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2016-03-22firewire: nosy: Replace timeval with timespec64Tina Ruchandani1-3/+5
'struct timeval' uses a 32 bit field for its 'seconds' value which will overflow in year 2038 and beyond. This patch replaces the use of timeval in nosy.c with timespec64 which doesn't suffer from y2038 issue. The code is correct as is - since it is only using the microseconds portion of timeval. However, this patch does the replacement as part of a larger effort to remove all instances of 'struct timeval' from the kernel (that would help identify cases where the code is actually broken). Signed-off-by: Tina Ruchandani <[email protected]> Reviewed-by: Arnd Bergmann <[email protected]> Signed-off-by: Stefan Richter <[email protected]>
2016-03-22perf list: Fix documentation of :pppAndi Kleen1-2/+4
Correctly document what is implemented for :ppp on Intel CPUs in recent kernels. Signed-off-by: Andi Kleen <[email protected]> Acked-by: Jiri Olsa <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2016-03-22Revert "PCI: dra7xx: Mark driver as broken"Sekhar Nori1-1/+0
Revert 5c3b99d05752 ("PCI: dra7xx: Mark driver as broken"). 1c96bee4df19 ("ARM: DRA7: hwmod: Add custom reset handler for PCIeSS") added support to de-assert PCIe reset, so DRA7x PCIe is not broken anymore. Signed-off-by: Sekhar Nori <[email protected]> Signed-off-by: Kishon Vijay Abraham I <[email protected]> Signed-off-by: Bjorn Helgaas <[email protected]>
2016-03-22Merge remote-tracking branch 'mkp-scsi/4.6/scsi-fixes' into miscJames Bottomley7-31/+34
2016-03-22KVM: fix spin_lock_init order on x86Paolo Bonzini1-10/+11
Moving the initialization earlier is needed in 4.6 because kvm_arch_init_vm is now using mmu_lock, causing lockdep to complain: [ 284.440294] INFO: trying to register non-static key. [ 284.445259] the code is fine but needs lockdep annotation. [ 284.450736] turning off the locking correctness validator. ... [ 284.528318] [<ffffffff810aecc3>] lock_acquire+0xd3/0x240 [ 284.533733] [<ffffffffa0305aa0>] ? kvm_page_track_register_notifier+0x20/0x60 [kvm] [ 284.541467] [<ffffffff81715581>] _raw_spin_lock+0x41/0x80 [ 284.546960] [<ffffffffa0305aa0>] ? kvm_page_track_register_notifier+0x20/0x60 [kvm] [ 284.554707] [<ffffffffa0305aa0>] kvm_page_track_register_notifier+0x20/0x60 [kvm] [ 284.562281] [<ffffffffa02ece70>] kvm_mmu_init_vm+0x20/0x30 [kvm] [ 284.568381] [<ffffffffa02dbf7a>] kvm_arch_init_vm+0x1ea/0x200 [kvm] [ 284.574740] [<ffffffffa02bff3f>] kvm_dev_ioctl+0xbf/0x4d0 [kvm] However, it also helps fixing a preexisting problem, which is why this patch is also good for stable kernels: kvm_create_vm was incrementing current->mm->mm_count but not decrementing it at the out_err label (in case kvm_init_mmu_notifier failed). The new initialization order makes it possible to add the required mmdrop without adding a new error label. Cc: [email protected] Reported-by: Borislav Petkov <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2016-03-22KVM: PPC: Create a virtual-mode only TCE table handlersAlexey Kardashevskiy3-7/+57
Upcoming in-kernel VFIO acceleration needs different handling in real and virtual modes which makes it hard to support both modes in the same handler. This creates a copy of kvmppc_rm_h_stuff_tce and kvmppc_rm_h_put_tce in addition to the existing kvmppc_rm_h_put_tce_indirect. This also fixes linker breakage when only PR KVM was selected (leaving HV KVM off): the kvmppc_h_put_tce/kvmppc_h_stuff_tce functions would not compile at all and the linked would fail. Signed-off-by: Alexey Kardashevskiy <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2016-03-22KVM: VMX: fix nested vpid for old KVM guestsPaolo Bonzini1-1/+13
Old KVM guests invoke single-context invvpid without actually checking whether it is supported. This was fixed by commit 518c8ae ("KVM: VMX: Make sure single type invvpid is supported before issuing invvpid instruction", 2010-08-01) and the patch after, but pre-2.6.36 kernels lack it including RHEL 6. Reported-by: [email protected] Tested-by: [email protected] Cc: [email protected] Fixes: 99b83ac893b84ed1a62ad6d1f2b6cc32026b9e85 Reviewed-by: David Matlack <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2016-03-22KVM: VMX: avoid guest hang on invalid invvpid instructionPaolo Bonzini1-0/+1
A guest executing an invalid invvpid instruction would hang because the instruction pointer was not updated. Reported-by: [email protected] Tested-by: [email protected] Cc: [email protected] Fixes: 99b83ac893b84ed1a62ad6d1f2b6cc32026b9e85 Reviewed-by: David Matlack <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2016-03-22KVM: VMX: avoid guest hang on invalid invept instructionPaolo Bonzini1-0/+1
A guest executing an invalid invept instruction would hang because the instruction pointer was not updated. Cc: [email protected] Fixes: bfd0a56b90005f8c8a004baf407ad90045c2b11e Reviewed-by: David Matlack <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2016-03-22ARM: dts: at91: sama5d4 Xplained: don't disable hsmci regulatorLudovic Desroches1-0/+1
If enabling the hsmci regulator on card detection, the board can reboot on sd card insertion. Keeping the regulator always enabled fixes this issue. Signed-off-by: Ludovic Desroches <[email protected]> Fixes: 8d545f32bd77 ("ARM: at91/dt: sama5d4 xplained: add regulators for v(q)mmc1 supplies") Cc: [email protected] #4.3 and later Signed-off-by: Nicolas Ferre <[email protected]>
2016-03-22ARM: dts: at91: sama5d3 Xplained: don't disable hsmci regulatorLudovic Desroches1-0/+1
If enabling the hsmci regulator on card detection, the board can reboot on sd card insertion. Keeping the regulator always enabled fixes this issue. Signed-off-by: Ludovic Desroches <[email protected]> Fixes: 1b53e3416dd0 ("ARM: at91/dt: sama5d3 xplained: add fixed regulator for vmmc0") Cc: [email protected] #4.3 and later Signed-off-by: Nicolas Ferre <[email protected]>
2016-03-22Merge tag 'kvm-arm-for-4.6-rc1' of ↵Paolo Bonzini3-1/+13
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD KVM/ARM Changes for v4.6-rc1 Second round of patches for v4.6-rc1, fixing a small handful of issue: - disable preemption when calling smp_call_function_many - Make kvm_ksym_ref work on VHE systems again after KASRL breakage - Disable compiler instrumentation for hypervisor code that could make KVM/arm64 blow up.
2016-03-22cxgb4: update Kconfig and MakefileVarun Prakash2-0/+12
update Kconfig and Makefile for enabling iSCSI DDP page pod manager. Signed-off-by: Varun Prakash <[email protected]> Acked-by: Hariprasad Shenai <[email protected]> Signed-off-by: Nicholas Bellinger <[email protected]>
2016-03-22cxgb4: add iSCSI DDP page pod managerVarun Prakash2-0/+774
add files for common page pod manager, both iSCSI initiator and target ULDs will use common ppod manager for DDP. Signed-off-by: Varun Prakash <[email protected]> Acked-by: Hariprasad Shenai <[email protected]> Signed-off-by: Nicholas Bellinger <[email protected]>
2016-03-22cxgb4, iw_cxgb4: move delayed ack macro definitionsVarun Prakash2-9/+9
move delayed ack macro definitions to common header file t4_msg.h. Signed-off-by: Varun Prakash <[email protected]> Acked-by: Hariprasad Shenai <[email protected]> Signed-off-by: Nicholas Bellinger <[email protected]>
2016-03-22cxgb4: move VLAN_NONE macro definitionVarun Prakash2-2/+2
move VLAN_NONE macro definition from l2t.c to l2t.h Signed-off-by: Varun Prakash <[email protected]> Acked-by: Hariprasad Shenai <[email protected]> Signed-off-by: Nicholas Bellinger <[email protected]>
2016-03-22cxgb4: update struct cxgb4_lld_info definitionVarun Prakash3-0/+10
add members for iSCSI DDP. Signed-off-by: Varun Prakash <[email protected]> Acked-by: Hariprasad Shenai <[email protected]> Signed-off-by: Nicholas Bellinger <[email protected]>
2016-03-22cxgb4: add definitions for iSCSI target ULDVarun Prakash2-0/+114
add structure, macro and constant definitions for iSCSI Tx and Rx. Signed-off-by: Varun Prakash <[email protected]> Acked-by: Hariprasad Shenai <[email protected]> Signed-off-by: Nicholas Bellinger <[email protected]>
2016-03-22cxgb4, cxgb4i: move struct cpl_rx_data_ddp definitionVarun Prakash2-12/+15
move struct cpl_rx_data_ddp definition to common header file t4_msg.h. Signed-off-by: Varun Prakash <[email protected]> Acked-by: Hariprasad Shenai <[email protected]> Signed-off-by: Nicholas Bellinger <[email protected]>
2016-03-22cxgb4, iw_cxgb4, cxgb4i: remove duplicate definitionsVarun Prakash3-14/+5
move struct ulptx_idata definition to common header file t4_msg.h. Signed-off-by: Varun Prakash <[email protected]> Acked-by: Hariprasad Shenai <[email protected]> Signed-off-by: Nicholas Bellinger <[email protected]>
2016-03-22cxgb4, iw_cxgb4: move definitions to common header fileVarun Prakash2-81/+81
move struct tcp_options, struct cpl_pass_accept_req, enum defining congestion control algorithms and associated macros to common header file t4_msg.h Signed-off-by: Varun Prakash <[email protected]> Acked-by: Hariprasad Shenai <[email protected]> Signed-off-by: Nicholas Bellinger <[email protected]>
2016-03-22cxgb4: large receive offload supportVarun Prakash4-14/+60
add large receive offload(LRO) support for upper layer drivers. Signed-off-by: Varun Prakash <[email protected]> Acked-by: Hariprasad Shenai <[email protected]> Signed-off-by: Nicholas Bellinger <[email protected]>
2016-03-22cxgb4: allocate resources for CXGB4_ULD_ISCSITVarun Prakash4-7/+92
allocate rxqs for non T4 adapters, dump rxqs sge qinfo through debugfs. Signed-off-by: Varun Prakash <[email protected]> Acked-by: Hariprasad Shenai <[email protected]> Signed-off-by: Nicholas Bellinger <[email protected]>
2016-03-22cxgb4: add new ULD type CXGB4_ULD_ISCSITVarun Prakash1-0/+1
Chelsio iSCSI target offload driver will register with cxgb4 driver as ULD of type CXGB4_ULD_ISCSIT. Signed-off-by: Varun Prakash <[email protected]> Acked-by: Hariprasad Shenai <[email protected]> Signed-off-by: Nicholas Bellinger <[email protected]>
2016-03-22target: Fix target_release_cmd_kref shutdown comp leakHimanshu Madhani1-2/+0
This patch fixes an active I/O shutdown bug for fabric drivers using target_wait_for_sess_cmds(), where se_cmd descriptor shutdown would result in hung tasks waiting indefinitely for se_cmd->cmd_wait_comp to complete(). To address this bug, drop the incorrect list_del_init() usage in target_wait_for_sess_cmds() and always complete() during se_cmd target_release_cmd_kref() put, in order to let caller invoke the final fabric release callback into se_cmd->se_tfo->release_cmd() code. Reported-by: Himanshu Madhani <[email protected]> Tested-by: Himanshu Madhani <[email protected]> Signed-off-by: Himanshu Madhani <[email protected]> Cc: [email protected] Signed-off-by: Nicholas Bellinger <[email protected]>
2016-03-21net: ipv4: Fix truncated timestamp returned by inet_current_timestamp()Deepa Dinamani1-1/+1
The millisecond timestamps returned by the function is converted to network byte order by making a call to htons(). htons() only returns __be16 while __be32 is required here. This was identified by the sparse warning from the buildbot: net/ipv4/af_inet.c:1405:16: sparse: incorrect type in return expression (different base types) net/ipv4/af_inet.c:1405:16: expected restricted __be32 net/ipv4/af_inet.c:1405:16: got restricted __be16 [usertype] <noident> Change the function to use htonl() to return the correct __be32 type instead so that the millisecond value doesn't get truncated. Signed-off-by: Deepa Dinamani <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Alexey Kuznetsov <[email protected]> Cc: Hideaki YOSHIFUJI <[email protected]> Cc: James Morris <[email protected]> Cc: Patrick McHardy <[email protected]> Cc: Arnd Bergmann <[email protected]> Fixes: 822c868532ca ("net: ipv4: Convert IP network timestamps to be y2038 safe") Reported-by: Fengguang Wu <[email protected]> [0-day test robot] Signed-off-by: David S. Miller <[email protected]>
2016-03-21Make DST_CACHE a silent config optionDave Jones1-1/+1
commit 911362c70d ("net: add dst_cache support") added a new kconfig option that gets selected by other networking options. It seems the intent wasn't to offer this as a user-selectable option given the lack of help text, so this patch converts it to a silent option. Signed-off-by: Dave Jones <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-03-21net: Add missing kernel-doc for netdev ptype listsBenjamin Poirier1-0/+2
.//include/linux/netdevice.h:1826: warning: No description found for parameter 'ptype_all' .//include/linux/netdevice.h:1826: warning: No description found for parameter 'ptype_specific' Introduced by commit 7866a621043f ("dev: add per net_device packet type chains") Cc: Salam Noureddine <[email protected]> Signed-off-by: Benjamin Poirier <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-03-21net: add missing descriptions in net_device_priv_flagsLuis de Bethencourt1-0/+4
The flags IFF_XMIT_DST_RELEASE_PERM, IFF_IPVLAN_MASTER and IFF_IPVLAN_SLAVE are missing descriptions for the Documentation. Adding them. Signed-off-by: Luis de Bethencourt <[email protected]> Suggested-by: Benjamin Poirier <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-03-21igmp: Document sysctl_igmp_max_msfBenjamin Poirier1-3/+8
Signed-off-by: Benjamin Poirier <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-03-21net: Fix indentation of the conf/ documentation blockBenjamin Poirier1-5/+5
Commit d67ef35fff67 ("clarify documentation for net.ipv4.igmp_max_memberships") mistakenly indented a block of documentation such that it now looks like it belongs to a specific sysctl. Restore that block's original position. Cc: Jeremy Eder <[email protected]> Signed-off-by: Benjamin Poirier <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2016-03-21Merge branch 'for-linus-4.6' of ↵Linus Torvalds36-931/+1102
git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Pull btrfs updates from Chris Mason: "We have a good sized cleanup of our internal read ahead code, and the first series of commits from Chandan to enable PAGE_SIZE > sectorsize Otherwise, it's a normal series of cleanups and fixes, with many thanks to Dave Sterba for doing most of the patch wrangling this time" * 'for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (82 commits) btrfs: make sure we stay inside the bvec during __btrfs_lookup_bio_sums btrfs: Fix misspellings in comments. btrfs: Print Warning only if ENOSPC_DEBUG is enabled btrfs: scrub: silence an uninitialized variable warning btrfs: move btrfs_compression_type to compression.h btrfs: rename btrfs_print_info to btrfs_print_mod_info Btrfs: Show a warning message if one of objectid reaches its highest value Documentation: btrfs: remove usage specific information btrfs: use kbasename in btrfsic_mount Btrfs: do not collect ordered extents when logging that inode exists Btrfs: fix race when checking if we can skip fsync'ing an inode Btrfs: fix listxattrs not listing all xattrs packed in the same item Btrfs: fix deadlock between direct IO reads and buffered writes Btrfs: fix extent_same allowing destination offset beyond i_size Btrfs: fix file loss on log replay after renaming a file and fsync Btrfs: fix unreplayable log after snapshot delete + parent dir fsync Btrfs: fix lockdep deadlock warning due to dev_replace btrfs: drop unused argument in btrfs_ioctl_get_supported_features btrfs: add GET_SUPPORTED_FEATURES to the control device ioctls btrfs: change max_inline default to 2048 ...
2016-03-22ACPI / util: cast data to u64 before shifting to fix sign extensionColin Ian King1-1/+1
obj->buffer.pointer[i] should be cast to u64 to prevent an unintentional sign extension. For example, if pointer[7] is 0x80, then the value 0xffffffffff000000 is or'd into mask rather than the intended value 0xff00000000000000 Detected with static analysis by CoverityScan Signed-off-by: Colin Ian King <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2016-03-22cpufreq: powernv: Define per_cpu chip pointer to optimize hot-pathMichael Neuling1-33/+17
Commit 96c4726f01cd "cpufreq: powernv: Remove cpu_to_chip_id() from hot-path" introduced a 'core_to_chip_map' array to cache the chip-ids of all cores. Replace this with a per-CPU variable that stores the pointer to the chip-array. This removes the linear lookup and provides a neater and simpler solution. Signed-off-by: Michael Neuling <[email protected]> Signed-off-by: Shilpasri G Bhat <[email protected]> Acked-by: Viresh Kumar <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2016-03-21NTB: Make _addr functions optional in the APIAllen Hubbe1-2/+8
The functions ntb_peer_db_addr and ntb_peer_spad_addr were required by the api. The functions already support returning an error, so any existing calling code should already check for it. Any existing code using drivers that implement the functions will not be affected. Signed-off-by: Allen Hubbe <[email protected]> Signed-off-by: Jon Mason <[email protected]>
2016-03-21NTB: Fix incorrect clean up routine in ntb_perfDave Jiang1-18/+24
The clean up routine when we failed to allocate kthread is not cleaning up all the threads, only the same one over and over again. Reported-by: Dan Carpenter <[email protected]> Signed-off-by: Dave Jiang <[email protected]> Acked-by: Allen Hubbe <[email protected]> Signed-off-by: Jon Mason <[email protected]>
2016-03-21NTB: Fix incorrect return check in ntb_perfDave Jiang1-4/+3
kthread_create_no_node() returns error pointers, never NULL. Fix check so it handles error correctly. Reported-by: Dan Carpenter <[email protected]> Signed-off-by: Dave Jiang <[email protected]> Signed-off-by: Jon Mason <[email protected]>
2016-03-21rtc: mcp795: add devicetree supportEmil Bartczak2-0/+21
Add device tree support to the rtc-mcp795 driver. Signed-off-by: Emil Bartczak <[email protected]> Acked-by: Rob Herring <[email protected]> Signed-off-by: Alexandre Belloni <[email protected]>
2016-03-21Merge tag 'mmc-v4.6' of git://git.linaro.org/people/ulf.hansson/mmcLinus Torvalds64-777/+1171
Pull MMC updates from Ulf Hansson: "MMC core: - Fix ABI regression of MMC BLK ioctl - Remove the unused MMC_DATA_STREAM flag - Enable asynchronous system PM for the host device - Minor fixes and clean-ups SDHCI host: Throughout the years, the numbers of SDHCI variants have increased and so has also the numbers of SDHCI callbacks/quirks. The purpose of these callbacks/quirks were to enable SDHCI to deal with variant specific requirements, but unfortunate this method didn't scale. Instead we have ended up with a mess. Not only did the code become suboptimal but also highly fragile. Lately many discussions of how to move forward with SDHCI has taken place at the MMC mailing list. Step by step, we aim to turn SDHCI's common code into a set of library functions. This will enable for optimizations and allow some of the existing callbacks and quirks to be removed, which also should help to make the code less fragile. Therefore I am also really pleased to announce that Adrian Hunter (Intel) has volunteered to step in as the maintainer for SDHCI. Future wise, I hope the community around SDHCI will continue to grow and that this release cycle can be the starting point of moving SDHCI into a better shape. As a matter of fact, already in this cycle the re-factoring has begun, but of course there are also fixes and new features included. Some highlights: - sdhci-iproc: Add support for Broadcom's BCM2835 eMMC IP - sdhci-acpi: Add support for QCOM controllers - sdhci-pic32: Add new SDHCI variant for PIC32MZDA Other hosts: - atmel-mci: Fix a NULL pointer dereference - mediatek: Add SD write-protect support - mmc_spi: Fix card detect in GPIO case - tmio/sdhi: Add r8a7795 support - tmio/sdhi: Some fixes and clean-ups - dw_mmc: Add HW reset support - dw_mmc: Some fixes and clean-ups - sunxi: Add support for MMC DDR52 mode" * tag 'mmc-v4.6' of git://git.linaro.org/people/ulf.hansson/mmc: (123 commits) mmc: sdhci-of-at91: fix wake-up issue when using runtime pm mmc: sdhci-pci: Do not set DMA mask in enable_dma() mmc: sdhci-acpi: Remove enable_dma() hook mmc: sdhci: Set DMA mask when adding host mmc: block: fix ABI regression of mmc_blk_ioctl mmc: atmel-mci: Check pdata for NULL before dereferencing it at DMA config mmc: core: remove redundant memset of sdio_read_cccr mmc: core: remove redundant memset of mmc_decode_cid mmc: of_mmc_spi: fix unused warning mmc: sdhci-of-arasan: add phy support for sdhci-of-arasan mmc: sdhci-of-arasan: fix missing sdhci_pltfm_free for err handling mmc: sdhci-of-arasan: remove disable clk_ahb from sdhci_arasan_resume Documentation: bindings: add description of phy for sdhci-of-arasan mmc: sdhci: Fix override of timeout clk wrt max_busy_timeout mmc: mmci: Remove unnecessary header file mmc: sdhci-acpi: add QCOM controllers mmc: tegra: implement memcomp pad calibration mmc: mediatek: Use mmc_regulator_set_vqmmc in start_signal_voltage_switch mmc: mediatek: Change signal voltage error to dev_dbg() mmc: sh_mmcif, tmio: Use ARCH_RENESAS ...
2016-03-21Merge branches 'i40iw', 'sriov' and 'hfi1' into k.o/for-4.6Doug Ledford224-17223/+24043
2016-03-21Merge tag 'md/4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/mdLinus Torvalds9-40/+58
Pull MD updates from Shaohua Li: "This update mainly fixes bugs. - a raid5 discard related fix from Jes - a MD multipath bio clone fix from Ming - raid1 error handling deadlock fix from Nate and corresponding raid10 fix from myself - a raid5 stripe batch fix from Neil - a patch from Sebastian to avoid unnecessary uevent - several cleanup/debug patches" * tag 'md/4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md: md/raid5: Cleanup cpu hotplug notifier raid10: include bio_end_io_list in nr_queued to prevent freeze_array hang raid1: include bio_end_io_list in nr_queued to prevent freeze_array hang md: fix typos for stipe md/bitmap: remove redundant return in bitmap_checkpage md/raid1: remove unnecessary BUG_ON md: multipath: don't hardcopy bio in .make_request path md/raid5: output stripe state for debug md/raid5: preserve STRIPE_PREREAD_ACTIVE in break_stripe_batch_list Update MD git tree URL md/bitmap: remove redundant check MD: warn for potential deadlock md: Drop sending a change uevent when stopping RAID5: revert e9e4c377e2f563 to fix a livelock RAID5: check_reshape() shouldn't call mddev_suspend md/raid5: Compare apples to apples (or sectors to sectors)
2016-03-21IB/ipoib: Allow mcast packets from other VFsEli Cohen1-7/+20
With SRIOV enabled, two VFs on the same HCA which have the same port LID and may have the same QP number. To enable receiving multicasts from such VFs, further qualify the check: ignore the receive only if, in addition, the packet source gid equals the receiving VF's source gid. Signed-off-by: Eli Cohen <[email protected]> Reviewed-by: Or Gerlitz <[email protected]> Signed-off-by: Doug Ledford <[email protected]>
2016-03-21IB/mlx5: Implement callbacks for manipulating VFsEli Cohen6-2/+223
Implement the IB defined callbacks used to manipulate the policy for the link state, set GUIDs or get statistics information. This functionality is added into a new file that will be used to add any SRIOV related functionality to the mlx5 IB layer. The following callbacks have been added: mlx5_ib_get_vf_config mlx5_ib_set_vf_link_state mlx5_ib_get_vf_stats mlx5_ib_set_vf_guid In addition, publish whether this device is based on a virtual function. In mlx5 supported devices, virtual functions are implemented as vHCAs. vHCAs have their own QP number space so it is possible that two vHCAs will use a QP with the same number at the same time. Signed-off-by: Eli Cohen <[email protected]> Reviewed-by: Or Gerlitz <[email protected]> Signed-off-by: Doug Ledford <[email protected]>
2016-03-21net/mlx5_core: Implement modify HCA vport commandEli Cohen3-0/+77
Implement the modify HCA vport commands used to modify the parameters of virtual HCA's ports. Signed-off-by: Eli Cohen <[email protected]> Reviewed-by: Or Gerlitz <[email protected]> Signed-off-by: Doug Ledford <[email protected]>
2016-03-21net/mlx5_core: Add VF param when querying vport counterEli Cohen3-4/+6
Add a vf parameter to mlx5_core_query_vport_counter so we can call it to query counters of virtual functions. Also update current users of the API. PFs may call mlx5_core_query_vport_counter with other_vport set to indicate that they are querying a virtual function. The virtual function to be queried is given by the vf parameter. Virtual function numbering is zero based so the first VF is 0 and so on. When a PF queries its own function, the other_vport parameter is cleared. Signed-off-by: Eli Cohen <[email protected]> Reviewed-by: Or Gerlitz <[email protected]> Signed-off-by: Doug Ledford <[email protected]>
2016-03-21IB/ipoib: Add ndo operations for configuring VFsEli Cohen1-2/+63
Add ndo operations to the network driver that enables configuring the following operations: ipoib_set_vf_link_state - configure the VF link policy ipoib_get_vf_config - get link state configuration ipoib_set_vf_guid - set a VF port or node GUID ipoib_get_vf_stats - get statistics of a VF Signed-off-by: Eli Cohen <[email protected]> Reviewed-by: Or Gerlitz <[email protected]> Signed-off-by: Doug Ledford <[email protected]>
2016-03-21IB/core: Add interfaces to control VF attributesEli Cohen2-0/+59
Following the practice exercised for network devices which allow the PF net device to configure attributes of its virtual functions, we introduce the following functions to be used by IPoIB which is the network driver implementation for IB devices. ib_set_vf_link_state - set the policy for a VF link. More below. ib_get_vf_config - read configuration information of a VF ib_get_vf_stats - read VF statistics ib_set_vf_guid - set the node or port GUID of a VF Also add an indication in the device cap flags that indicates that this IB devices is based on a virtual function. A VF shares the physical port with the PF and other VFs. When setting the link state we have three options: 1. Auto - in this mode, the virtual port follows the state of the physical port and becomes active only if the physical port's state is active. In all other cases it remains in a Down state. 2. Down - sets the state of the virtual port to Down 3. Up - causes the virtual port to transition into Initialize state if it was not already in this state. A virtualization aware subnet manager can then bring the state of the port into the Active state. Signed-off-by: Eli Cohen <[email protected]> Reviewed-by: Or Gerlitz <[email protected]> Signed-off-by: Doug Ledford <[email protected]>
2016-03-21[media] vsp1: use proper dma alloc/free functionsLinus Torvalds1-2/+2
I noticed this while merging the drm tree and checking for stragglers: the vsp1 driver still used dma_[alloc|free]_writecombine() that got renamed in commit f6e45661f9be ("dma, mm/pat: Rename dma_*_writecombine() to dma_*_wc()") I should have noticed back in the media merge (commit bace3db5da97), but better late than never. Signed-off-by: Linus Torvalds <[email protected]>
2016-03-21Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds686-27593/+39064
Pull drm updates from Dave Airlie: "This is the main drm pull request for 4.6 kernel. Overall the coolest thing here for me is the nouveau maxwell signed firmware support from NVidia, it's taken a long while to extract this from them. I also wish the ARM vendors just designed one set of display IP, ARM display block proliferation is definitely increasing. Core: - drm_event cleanups - Internal API cleanup making mode_fixup optional. - Apple GMUX vga switcheroo support. - DP AUX testing interface Panel: - Refactoring of DSI core for use over more transports. New driver: - ARM hdlcd driver i915: - FBC/PSR (framebuffer compression, panel self refresh) enabled by default. - Ongoing atomic display support work - Ongoing runtime PM work - Pixel clock limit checks - VBT DSI description support - GEM fixes - GuC firmware scheduler enhancements amdkfd: - Deferred probing fixes to avoid make file or link ordering. amdgpu/radeon: - ACP support for i2s audio support. - Command Submission/GPU scheduler/GPUVM optimisations - Initial GPU reset support for amdgpu vmwgfx: - Support for DX10 gen mipmaps - Pageflipping and other fixes. exynos: - Exynos5420 SoC support for FIMD - Exynos5422 SoC support for MIPI-DSI nouveau: - GM20x secure boot support - adds acceleration for Maxwell GPUs. - GM200 support - GM20B clock driver support - Power sensors work etnaviv: - Correctness fixes for GPU cache flushing - Better support for i.MX6 systems. imx-drm: - VBlank IRQ support - Fence support - OF endpoint support msm: - HDMI support for 8996 (snapdragon 820) - Adreno 430 support - Timestamp queries support virtio-gpu: - Fixes for Android support. rockchip: - Add support for Innosilicion HDMI rcar-du: - Support for 4 crtcs - R8A7795 support - RCar Gen 3 support omapdrm: - HDMI interlace output support - dma-buf import support - Refactoring to remove a lot of legacy code. tilcdc: - Rewrite of pageflipping code - dma-buf support - pinctrl support vc4: - HDMI modesetting bug fixes - Significant 3D performance improvement. fsl-dcu (FreeScale): - Lots of fixes tegra: - Two small fixes sti: - Atomic support for planes - Improved HDMI support" * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (1063 commits) drm/amdgpu: release_pages requires linux/pagemap.h drm/sti: restore mode_fixup callback drm/amdgpu/gfx7: add MTYPE definition drm/amdgpu: removing BO_VAs shouldn't be interruptible drm/amd/powerplay: show uvd/vce power gate enablement for tonga. drm/amd/powerplay: show uvd/vce power gate info for fiji drm/amdgpu: use sched fence if possible drm/amdgpu: move ib.fence to job.fence drm/amdgpu: give a fence param to ib_free drm/amdgpu: include the right version of gmc header files for iceland drm/radeon: fix indentation. drm/amd/powerplay: add uvd/vce dpm enabling flag to fix the performance issue for CZ drm/amdgpu: switch back to 32bit hw fences v2 drm/amdgpu: remove amdgpu_fence_is_signaled drm/amdgpu: drop the extra fence range check v2 drm/amdgpu: signal fences directly in amdgpu_fence_process drm/amdgpu: cleanup amdgpu_fence_wait_empty v2 drm/amdgpu: keep all fences in an RCU protected array v2 drm/amdgpu: add number of hardware submissions to amdgpu_fence_driver_init_ring drm/amdgpu: RCU protected amd_sched_fence_release ...
2016-03-21perf bench numa: Fix assertion for nodes bitfieldJakub Jelen1-1/+1
Comparing bits and bytes in numa benchmark assertion I hit the issue on two socket Power8 machine presenting its numa nodes as 0,1,16,17 (according to numactl). Therefore I got error (and hang of parent process): perf: bench/numa.c:296: bind_to_memnode: Assertion `!(g->p.nr_nodes > (int)sizeof(nodemask))' failed. This is obviously false positive. We can fit all the 18 nodes into bitfield of 8 bytes (long on 64b architecture). Signed-off-by: Jakub Jelen <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Jakub Jelen <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: [email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
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