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2015-11-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: 1) Fix list tests in netfilter ingress support, from Florian Westphal. 2) Fix reversal of input and output interfaces in ingress hook invocation, from Pablo Neira Ayuso. 3) We have a use after free in r8169, caught by Dave Jones, fixed by Francois Romieu. 4) Splice use-after-free fix in AF_UNIX frmo Hannes Frederic Sowa. 5) Three ipv6 route handling bug fixes from Martin KaFai Lau: a) Don't create clone routes not managed by the fib6 tree b) Don't forget to check expiration of DST_NOCACHE routes. c) Handle rt->dst.from == NULL properly. 6) Several AF_PACKET fixes wrt transport header setting and SKB protocol setting, from Daniel Borkmann. 7) Fix thunder driver crash on shutdown, from Pavel Fedin. 8) Several Mellanox driver fixes (max MTU calculations, use of correct DMA unmap in TX path, etc.) from Saeed Mahameed, Tariq Toukan, Doron Tsur, Achiad Shochat, Eran Ben Elisha, and Noa Osherovich. 9) Several mv88e6060 DSA driver fixes (wrong bit definitions for certain registers, etc.) from Neil Armstrong. 10) Make sure to disable preemption while updating per-cpu stats of ip tunnels, from Jason A. Donenfeld. 11) Various ARM64 bpf JIT fixes, from Yang Shi. 12) Flush icache properly in ARM JITs, from Daniel Borkmann. 13) Fix masking of RX and TX interrupts in ravb driver, from Masaru Nagai. 14) Fix netdev feature propagation for devices not implementing ->ndo_set_features(). From Nikolay Aleksandrov. 15) Big endian fix in vmxnet3 driver, from Shrikrishna Khare. 16) RAW socket code increments incorrect SNMP counters, fix from Ben Cartwright-Cox. 17) IPv6 multicast SNMP counters are bumped twice, fix from Neil Horman. 18) Fix handling of VLAN headers on stacked devices when REORDER is disabled. From Vlad Yasevich. 19) Fix SKB leaks and use-after-free in ipvlan and macvlan drivers, from Sabrina Dubroca. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (83 commits) MAINTAINERS: Update Mellanox's Eth NIC driver entries net/core: revert "net: fix __netdev_update_features return.." and add comment af_unix: take receive queue lock while appending new skb rtnetlink: fix frame size warning in rtnl_fill_ifinfo net: use skb_clone to avoid alloc_pages failure. packet: Use PAGE_ALIGNED macro packet: Don't check frames_per_block against negative values net: phy: Use interrupts when available in NOLINK state phy: marvell: Add support for 88E1540 PHY arm64: bpf: make BPF prologue and epilogue align with ARM64 AAPCS macvlan: fix leak in macvlan_handle_frame ipvlan: fix use after free of skb ipvlan: fix leak in ipvlan_rcv_frame vlan: Do not put vlan headers back on bridge and macvlan ports vlan: Fix untag operations of stacked vlans with REORDER_HEADER off via-velocity: unconditionally drop frames with bad l2 length ipg: Remove ipg driver dl2k: Add support for IP1000A-based cards snmp: Remove duplicate OUTMCAST stat increment net: thunder: Check for driver data in nicvf_remove() ...
2015-11-17phy: marvell: Add support for 88E1540 PHYAndrew Lunn
The 88E1540 can be found embedded in the Marvell 88E6352 switch. It is compatible with the 88E1510, so add support for it, using the 88E1510 specific functions. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-11-17vlan: Do not put vlan headers back on bridge and macvlan portsVlad Yasevich
When a vlan is configured with REORDER_HEADER set to 0, the vlan header is put back into the packet and makes it appear that the vlan header is still there even after it's been processed. This posses a problem for bridge and macvlan ports. The packets passed to those device may be forwarded and at the time of the forward, vlan headers end up being unexpectedly present. With the patch, we make sure that we do not put the vlan header back (when REORDER_HEADER is 0) if a bridge or macvlan has been configured on top of the vlan device. Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-11-16net: switchdev: fix return code of fdb_dump stubDragos Tatulea
rtnl_fdb_dump always expects an index to be returned by the ndo_fdb_dump op, but when CONFIG_NET_SWITCHDEV is off, it returns an error. Fix that by returning the given unmodified idx. A similar fix was 0890cf6cb6ab ("switchdev: fix return value of switchdev_port_fdb_dump in case of error") but for the CONFIG_NET_SWITCHDEV=y case. Fixes: 45d4122ca7cd ("switchdev: add support for fdb add/del/dump via switchdev_port_obj ops.") Signed-off-by: Dragos Tatulea <dragos@endocode.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-11-16ip_tunnel: disable preemption when updating per-cpu tstatsJason A. Donenfeld
Drivers like vxlan use the recently introduced udp_tunnel_xmit_skb/udp_tunnel6_xmit_skb APIs. udp_tunnel6_xmit_skb makes use of ip6tunnel_xmit, and ip6tunnel_xmit, after sending the packet, updates the struct stats using the usual u64_stats_update_begin/end calls on this_cpu_ptr(dev->tstats). udp_tunnel_xmit_skb makes use of iptunnel_xmit, which doesn't touch tstats, so drivers like vxlan, immediately after, call iptunnel_xmit_stats, which does the same thing - calls u64_stats_update_begin/end on this_cpu_ptr(dev->tstats). While vxlan is probably fine (I don't know?), calling a similar function from, say, an unbound workqueue, on a fully preemptable kernel causes real issues: [ 188.434537] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u8:0/6 [ 188.435579] caller is debug_smp_processor_id+0x17/0x20 [ 188.435583] CPU: 0 PID: 6 Comm: kworker/u8:0 Not tainted 4.2.6 #2 [ 188.435607] Call Trace: [ 188.435611] [<ffffffff8234e936>] dump_stack+0x4f/0x7b [ 188.435615] [<ffffffff81915f3d>] check_preemption_disabled+0x19d/0x1c0 [ 188.435619] [<ffffffff81915f77>] debug_smp_processor_id+0x17/0x20 The solution would be to protect the whole this_cpu_ptr(dev->tstats)/u64_stats_update_begin/end blocks with disabling preemption and then reenabling it. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-11-15net/mlx5e: Added self loopback preventionTariq Toukan
Prevent outgoing multicast frames from looping back to the RX queue. By introducing new HW capability self_lb_en_modifiable, which indicates the support to modify self_lb_en bit in modify_tir command. When this capability is set we can prevent TIRs from sending back loopback multicast traffic to their own RQs, by "refreshing TIRs" with modify_tir command, on every time new channels (SQs/RQs) are created at device open. This is needed since TIRs are static and only allocated once on driver load, and the loopback decision is under their responsibility. Fixes issues of the kind: "IPv6: eth2: IPv6 duplicate address fe80::e61d:2dff:fe5c:f2e9 detected!" The issue is seen since the IPv6 solicitations multicast messages are loopedback and the network stack thinks they are coming from another host. Fixes: 5c50368f3831 ("net/mlx5e: Light-weight netdev open/stop") Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-11-15tcp: ensure proper barriers in lockless contextsEric Dumazet
Some functions access TCP sockets without holding a lock and might output non consistent data, depending on compiler and or architecture. tcp_diag_get_info(), tcp_get_info(), tcp_poll(), get_tcp4_sock() ... Introduce sk_state_load() and sk_state_store() to fix the issues, and more clearly document where this lack of locking is happening. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-11-15ipv6: Check rt->dst.from for the DST_NOCACHE routeMartin KaFai Lau
All DST_NOCACHE rt6_info used to have rt->dst.from set to its parent. After commit 8e3d5be73681 ("ipv6: Avoid double dst_free"), DST_NOCACHE is also set to rt6_info which does not have a parent (i.e. rt->dst.from is NULL). This patch catches the rt->dst.from == NULL case. Fixes: 8e3d5be73681 ("ipv6: Avoid double dst_free") Signed-off-by: Martin KaFai Lau <kafai@fb.com> Cc: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-11-15Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds
Pull MIPS updates from Ralf Baechle: "These are the highlists of the main MIPS pull request for 4.4: - Add latencytop support - Support appended DTBs - VDSO support and initially use it for gettimeofday. - Drop the .MIPS.abiflags and ELF NOTE sections from vmlinux - Support for the 5KE, an internal test core. - Switch all MIPS platfroms to libata drivers. - Improved support, cleanups for ralink and Lantiq platforms. - Support for the new xilfpga platform. - A number of DTB improvments for BMIPS. - Improved support for CM and CPS. - Minor JZ4740 and BCM47xx enhancements" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (120 commits) MIPS: idle: add case for CPU_5KE MIPS: Octeon: Support APPENDED_DTB MIPS: vmlinux: create a section for appended DTB MIPS: Clean up compat_siginfo_t MIPS: Fix PAGE_MASK definition MIPS: BMIPS: Enable GZIP ramdisk and timed printks MIPS: Add xilfpga defconfig MIPS: xilfpga: Add mipsfpga platform code MIPS: xilfpga: Add xilfpga device tree files. dt-bindings: MIPS: Document xilfpga bindings and boot style MIPS: Make MIPS_CMDLINE_DTB default MIPS: Make the kernel arguments from dtb available MIPS: Use USE_OF as the guard for appended dtb MIPS: BCM63XX: Use pr_* instead of printk MIPS: Loongson: Cleanup CONFIG_LOONGSON_SUSPEND. MIPS: lantiq: Disable xbar fpi burst mode MIPS: lantiq: Force the crossbar to big endian MIPS: lantiq: Initialize the USB core on boot MIPS: lantiq: Return correct value for fpi clock on ar9 MIPS: ralink: Add missing clock on rt305x ...
2015-11-13Merge tag 'chrome-platform-4.4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/olof/chrome-platform Pull chrome platform updates from Olof Johansson: "Here's the branch of chrome platform changes for v4.4. Some have been queued up for the full 4.3 release cycle since I forgot to send them in for that round (rebased early on to deal with fixes conflicts). Most of these enable EC communication stuff -- Pixel 2015 support, enabling building for ARM64 platforms, and a few fixes for memory leaks. There's also a patch in here to allow reading/writing the verified boot context, which depends on a sysfs patch acked by Greg" * tag 'chrome-platform-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/olof/chrome-platform: platform/chrome: Fix i2c-designware adapter name platform/chrome: Support reading/writing the vboot context sysfs: Support is_visible() on binary attributes platform/chrome: cros_ec: Fix possible leak in led_rgb_store() platform/chrome: cros_ec: Fix leak in sequence_store() platform/chrome: Enable Chrome platforms on 64-bit ARM platform/chrome: cros_ec_dev - Add a platform device ID table platform/chrome: cros_ec_lpc - Add support for Google Pixel 2 platform/chrome: cros_ec_lpc - Use existing function to check EC result platform/chrome: Make depends on MFD_CROS_EC instead CROS_EC_PROTO Revert "platform/chrome: Don't make CHROME_PLATFORMS depends on X86 || ARM"
2015-11-13Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds
Pull final round of SCSI updates from James Bottomley: "Sorry for the delay in this patch which was mostly caused by getting the merger of the mpt2/mpt3sas driver, which was seen as an essential item of maintenance work to do before the drivers diverge too much. Unfortunately, this caused a compile failure (detected by linux-next), which then had to be fixed up and incubated. In addition to the mpt2/3sas rework, there are updates from pm80xx, lpfc, bnx2fc, hpsa, ipr, aacraid, megaraid_sas, storvsc and ufs plus an assortment of changes including some year 2038 issues, a fix for a remove before detach issue in some drivers and a couple of other minor issues" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (141 commits) mpt3sas: fix inline markers on non inline function declarations sd: Clear PS bit before Mode Select. ibmvscsi: set max_lun to 32 ibmvscsi: display default value for max_id, max_lun and max_channel. mptfusion: don't allow negative bytes in kbuf_alloc_2_sgl() scsi: pmcraid: replace struct timeval with ktime_get_real_seconds() mvumi: 64bit value for seconds_since1970 be2iscsi: Fix bogus WARN_ON length check scsi_scan: don't dump trace when scsi_prep_async_scan() is called twice mpt3sas: Bump mpt3sas driver version to 09.102.00.00 mpt3sas: Single driver module which supports both SAS 2.0 & SAS 3.0 HBAs mpt2sas, mpt3sas: Update the driver versions mpt3sas: setpci reset kernel oops fix mpt3sas: Added OEM Gen2 PnP ID branding names mpt3sas: Refcount fw_events and fix unsafe list usage mpt3sas: Refcount sas_device objects and fix unsafe list usage mpt3sas: sysfs attribute to report Backup Rail Monitor Status mpt3sas: Ported WarpDrive product SSS6200 support mpt3sas: fix for driver fails EEH, recovery from injected pci bus error mpt3sas: Manage MSI-X vectors according to HBA device type ...
2015-11-13Merge branch 'for-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending Pull SCSI target updates from Nicholas Bellinger: "This series contains HCH's changes to absorb configfs attribute ->show() + ->store() function pointer usage from it's original tree-wide consumers, into common configfs code. It includes usb-gadget, target w/ drivers, netconsole and ocfs2 changes to realize the improved simplicity, that now renders the original include/target/configfs_macros.h CPP magic for fabric drivers and others, unnecessary and obsolete. And with common code in place, new configfs attributes can be added easier than ever before. Note, there are further improvements in-flight from other folks for v4.5 code in configfs land, plus number of target fixes for post -rc1 code" In the meantime, a new user of the now-removed old configfs API came in through the char/misc tree in commit 7bd1d4093c2f ("stm class: Introduce an abstraction for System Trace Module devices"). This merge resolution comes from Alexander Shishkin, who updated his stm class tracing abstraction to account for the removal of the old show_attribute and store_attribute methods in commit 517982229f78 ("configfs: remove old API") from this pull. As Alexander says about that patch: "There's no need to keep an extra wrapper structure per item and the awkward show_attribute/store_attribute item ops are no longer needed. This patch converts policy code to the new api, all the while making the code quite a bit smaller and easier on the eyes. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>" That patch was folded into the merge so that the tree should be fully bisectable. * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (23 commits) configfs: remove old API ocfs2/cluster: use per-attribute show and store methods ocfs2/cluster: move locking into attribute store methods netconsole: use per-attribute show and store methods target: use per-attribute show and store methods spear13xx_pcie_gadget: use per-attribute show and store methods dlm: use per-attribute show and store methods usb-gadget/f_serial: use per-attribute show and store methods usb-gadget/f_phonet: use per-attribute show and store methods usb-gadget/f_obex: use per-attribute show and store methods usb-gadget/f_uac2: use per-attribute show and store methods usb-gadget/f_uac1: use per-attribute show and store methods usb-gadget/f_mass_storage: use per-attribute show and store methods usb-gadget/f_sourcesink: use per-attribute show and store methods usb-gadget/f_printer: use per-attribute show and store methods usb-gadget/f_midi: use per-attribute show and store methods usb-gadget/f_loopback: use per-attribute show and store methods usb-gadget/ether: use per-attribute show and store methods usb-gadget/f_acm: use per-attribute show and store methods usb-gadget/f_hid: use per-attribute show and store methods ...
2015-11-13Merge branch 'for-linus-3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs xattr cleanups from Al Viro. * 'for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: f2fs: xattr simplifications squashfs: xattr simplifications 9p: xattr simplifications xattr handlers: Pass handler to operations instead of flags jffs2: Add missing capability check for listing trusted xattrs hfsplus: Remove unused xattr handler list operations ubifs: Remove unused security xattr handler vfs: Fix the posix_acl_xattr_list return value vfs: Check attribute names in posix acl xattr handers
2015-11-139p: xattr simplificationsAndreas Gruenbacher
Now that the xattr handler is passed to the xattr handler operations, we can use the same get and set operations for the user, trusted, and security xattr namespaces. In those namespaces, we can access the full attribute name by "reattaching" the name prefix the vfs has skipped for us. Add a xattr_full_name helper to make this obvious in the code. For the "system.posix_acl_access" and "system.posix_acl_default" attributes, handler->prefix is the full attribute name; the suffix is the empty string. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Cc: Eric Van Hensbergen <ericvh@gmail.com> Cc: Ron Minnich <rminnich@sandia.gov> Cc: Latchesar Ionkov <lucho@ionkov.net> Cc: v9fs-developer@lists.sourceforge.net Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-11-13Merge tag 'vfio-v4.4-rc1' of git://github.com/awilliam/linux-vfioLinus Torvalds
Pull VFIO updates from Alex Williamson: - Use kernel interfaces for VPD emulation (Alex Williamson) - Platform fix for releasing IRQs (Eric Auger) - Type1 IOMMU always advertises PAGE_SIZE support when smaller mapping sizes are available (Eric Auger) - Platform fixes for incorrectly using copies of structures rather than pointers to structures (James Morse) - Rework platform reset modules, fix leak, and add AMD xgbe reset module (Eric Auger) - Fix vfio_device_get_from_name() return value (Joerg Roedel) - No-IOMMU interface (Alex Williamson) - Fix potential out of bounds array access in PCI config handling (Dan Carpenter) * tag 'vfio-v4.4-rc1' of git://github.com/awilliam/linux-vfio: vfio/pci: make an array larger vfio: Include No-IOMMU mode vfio: Fix bug in vfio_device_get_from_name() VFIO: platform: reset: AMD xgbe reset module vfio: platform: reset: calxedaxgmac: fix ioaddr leak vfio: platform: add dev_info on device reset vfio: platform: use list of registered reset function vfio: platform: add compat in vfio_platform_device vfio: platform: reset: calxedaxgmac: add reset function registration vfio: platform: introduce module_vfio_reset_handler macro vfio: platform: add capability to register a reset function vfio: platform: introduce vfio-platform-base module vfio/platform: store mapped memory in region, instead of an on-stack copy vfio/type1: handle case where IOMMU does not support PAGE_SIZE size VFIO: platform: clear IRQ_NOAUTOEN when de-assigning the IRQ vfio/pci: Use kernel VPD access functions vfio: Whitelist PCI bridges
2015-11-13Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client Pull Ceph updates from Sage Weil: "There are several patches from Ilya fixing RBD allocation lifecycle issues, a series adding a nocephx_sign_messages option (and associated bug fixes/cleanups), several patches from Zheng improving the (directory) fsync behavior, a big improvement in IO for direct-io requests when striping is enabled from Caifeng, and several other small fixes and cleanups" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: libceph: clear msg->con in ceph_msg_release() only libceph: add nocephx_sign_messages option libceph: stop duplicating client fields in messenger libceph: drop authorizer check from cephx msg signing routines libceph: msg signing callouts don't need con argument libceph: evaluate osd_req_op_data() arguments only once ceph: make fsync() wait unsafe requests that created/modified inode ceph: add request to i_unsafe_dirops when getting unsafe reply libceph: introduce ceph_x_authorizer_cleanup() ceph: don't invalidate page cache when inode is no longer used rbd: remove duplicate calls to rbd_dev_mapping_clear() rbd: set device_type::release instead of device::release rbd: don't free rbd_dev outside of the release callback rbd: return -ENOMEM instead of pool id if rbd_dev_create() fails libceph: use local variable cursor instead of &msg->cursor libceph: remove con argument in handle_reply() ceph: combine as many iovec as possile into one OSD request ceph: fix message length computation ceph: fix a comment typo rbd: drop null test before destroy functions
2015-11-12Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
Pull drm fixes from Dave Airlie: "One urgent fix for an oops under console lock in some drivers, one uapi fix, and one revert to fix rockchip regression" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: Revert "drm/rockchip: Convert the probe function to the generic drm_of_component_probe()" drm: Don't oops in drm_calc_timestamping_constants() if drm_vblank_init() wasn't called drm: Use userspace compatible type in fourcc_mod_code macro
2015-11-13Merge tag 'topic/drm-fixes-2015-11-11' of ↵Dave Airlie
git://anongit.freedesktop.org/drm-intel into drm-fixes Single fix for uapi. * tag 'topic/drm-fixes-2015-11-11' of git://anongit.freedesktop.org/drm-intel: drm: Use userspace compatible type in fourcc_mod_code macro
2015-11-12Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull misc block fixes from Jens Axboe: "Stuff that got collected after the merge window opened. This contains: - NVMe: - Fix for non-striped transfer size setting for NVMe from Sathyavathi. - (Some) support for the weird Apple nvme controller in the macbooks. From Stephan Günther. - The error value leak for dax from Al. - A few minor blk-mq tweaks from me. - Add the new linux-block@vger.kernel.org mailing list to the MAINTAINERS file. - Discard fix for brd, from Jan. - A kerneldoc warning for block core from Randy. - An older fix from Vivek, converting a WARN_ON() to a rate limited printk when a device is hot removed with dirty inodes" * 'for-linus' of git://git.kernel.dk/linux-block: block: don't hardcode blk_qc_t -> tag mask dax_io(): don't let non-error value escape via retval instead of EFAULT block: fix blk-core.c kernel-doc warning fs/block_dev.c: Remove WARN_ON() when inode writeback fails NVMe: add support for Apple NVMe controller NVMe: use split lo_hi_{read,write}q blk-mq: mark __blk_mq_complete_request() static MAINTAINERS: add reference to new linux-block list NVMe: Increase the max transfer size when mdts is 0 brd: Refuse improperly aligned discard requests
2015-11-12Merge tag 'for-4.4' of git://git.osdn.jp/gitroot/uclinux-h8/linuxLinus Torvalds
Pull h8300 updates from Yoshinori Sato: "Some bug fixes" * tag 'for-4.4' of git://git.osdn.jp/gitroot/uclinux-h8/linux: h8300: enable CLKSRC_OF h8300: Don't set CROSS_COMPILE unconditionally asm-generic: {get,put}_user ptr argument evaluate only 1 time h8300: bit io fix h8300: zImage fix h8300: register address fix h8300: Fix alignment for .data h8300: unaligned divcr register support.
2015-11-12Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull second batch of kvm updates from Paolo Bonzini: "Four changes: - x86: work around two nasty cases where a benign exception occurs while another is being delivered. The endless stream of exceptions causes an infinite loop in the processor, which not even NMIs or SMIs can interrupt; in the virt case, there is no possibility to exit to the host either. - x86: support for Skylake per-guest TSC rate. Long supported by AMD, the patches mostly move things from there to common arch/x86/kvm/ code. - generic: remove local_irq_save/restore from the guest entry and exit paths when context tracking is enabled. The patches are a few months old, but we discussed them again at kernel summit. Andy will pick up from here and, in 4.5, try to remove it from the user entry/exit paths. - PPC: Two bug fixes, see merge commit 370289756becc for details" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (21 commits) KVM: x86: rename update_db_bp_intercept to update_bp_intercept KVM: svm: unconditionally intercept #DB KVM: x86: work around infinite loop in microcode when #AC is delivered context_tracking: avoid irq_save/irq_restore on guest entry and exit context_tracking: remove duplicate enabled check KVM: VMX: Dump TSC multiplier in dump_vmcs() KVM: VMX: Use a scaled host TSC for guest readings of MSR_IA32_TSC KVM: VMX: Setup TSC scaling ratio when a vcpu is loaded KVM: VMX: Enable and initialize VMX TSC scaling KVM: x86: Use the correct vcpu's TSC rate to compute time scale KVM: x86: Move TSC scaling logic out of call-back read_l1_tsc() KVM: x86: Move TSC scaling logic out of call-back adjust_tsc_offset() KVM: x86: Replace call-back compute_tsc_offset() with a common function KVM: x86: Replace call-back set_tsc_khz() with a common function KVM: x86: Add a common TSC scaling function KVM: x86: Add a common TSC scaling ratio field in kvm_vcpu_arch KVM: x86: Collect information for setting TSC scaling ratio KVM: x86: declare a few variables as __read_mostly KVM: x86: merge handle_mmio_page_fault and handle_mmio_page_fault_common KVM: PPC: Book3S HV: Don't dynamically split core when already split ...
2015-11-12Merge tag 'pm+acpi-4.4-rc1-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull more power management and ACPI updates from Rafael Wysocki: "The only new feature in this batch is support for the ACPI _CCA device configuration object, which it a pre-requisite for future ACPI PCI support on ARM64, but should not affect the other architectures. The rest is fixes and cleanups, mostly in cpufreq (including intel_pstate), the Operating Performace Points (OPP) framework and tools (cpupower and turbostat). Specifics: - Support for the ACPI _CCA configuration object intended to tell the OS whether or not a bus master device supports hardware managed cache coherency and a new set of functions to allow drivers to check the cache coherency support for devices in a platform firmware interface agnostic way (Suravee Suthikulpanit, Jeremy Linton). - ACPI backlight quirks for ESPRIMO Mobile M9410 and Dell XPS L421X (Aaron Lu, Hans de Goede). - Fixes for the arm_big_little and s5pv210-cpufreq cpufreq drivers (Jon Medhurst, Nicolas Pitre). - kfree()-related fixup for the recently introduced CPPC cpufreq frontend (Markus Elfring). - intel_pstate fix reducing kernel log noise on systems where P-states are managed by hardware (Prarit Bhargava). - intel_pstate maintainers information update (Srinivas Pandruvada). - cpufreq core optimization related to the handling of delayed work items used by governors (Viresh Kumar). - Locking fixes and cleanups of the Operating Performance Points (OPP) framework (Viresh Kumar). - Generic power domains framework cleanups (Lina Iyer). - cpupower tool updates (Jacob Tanenbaum, Sriram Raghunathan, Thomas Renninger). - turbostat tool updates (Len Brown)" * tag 'pm+acpi-4.4-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits) PCI: ACPI: Add support for PCI device DMA coherency PCI: OF: Move of_pci_dma_configure() to pci_dma_configure() of/pci: Fix pci_get_host_bridge_device leak device property: ACPI: Remove unused DMA APIs device property: ACPI: Make use of the new DMA Attribute APIs device property: Adding DMA Attribute APIs for Generic Devices ACPI: Adding DMA Attribute APIs for ACPI Device device property: Introducing enum dev_dma_attr ACPI: Honor ACPI _CCA attribute setting cpufreq: CPPC: Delete an unnecessary check before the function call kfree() PM / OPP: Add opp_rcu_lockdep_assert() to _find_device_opp() PM / OPP: Hold dev_opp_list_lock for writers PM / OPP: Protect updates to list_dev with mutex PM / OPP: Propagate error properly from dev_pm_opp_set_sharing_cpus() cpufreq: s5pv210-cpufreq: fix wrong do_div() usage MAINTAINERS: update for intel P-state driver Creating a common structure initialization pattern for struct option cpupower: Enable disabled Cstates if they are below max latency cpupower: Remove debug message when using cpupower idle-set -D switch cpupower: cpupower monitor reports uninitialized values for offline cpus ...
2015-11-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nfDavid S. Miller
Pablo Neira Ayuso: ==================== Netfilter fixes for net The following patchset contains Netfilter fixes for your net tree. This large batch that includes fixes for ipset, netfilter ingress, nf_tables dynamic set instantiation and a longstanding Kconfig dependency problem. More specifically, they are: 1) Add missing check for empty hook list at the ingress hook, from Florian Westphal. 2) Input and output interface are swapped at the ingress hook, reported by Patrick McHardy. 3) Resolve ipset extension alignment issues on ARM, patch from Jozsef Kadlecsik. 4) Fix bit check on bitmap in ipset hash type, also from Jozsef. 5) Release buckets when all entries have expired in ipset hash type, again from Jozsef. 6) Oneliner to initialize conntrack tuple object in the PPTP helper, otherwise the conntrack lookup may fail due to random bits in the structure holes, patch from Anthony Lineham. 7) Silence a bogus gcc warning in nfnetlink_log, from Arnd Bergmann. 8) Fix Kconfig dependency problems with TPROXY, socket and dup, also from Arnd. 9) Add __netdev_alloc_pcpu_stats() to allow creating percpu counters from atomic context, this is required by the follow up fix for nf_tables. 10) Fix crash from the dynamic set expression, we have to add new clone operation that should be defined when a simple memcpy is not enough. This resolves a crash when using per-cpu counters with new Patrick McHardy's flow table nft support. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-11-11Merge tag 'nfsd-4.4' of git://linux-nfs.org/~bfields/linuxLinus Torvalds
Pull nfsd updates from Bruce Fields: "Apologies for coming a little late in the merge window. Fortunately this is another fairly quiet one: Mainly smaller bugfixes and cleanup. We're still finding some bugs from the breakup of the big NFSv4 state lock in 3.17 -- thanks especially to Andrew Elble and Jeff Layton for tracking down some of the remaining races" * tag 'nfsd-4.4' of git://linux-nfs.org/~bfields/linux: svcrpc: document lack of some memory barriers nfsd: fix race with open / open upgrade stateids nfsd: eliminate sending duplicate and repeated delegations nfsd: remove recurring workqueue job to clean DRC SUNRPC: drop stale comment in svc_setup_socket() nfsd: ensure that seqid morphing operations are atomic wrt to copies nfsd: serialize layout stateid morphing operations nfsd: improve client_has_state to check for unused openowners nfsd: fix clid_inuse on mount with security change sunrpc/cache: make cache flushing more reliable. nfsd: move include of state.h from trace.c to trace.h sunrpc: avoid warning in gss_key_timeout lockd: get rid of reference-counted NSM RPC clients SUNRPC: Use MSG_SENDPAGE_NOTLAST when calling sendpage() lockd: create NSM handles per net namespace nfsd: switch unsigned char flags in svc_fh to bools nfsd: move svc_fh->fh_maxsize to just after fh_handle nfsd: drop null test before destroy functions nfsd: serialize state seqid morphing operations
2015-11-11Merge tag 'devicetree-fixes-for-4.4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull DeviceTree fixes from Rob Herring: - Add empty of_translate_address needed for HiSilicon network driver. - Fix alignment requirements for CMA regions in DT. - Fix booting on PPC systems which can't do WARN() early. - Rename ak4554 binding doc from .c to .txt. * tag 'devicetree-fixes-for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: of: Provide static inline function for of_translate_address if needed drivers: of: of_reserved_mem: fixup the alignment with CMA setup of: Print rather than WARN'ing when overlap check fails dt-bindings: ak4554: extension should be .txt
2015-11-11Merge branch 'for-linus-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs update from Al Viro: - misc stable fixes - trivial kernel-doc and comment fixups - remove never-used block_page_mkwrite() wrapper function, and rename the function that is _actually_ used to not have double underscores. * 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fs: 9p: cache.h: Add #define of include guard vfs: remove stale comment in inode_operations vfs: remove unused wrapper block_page_mkwrite() binfmt_elf: Correct `arch_check_elf's description fs: fix writeback.c kernel-doc warnings fs: fix inode.c kernel-doc warning fs/pipe.c: return error code rather than 0 in pipe_write() fs/pipe.c: preserve alloc_file() error code binfmt_elf: Don't clobber passed executable's file header FS-Cache: Handle a write to the page immediately beyond the EOF marker cachefiles: perform test on s_blocksize when opening cache file. FS-Cache: Don't override netfs's primary_index if registering failed FS-Cache: Increase reference of parent after registering, netfs success debugfs: fix refcount imbalance in start_creating
2015-11-11Merge tag 'pwm/for-4.4-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm Pull pwm updates from Thierry Reding: "This round contains a couple of new drivers for the Marvell Berlin family of SoCs, various SoCs from Renesas and Broadcom as well as the backlight PWM present on MediaTek SoCs. Further existing drivers are extended to support a wider range of hardware. The remaining patches are minor fixes and cleanups across the board. Note that one of the patches included in this pull request is against arch/unicore32. I've included it here because I couldn't get a response from Guan Xuetao and I consider the change low-risk. Equivalent patches have been merged and tested in Samsung and PXA trees. The goal is to finally get rid of legacy code paths that have repeatedly been causing headaches" * tag 'pwm/for-4.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (24 commits) pwm: sunxi: Fix whitespace issue pwm: sysfs: Make use of the DEVICE_ATTR_[RW][WO] macro's pwm: sysfs: Remove unnecessary temporary variable unicore32: nb0916: Use PWM lookup table pwm: pwm-rcar: Revise the device tree binding document about compatible pwm: Return -ENODEV if no PWM lookup match is found pwm: sun4i: Add support for PWM controller on sun5i SoCs pwm: Set enable state properly on failed call to enable pwm: lpss: Add support for runtime PM pwm: lpss: Add more Intel Broxton IDs pwm: lpss: Support all four PWMs on Intel Broxton pwm: lpss: Add support for multiple PWMs pwm-pca9685: enable ACPI device found on Galileo Gen2 pwm: Add MediaTek display PWM driver support dt-bindings: pwm: Add MediaTek display PWM bindings pwm: tipwmss: Enable on TI DRA7x and AM437x pwm: atmel-hlcdc: add sama5d2 SoC support. pwm: Add Broadcom BCM7038 PWM controller support Documentation: dt: add Broadcom BCM7038 PWM controller binding pwm: Add support for R-Car PWM Timer ...
2015-11-11Merge branch 'next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux Pull thermal updates from Zhang Rui: - Implement generic devfreq cooling mechanism through frequency reduction for devices using devfreq. From Ørjan Eide and Javi Merino. - Introduce OMAP3 support on TI SoC thermal driver. From Pavel Mack and Eduardo Valentin. - A bounch of small fixes on devfreq_cooling, Exynos, IMX, Armada, and Rockchip thermal drivers. * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (24 commits) thermal: exynos: Directly return 0 instead of using local ret variable thermal: exynos: Remove unneeded semicolon thermal: exynos: Use IS_ERR() because regulator cannot be NULL thermal: exynos: Fix first temperature read after registering sensor thermal: exynos: Fix unbalanced regulator disable on probe failure devfreq_cooling: return on allocation failure thermal: rockchip: support the sleep pinctrl state to avoid glitches in s2r dt-bindings: rockchip-thermal: Add the pinctrl states in this document thermal: devfreq_cooling: Make power a u64 thermal: devfreq_cooling: use a thermal_cooling_device for register and unregister thermal: underflow bug in imx_set_trip_temp() thermal: armada: Fix possible overflow in the Armada 380 thermal sensor formula thermal: imx: register irq handler later in probe thermal: rockhip: fix setting thermal shutdown polarity thermal: rockchip: fix handling of invalid readings devfreq_cooling: add trace information thermal: Add devfreq cooling PM / OPP: get the voltage for all OPPs tools/thermal: tmon: use pkg-config also for CFLAGS linux/thermal.h: rename KELVIN_TO_CELSIUS to DECI_KELVIN_TO_CELSIUS ...
2015-11-11block: don't hardcode blk_qc_t -> tag maskJens Axboe
Use the shift/mask we use elsewhere. Signed-off-by: Jens Axboe <axboe@fb.com>
2015-11-11irqchip: irq-mips-gic: Provide function to map GIC user sectionAlex Smith
The GIC provides a "user-mode visible" section containing a mirror of the counter registers which can be mapped into user memory. This will be used by the VDSO time function implementations, so provide a function to map it in. When the GIC is not enabled in Kconfig a dummy inline version of this function is provided, along with "#define gic_present 0", so that we don't have to litter the VDSO code with ifdefs. [markos.chandras@imgtec.com: - Move mapping code to arch/mips/kernel/vdso.c and use a resource type to get the GIC usermode information - Avoid renaming function arguments and use __gic_base_addr to hold the base GIC address prior to ioremap.] [ralf@linux-mips.org: Fix up gic_get_usm_range() to compile and make inline again.] Signed-off-by: Alex Smith <alex.smith@imgtec.com> Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Alex Smith <alex.smith@imgtec.com> Cc: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/11281/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-11-11vfs: remove stale comment in inode_operationsRoss Zwisler
The big warning comment that is currently at the end of struct inode_operations was added as part of this commit: 4aa7c6346be3 ("vfs: add i_op->dentry_open()") It was added to warn people not to use the newly added 'dentry_open' function pointer. This function pointer was removed as part of this commit: 4bacc9c9234c ("overlayfs: Make f_path always point to the overlay and f_inode to the underlay") The comment was left behind and now refers to nothing, so remove it. Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-11-11vfs: remove unused wrapper block_page_mkwrite()Ross Zwisler
The function currently called "__block_page_mkwrite()" used to be called "block_page_mkwrite()" until a wrapper for this function was added by: commit 24da4fab5a61 ("vfs: Create __block_page_mkwrite() helper passing error values back") This wrapper, the current "block_page_mkwrite()", is currently unused. __block_page_mkwrite() is used directly by ext4, nilfs2 and xfs. Remove the unused wrapper, rename __block_page_mkwrite() back to block_page_mkwrite() and update the comment above block_page_mkwrite(). Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Reviewed-by: Jan Kara <jack@suse.com> Cc: Jan Kara <jack@suse.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-11-10Merge branch 'akpm' (patches from Andrew)Linus Torvalds
Merge final patch-bomb from Andrew Morton: "Various leftovers, mainly Christoph's pci_dma_supported() removals" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: pci: remove pci_dma_supported usbnet: remove ifdefed out call to dma_supported kaweth: remove ifdefed out call to dma_supported sfc: don't call dma_supported nouveau: don't call pci_dma_supported netup_unidvb: use pci_set_dma_mask insted of pci_dma_supported cx23885: use pci_set_dma_mask insted of pci_dma_supported cx25821: use pci_set_dma_mask insted of pci_dma_supported cx88: use pci_set_dma_mask insted of pci_dma_supported saa7134: use pci_set_dma_mask insted of pci_dma_supported saa7164: use pci_set_dma_mask insted of pci_dma_supported tw68-core: use pci_set_dma_mask insted of pci_dma_supported pcnet32: use pci_set_dma_mask insted of pci_dma_supported lib/string.c: add ULL suffix to the constant definition hugetlb: trivial comment fix selftests/mlock2: add ULL suffix to 64-bit constants selftests/mlock2: add missing #define _GNU_SOURCE
2015-11-10Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: 1) Fix null deref in xt_TEE netfilter module, from Eric Dumazet. 2) Several spots need to get to the original listner for SYN-ACK packets, most spots got this ok but some were not. Whilst covering the remaining cases, create a helper to do this. From Eric Dumazet. 3) Missiing check of return value from alloc_netdev() in CAIF SPI code, from Rasmus Villemoes. 4) Don't sleep while != TASK_RUNNING in macvtap, from Vlad Yasevich. 5) Use after free in mvneta driver, from Justin Maggard. 6) Fix race on dst->flags access in dst_release(), from Eric Dumazet. 7) Add missing ZLIB_INFLATE dependency for new qed driver. From Arnd Bergmann. 8) Fix multicast getsockopt deadlock, from WANG Cong. 9) Fix deadlock in btusb, from Kuba Pawlak. 10) Some ipv6_add_dev() failure paths were not cleaning up the SNMP6 counter state. From Sabrina Dubroca. 11) Fix packet_bind() race, which can cause lost notifications, from Francesco Ruggeri. 12) Fix MAC restoration in qlcnic driver during bonding mode changes, from Jarod Wilson. 13) Revert bridging forward delay change which broke libvirt and other userspace things, from Vlad Yasevich. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (65 commits) Revert "bridge: Allow forward delay to be cfgd when STP enabled" bpf_trace: Make dependent on PERF_EVENTS qed: select ZLIB_INFLATE net: fix a race in dst_release() net: mvneta: Fix memory use after free. net: Documentation: Fix default value tcp_limit_output_bytes macvtap: Resolve possible __might_sleep warning in macvtap_do_read() mvneta: add FIXED_PHY dependency net: caif: check return value of alloc_netdev net: hisilicon: NET_VENDOR_HISILICON should depend on HAS_DMA drivers: net: xgene: fix RGMII 10/100Mb mode netfilter: nft_meta: use skb_to_full_sk() helper net_sched: em_meta: use skb_to_full_sk() helper sched: cls_flow: use skb_to_full_sk() helper netfilter: xt_owner: use skb_to_full_sk() helper smack: use skb_to_full_sk() helper net: add skb_to_full_sk() helper and use it in selinux_netlbl_skbuff_setsid() bpf: doc: correct arch list for supported eBPF JIT dwc_eth_qos: Delete an unnecessary check before the function call "of_node_put" bonding: fix panic on non-ARPHRD_ETHER enslave failure ...
2015-11-10Merge branch 'for-4.4/io-poll' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block IO poll support from Jens Axboe: "Various groups have been doing experimentation around IO polling for (really) fast devices. The code has been reviewed and has been sitting on the side for a few releases, but this is now good enough for coordinated benchmarking and further experimentation. Currently O_DIRECT sync read/write are supported. A framework is in the works that allows scalable stats tracking so we can auto-tune this. And we'll add libaio support as well soon. Fow now, it's an opt-in feature for test purposes" * 'for-4.4/io-poll' of git://git.kernel.dk/linux-block: direct-io: be sure to assign dio->bio_bdev for both paths directio: add block polling support NVMe: add blk polling support block: add block polling support blk-mq: return tag/queue combo in the make_request_fn handlers block: change ->make_request_fn() and users to return a queue cookie
2015-11-10pci: remove pci_dma_supportedChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Cc: Helge Deller <deller@gmx.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-10of: Provide static inline function for of_translate_address if neededGuenter Roeck
If OF_ADDRESS is not configured, builds can fail with errors such as drivers/net/ethernet/hisilicon/hns_mdio.c: In function 'hns_mdio_bus_name': drivers/net/ethernet/hisilicon/hns_mdio.c:411:3: error: implicit declaration of function 'of_translate_address' as currently seen when building sparc:allmodconfig. Introduce a static inline function if OF_ADDRESS is not configured to fix the build failure. Return OF_BAD_ADDR in this case. For this to work, the definition of OF_BAD_ADDR has to be moved outside CONFIG_OF conditional code. Fixes: 876133d3161d ("net: hisilicon: add OF dependency") Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Frank Rowand <frank.rowand@sonymobile.com> Signed-off-by: Rob Herring <robh@kernel.org>
2015-11-10Merge tag 'armsoc-dt' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM DT updates from Olof Johansson: "As usual, this is the massive branch we have for each release. Lots of various updates and additions of hardware descriptions on existing hardware, as well as the usual additions of new boards and SoCs. This is also the first release where we've started mixing 64- and 32-bit DT updates in one branch. (Specific details on what's actually here and new is pretty easy to tell from the diffstat, so there's little point in duplicating listing it here)" * tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (499 commits) ARM: dts: uniphier: add system-bus-controller nodes ARM64: juno: disable NOR flash node by default ARM: dts: uniphier: add outer cache controller nodes arm64: defconfig: Enable PCI generic host bridge by default arm64: Juno: Add support for the PCIe host bridge on Juno R1 Documentation: of: Document the bindings used by Juno R1 PCIe host bridge ARM: dts: uniphier: add I2C aliases for ProXstream2 boards dts/Makefile: Add build support for LS2080a QDS & RDB board DTS dts/ls2080a: Add DTS support for LS2080a QDS & RDB boards dts/ls2080a: Update Simulator DTS to add support of various peripherals dts/ls2080a: Remove text about writing to Free Software Foundation dts/ls2080a: Update DTSI to add support of various peripherals doc: DTS: Update DWC3 binding to provide reference to generic bindings doc/bindings: Update GPIO devicetree binding documentation for LS2080A Documentation/dts: Move FSL board-specific bindings out of /powerpc Documentation: DT: Add entry for FSL LS2080A QDS and RDB boards arm64: Rename FSL LS2085A SoC support code to LS2080A arm64: Use generic Layerscape SoC family naming ARM: dts: uniphier: add ProXstream2 Vodka board support ARM: dts: uniphier: add ProXstream2 Gentil board support ...
2015-11-10Merge tag 'armsoc-drivers' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC driver updates from Olof Johansson: "As we've enabled multiplatform kernels on ARM, and greatly done away with the contents under arch/arm/mach-*, there's still need for SoC-related drivers to go somewhere. Many of them go in through other driver trees, but we still have drivers/soc to hold some of the "doesn't fit anywhere" lowlevel code that might be shared between ARM and ARM64 (or just in general makes sense to not have under the architecture directory). This branch contains mostly such code: - Drivers for qualcomm SoCs for SMEM, SMD and SMD-RPM, used to communicate with power management blocks on these SoCs for use by clock, regulator and bus frequency drivers. - Allwinner Reduced Serial Bus driver, again used to communicate with PMICs. - Drivers for ARM's SCPI (System Control Processor). Not to be confused with PSCI (Power State Coordination Interface). SCPI is used to communicate with the assistant embedded cores doing power management, and we have yet to see how many of them will implement this for their hardware vs abstracting in other ways (or not at all like in the past). - To make confusion between SCPI and PSCI more likely, this release also includes an update of PSCI to interface version 1.0. - Rockchip support for power domains. - A driver to talk to the firmware on Raspberry Pi" * tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (57 commits) soc: qcom: smd-rpm: Correct size of outgoing message bus: sunxi-rsb: Add driver for Allwinner Reduced Serial Bus bus: sunxi-rsb: Add Allwinner Reduced Serial Bus (RSB) controller bindings ARM: bcm2835: add mutual inclusion protection drivers: psci: make PSCI 1.0 functions initialization version dependent dt-bindings: Correct paths in Rockchip power domains binding document soc: rockchip: power-domain: don't try to print the clock name in error case soc: qcom/smem: add HWSPINLOCK dependency clk: berlin: add cpuclk ARM: berlin: dts: add CLKID_CPU for BG2Q ARM: bcm2835: Add the Raspberry Pi firmware driver soc: qcom: smem: Move RPM message ram out of smem DT node soc: qcom: smd-rpm: Correct the active vs sleep state flagging soc: qcom: smd: delete unneeded of_node_put firmware: qcom-scm: build for correct architecture level soc: qcom: smd: Correct SMEM items for upper channels qcom-scm: add missing prototype for qcom_scm_is_available() qcom-scm: fix endianess issue in __qcom_scm_is_call_available soc: qcom: smd: Reject send of too big packets soc: qcom: smd: Handle big endian CPUs ...
2015-11-10Merge tag 'armsoc-soc' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC platform updates from Olof Johansson: "New and/or improved SoC support for this release: Marvell Berlin: - Enable standard DT-based cpufreq - Add CPU hotplug support Freescale: - Ethernet init for i.MX7D - Suspend/resume support for i.MX6UL Allwinner: - Support for R8 chipset (used on NTC's $9 C.H.I.P board) Mediatek: - SMP support for some platforms Uniphier: - L2 support - Cleaned up SMP support, etc. plus a handful of other patches around above functionality, and a few other smaller changes" * tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (42 commits) ARM: uniphier: rework SMP operations to use trampoline code ARM: uniphier: add outer cache support Documentation: EXYNOS: Update bootloader interface on exynos542x ARM: mvebu: add broken-idle option ARM: orion5x: use mac_pton() helper ARM: at91: pm: at91_pm_suspend_in_sram() must be 8-byte aligned ARM: sunxi: Add R8 support ARM: digicolor: select pinctrl/gpio driver arm: berlin: add CPU hotplug support arm: berlin: use non-self-cleared reset register to reset cpu ARM: mediatek: add smp bringup code ARM: mediatek: enable gpt6 on boot up to make arch timer working soc: mediatek: Fix random hang up issue while kernel init soc: ti: qmss: make acc queue support optional in the driver soc: ti: add firmware file name as part of the driver Documentation: dt: soc: Add description for knav qmss driver ARM: S3C64XX: Use PWM lookup table for mach-smartq ARM: S3C64XX: Use PWM lookup table for mach-hmt ARM: S3C64XX: Use PWM lookup table for mach-crag6410 ARM: S3C64XX: Use PWM lookup table for smdk6410 ...
2015-11-10Merge tag 'armsoc-cleanup' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC cleanups from Olof Johansson: "Again we have a sizable (but not huge) cleanup branch with a net delta of about -3k lines. Main contents here is: - A bunch of development/cleanup of a few PXA boards - Removal of bockw platforms on shmobile, since the platform has now gone completely multiplatform. Whee! - move of the 32kHz timer on OMAP to a proper timesource - Misc cleanup of older OMAP material (incl removal of one board file) - Switch over to new common PWM lookup support for several platforms There's also a handful of other cleanups across the tree, but the above are the major pieces" * tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (103 commits) ARM: OMAP3: hwmod data: Remove legacy mailbox data and addrs ARM: DRA7: hwmod data: Remove spinlock hwmod addrs ARM: OMAP4: hwmod data: Remove spinlock hwmod addrs ARM: DRA7/AM335x/AM437x: hwmod: Remove gpmc address space from hwmod data ARM: Remove __ref on hotplug cpu die path ARM: Remove open-coded version of IRQCHIP_DECLARE arm: omap2: board-generic: use omap4_local_timer_init for AM437x ARM: DRA7/AM335x/AM437x: hwmod: Remove elm address space from hwmod data ARM: OMAP: Remove duplicated operand in OR operation clocksource: ti-32k: make it depend on GENERIC_CLOCKSOURCE ARM: pxa: remove incorrect __init annotation on pxa27x_set_pwrmode ARM: pxa: raumfeld: make some variables static ARM: OMAP: Change all cpu_is_* occurences to soc_is_* for id.c ARM: OMAP2+: Rename cpu_is macros to soc_is arm: omap2: timer: limit hwmod usage to non-DT boots arm: omap2+: select 32k clocksource driver clocksource: add TI 32.768 Hz counter driver arm: omap2: timer: rename omap_sync32k_timer_init() arm: omap2: timer: always call clocksource_of_init() when DT arm: omap2: timer: move realtime_counter_init() around ...
2015-11-10netfilter: nf_tables: add clone interface to expression operationsPablo Neira Ayuso
With the conversion of the counter expressions to make it percpu, we need to clone the percpu memory area, otherwise we crash when using counters from flow tables. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2015-11-10net: add __netdev_alloc_pcpu_stats() to indicate gfp flagsPablo Neira Ayuso
nf_tables may create percpu counters from the packet path through its dynamic set instantiation infrastructure, so we need a way to allocate this through GFP_ATOMIC. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Acked-by: David S. Miller <davem@davemloft.net>
2015-11-10Merge tag 'libnvdimm-for-4.4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull libnvdimm updates from Dan Williams: "Outside of the new ACPI-NFIT hot-add support this pull request is more notable for what it does not contain, than what it does. There were a handful of development topics this cycle, dax get_user_pages, dax fsync, and raw block dax, that need more more iteration and will wait for 4.5. The patches to make devm and the pmem driver NUMA aware have been in -next for several weeks. The hot-add support has not, but is contained to the NFIT driver and is passing unit tests. The coredump support is straightforward and was looked over by Jeff. All of it has received a 0day build success notification across 107 configs. Summary: - Add support for the ACPI 6.0 NFIT hot add mechanism to process updates of the NFIT at runtime. - Teach the coredump implementation how to filter out DAX mappings. - Introduce NUMA hints for allocations made by the pmem driver, and as a side effect all devm allocations now hint their NUMA node by default" * tag 'libnvdimm-for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: coredump: add DAX filtering for FDPIC ELF coredumps coredump: add DAX filtering for ELF coredumps acpi: nfit: Add support for hot-add nfit: in acpi_nfit_init, break on a 0-length table pmem, memremap: convert to numa aware allocations devm_memremap_pages: use numa_mem_id devm: make allocations numa aware by default devm_memremap: convert to return ERR_PTR devm_memunmap: use devres_release() pmem: kill memremap_pmem() x86, mm: quiet arch_add_memory()
2015-11-10Merge branch 'i2c/for-4.4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c updates from Wolfram Sang: - New drivers: UniPhier (with and without FIFO) - some drivers got some bigger rework: ismt, designware, img-scb (rcar had to be reverted because issues were showing up just lately) - ACPI: reworked the device scanning and added support for muxes ... and quite a lot of driver bugfixes and cleanups this time. All files touched outside of the i2c realm have proper acks. * 'i2c/for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (70 commits) i2c: rcar: Revert the latest refactoring series i2c: pnx: remove superfluous assignment MAINTAINERS: i2c: drop i2c-pnx maintainer MAINTAINERS: i2c: mark also subdirectories as maintained i2c: cadence: enable driver for ARM64 i2c: i801: Document Intel DNV and Broxton i2c: at91: manage unexpected RXRDY flag when starting a transfer i2c: pnx: Use setup_timer instead of open coding it i2c: add ACPI support for I2C mux ports acpi: add acpi_preset_companion() stub i2c: pxa: Add support for pxa910/988 & new configuration features i2c: au1550: Convert to devm_kzalloc and devm_ioremap_resource i2c-dev: Fix I2C_SLAVE ioctl comment i2c-dev: Fix typo in ioctl name reference i2c: sirf: tune the divider to make i2c bus freq more accurate i2c: imx: Use -ENXIO as error in the NACK case i2c: i801: Add support for Intel Broxton i2c: i801: Add support for Intel DNV i2c: mediatek: add i2c resume support i2c: imx: implement bus recovery ...
2015-11-10Merge git://www.linux-watchdog.org/linux-watchdogLinus Torvalds
Pull watchdog update from Wim Van Sebroeck: - New driver for Broadcom 7038 Set-Top Box - imx2_wdt: Use register definition in regmap_write() - intel-mid: add Magic Closure flag - watchdog framework improvements: - Use device tree alias for naming watchdogs - propagate ping error code to the user space - Always evaluate new timeout against min_timeout - Use single variable name for struct watchdog_device - include clean-ups * git://www.linux-watchdog.org/linux-watchdog: watchdog: include: add units for timeout values in kerneldoc watchdog: include: fix some typos watchdog: core: propagate ping error code to the user space watchdog: watchdog_dev: Use single variable name for struct watchdog_device watchdog: Always evaluate new timeout against min_timeout watchdog: intel-mid: add Magic Closure flag watchdog: imx2_wdt: Use register definition in regmap_write() watchdog: watchdog_dev: Use device tree alias for naming watchdogs watchdog: Watchdog driver for Broadcom Set-Top Box watchdog: bcm7038: add device tree binding documentation
2015-11-10Merge tag 'dmaengine-4.4-rc1' of git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds
Pull dmaengine updates from Vinod Koul: "This time we have a very typical update which is mostly fixes and updates to drivers and no new drivers. - the biggest change is coming from Peter for edma cleanup which even caused some last minute regression, things seem settled now - idma64 and dw updates - iotdma updates - module autoload fixes for various drivers - scatter gather support for hdmac" * tag 'dmaengine-4.4-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (77 commits) dmaengine: edma: Add dummy driver skeleton for edma3-tptc Revert "ARM: DTS: am33xx: Use the new DT bindings for the eDMA3" Revert "ARM: DTS: am437x: Use the new DT bindings for the eDMA3" dmaengine: dw: some Intel devices has no memcpy support dmaengine: dw: platform: provide platform data for Intel dmaengine: dw: don't override platform data with autocfg dmaengine: hdmac: Add scatter-gathered memset support dmaengine: hdmac: factorise memset descriptor allocation dmaengine: virt-dma: Fix kernel-doc annotations ARM: DTS: am437x: Use the new DT bindings for the eDMA3 ARM: DTS: am33xx: Use the new DT bindings for the eDMA3 dmaengine: edma: New device tree binding dmaengine: Kconfig: edma: Select TI_DMA_CROSSBAR in case of ARCH_OMAP dmaengine: ti-dma-crossbar: Add support for crossbar on AM33xx/AM43xx dmaengine: edma: Merge the of parsing functions dmaengine: edma: Do not allocate memory for edma_rsv_info in case of DT boot dmaengine: edma: Refactor the dma device and channel struct initialization dmaengine: edma: Get qDMA channel information from HW also dmaengine: edma: Merge map_dmach_to_queue into assign_channel_eventq dmaengine: edma: Correct PaRAM access function names (_parm_ to _param_) ...
2015-11-10Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
Pull drm updates from Dave Airlie: "I Was Almost Tempted To Capitalise Every Word, but then I decided I couldn't read it myself! I've also got one pull request for the sti driver outstanding. It relied on a commit in Greg's tree and I didn't find out in time, that commit is in your tree now so I might send that along once this is merged. I also had the accidental misfortune to have access to a Skylake on my desk for a few days, and I've had to encourage Intel to try harder, which seems to be happening now. Here is the main drm-next pull request for 4.4. Highlights: New driver: vc4 driver for the Rasberry Pi VPU. (From Eric Anholt at Broadcom.) Core: Atomic fbdev support Atomic helpers for runtime pm dp/aux i2c STATUS_UPDATE handling struct_mutex usage cleanups. Generic of probing support. Documentation: Kerneldoc for VGA switcheroo code. Rename to gpu instead of drm to reflect scope. i915: Skylake GuC firmware fixes HPD A support VBT backlight fallbacks Fastboot by default for some systems FBC work BXT/SKL workarounds Skylake deeper sleep state fixes amdgpu: Enable GPU scheduler by default New atombios opcodes GPUVM debugging options Stoney support. Fencing cleanups. radeon: More efficient CS checking nouveau: gk20a instance memory handling improvements. Improved PGOB detection and GK107 support Kepler GDDR5 PLL statbility improvement G8x/GT2xx reclock improvements new userspace API compatiblity fixes. virtio-gpu: Add 3D support - qemu 2.5 has it merged for it's gtk backend. msm: Initial msm88896 (snapdragon 8200) exynos: HDMI cleanups Enable mixer driver byt default Add DECON-TV support vmwgfx: Move to using memremap + fixes. rcar-du: Add support for R8A7793/4 DU armada: Remove support for non-component mode Improved plane handling Power savings while in DPMS off. tda998x: Remove unused slave encoder support Use more HDMI helpers Fix EDID read handling dwhdmi: Interlace video mode support for ipu-v3/dw_hdmi Hotplug state fixes Audio driver integration imx: More color formats support. tegra: Minor fixes/improvements" [ Merge fixup: remove unused variable 'dev' that had all uses removed in commit 4e270f088011: "drm/gem: Drop struct_mutex requirement from drm_gem_mmap_obj" ] * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (764 commits) drm/vmwgfx: Relax irq locking somewhat drm/vmwgfx: Properly flush cursor updates and page-flips drm/i915/skl: disable display side power well support for now drm/i915: Extend DSL readout fix to BDW and SKL. drm/i915: Do graphics device reset under forcewake drm/i915: Skip fence installation for objects with rotated views (v4) vga_switcheroo: Drop client power state VGA_SWITCHEROO_INIT drm/amdgpu: group together common fence implementation drm/amdgpu: remove AMDGPU_FENCE_OWNER_MOVE drm/amdgpu: remove now unused fence functions drm/amdgpu: fix fence fallback check drm/amdgpu: fix stoping the scheduler timeout drm/amdgpu: cleanup on error in amdgpu_cs_ioctl() drm/i915: Fix locking around GuC firmware load drm/amdgpu: update Fiji's Golden setting drm/amdgpu: update Fiji's rev id drm/amdgpu: extract common code in vi_common_early_init drm/amd/scheduler: don't oops on failure to load drm/amdgpu: don't oops on failure to load (v2) drm/amdgpu: don't VT switch on suspend ...
2015-11-10pwm: Set enable state properly on failed call to enableJonathan Richardson
The pwm_enable() function didn't clear the enabled bit if a call to the driver's ->enable() callback returned an error. The result was that the state of the PWM core was wrong. Clearing the bit when enable returns an error ensures the state is properly set. Tested-by: Jonathan Richardson <jonathar@broadcom.com> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Jonathan Richardson <jonathar@broadcom.com> [thierry.reding@gmail.com: add missing kerneldoc for the lock] Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2015-11-10context_tracking: avoid irq_save/irq_restore on guest entry and exitPaolo Bonzini
guest_enter and guest_exit must be called with interrupts disabled, since they take the vtime_seqlock with write_seq{lock,unlock}. Therefore, it is not necessary to check for exceptions, nor to save/restore the IRQ state, when context tracking functions are called by guest_enter and guest_exit. Split the body of context_tracking_entry and context_tracking_exit out to __-prefixed functions, and use them from KVM. Rik van Riel has measured this to speed up a tight vmentry/vmexit loop by about 2%. Cc: Andy Lutomirski <luto@kernel.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Rik van Riel <riel@redhat.com> Tested-by: Rik van Riel <riel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>