Shuah Khan)
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Merge tag 'pci-v3.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "PCI changes for the v3.10 merge window:

  PCI device hotplug
   - Remove ACPI PCI subdrivers (Jiang Liu, Myron Stowe)
   - Make acpiphp builtin only, not modular (Jiang Liu)
   - Add acpiphp mutual exclusion (Jiang Liu)

  Power management
   - Skip "PME enabled/disabled" messages when not supported (Rafael
     Wysocki)
   - Fix fallback to PCI_D0 (Rafael Wysocki)

  Miscellaneous
   - Factor quirk_io_region (Yinghai Lu)
   - Cache MSI capability offsets & cleanup (Gavin Shan, Bjorn Helgaas)
   - Clean up EISA resource initialization and logging (Bjorn Helgaas)
   - Fix prototype warnings (Andy Shevchenko, Bjorn Helgaas)
   - MIPS: Initialize of_node before scanning bus (Gabor Juhos)
   - Fix pcibios_get_phb_of_node() declaration "weak" annotation (Gabor
     Juhos)
   - Add MSI INTX_DISABLE quirks for AR8161/AR8162/etc (Xiong Huang)
   - Fix aer_inject return values (Prarit Bhargava)
   - Remove PME/ACPI dependency (Andrew Murray)
   - Use shared PCI_BUS_NUM() and PCI_DEVID() (Shuah Khan)"

* tag 'pci-v3.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (63 commits)
  vfio-pci: Use cached MSI/MSI-X capabilities
  vfio-pci: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK
  PCI: Remove "extern" from function declarations
  PCI: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK
  PCI: Drop msi_mask_reg() and remove drivers/pci/msi.h
  PCI: Use msix_table_size() directly, drop multi_msix_capable()
  PCI: Drop msix_table_offset_reg() and msix_pba_offset_reg() macros
  PCI: Drop is_64bit_address() and is_mask_bit_support() macros
  PCI: Drop msi_data_reg() macro
  PCI: Drop msi_lower_address_reg() and msi_upper_address_reg() macros
  PCI: Drop msi_control_reg() macro and use PCI_MSI_FLAGS directly
  PCI: Use cached MSI/MSI-X offsets from dev, not from msi_desc
  PCI: Clean up MSI/MSI-X capability #defines
  PCI: Use cached MSI-X cap while enabling MSI-X
  PCI: Use cached MSI cap while enabling MSI interrupts
  PCI: Remove MSI/MSI-X cap check in pci_msi_check_device()
  PCI: Cache MSI/MSI-X capability offsets in struct pci_dev
  PCI: Use u8, not int, for PM capability offset
  [SCSI] megaraid_sas: Use correct #define for MSI-X capability
  PCI: Remove "extern" from function declarations
  ...
2013-04-29 09:30:25 -07:00
stephen hemminger 823aa873bc vxlan: allow choosing destination port per vxlan
Allow configuring the default destination port on a per-device basis.
Adds new netlink paramater IFLA_VXLAN_PORT to allow setting destination
port when creating new vxlan.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-29 11:53:12 -04:00
stephen hemminger 5d174dd80c vxlan: source compatiablity with IFLA_VXLAN_GROUP (v2)
Source compatiability for build iproute2 was broken by:
  commit c7995c43fa
  Author: Atzm Watanabe <atzm@stratosphere.co.jp>
    vxlan: Allow setting destination to unicast address.

Since this commit has not made it upstream (still net-next),
and better to avoid gratitious changes to exported API's;
go back to original definition, and add a comment.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-29 11:53:12 -04:00
Michael Neuling 2171364d1a powerpc: Add HWCAP2 aux entry
We are currently out of free bits in AT_HWCAP. With POWER8, we have
several hardware features that we need to advertise.

Tested on POWER and x86.

Signed-off-by: Michael Neuling <michael@neuling.org>
Signed-off-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-04-26 16:08:16 +10:00
Mauro Carvalho Chehab 4ed7e7bae6 [media] videodev2.h: Remove the unused old V4L1 buffer types
Those aren't used anywhere for a long time. Drop it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2013-04-25 10:29:14 -03:00
Daniel Borkmann b9c32fb271 packet: if hw/sw ts enabled in rx/tx ring, report which ts we got
Currently, there is no way to find out which timestamp is reported in
tpacket{,2,3}_hdr's tp_sec, tp_{n,u}sec members. It can be one of
SOF_TIMESTAMPING_SYS_HARDWARE, SOF_TIMESTAMPING_RAW_HARDWARE,
SOF_TIMESTAMPING_SOFTWARE, or a fallback variant late call from the
PF_PACKET code in software.

Therefore, report in the tp_status member of the ring buffer which
timestamp has been reported for RX and TX path. This should not break
anything for the following reasons: i) in RX ring path, the user needs
to test for tp_status & TP_STATUS_USER, and later for other flags as
well such as TP_STATUS_VLAN_VALID et al, so adding other flags will
do no harm; ii) in TX ring path, time stamps with PACKET_TIMESTAMP
socketoption are not available resp. had no effect except that the
application setting this is buggy. Next to TP_STATUS_AVAILABLE, the
user also should check for other flags such as TP_STATUS_WRONG_FORMAT
to reclaim frames to the application. Thus, in case TX ts are turned
off (default case), nothing happens to the application logic, and in
case we want to use this new feature, we now can also check which of
the ts source is reported in the status field as provided in the docs.

Reported-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-25 01:22:22 -04:00
Daniel Borkmann 7276d5d743 packet: minor: convert status bits into shifting format
This makes it more readable and clearer what bits are still free to
use. The compiler reduces this to a constant for us anyway.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-25 01:22:22 -04:00
David S. Miller d3734b0496 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
Pablo Neira Ayuso says:

====================
The following patchset contains fixes for recently applied
Netfilter/IPVS updates to the net-next tree, most relevantly
they are:

* Fix sparse warnings introduced in the RCU conversion, from
  Julian Anastasov.

* Fix wrong endianness in the size field of IPVS sync messages,
  from Simon Horman.

* Fix missing if checking in nf_xfrm_me_harder, from Dan Carpenter.

* Fix off by one access in the IPVS SCTP tracking code, again from
  Dan Carpenter.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-25 00:53:40 -04:00
Thomas Gleixner 6402c7dc2a Merge branch 'linus' into timers/core
Reason: Get upstream fixes before adding conflicting code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-04-24 20:33:54 +02:00
John W. Linville 6ed0e321a0 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2013-04-24 10:54:20 -04:00
sjur.brandeland@stericsson.com 26ee65e680 caif: Remove my bouncing email address.
Remove my soon bouncing email address.
Also remove the "Contact:" line in file header.
The MAINTAINERS file is a better place to find the
contact person anyway.

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-23 13:25:51 -04:00
Bjorn Helgaas 24bc69da32 PCI: Clean up MSI/MSI-X capability #defines
This doesn't change any existing symbols, but it puts them in logical
order and uses explicit masks instead of shifts, like the rest of the
file.

It also adds new symbols for PCI_MSIX_TABLE_BIR,
PCI_MSIX_TABLE_OFFSET, PCI_MSIX_PBA_BIR, and PCI_MSIX_PBA_OFFSET to
replace the mis-named PCI_MSIX_FLAGS_BIRMASK (the BAR index fields
are part of the Table and PBA registers, not the flags register).

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2013-04-23 09:50:30 -06:00
Julian Anastasov 0a925864c1 ipvs: fix sparse warnings for some parameters
Some service fields are in network order:

- netmask: used once in network order and also as prefix len for IPv6
- port

Other parameters are in host order:

- struct ip_vs_flags: flags and mask moved between user and kernel only
- sync state: moved between user and kernel only
- syncid: sent over network as single octet

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
2013-04-23 11:43:05 +09:00
David S. Miller 6e0895c2ea Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
	drivers/net/ethernet/emulex/benet/be_main.c
	drivers/net/ethernet/intel/igb/igb_main.c
	drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
	include/net/scm.h
	net/batman-adv/routing.c
	net/ipv4/tcp_input.c

The e{uid,gid} --> {uid,gid} credentials fix conflicted with the
cleanup in net-next to now pass cred structs around.

The be2net driver had a bug fix in 'net' that overlapped with the VLAN
interface changes by Patrick McHardy in net-next.

An IGB conflict existed because in 'net' the build_skb() support was
reverted, and in 'net-next' there was a comment style fix within that
code.

Several batman-adv conflicts were resolved by making sure that all
calls to batadv_is_my_mac() are changed to have a new bat_priv first
argument.

Eric Dumazet's TS ECR fix in TCP in 'net' conflicted with the F-RTO
rewrite in 'net-next', mostly overlapping changes.

Thanks to Stephen Rothwell and Antonio Quartulli for help with several
of these merge resolutions.

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-22 20:32:51 -04:00
John W. Linville 6475cb05ee Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next 2013-04-22 14:58:14 -04:00
Arend van Spriel 5de1798489 cfg80211: introduce critical protocol indication from user-space
Some protocols need a more reliable connection to complete
successful in reasonable time. This patch adds a user-space
API to indicate the wireless driver that a critical protocol
is about to commence and when it is done, using nl80211 primitives
NL80211_CMD_CRIT_PROTOCOL_START and NL80211_CRIT_PROTOCOL_STOP.

There can be only on critical protocol session started per
registered cfg80211 device.

The driver can support this by implementing the cfg80211 callbacks
.crit_proto_start() and .crit_proto_stop(). Examples of protocols
that can benefit from this are DHCP, EAPOL, APIPA. Exactly how the
link can/should be made more reliable is up to the driver. Things
to consider are avoid scanning, no multi-channel operations, and
alter coexistence schemes.

Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-04-22 15:48:00 +02:00
Patrick McHardy 4ae9fbee16 netlink: add RX/TX-ring support to netlink diag
Based on AF_PACKET.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-19 14:57:58 -04:00
Patrick McHardy ccdfcc3985 netlink: mmaped netlink: ring setup
Add support for mmap'ed RX and TX ring setup and teardown based on the
af_packet.c code. The following patches will use this to add the real
mmap'ed receive and transmit functionality.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-19 14:57:57 -04:00
Patrick McHardy 8ad227ff89 net: vlan: add 802.1ad support
Add support for 802.1ad VLAN devices. This mainly consists of checking for
ETH_P_8021AD in addition to ETH_P_8021Q in a couple of places and check
offloading capabilities based on the used protocol.

Configuration is done using "ip link":

# ip link add link eth0 eth0.1000 \
	type vlan proto 802.1ad id 1000
# ip link add link eth0.1000 eth0.1000.1000 \
	type vlan proto 802.1q id 1000

52:54:00:12:34:56 > 92:b1:54:28:e4:8c, ethertype 802.1Q (0x8100), length 106: vlan 1000, p 0, ethertype 802.1Q, vlan 1000, p 0, ethertype IPv4, (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto ICMP (1), length 84)
    20.1.0.2 > 20.1.0.1: ICMP echo request, id 3003, seq 8, length 64
92:b1:54:28:e4:8c > 52:54:00:12:34:56, ethertype 802.1Q-QinQ (0x88a8), length 106: vlan 1000, p 0, ethertype 802.1Q, vlan 1000, p 0, ethertype IPv4, (tos 0x0, ttl 64, id 47944, offset 0, flags [none], proto ICMP (1), length 84)
    20.1.0.1 > 20.1.0.2: ICMP echo reply, id 3003, seq 8, length 64

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-19 14:46:06 -04:00
Eric Dumazet 0e280af026 tcp: introduce TCPSpuriousRtxHostQueues SNMP counter
Host queues (Qdisc + NIC) can hold packets so long that TCP can
eventually retransmit a packet before the first transmit even left
the host.

Its not clear right now if we could avoid this in the first place :

- We could arm RTO timer not at the time we enqueue packets, but
  at the time we TX complete them (tcp_wfree())

- Cancel the sending of the new copy of the packet if prior one
  is still in queue.

This patch adds instrumentation so that we can at least see how
often this problem happens.

TCPSpuriousRtxHostQueues SNMP counter is incremented every time
we detect the fast clone is not yet freed in tcp_transmit_skb()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-18 14:57:25 -04:00
David S. Miller 92cf1f23cc Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitch
Jesse Gross says:

====================
A number of improvements for net-next/3.10.

Highlights include:

 * Properly exposing linux/openvswitch.h to userspace after the uapi
   changes.

 * Simplification of locking. It immediately makes things simpler to
   reason about and avoids holding RTNL mutex for longer than
   necessary. In the near future it will also enable tunnel
   registration and more fine-grained locking.

 * Miscellaneous cleanups and simplifications.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-17 13:30:32 -04:00
Miklos Szeredi 4c82456eeb fuse: fix type definitions in uapi header
Commit 7e98d53086 (Synchronize fuse header with
one used in library) added #ifdef __linux__ around defines if it is not set.
The kernel build is self-contained and can be built on non-Linux toolchains.
After the mentioned commit builds on non-Linux toolchains will try to include
stdint.h and fail due to -nostdinc, and then fail with a bunch of undefined type
errors.

Fix by checking for __KERNEL__ instead of __linux__ and using the standard int
types instead of the linux specific ones.

Reported-by: Arve Hjønnevåg <arve@android.com>
Reported-by: Colin Cross <ccross@android.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
2013-04-17 12:30:40 +02:00
Atzm Watanabe c7995c43fa vxlan: Allow setting destination to unicast address.
This patch allows setting VXLAN destination to unicast address.
It allows that VXLAN can be used as peer-to-peer tunnel without
multicast.

v4: generalize struct vxlan_dev, "gaddr" is replaced with vxlan_rdst.
    "GROUP" attribute is replaced with "REMOTE".
    they are based by David Stevens's comments.

v3: move a new attribute REMOTE into the last of an enum list
    based by Stephen Hemminger's comments.

v2: use a new attribute REMOTE instead of GROUP based by
    Cong Wang's comments.

Signed-off-by: Atzm Watanabe <atzm@stratosphere.co.jp>
Acked-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-16 16:43:35 -04:00