Commit Graph

943466 Commits

Author SHA1 Message Date
Linus Torvalds
2044513ffe arch/csky patches for 5.9-rc1
Features:
  - seccomp-filter
  - err-injection
  - top-down&random mmap-layout
  - irq_work
  - show_ipi
  - context-tracking)
 
 Fixup & Optimize:
  - kprobe_on_ftrace
  - optimize panic print
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Merge tag 'csky-for-linus-5.9-rc1' of https://github.com/c-sky/csky-linux

Pull arch/csky updates from Guo Ren:
 "New features:
   - seccomp-filter
   - err-injection
   - top-down&random mmap-layout
   - irq_work
   - show_ipi
   - context-tracking

  Fixes & Optimizations:
   - kprobe_on_ftrace
   - optimize panic print"

* tag 'csky-for-linus-5.9-rc1' of https://github.com/c-sky/csky-linux:
  csky: Add context tracking support
  csky: Add arch_show_interrupts for IPI interrupts
  csky: Add irq_work support
  csky: Fixup warning by EXPORT_SYMBOL(kmap)
  csky: Set CONFIG_NR_CPU 4 as default
  csky: Use top-down mmap layout
  csky: Optimize the trap processing flow
  csky: Add support for function error injection
  csky: Fixup kprobes handler couldn't change pc
  csky: Fixup duplicated restore sp in RESTORE_REGS_FTRACE
  csky: Add cpu feature register hint for smp
  csky: Add SECCOMP_FILTER supported
  csky: remove unusued thread_saved_pc and *_segments functions/macros
2020-08-06 10:15:28 -07:00
Linus Torvalds
bbcf9cd157 Xtensa updates for v5.9:
- add syscall audit support
 - add seccomp filter support
 - clean up make rules under arch/xtensa/boot
 - fix state management for exclusive access opcodes
 - fix build with PMU enabled
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Merge tag 'xtensa-20200805' of git://github.com/jcmvbkbc/linux-xtensa

Pull Xtensa updates from Max Filippov:

 - add syscall audit support

 - add seccomp filter support

 - clean up make rules under arch/xtensa/boot

 - fix state management for exclusive access opcodes

 - fix build with PMU enabled

* tag 'xtensa-20200805' of git://github.com/jcmvbkbc/linux-xtensa:
  xtensa: add missing exclusive access state management
  xtensa: fix xtensa_pmu_setup prototype
  xtensa: add boot subdirectories build artifacts to 'targets'
  xtensa: add uImage and xipImage to targets
  xtensa: move vmlinux.bin[.gz] to boot subdirectory
  xtensa: initialize_mmu.h: fix a duplicated word
  selftests/seccomp: add xtensa support
  xtensa: add seccomp support
  xtensa: expose syscall through user_pt_regs
  xtensa: add audit support
2020-08-06 10:07:40 -07:00
Linus Torvalds
9ab9bc5115 hyperv-next for 5.9
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Merge tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv updates from Wei Liu:

 - A patch series from Andrea to improve vmbus code

 - Two clean-up patches from Alexander and Randy

* tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  hyperv: hyperv.h: drop a duplicated word
  tools: hv: change http to https in hv_kvp_daemon.c
  Drivers: hv: vmbus: Remove the lock field from the vmbus_channel struct
  scsi: storvsc: Introduce the per-storvsc_device spinlock
  Drivers: hv: vmbus: Remove unnecessary channel->lock critical sections (sc_list updaters)
  Drivers: hv: vmbus: Use channel_mutex in channel_vp_mapping_show()
  Drivers: hv: vmbus: Remove unnecessary channel->lock critical sections (sc_list readers)
  Drivers: hv: vmbus: Replace cpumask_test_cpu(, cpu_online_mask) with cpu_online()
  Drivers: hv: vmbus: Remove the numa_node field from the vmbus_channel struct
  Drivers: hv: vmbus: Remove the target_vp field from the vmbus_channel struct
2020-08-06 09:26:10 -07:00
Linus Torvalds
47ec5303d7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller:

 1) Support 6Ghz band in ath11k driver, from Rajkumar Manoharan.

 2) Support UDP segmentation in code TSO code, from Eric Dumazet.

 3) Allow flashing different flash images in cxgb4 driver, from Vishal
    Kulkarni.

 4) Add drop frames counter and flow status to tc flower offloading,
    from Po Liu.

 5) Support n-tuple filters in cxgb4, from Vishal Kulkarni.

 6) Various new indirect call avoidance, from Eric Dumazet and Brian
    Vazquez.

 7) Fix BPF verifier failures on 32-bit pointer arithmetic, from
    Yonghong Song.

 8) Support querying and setting hardware address of a port function via
    devlink, use this in mlx5, from Parav Pandit.

 9) Support hw ipsec offload on bonding slaves, from Jarod Wilson.

10) Switch qca8k driver over to phylink, from Jonathan McDowell.

11) In bpftool, show list of processes holding BPF FD references to
    maps, programs, links, and btf objects. From Andrii Nakryiko.

12) Several conversions over to generic power management, from Vaibhav
    Gupta.

13) Add support for SO_KEEPALIVE et al. to bpf_setsockopt(), from Dmitry
    Yakunin.

14) Various https url conversions, from Alexander A. Klimov.

15) Timestamping and PHC support for mscc PHY driver, from Antoine
    Tenart.

16) Support bpf iterating over tcp and udp sockets, from Yonghong Song.

17) Support 5GBASE-T i40e NICs, from Aleksandr Loktionov.

18) Add kTLS RX HW offload support to mlx5e, from Tariq Toukan.

19) Fix the ->ndo_start_xmit() return type to be netdev_tx_t in several
    drivers. From Luc Van Oostenryck.

20) XDP support for xen-netfront, from Denis Kirjanov.

21) Support receive buffer autotuning in MPTCP, from Florian Westphal.

22) Support EF100 chip in sfc driver, from Edward Cree.

23) Add XDP support to mvpp2 driver, from Matteo Croce.

24) Support MPTCP in sock_diag, from Paolo Abeni.

25) Commonize UDP tunnel offloading code by creating udp_tunnel_nic
    infrastructure, from Jakub Kicinski.

26) Several pci_ --> dma_ API conversions, from Christophe JAILLET.

27) Add FLOW_ACTION_POLICE support to mlxsw, from Ido Schimmel.

28) Add SK_LOOKUP bpf program type, from Jakub Sitnicki.

29) Refactor a lot of networking socket option handling code in order to
    avoid set_fs() calls, from Christoph Hellwig.

30) Add rfc4884 support to icmp code, from Willem de Bruijn.

31) Support TBF offload in dpaa2-eth driver, from Ioana Ciornei.

32) Support XDP_REDIRECT in qede driver, from Alexander Lobakin.

33) Support PCI relaxed ordering in mlx5 driver, from Aya Levin.

34) Support TCP syncookies in MPTCP, from Flowian Westphal.

35) Fix several tricky cases of PMTU handling wrt. briding, from Stefano
    Brivio.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2056 commits)
  net: thunderx: initialize VF's mailbox mutex before first usage
  usb: hso: remove bogus check for EINPROGRESS
  usb: hso: no complaint about kmalloc failure
  hso: fix bailout in error case of probe
  ip_tunnel_core: Fix build for archs without _HAVE_ARCH_IPV6_CSUM
  selftests/net: relax cpu affinity requirement in msg_zerocopy test
  mptcp: be careful on subflow creation
  selftests: rtnetlink: make kci_test_encap() return sub-test result
  selftests: rtnetlink: correct the final return value for the test
  net: dsa: sja1105: use detected device id instead of DT one on mismatch
  tipc: set ub->ifindex for local ipv6 address
  ipv6: add ipv6_dev_find()
  net: openvswitch: silence suspicious RCU usage warning
  Revert "vxlan: fix tos value before xmit"
  ptp: only allow phase values lower than 1 period
  farsync: switch from 'pci_' to 'dma_' API
  wan: wanxl: switch from 'pci_' to 'dma_' API
  hv_netvsc: do not use VF device if link is down
  dpaa2-eth: Fix passing zero to 'PTR_ERR' warning
  net: macb: Properly handle phylink on at91sam9x
  ...
2020-08-05 20:13:21 -07:00
Linus Torvalds
8186749621 drm next for 5.9-rc1
core:
 - add user def flag to cmd line modes
 - dma_fence_wait added might_sleep
 - dma-fence lockdep annotations
 - indefinite fences are bad documentation
 - gem CMA functions used in more drivers
 - struct mutex removal
 - more drm_ debug macro usage
 - set/drop master api fixes
 - fix for drm/mm hole size comparison
 - drm/mm remove invalid entry optimization
 - optimise drm/mm hole handling
 - VRR debugfs added
 - uncompressed AFBC modifier support
 - multiple display id blocks in EDID
 - multiple driver sg handling fixes
 - __drm_atomic_helper_crtc_reset in all drivers
 - managed vram helpers
 
 ttm:
 - ttm_mem_reg handling cleanup
 - remove bo offset field
 - drop CMA memtype flag
 - drop mappable flag
 
 xilinx:
 - New Xilinx ZynqMP DisplayPort Subsystem driver
 
 nouveau:
 - add CRC support
 - start using NVIDIA published class header files
 - convert all push buffer emission to new macros
 - Proper push buffer space management for EVO/NVD channels.
 - firmware loading fixes
 - 2MiB system memory pages support on Pascal and newer
 
 vkms:
 - larget cursor support
 
 i915:
 - Rocketlake platform enablement
 - Early DG1 enablement
 - Numerous GEM refactorings
 - DP MST fixes
 - FBC, PSR, Cursor, Color, Gamma fixes
 - TGL, RKL, EHL workaround updates
 - TGL 8K display support fixes
 - SDVO/HDMI/DVI fixes
 
 amdgpu:
 - Initial support for Sienna Cichlid GPU
 - Initial support for Navy Flounder GPU
 - SI UVD/VCE support
 - expose rotation property
 - Add support for unique id on Arcturus
 - Enable runtime PM on vega10 boards that support BACO
 - Skip BAR resizing if the bios already did id
 - Major swSMU code cleanup
 - Fixes for DCN bandwidth calculations
 
 amdkfd:
 - Track SDMA usage per process
 - SMI events interface
 
 radeon:
 - Default to on chip GART for AGP boards on all arches
 - Runtime PM reference count fixes
 
 msm:
 - headers regenerated causing churn
 - a650/a640 display and GPU enablement
 - dpu dither support for 6bpc panels
 - dpu cursor fix
 - dsi/mdp5 enablement for sdm630/sdm636/sdm66
 
 tegra:
 - video capture prep support
 - reflection support
 
 mediatek:
 - convert mtk_dsi to bridge API
 
 meson:
 - FBC support
 
 sun4i:
 - iommu support
 
 rockchip:
 - register locking fix
 - per-pixel alpha support PX30 VOP
 
 -
 mgag200:
 - ported to simple and shmem helpers
 - device init cleanups
 - use managed pci functions
 - dropped hw cursor support
 
 ast:
 - use managed pci functions
 - use managed VRAM helpers
 - rework cursor support
 
 malidp:
 - dev_groups support
 
 hibmc:
 - refactor hibmc_drv_vdac:
 
 vc4:
 - create TXP CRTC
 
 imx:
 - error path fixes and cleanups
 
 etnaviv:
 - clock handling and error handling cleanups
 - use pin_user_pages
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Merge tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "New xilinx displayport driver, AMD support for two new GPUs (more
  header files), i915 initial support for RocketLake and some work on
  their DG1 (discrete chip).

  The core also grew some lockdep annotations to try and constrain what
  drivers do with dma-fences, and added some documentation on why the
  idea of indefinite fences doesn't work.

  The long list is below.

  I do have some fixes trees outstanding, but I'll follow up with those
  later.

  core:
   - add user def flag to cmd line modes
   - dma_fence_wait added might_sleep
   - dma-fence lockdep annotations
   - indefinite fences are bad documentation
   - gem CMA functions used in more drivers
   - struct mutex removal
   - more drm_ debug macro usage
   - set/drop master api fixes
   - fix for drm/mm hole size comparison
   - drm/mm remove invalid entry optimization
   - optimise drm/mm hole handling
   - VRR debugfs added
   - uncompressed AFBC modifier support
   - multiple display id blocks in EDID
   - multiple driver sg handling fixes
   - __drm_atomic_helper_crtc_reset in all drivers
   - managed vram helpers

  ttm:
   - ttm_mem_reg handling cleanup
   - remove bo offset field
   - drop CMA memtype flag
   - drop mappable flag

  xilinx:
   - New Xilinx ZynqMP DisplayPort Subsystem driver

  nouveau:
   - add CRC support
   - start using NVIDIA published class header files
   - convert all push buffer emission to new macros
   - Proper push buffer space management for EVO/NVD channels.
   - firmware loading fixes
   - 2MiB system memory pages support on Pascal and newer

  vkms:
   - larger cursor support

  i915:
   - Rocketlake platform enablement
   - Early DG1 enablement
   - Numerous GEM refactorings
   - DP MST fixes
   - FBC, PSR, Cursor, Color, Gamma fixes
   - TGL, RKL, EHL workaround updates
   - TGL 8K display support fixes
   - SDVO/HDMI/DVI fixes

  amdgpu:
   - Initial support for Sienna Cichlid GPU
   - Initial support for Navy Flounder GPU
   - SI UVD/VCE support
   - expose rotation property
   - Add support for unique id on Arcturus
   - Enable runtime PM on vega10 boards that support BACO
   - Skip BAR resizing if the bios already did id
   - Major swSMU code cleanup
   - Fixes for DCN bandwidth calculations

  amdkfd:
   - Track SDMA usage per process
   - SMI events interface

  radeon:
   - Default to on chip GART for AGP boards on all arches
   - Runtime PM reference count fixes

  msm:
   - headers regenerated causing churn
   - a650/a640 display and GPU enablement
   - dpu dither support for 6bpc panels
   - dpu cursor fix
   - dsi/mdp5 enablement for sdm630/sdm636/sdm66

  tegra:
   - video capture prep support
   - reflection support

  mediatek:
   - convert mtk_dsi to bridge API

  meson:
   - FBC support

  sun4i:
   - iommu support

  rockchip:
   - register locking fix
   - per-pixel alpha support PX30 VOP

  mgag200:
   - ported to simple and shmem helpers
   - device init cleanups
   - use managed pci functions
   - dropped hw cursor support

  ast:
   - use managed pci functions
   - use managed VRAM helpers
   - rework cursor support

  malidp:
   - dev_groups support

  hibmc:
   - refactor hibmc_drv_vdac:

  vc4:
   - create TXP CRTC

  imx:
   - error path fixes and cleanups

  etnaviv:
   - clock handling and error handling cleanups
   - use pin_user_pages"

* tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm: (1747 commits)
  drm/msm: use kthread_create_worker instead of kthread_run
  drm/msm/mdp5: Add MDP5 configuration for SDM636/660
  drm/msm/dsi: Add DSI configuration for SDM660
  drm/msm/mdp5: Add MDP5 configuration for SDM630
  drm/msm/dsi: Add phy configuration for SDM630/636/660
  drm/msm/a6xx: add A640/A650 hwcg
  drm/msm/a6xx: hwcg tables in gpulist
  drm/msm/dpu: add SM8250 to hw catalog
  drm/msm/dpu: add SM8150 to hw catalog
  drm/msm/dpu: intf timing path for displayport
  drm/msm/dpu: set missing flush bits for INTF_2 and INTF_3
  drm/msm/dpu: don't use INTF_INPUT_CTRL feature on sdm845
  drm/msm/dpu: move some sspp caps to dpu_caps
  drm/msm/dpu: update UBWC config for sm8150 and sm8250
  drm/msm/dpu: use right setup_blend_config for sm8150 and sm8250
  drm/msm/a6xx: set ubwc config for A640 and A650
  drm/msm/adreno: un-open-code some packets
  drm/msm: sync generated headers
  drm/msm/a6xx: add build_bw_table for A640/A650
  drm/msm/a6xx: fix crashstate capture for A650
  ...
2020-08-05 19:50:06 -07:00
Linus Torvalds
e4a7b2dc35 LEDs changes for 5.9-rc1.
Okay, so... this one is interesting. RGB LEDs are very common, and we
 need to have some kind of support for them. Multicolor is for
 arbitrary set of LEDs in one package, RGB is for LEDs that can produce
 full range of colors. We do not have real multicolor LED that is not
 RGB in the pipeline, so that one is disabled for now.
 
 You can expect this saga to continue with next pull requests.
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Merge tag 'leds-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds

Pull LED updates from Pavel Machek:
 "Okay, so... this one is interesting. RGB LEDs are very common, and we
  need to have some kind of support for them. Multicolor is for
  arbitrary set of LEDs in one package, RGB is for LEDs that can produce
  full range of colors. We do not have real multicolor LED that is not
  RGB in the pipeline, so that one is disabled for now.

  You can expect this saga to continue with next pull requests"

* tag 'leds-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds: (37 commits)
  MAINTAINERS: Remove myself as LED subsystem maintainer
  leds: disallow /sys/class/leds/*:multi:* for now
  leds: add RGB color option, as that is different from multicolor.
  Make LEDS_LP55XX_COMMON depend on I2C to fix build errors:
  Documentation: ABI: leds-turris-omnia: document sysfs attribute
  leds: initial support for Turris Omnia LEDs
  dt-bindings: leds: add cznic,turris-omnia-leds binding
  leds: pattern trigger -- check pattern for validity
  leds: Replace HTTP links with HTTPS ones
  leds: trigger: add support for LED-private device triggers
  leds: lp5521: Add multicolor framework multicolor brightness support
  leds: lp5523: Update the lp5523 code to add multicolor brightness function
  leds: lp55xx: Add multicolor framework support to lp55xx
  leds: lp55xx: Convert LED class registration to devm_*
  dt-bindings: leds: Convert leds-lp55xx to yaml
  leds: multicolor: Introduce a multicolor class definition
  leds: Add multicolor ID to the color ID list
  dt: bindings: Add multicolor class dt bindings documention
  leds: lp5523: Fix various formatting issues in the code
  leds: lp55xx: Fix file permissions to use DEVICE_ATTR macros
  ...
2020-08-05 19:24:27 -07:00
Dean Nelson
c1055b76ad net: thunderx: initialize VF's mailbox mutex before first usage
A VF's mailbox mutex is not getting initialized by nicvf_probe() until after
it is first used. And such usage is resulting in...

[   28.270927] ------------[ cut here ]------------
[   28.270934] DEBUG_LOCKS_WARN_ON(lock->magic != lock)
[   28.270980] WARNING: CPU: 9 PID: 675 at kernel/locking/mutex.c:938 __mutex_lock+0xdac/0x12f0
[   28.270985] Modules linked in: ast(+) nicvf(+) i2c_algo_bit drm_vram_helper drm_ttm_helper ttm nicpf(+) drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm ixgbe(+) sg thunder_bgx mdio i2c_thunderx mdio_thunder thunder_xcv mdio_cavium dm_mirror dm_region_hash dm_log dm_mod
[   28.271064] CPU: 9 PID: 675 Comm: systemd-udevd Not tainted 4.18.0+ #1
[   28.271070] Hardware name: GIGABYTE R120-T34-00/MT30-GS2-00, BIOS F02 08/06/2019
[   28.271078] pstate: 60000005 (nZCv daif -PAN -UAO)
[   28.271086] pc : __mutex_lock+0xdac/0x12f0
[   28.271092] lr : __mutex_lock+0xdac/0x12f0
[   28.271097] sp : ffff800d42146fb0
[   28.271103] x29: ffff800d42146fb0 x28: 0000000000000000
[   28.271113] x27: ffff800d24361180 x26: dfff200000000000
[   28.271122] x25: 0000000000000000 x24: 0000000000000002
[   28.271132] x23: ffff20001597cc80 x22: ffff2000139e9848
[   28.271141] x21: 0000000000000000 x20: 1ffff001a8428e0c
[   28.271151] x19: ffff200015d5d000 x18: 1ffff001ae0f2184
[   28.271160] x17: 0000000000000000 x16: 0000000000000000
[   28.271170] x15: ffff800d70790c38 x14: ffff20001597c000
[   28.271179] x13: ffff20001597cc80 x12: ffff040002b2f779
[   28.271189] x11: 1fffe40002b2f778 x10: ffff040002b2f778
[   28.271199] x9 : 0000000000000000 x8 : 00000000f1f1f1f1
[   28.271208] x7 : 00000000f2f2f2f2 x6 : 0000000000000000
[   28.271217] x5 : 1ffff001ae0f2186 x4 : 1fffe400027eb03c
[   28.271227] x3 : dfff200000000000 x2 : ffff1001a8428dbe
[   28.271237] x1 : c87fdfac7ea11d00 x0 : 0000000000000000
[   28.271246] Call trace:
[   28.271254]  __mutex_lock+0xdac/0x12f0
[   28.271261]  mutex_lock_nested+0x3c/0x50
[   28.271297]  nicvf_send_msg_to_pf+0x40/0x3a0 [nicvf]
[   28.271316]  nicvf_register_misc_interrupt+0x20c/0x328 [nicvf]
[   28.271334]  nicvf_probe+0x508/0xda0 [nicvf]
[   28.271344]  local_pci_probe+0xc4/0x180
[   28.271352]  pci_device_probe+0x3ec/0x528
[   28.271363]  driver_probe_device+0x21c/0xb98
[   28.271371]  device_driver_attach+0xe8/0x120
[   28.271379]  __driver_attach+0xe0/0x2a0
[   28.271386]  bus_for_each_dev+0x118/0x190
[   28.271394]  driver_attach+0x48/0x60
[   28.271401]  bus_add_driver+0x328/0x558
[   28.271409]  driver_register+0x148/0x398
[   28.271416]  __pci_register_driver+0x14c/0x1b0
[   28.271437]  nicvf_init_module+0x54/0x10000 [nicvf]
[   28.271447]  do_one_initcall+0x18c/0xc18
[   28.271457]  do_init_module+0x18c/0x618
[   28.271464]  load_module+0x2bc0/0x4088
[   28.271472]  __se_sys_finit_module+0x110/0x188
[   28.271479]  __arm64_sys_finit_module+0x70/0xa0
[   28.271490]  el0_svc_handler+0x15c/0x380
[   28.271496]  el0_svc+0x8/0xc
[   28.271502] irq event stamp: 52649
[   28.271513] hardirqs last  enabled at (52649): [<ffff200011b4d790>] _raw_spin_unlock_irqrestore+0xc0/0xd8
[   28.271522] hardirqs last disabled at (52648): [<ffff200011b4d3c4>] _raw_spin_lock_irqsave+0x3c/0xf0
[   28.271530] softirqs last  enabled at (52330): [<ffff200010082af4>] __do_softirq+0xacc/0x117c
[   28.271540] softirqs last disabled at (52313): [<ffff20001019b354>] irq_exit+0x3cc/0x500
[   28.271545] ---[ end trace a9b90324c8a0d4ee ]---

This problem is resolved by moving the call to mutex_init() up earlier
in nicvf_probe().

Fixes: 609ea65c65 ("net: thunderx: add mutex to protect mailbox from concurrent calls for same VF")
Signed-off-by: Dean Nelson <dnelson@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 17:50:34 -07:00
David S. Miller
0063fc3db4 Merge branch 'misc-bug-fixes-for-the-hso-driver'
Oliver Neukum says:

====================
misc bug fixes for the hso driver

1. Code reuse led to an unregistration of a net driver that has not been
registered
2. The kernel complains generically if kmalloc with GFP_KERNEL fails
3. A race that can lead to an URB that is in use being reused or
a use after free
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 17:43:39 -07:00
Oliver Neukum
abaf00ff04 usb: hso: remove bogus check for EINPROGRESS
This check an inherent race. It opens a race where
an error code has already been set or cleared yet
the URB has not been given back. We cannot do
such an optimization and must unlink unconditionally.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 17:43:39 -07:00
Oliver Neukum
11c5f6d2f2 usb: hso: no complaint about kmalloc failure
If this fails, kmalloc() will print a report including
a stack trace. There is no need for a separate complaint.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 17:43:39 -07:00
Oliver Neukum
5fcfb6d0bf hso: fix bailout in error case of probe
The driver tries to reuse code for disconnect in case
of a failed probe.
If resources need to be freed after an error in probe, the
netdev must not be freed because it has never been registered.
Fix it by telling the helper which path we are in.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 17:43:38 -07:00
Jacek Anaszewski
bba37471de MAINTAINERS: Remove myself as LED subsystem maintainer
It don't have enough time for reviewing patches and thus don't
want to be listed as regular LED maintainer. Nonetheless I may still
give a review from time to time.

Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
2020-08-05 23:27:51 +02:00
Linus Torvalds
fffe3ae0ee hmm related patches for 5.9
This series adds reporting of the page table order from hmm_range_fault()
 and some optimization of migrate_vma():
 
 - Report the size of the page table mapping out of hmm_range_fault(). This
   makes it easier to establish a large/huge/etc mapping in the device's
   page table.
 
 - Allow devices to ignore the invalidations during migration in cases
   where the migration is not going to change pages. For instance migrating
   pages to a device does not require the device to invalidate pages
   already in the device.
 
 - Update nouveau and hmm_tests to use the above
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Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull hmm updates from Jason Gunthorpe:
 "Ralph has been working on nouveau's use of hmm_range_fault() and
  migrate_vma() which resulted in this small series. It adds reporting
  of the page table order from hmm_range_fault() and some optimization
  of migrate_vma():

   - Report the size of the page table mapping out of hmm_range_fault().

     This makes it easier to establish a large/huge/etc mapping in the
     device's page table.

   - Allow devices to ignore the invalidations during migration in cases
     where the migration is not going to change pages.

     For instance migrating pages to a device does not require the
     device to invalidate pages already in the device.

   - Update nouveau and hmm_tests to use the above"

* tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  mm/hmm/test: use the new migration invalidation
  nouveau/svm: use the new migration invalidation
  mm/notifier: add migration invalidation type
  mm/migrate: add a flags parameter to migrate_vma
  nouveau: fix storing invalid ptes
  nouveau/hmm: support mapping large sysmem pages
  nouveau: fix mapping 2MB sysmem pages
  nouveau/hmm: fault one page at a time
  mm/hmm: add tests for hmm_pfn_to_map_order()
  mm/hmm: provide the page mapping order in hmm_range_fault()
2020-08-05 13:28:50 -07:00
Linus Torvalds
8f7be62915 MMC core:
- Add a new host cap bit and a corresponding DT property, to support power
 cycling of the card by FW at system suspend/resume.
  - Fix clock rate setting for SDIO in SDR12/SDR25 speed-mode
  - Fix switch to 1/4-bit mode at system suspend/resume for SD-combo cards
  - Convert the mmc-pwrseq DT bindings to the json-schema
  - Always allow the card detect uevent to be consumed by userspace
 
 MMC host:
  - Convert a few DT bindings to the json-schema
  - mtk-sd: Add support for command queue through cqhci
  - mtk-sd: Add support for the MT6779 variant
  - renesas_sdhi_internal_dmac: Fix dma unmapping in the error path
  - sdhci_am654: Add support for the AM65x PG2.0 variant
  - sdhci_am654: Extend support for phys/clocks
  - sdhci-cadence: Drop incorrect HW tuning for SD mode
  - sdhci-msm: Add support for interconnect bandwidth scaling
  - sdhci-msm: Enable internal voltage control
  - sdhci-msm: Enable low power state for pinctrls
  - sdhci-of-at91: Ludovic Desroches handovers maintenance to Eugen Hristev
  - sdhci-pci-gli: Improve clock handling for GL975x
  - sdhci-pci-o2micro: Add HW tuning for SDR104 mode
  - sdhci-pci-o2micro: Fix support for O2 host controller Seabird1
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Merge tag 'mmc-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:

   - Add a new host cap bit and a corresponding DT property, to support
     power cycling of the card by FW at system suspend/resume.

   - Fix clock rate setting for SDIO in SDR12/SDR25 speed-mode

   - Fix switch to 1/4-bit mode at system suspend/resume for SD-combo
     cards

   - Convert the mmc-pwrseq DT bindings to the json-schema

   - Always allow the card detect uevent to be consumed by userspace

  MMC host controllers:

   - Convert a few DT bindings to the json-schema

   - mtk-sd:
      - Add support for command queue through cqhci
      - Add support for the MT6779 variant

   - renesas_sdhi_internal_dmac:
      - Fix dma unmapping in the error path

   - sdhci_am654:
      - Add support for the AM65x PG2.0 variant
      - Extend support for phys/clocks

   - sdhci-cadence:
      - Drop incorrect HW tuning for SD mode

   - sdhci-msm:
      - Add support for interconnect bandwidth scaling
      - Enable internal voltage control
      - Enable low power state for pinctrls

   - sdhci-of-at91:
      - Ludovic Desroches handovers maintenance to Eugen Hristev

   - sdhci-pci-gli:
      - Improve clock handling for GL975x

   - sdhci-pci-o2micro:
      - Add HW tuning for SDR104 mode
      - Fix support for O2 host controller Seabird1"

* tag 'mmc-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (66 commits)
  mmc: mediatek: make function msdc_cqe_disable() static
  MAINTAINERS: mmc: sdhci-of-at91: handover maintenance to Eugen Hristev
  dt-bindings: mmc: mediatek: Add document for mt6779
  mmc: mediatek: command queue support
  mmc: mediatek: refine msdc timeout api
  mmc: mediatek: add MT6779 MMC driver support
  mmc: sdhci-pci-o2micro: Add HW tuning for SDR104 mode
  mmc: sdhci-pci-o2micro: Bug fix for O2 host controller Seabird1
  mmc: via-sdmmc: use generic power management
  memstick: jmb38x_ms: use generic power management
  mmc: sdhci-cadence: do not use hardware tuning for SD mode
  mmc: sdhci-pci-gli: Set SDR104's clock to 205MHz and enable SSC for GL975x
  mmc: cqhci: Fix a print format for the task descriptor
  mmc: sdhci-of-arasan: fix timings allocation code
  mmc: sdhci: Fix a potential uninitialized variable
  dt-bindings: mmc: renesas,sdhi: convert to YAML
  dt-bindings: mmc: convert arasan sdhci bindings to yaml
  mmc: sdhci: Fix potential null pointer access while accessing vqmmc
  mmc: core: Add MMC_CAP2_FULL_PWR_CYCLE_IN_SUSPEND
  dt-bindings: mmc: Add full-pwr-cycle-in-suspend property
  ...
2020-08-05 13:23:24 -07:00
Linus Torvalds
9aebd3254c hwmon updates for v5.9
Highlights:
 - New driver for Sparx5 SoC temperature sensot
 - New driver for Corsair Commander Pro
 - MAX20710 support added to max20730 driver
 
 Enhancements:
 - max6697: Allow max6581 to create tempX_offset attributes
 - gsc (Gateworks System Controller): add 16bit pre-scaled voltage mode
 - adm1275: Enable adm1278 ADM1278_TEMP1_EN
 - dell-smm: Add Latitude 5480 to fan control whitelist
 
 Fixes:
 - adc128d818: Fix advanced configuration register init
 - pmbus/core: Use s64 instead of long for calculations
               to fix overflow issues with 32-bit architectures
 
 Plus various cleanups in several drivers.
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Merge tag 'hwmon-for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "Highlights:
   - New driver for Sparx5 SoC temperature sensot
   - New driver for Corsair Commander Pro
   - MAX20710 support added to max20730 driver

  Enhancements:
   - max6697: Allow max6581 to create tempX_offset attributes
   - gsc (Gateworks System Controller): add 16bit pre-scaled voltage mode
   - adm1275: Enable adm1278 ADM1278_TEMP1_EN
   - dell-smm: Add Latitude 5480 to fan control whitelist

  Fixes:
   - adc128d818: Fix advanced configuration register init
   - pmbus/core: Use s64 instead of long for calculations to fix
     overflow issues with 32-bit architectures

  Plus various cleanups in several drivers"

* tag 'hwmon-for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (32 commits)
  hwmon: (adc128d818) Fix advanced configuration register init
  hwmon: (axi-fan-control) remove duplicate macros
  hwmon: (i5k_amb, vt8231) Drop uses of pci_read_config_*() return value
  hwmon: (sparx5) Make symbol 's5_temp_match' static
  hwmon: (corsair-cpro) add reading pwm values
  hwmon: sparx5: Add Sparx5 SoC temperature driver
  dt-bindings: hwmon: Add Sparx5 temperature sensor
  hwmon: (tmp401) Replace HTTP links with HTTPS ones
  hwmon: (lm95234) Replace HTTP links with HTTPS ones
  hwmon: (lm90) Replace HTTP links with HTTPS ones
  hwmon: (k8temp) Replace HTTP links with HTTPS ones
  hwmon: (jc42) Replace HTTP links with HTTPS ones
  hwmon: (ina2xx) Replace HTTP links with HTTPS ones
  hwmon: (ina209) Replace HTTP links with HTTPS ones
  hwmon: Replace HTTP links with HTTPS ones
  docs: hwmon: Replace HTTP links with HTTPS ones
  hwmon: (adm1025) Replace HTTP links with HTTPS ones
  hwmon: add Corsair Commander Pro driver
  hwmon: (max6697) Allow max6581 to create tempX_offset
  hwmon: (tmmp513) Replace HTTP links with HTTPS links
  ...
2020-08-05 13:13:57 -07:00
Linus Torvalds
441977979a Devicetree updates for v5.9:
- Improve device links cycle detection and breaking.  Add more
   bindings for device link dependencies.
 
 - Refactor parsing 'no-map' in __reserved_mem_alloc_size()
 
 - Improve DT unittest 'ranges' and 'dma-ranges' test case to check
   differing cell sizes
 
 - Various http to https link conversions
 
 - Add a schema check to prevent 'syscon' from being used by itself
   without a more specific compatible
 
 - A bunch more DT binding conversions to schema
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Merge tag 'devicetree-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree updates from Rob Herring:

 - Improve device links cycle detection and breaking. Add more bindings
   for device link dependencies.

 - Refactor parsing 'no-map' in __reserved_mem_alloc_size()

 - Improve DT unittest 'ranges' and 'dma-ranges' test case to check
   differing cell sizes

 - Various http to https link conversions

 - Add a schema check to prevent 'syscon' from being used by itself
   without a more specific compatible

 - A bunch more DT binding conversions to schema

* tag 'devicetree-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (55 commits)
  of: reserved-memory: remove duplicated call to of_get_flat_dt_prop() for no-map node
  of: unittest: Use bigger address cells to catch parser regressions
  dt-bindings: memory-controllers: Convert mmdc to json-schema
  dt-bindings: mtd: Convert imx nand to json-schema
  dt-bindings: mtd: Convert gpmi nand to json-schema
  dt-bindings: iio: io-channel-mux: Fix compatible string in example code
  of: property: Add device link support for pinctrl-0 through pinctrl-8
  of: property: Add device link support for multiple DT bindings
  dt-bindings: phy: ti: phy-gmii-sel: convert bindings to json-schema
  dt-bindings: mux: mux.h: drop a duplicated word
  dt-bindings: misc: Convert olpc,xo1.75-ec to json-schema
  dt-bindings: aspeed-lpc: Replace HTTP links with HTTPS ones
  dt-bindings: drm/bridge: Replace HTTP links with HTTPS ones
  drm/tilcdc: Replace HTTP links with HTTPS ones
  dt-bindings: iommu: renesas,ipmmu-vmsa: Add r8a774e1 support
  dt-bindings: fpga: Replace HTTP links with HTTPS ones
  dt-bindings: virtio: Replace HTTP links with HTTPS ones
  dt-bindings: media: imx274: Add optional input clock and supplies
  dt-bindings: i2c-gpio: Use 'deprecated' keyword on deprecated properties
  dt-bindings: interrupt-controller: Fix typos in loongson,liointc.yaml
  ...
2020-08-05 13:02:45 -07:00
Linus Torvalds
1d8ce0e093 This is the bulk of GPIO changes for the v5.9 kernel cycle:
Core changes:
 
 - Introduce the for_each_requested_gpio() macro to help in
   dependent code all over the place. Also patch a few locations
   to use it while we are at it.
 
 - Split out the sysfs code into its own file.
 
 - Split out the character device code into its own file, then
   make a set of refactorings and improvements to this code.
   We are setting the stage to revamp the userspace API a bit
   in the next cycle.
 
 - Fix a whole slew of kerneldoc that was wrong or missing.
 
 New drivers:
 
 - The PCA953x driver now supports the PCAL9535.
 
 Driver improvements:
 
 - A host of incremental modernizations and improvements to the
   PCA953x driver.
 
 - Incremental improvements to the Xilinx Zynq driver.
 
 - Some improvements to the GPIO aggregator driver.
 
 - I ran all over the place switching all threaded and other
   drivers requesting their own IRQ while using the core
   GPIO IRQ helpers to pass the GPIO irq chip as a template
   instead of calling the explicit set-up functions. Next merge
   window we may retire the old code altogether.
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Merge tag 'gpio-v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for the v5.9 kernel cycle.

  There is nothing too exciting in it, but a new macro that fixes a
  build failure on a minor ARM32 platform that appeared yesterday is
  part of it so we better merge it.

  Core changes:

   - Introduce the for_each_requested_gpio() macro to help in dependent
     code all over the place. Also patch a few locations to use it while
     we are at it.

   - Split out the sysfs code into its own file.

   - Split out the character device code into its own file, then make a
     set of refactorings and improvements to this code. We are setting
     the stage to revamp the userspace API a bit in the next cycle.

   - Fix a whole slew of kerneldoc that was wrong or missing.

  New drivers:

   - The PCA953x driver now supports the PCAL9535.

  Driver improvements:

   - A host of incremental modernizations and improvements to the
     PCA953x driver.

   - Incremental improvements to the Xilinx Zynq driver.

   - Some improvements to the GPIO aggregator driver.

   - I ran all over the place switching all threaded and other drivers
     requesting their own IRQ while using the core GPIO IRQ helpers to
     pass the GPIO irq chip as a template instead of calling the
     explicit set-up functions. Next merge window we may retire the old
     code altogether"

* tag 'gpio-v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (97 commits)
  gpio: wcove: Request IRQ after all initialisation done
  gpio: crystalcove: Free IRQ on error path
  gpio: pca953x: Request IRQ after all initialisation done
  gpio: don't use same lockdep class for all devm_gpiochip_add_data users
  gpio: max732x: Use irqchip template
  gpio: stmpe: Move chip registration
  gpio: rcar: Use irqchip template
  gpio: regmap: fix type clash
  gpio: Correct kernel-doc inconsistency
  gpio: pci-idio-16: Use irqchip template
  gpio: pcie-idio-24: Use irqchip template
  gpio: 104-idio-16: Use irqchip template
  gpio: 104-idi-48: Use irqchip template
  gpio: 104-dio-48e: Use irqchip template
  gpio: ws16c48: Use irqchip template
  gpio: omap: improve coding style for pin config flags
  gpio: dln2: Use irqchip template
  gpio: sch: Add a blank line between declaration and code
  gpio: sch: changed every 'unsigned' to 'unsigned int'
  gpio: ich: changed every 'unsigned' to 'unsigned int'
  ...
2020-08-05 12:56:27 -07:00
Linus Torvalds
585524081e random: random.h should include archrandom.h, not the other way around
This is hopefully the final piece of the crazy puzzle with random.h
dependencies.

And by "hopefully" I obviously mean "Linus is a hopeless optimist".

Reported-and-tested-by: Daniel Díaz <daniel.diaz@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-05 12:39:48 -07:00
Stefano Brivio
8ed54f167a ip_tunnel_core: Fix build for archs without _HAVE_ARCH_IPV6_CSUM
On architectures defining _HAVE_ARCH_IPV6_CSUM, we get
csum_ipv6_magic() defined by means of arch checksum.h headers. On
other architectures, we actually need to include net/ip6_checksum.h
to be able to use it.

Without this include, building with defconfig breaks at least for
s390.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 4cb47a8644 ("tunnels: PMTU discovery support for directly bridged IP packets")
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 12:30:36 -07:00
Willem de Bruijn
16f6458f24 selftests/net: relax cpu affinity requirement in msg_zerocopy test
The msg_zerocopy test pins the sender and receiver threads to separate
cores to reduce variance between runs.

But it hardcodes the cores and skips core 0, so it fails on machines
with the selected cores offline, or simply fewer cores.

The test mainly gives code coverage in automated runs. The throughput
of zerocopy ('-z') and non-zerocopy runs is logged for manual
inspection.

Continue even when sched_setaffinity fails. Just log to warn anyone
interpreting the data.

Fixes: 07b65c5b31 ("test: add msg_zerocopy test")
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 12:25:35 -07:00
Paolo Abeni
adf7341064 mptcp: be careful on subflow creation
Nicolas reported the following oops:

[ 1521.392541] BUG: kernel NULL pointer dereference, address: 00000000000000c0
[ 1521.394189] #PF: supervisor read access in kernel mode
[ 1521.395376] #PF: error_code(0x0000) - not-present page
[ 1521.396607] PGD 0 P4D 0
[ 1521.397156] Oops: 0000 [#1] SMP PTI
[ 1521.398020] CPU: 0 PID: 22986 Comm: kworker/0:2 Not tainted 5.8.0-rc4+ #109
[ 1521.399618] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014
[ 1521.401728] Workqueue: events mptcp_worker
[ 1521.402651] RIP: 0010:mptcp_subflow_create_socket+0xf1/0x1c0
[ 1521.403954] Code: 24 08 89 44 24 04 48 8b 7a 18 e8 2a 48 d4 ff 8b 44 24 04 85 c0 75 7a 48 8b 8b 78 02 00 00 48 8b 54 24 08 48 8d bb 80 00 00 00 <48> 8b 89 c0 00 00 00 48 89 8a c0 00 00 00 48 8b 8b 78 02 00 00 8b
[ 1521.408201] RSP: 0000:ffffabc4002d3c60 EFLAGS: 00010246
[ 1521.409433] RAX: 0000000000000000 RBX: ffffa0b9ad8c9a00 RCX: 0000000000000000
[ 1521.411096] RDX: ffffa0b9ae78a300 RSI: 00000000fffffe01 RDI: ffffa0b9ad8c9a80
[ 1521.412734] RBP: ffffa0b9adff2e80 R08: ffffa0b9af02d640 R09: ffffa0b9ad923a00
[ 1521.414333] R10: ffffabc4007139f8 R11: fefefefefefefeff R12: ffffabc4002d3cb0
[ 1521.415918] R13: ffffa0b9ad91fa58 R14: ffffa0b9ad8c9f9c R15: 0000000000000000
[ 1521.417592] FS:  0000000000000000(0000) GS:ffffa0b9af000000(0000) knlGS:0000000000000000
[ 1521.419490] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1521.420839] CR2: 00000000000000c0 CR3: 000000002951e006 CR4: 0000000000160ef0
[ 1521.422511] Call Trace:
[ 1521.423103]  __mptcp_subflow_connect+0x94/0x1f0
[ 1521.425376]  mptcp_pm_create_subflow_or_signal_addr+0x200/0x2a0
[ 1521.426736]  mptcp_worker+0x31b/0x390
[ 1521.431324]  process_one_work+0x1fc/0x3f0
[ 1521.432268]  worker_thread+0x2d/0x3b0
[ 1521.434197]  kthread+0x117/0x130
[ 1521.435783]  ret_from_fork+0x22/0x30

on some unconventional configuration.

The MPTCP protocol is trying to create a subflow for an
unaccepted server socket. That is allowed by the RFC, even
if subflow creation will likely fail.
Unaccepted sockets have still a NULL sk_socket field,
avoid the issue by failing earlier.

Reported-and-tested-by: Nicolas Rybowski <nicolas.rybowski@tessares.net>
Fixes: 7d14b0d2b9 ("mptcp: set correct vfs info for subflows")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 12:24:20 -07:00
David S. Miller
889579d00b Merge branch 'selftests-rtnetlink-Fix-for-false-negative-return-values'
Po-Hsu Lin says:

====================
selftests: rtnetlink: Fix for false-negative return values

This patchset will address the false-negative return value issue
caused by the following:
  1. The return value "ret" in this script will be reset to 0 from
     the beginning of each sub-test in rtnetlink.sh, therefore this
     rtnetlink test will always pass if the last sub-test has passed.
  2. The test result from two sub-tests in kci_test_encap() were not
     being processed, thus they will not affect the final test result
     of this test.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 12:23:29 -07:00
Po-Hsu Lin
72f70c159b selftests: rtnetlink: make kci_test_encap() return sub-test result
kci_test_encap() is actually composed by two different sub-tests,
kci_test_encap_vxlan() and kci_test_encap_fou()

Therefore we should check the test result of these two in
kci_test_encap() to let the script be aware of the pass / fail status.
Otherwise it will generate false-negative result like below:
    $ sudo ./test.sh
    PASS: policy routing
    PASS: route get
    PASS: preferred_lft addresses have expired
    PASS: promote_secondaries complete
    PASS: tc htb hierarchy
    PASS: gre tunnel endpoint
    PASS: gretap
    PASS: ip6gretap
    PASS: erspan
    PASS: ip6erspan
    PASS: bridge setup
    PASS: ipv6 addrlabel
    PASS: set ifalias 5b193daf-0a08-46d7-af2c-e7aadd422ded for test-dummy0
    PASS: vrf
    PASS: vxlan
    FAIL: can't add fou port 7777, skipping test
    PASS: macsec
    PASS: bridge fdb get
    PASS: neigh get
    $ echo $?
    0

Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 12:23:29 -07:00
Po-Hsu Lin
c2a4d27479 selftests: rtnetlink: correct the final return value for the test
The return value "ret" will be reset to 0 from the beginning of each
sub-test in rtnetlink.sh, therefore this test will always pass if the
last sub-test has passed:
    $ sudo ./rtnetlink.sh
    PASS: policy routing
    PASS: route get
    PASS: preferred_lft addresses have expired
    PASS: promote_secondaries complete
    PASS: tc htb hierarchy
    PASS: gre tunnel endpoint
    PASS: gretap
    PASS: ip6gretap
    PASS: erspan
    PASS: ip6erspan
    PASS: bridge setup
    PASS: ipv6 addrlabel
    PASS: set ifalias a39ee707-e36b-41d3-802f-63179ed4d580 for test-dummy0
    PASS: vrf
    PASS: vxlan
    FAIL: can't add fou port 7777, skipping test
    PASS: macsec
    PASS: ipsec
    3,7c3,7
    < sa[0]    spi=0x00000009 proto=0x32 salt=0x64636261 crypt=1
    < sa[0]    key=0x31323334 35363738 39303132 33343536
    < sa[1] rx ipaddr=0x00000000 00000000 00000000 c0a87b03
    < sa[1]    spi=0x00000009 proto=0x32 salt=0x64636261 crypt=1
    < sa[1]    key=0x31323334 35363738 39303132 33343536
    ---
    > sa[0]    spi=0x00000009 proto=0x32 salt=0x61626364 crypt=1
    > sa[0]    key=0x34333231 38373635 32313039 36353433
    > sa[1] rx ipaddr=0x00000000 00000000 00000000 037ba8c0
    > sa[1]    spi=0x00000009 proto=0x32 salt=0x61626364 crypt=1
    > sa[1]    key=0x34333231 38373635 32313039 36353433
    FAIL: ipsec_offload incorrect driver data
    FAIL: ipsec_offload
    PASS: bridge fdb get
    PASS: neigh get
    $ echo $?
    0

Make "ret" become a local variable for all sub-tests.
Also, check the sub-test results in kci_test_rtnl() and return the
final result for this test.

Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 12:23:28 -07:00
Vladimir Oltean
0b0e299720 net: dsa: sja1105: use detected device id instead of DT one on mismatch
Although we can detect the chip revision 100% at runtime, it is useful
to specify it in the device tree compatible string too, because
otherwise there would be no way to assess the correctness of device tree
bindings statically, without booting a board (only some switch versions
have internal RGMII delays and/or an SGMII port).

But for testing the P/Q/R/S support, what I have is a reworked board
with the SJA1105T replaced by a pin-compatible SJA1105Q, and I don't
want to keep a separate device tree blob just for this one-off board.
Since just the chip has been replaced, its RGMII delay setup is
inherently the same (meaning: delays added by the PHY on the slave
ports, and by PCB traces on the fixed-link CPU port).

For this board, I'd rather have the driver shout at me, but go ahead and
use what it found even if it doesn't match what it's been told is there.

[    2.970826] sja1105 spi0.1: Device tree specifies chip SJA1105T but found SJA1105Q, please fix it!
[    2.980010] sja1105 spi0.1: Probed switch chip: SJA1105Q
[    3.005082] sja1105 spi0.1: Enabled switch tagging

Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 12:20:55 -07:00
David S. Miller
273d405b4d Merge branch 'net-fix-a-mcast-issue-for-tipc-udp-media'
Xin Long says:

====================
net: fix a mcast issue for tipc udp media

Patch 1 is to add a function to get the dev by source address,
which will be used by Patch 2.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 12:19:52 -07:00
Xin Long
5a6f6f5791 tipc: set ub->ifindex for local ipv6 address
Without ub->ifindex set for ipv6 address in tipc_udp_enable(),
ipv6_sock_mc_join() may make the wrong dev join the multicast
address in enable_mcast(). This causes that tipc links would
never be created.

So fix it by getting the right netdev and setting ub->ifindex,
as it does for ipv4 address.

Reported-by: Shuang Li <shuali@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 12:19:52 -07:00
Xin Long
81f6cb3122 ipv6: add ipv6_dev_find()
This is to add an ip_dev_find like function for ipv6, used to find
the dev by saddr.

It will be used by TIPC protocol. So also export it.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 12:19:52 -07:00
Linus Torvalds
ecfd7940b8 USB/Thunderbolt patches for 5.9-rc1
Here is the large set of USB and Thunderbolt patches for 5.9-rc1.
 
 Nothing really magic/major in here, just lots of little changes and
 updates:
 	- clean up language usages in USB core and some drivers
 	- Thunderbolt driver updates and additions
 	- USB Gadget driver updates
 	- dwc3 driver updates (like always...)
 	- build with "W=1" warning fixups
 	- mtu3 driver updates
 	- usb-serial driver updates and device ids
 	- typec additions and updates for new hardware
 	- xhci debug code updates for future platforms
 	- cdns3 driver updates
 	- lots of other minor driver updates and fixes and cleanups
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/Thunderbolt updates from Greg KH:
 "Here is the large set of USB and Thunderbolt patches for 5.9-rc1.

  Nothing really magic/major in here, just lots of little changes and
  updates:

   - clean up language usages in USB core and some drivers

   - Thunderbolt driver updates and additions

   - USB Gadget driver updates

   - dwc3 driver updates (like always...)

   - build with "W=1" warning fixups

   - mtu3 driver updates

   - usb-serial driver updates and device ids

   - typec additions and updates for new hardware

   - xhci debug code updates for future platforms

   - cdns3 driver updates

   - lots of other minor driver updates and fixes and cleanups

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (330 commits)
  usb: common: usb-conn-gpio: Register charger
  usb: mtu3: simplify mtu3_req_complete()
  usb: mtu3: clear dual mode of u3port when disable device
  usb: mtu3: use MTU3_EP_WEDGE flag
  usb: mtu3: remove useless member @busy in mtu3_ep struct
  usb: mtu3: remove repeated error log
  usb: mtu3: add ->udc_set_speed()
  usb: mtu3: introduce a funtion to check maximum speed
  usb: mtu3: clear interrupts status when disable interrupts
  usb: mtu3: reinitialize CSR registers
  usb: mtu3: fix macro for maximum number of packets
  usb: mtu3: remove unnecessary pointer checks
  usb: xhci: Fix ASMedia ASM1142 DMA addressing
  usb: xhci: define IDs for various ASMedia host controllers
  usb: musb: convert to devm_platform_ioremap_resource_byname
  usb: gadget: tegra-xudc: convert to devm_platform_ioremap_resource_byname
  usb: gadget: r8a66597: convert to devm_platform_ioremap_resource_byname
  usb: dwc3: convert to devm_platform_ioremap_resource_byname
  usb: cdns3: convert to devm_platform_ioremap_resource_byname
  usb: phy: am335x: convert to devm_platform_ioremap_resource_byname
  ...
2020-08-05 12:13:10 -07:00
Tonghao Zhang
5845589ed6 net: openvswitch: silence suspicious RCU usage warning
ovs_flow_tbl_destroy always is called from RCU callback
or error path. It is no need to check if rcu_read_lock
or lockdep_ovsl_is_held was held.

ovs_dp_cmd_fill_info always is called with ovs_mutex,
So use the rcu_dereference_ovsl instead of rcu_dereference
in ovs_flow_tbl_masks_cache_size.

Fixes: 9bf24f594c ("net: openvswitch: make masks cache size configurable")
Cc: Eelco Chaudron <echaudro@redhat.com>
Reported-by: syzbot+c0eb9e7cdde04e4eb4be@syzkaller.appspotmail.com
Reported-by: syzbot+f612c02823acb02ff9bc@syzkaller.appspotmail.com
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 12:11:46 -07:00
Hangbin Liu
a0dced17ad Revert "vxlan: fix tos value before xmit"
This reverts commit 71130f2997.

In commit 71130f2997 ("vxlan: fix tos value before xmit") we want to
make sure the tos value are filtered by RT_TOS() based on RFC1349.

       0     1     2     3     4     5     6     7
    +-----+-----+-----+-----+-----+-----+-----+-----+
    |   PRECEDENCE    |          TOS          | MBZ |
    +-----+-----+-----+-----+-----+-----+-----+-----+

But RFC1349 has been obsoleted by RFC2474. The new DSCP field defined like

       0     1     2     3     4     5     6     7
    +-----+-----+-----+-----+-----+-----+-----+-----+
    |          DS FIELD, DSCP           | ECN FIELD |
    +-----+-----+-----+-----+-----+-----+-----+-----+

So with

IPTOS_TOS_MASK          0x1E
RT_TOS(tos)		((tos)&IPTOS_TOS_MASK)

the first 3 bits DSCP info will get lost.

To take all the DSCP info in xmit, we should revert the patch and just push
all tos bits to ip_tunnel_ecn_encap(), which will handling ECN field later.

Fixes: 71130f2997 ("vxlan: fix tos value before xmit")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 12:09:10 -07:00
Vladimir Oltean
c29f9aa350 ptp: only allow phase values lower than 1 period
The way we define the phase (the difference between the time of the
signal's rising edge, and the closest integer multiple of the period),
it doesn't make sense to have a phase value equal or larger than 1
period.

So deny these settings coming from the user.

Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Acked-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-05 12:06:44 -07:00
Linus Torvalds
dd27111e32 Driver core changes for 5.9-rc1
Here is the "big" set of changes to the driver core, and some drivers
 using the changes, for 5.9-rc1.
 
 "Biggest" thing in here is the device link exposure in sysfs, to help
 to tame the madness that is SoC device tree representations and driver
 interactions with it.
 
 Other stuff in here that is interesting is:
 	- device probe log helper so that drivers can report problems in
 	  a unified way easier.
 	- devres functions added
 	- DEVICE_ATTR_ADMIN_* macro added to make it harder to write
 	  incorrect sysfs file permissions
 	- documentation cleanups
 	- ability for debugfs to be present in the kernel, yet not
 	  exposed to userspace.  Needed for systems that want it
 	  enabled, but do not trust users, so they can still use some
 	  kernel functions that were otherwise disabled.
 	- other minor fixes and cleanups
 
 The patches outside of drivers/base/ all have acks from the respective
 subsystem maintainers to go through this tree instead of theirs.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the "big" set of changes to the driver core, and some drivers
  using the changes, for 5.9-rc1.

  "Biggest" thing in here is the device link exposure in sysfs, to help
  to tame the madness that is SoC device tree representations and driver
  interactions with it.

  Other stuff in here that is interesting is:

   - device probe log helper so that drivers can report problems in a
     unified way easier.

   - devres functions added

   - DEVICE_ATTR_ADMIN_* macro added to make it harder to write
     incorrect sysfs file permissions

   - documentation cleanups

   - ability for debugfs to be present in the kernel, yet not exposed to
     userspace. Needed for systems that want it enabled, but do not
     trust users, so they can still use some kernel functions that were
     otherwise disabled.

   - other minor fixes and cleanups

  The patches outside of drivers/base/ all have acks from the respective
  subsystem maintainers to go through this tree instead of theirs.

  All of these have been in linux-next with no reported issues"

* tag 'driver-core-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (39 commits)
  drm/bridge: lvds-codec: simplify error handling
  drm/bridge/sii8620: fix resource acquisition error handling
  driver core: add deferring probe reason to devices_deferred property
  driver core: add device probe log helper
  driver core: Avoid binding drivers to dead devices
  Revert "test_firmware: Test platform fw loading on non-EFI systems"
  firmware_loader: EFI firmware loader must handle pre-allocated buffer
  selftest/firmware: Add selftest timeout in settings
  test_firmware: Test platform fw loading on non-EFI systems
  driver core: Change delimiter in devlink device's name to "--"
  debugfs: Add access restriction option
  tracefs: Remove unnecessary debug_fs checks.
  driver core: Fix probe_count imbalance in really_probe()
  kobject: remove unused KOBJ_MAX action
  driver core: Fix sleeping in invalid context during device link deletion
  driver core: Add waiting_for_supplier sysfs file for devices
  driver core: Add state_synced sysfs file for devices that support it
  driver core: Expose device link details in sysfs
  driver core: Drop mention of obsolete bus rwsem from kernel-doc
  debugfs: file: Remove unnecessary cast in kfree()
  ...
2020-08-05 11:52:17 -07:00
Linus Torvalds
1785d11612 Char/Misc driver patches for 5.9-rc1
Here is the large set of char and misc and other driver subsystem
 patches for 5.9-rc1.  Lots of new driver submissions in here, and
 cleanups and features for existing drivers.
 
 Highlights are:
 	- habanalabs driver updates
 	- coresight driver updates
 	- nvmem driver updates
 	- huge number of "W=1" build warning cleanups from Lee Jones
 	- dyndbg updates
 	- virtbox driver fixes and updates
 	- soundwire driver updates
 	- mei driver updates
 	- phy driver updates
 	- fpga driver updates
 	- lots of smaller individual misc/char driver cleanups and fixes
 
 Full details are in the shortlog.
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here is the large set of char and misc and other driver subsystem
  patches for 5.9-rc1. Lots of new driver submissions in here, and
  cleanups and features for existing drivers.

  Highlights are:
   - habanalabs driver updates
   - coresight driver updates
   - nvmem driver updates
   - huge number of "W=1" build warning cleanups from Lee Jones
   - dyndbg updates
   - virtbox driver fixes and updates
   - soundwire driver updates
   - mei driver updates
   - phy driver updates
   - fpga driver updates
   - lots of smaller individual misc/char driver cleanups and fixes

  Full details are in the shortlog.

  All of these have been in linux-next with no reported issues"

* tag 'char-misc-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (322 commits)
  habanalabs: remove unused but set variable 'ctx_asid'
  nvmem: qcom-spmi-sdam: Enable multiple devices
  dt-bindings: nvmem: SID: add binding for A100's SID controller
  nvmem: update Kconfig description
  nvmem: qfprom: Add fuse blowing support
  dt-bindings: nvmem: Add properties needed for blowing fuses
  dt-bindings: nvmem: qfprom: Convert to yaml
  nvmem: qfprom: use NVMEM_DEVID_AUTO for multiple instances
  nvmem: core: add support to auto devid
  nvmem: core: Add nvmem_cell_read_u8()
  nvmem: core: Grammar fixes for help text
  nvmem: sc27xx: add sc2730 efuse support
  nvmem: Enforce nvmem stride in the sysfs interface
  MAINTAINERS: Add git tree for NVMEM FRAMEWORK
  nvmem: sprd: Fix return value of sprd_efuse_probe()
  drivers: android: Fix the SPDX comment style
  drivers: android: Fix a variable declaration coding style issue
  drivers: android: Remove braces for a single statement if-else block
  drivers: android: Remove the use of else after return
  drivers: android: Fix a variable declaration coding style issue
  ...
2020-08-05 11:43:47 -07:00
Linus Torvalds
060a72a268 for-5.9/block-merge-20200804
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Merge tag 'for-5.9/block-merge-20200804' of git://git.kernel.dk/linux-block

Pull block stacking updates from Jens Axboe:
 "The stacking related fixes depended on both the core block and drivers
  branches, so here's a topic branch with that change.

  Outside of that, a late fix from Johannes for zone revalidation"

* tag 'for-5.9/block-merge-20200804' of git://git.kernel.dk/linux-block:
  block: don't do revalidate zones on invalid devices
  block: remove blk_queue_stack_limits
  block: remove bdev_stack_limits
  block: inherit the zoned characteristics in blk_stack_limits
2020-08-05 11:12:34 -07:00
Russell King
22fcffebed MAINTAINERS: update phylink/sfp keyword matching
syzbot has revealed that the "phylink" keyword exists in non-phylink
related contexts in the bluetooth stack. To avoid receiving
inappropriate notifications, change the keyword matching regexp to
something which avoids this, while still allowing changes to networking
drivers that make use of phylink to be detected.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-05 11:06:25 -07:00
Linus Torvalds
e0fc99e21e for-5.9/drivers-20200803
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Merge tag 'for-5.9/drivers-20200803' of git://git.kernel.dk/linux-block

Pull block driver updates from Jens Axboe:

 - NVMe:
      - ZNS support (Aravind, Keith, Matias, Niklas)
      - Misc cleanups, optimizations, fixes (Baolin, Chaitanya, David,
        Dongli, Max, Sagi)

 - null_blk zone capacity support (Aravind)

 - MD:
      - raid5/6 fixes (ChangSyun)
      - Warning fixes (Damien)
      - raid5 stripe fixes (Guoqing, Song, Yufen)
      - sysfs deadlock fix (Junxiao)
      - raid10 deadlock fix (Vitaly)

 - struct_size conversions (Gustavo)

 - Set of bcache updates/fixes (Coly)

* tag 'for-5.9/drivers-20200803' of git://git.kernel.dk/linux-block: (117 commits)
  md/raid5: Allow degraded raid6 to do rmw
  md/raid5: Fix Force reconstruct-write io stuck in degraded raid5
  raid5: don't duplicate code for different paths in handle_stripe
  raid5-cache: hold spinlock instead of mutex in r5c_journal_mode_show
  md: print errno in super_written
  md/raid5: remove the redundant setting of STRIPE_HANDLE
  md: register new md sysfs file 'uuid' read-only
  md: fix max sectors calculation for super 1.0
  nvme-loop: remove extra variable in create ctrl
  nvme-loop: set ctrl state connecting after init
  nvme-multipath: do not fall back to __nvme_find_path() for non-optimized paths
  nvme-multipath: fix logic for non-optimized paths
  nvme-rdma: fix controller reset hang during traffic
  nvme-tcp: fix controller reset hang during traffic
  nvmet: introduce the passthru Kconfig option
  nvmet: introduce the passthru configfs interface
  nvmet: Add passthru enable/disable helpers
  nvmet: add passthru code to process commands
  nvme: export nvme_find_get_ns() and nvme_put_ns()
  nvme: introduce nvme_ctrl_get_by_path()
  ...
2020-08-05 10:51:40 -07:00
Linus Torvalds
4834ce9d8e linux-kselftest-5.9-rc1
This Kselftest update for Linux 5.9-rc1 consists of
 
 - TAP output reporting related fixes from Paolo Bonzini and Kees Cook.
   These fixes make it skip reporting consistent with TAP format.
 - Cleanup fixes to framework run_tests from Yauheni Kaliuta
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Merge tag 'linux-kselftest-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest updates form Shuah Khan:

 - TAP output reporting related fixes from Paolo Bonzini and Kees Cook.

   These fixes make it skip reporting consistent with TAP format.

 - Cleanup fixes to framework run_tests from Yauheni Kaliuta

* tag 'linux-kselftest-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (23 commits)
  selftests/harness: Limit step counter reporting
  selftests/seccomp: Check ENOSYS under tracing
  selftests/seccomp: Refactor to use fixture variants
  selftests/harness: Clean up kern-doc for fixtures
  selftests: kmod: Add module address visibility test
  Replace HTTP links with HTTPS ones: KMOD KERNEL MODULE LOADER - USERMODE HELPER
  selftests: fix condition in run_tests
  selftests: do not use .ONESHELL
  selftests: pidfd: skip test if unshare fails with EPERM
  selftests: pidfd: do not use ksft_exit_skip after ksft_set_plan
  selftests/harness: Report skip reason
  selftests/harness: Display signed values correctly
  selftests/harness: Refactor XFAIL into SKIP
  selftests/harness: Switch to TAP output
  selftests: Add header documentation and helpers
  selftests/binderfs: Fix harness API usage
  selftests: Remove unneeded selftest API headers
  selftests/clone3: Reorder reporting output
  selftests: sync_test: do not use ksft_exit_skip after ksft_set_plan
  selftests: sigaltstack: do not use ksft_exit_skip after ksft_set_plan
  ...
2020-08-05 10:28:25 -07:00
Linus Torvalds
53e5504bdb linux-kselftest-kunit-5.9-rc1
This Kunit update for Linux 5.9-rc1 consists of:
 
 - Adds a generic kunit_resource API extending it to support
   resources that are passed in to kunit in addition kunit
   allocated resources. In addition, KUnit resources are now
   refcounted to avoid passed in resources being released while
   in use by kunit.
 
 - Add support for named resources.
 
 - Important bug fixes from Brendan Higgins and Will Chen
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Merge tag 'linux-kselftest-kunit-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kunit updates from Shuah Khan:

 - Add a generic kunit_resource API extending it to support resources
   that are passed in to kunit in addition kunit allocated resources. In
   addition, KUnit resources are now refcounted to avoid passed in
   resources being released while in use by kunit.

 - Add support for named resources.

 - Important bug fixes from Brendan Higgins and Will Chen

* tag 'linux-kselftest-kunit-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  kunit: tool: fix improper treatment of file location
  kunit: tool: fix broken default args in unit tests
  kunit: capture stderr on all make subprocess calls
  Documentation: kunit: Remove references to --defconfig
  kunit: add support for named resources
  kunit: generalize kunit_resource API beyond allocated resources
2020-08-05 10:07:39 -07:00
Wei Yongjun
7f4bc2e868 mmc: mediatek: make function msdc_cqe_disable() static
The sparse tool complains as follows:

drivers/mmc/host/mtk-sd.c:2269:6: warning:
 symbol 'msdc_cqe_disable' was not declared. Should it be static?

This function is not used outside of mtk-sd.c, so this commit
marks it static.

Fixes: 88bd652b3c ("mmc: mediatek: command queue support")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
Link: https://lore.kernel.org/r/20200727171129.2945-1-weiyongjun1@huawei.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-08-05 08:28:15 +02:00
Ludovic Desroches
804f178612 MAINTAINERS: mmc: sdhci-of-at91: handover maintenance to Eugen Hristev
As Eugen handles the software for bootloaders and new products, handover
the maintenance to him.

Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Acked-by: Eugen Hristev <eugen.hristev@microchip.com>
Link: https://lore.kernel.org/r/20200709085331.8145-1-ludovic.desroches@microchip.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2020-08-05 08:25:07 +02:00
Linus Torvalds
2324d50d05 It's been a busy cycle for documentation - hopefully the busiest for a
while to come.  Changes include:
 
  - Some new Chinese translations
 
  - Progress on the battle against double words words and non-HTTPS URLs
 
  - Some block-mq documentation
 
  - More RST conversions from Mauro.  At this point, that task is
    essentially complete, so we shouldn't see this kind of churn again for a
    while.  Unless we decide to switch to asciidoc or something...:)
 
  - Lots of typo fixes, warning fixes, and more.
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Merge tag 'docs-5.9' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "It's been a busy cycle for documentation - hopefully the busiest for a
  while to come. Changes include:

   - Some new Chinese translations

   - Progress on the battle against double words words and non-HTTPS
     URLs

   - Some block-mq documentation

   - More RST conversions from Mauro. At this point, that task is
     essentially complete, so we shouldn't see this kind of churn again
     for a while. Unless we decide to switch to asciidoc or
     something...:)

   - Lots of typo fixes, warning fixes, and more"

* tag 'docs-5.9' of git://git.lwn.net/linux: (195 commits)
  scripts/kernel-doc: optionally treat warnings as errors
  docs: ia64: correct typo
  mailmap: add entry for <alobakin@marvell.com>
  doc/zh_CN: add cpu-load Chinese version
  Documentation/admin-guide: tainted-kernels: fix spelling mistake
  MAINTAINERS: adjust kprobes.rst entry to new location
  devices.txt: document rfkill allocation
  PCI: correct flag name
  docs: filesystems: vfs: correct flag name
  docs: filesystems: vfs: correct sync_mode flag names
  docs: path-lookup: markup fixes for emphasis
  docs: path-lookup: more markup fixes
  docs: path-lookup: fix HTML entity mojibake
  CREDITS: Replace HTTP links with HTTPS ones
  docs: process: Add an example for creating a fixes tag
  doc/zh_CN: add Chinese translation prefer section
  doc/zh_CN: add clearing-warn-once Chinese version
  doc/zh_CN: add admin-guide index
  doc:it_IT: process: coding-style.rst: Correct __maybe_unused compiler label
  futex: MAINTAINERS: Re-add selftests directory
  ...
2020-08-04 22:47:54 -07:00
Linus Torvalds
a754292348 Printk changes for 5.9
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Merge tag 'printk-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk updates from Petr Mladek:

 - Herbert Xu made printk header file self-contained.

 - Andy Shevchenko and Sergey Senozhatsky cleaned up console->setup()
   error handling.

 - Andy Shevchenko did some cleanups (e.g. sparse warning) in vsprintf
   code.

 - Minor documentation updates.

* tag 'printk-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  lib/vsprintf: Force type of flags value for gfp_t
  lib/vsprintf: Replace custom spec to print decimals with generic one
  lib/vsprintf: Replace hidden BUILD_BUG_ON() with static_assert()
  printk: Make linux/printk.h self-contained
  doc:kmsg: explicitly state the return value in case of SEEK_CUR
  Replace HTTP links with HTTPS ones: vsprintf
  hvc: unify console setup naming
  console: Fix trivia typo 'change' -> 'chance'
  console: Propagate error code from console ->setup()
  tty: hvc: Return proper error code from console ->setup() hook
  serial: sunzilog: Return proper error code from console ->setup() hook
  serial: sunsab: Return proper error code from console ->setup() hook
  mips: Return proper error code from console ->setup() hook
2020-08-04 22:22:25 -07:00
Linus Torvalds
95ffa67658 Merge branch 'parisc-5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
 "The majority of the patches are reverts of previous commits regarding
  the parisc-specific low level spinlocking code and barrier handling,
  with which we tried to fix CPU stalls on our build servers. In the end
  John David Anglin found the culprit: We missed a define for
  atomic64_set_release(). This seems to have fixed our issues, so now
  it's good to remove the unnecessary code again.

  Other than that it's trivial stuff: Spelling fixes, constifications
  and such"

* 'parisc-5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: make the log level string for register dumps const
  parisc: Do not use an ordered store in pa_tlb_lock()
  Revert "parisc: Revert "Release spinlocks using ordered store""
  Revert "parisc: Use ldcw instruction for SMP spinlock release barrier"
  Revert "parisc: Drop LDCW barrier in CAS code when running UP"
  Revert "parisc: Improve interrupt handling in arch_spin_lock_flags()"
  parisc: Replace HTTP links with HTTPS ones
  parisc: elf.h: delete a duplicated word
  parisc: Report bad pages as HardwareCorrupted
  parisc: Convert to BIT_MASK() and BIT_WORD()
2020-08-04 22:02:47 -07:00
Linus Torvalds
4da9f33026 Support for FSGSBASE. Almost 5 years after the first RFC to support it,
this has been brought into a shape which is maintainable and actually
 works.
 
 This final version was done by Sasha Levin who took it up after Intel
 dropped the ball. Sasha discovered that the SGX (sic!) offerings out there
 ship rogue kernel modules enabling FSGSBASE behind the kernels back which
 opens an instantanious unpriviledged root hole.
 
 The FSGSBASE instructions provide a considerable speedup of the context
 switch path and enable user space to write GSBASE without kernel
 interaction. This enablement requires careful handling of the exception
 entries which go through the paranoid entry path as they cannot longer rely
 on the assumption that user GSBASE is positive (as enforced via prctl() on
 non FSGSBASE enabled systemn). All other entries (syscalls, interrupts and
 exceptions) can still just utilize SWAPGS unconditionally when the entry
 comes from user space. Converting these entries to use FSGSBASE has no
 benefit as SWAPGS is only marginally slower than WRGSBASE and locating and
 retrieving the kernel GSBASE value is not a free operation either. The real
 benefit of RD/WRGSBASE is the avoidance of the MSR reads and writes.
 
 The changes come with appropriate selftests and have held up in field
 testing against the (sanitized) Graphene-SGX driver.
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Merge tag 'x86-fsgsbase-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fsgsbase from Thomas Gleixner:
 "Support for FSGSBASE. Almost 5 years after the first RFC to support
  it, this has been brought into a shape which is maintainable and
  actually works.

  This final version was done by Sasha Levin who took it up after Intel
  dropped the ball. Sasha discovered that the SGX (sic!) offerings out
  there ship rogue kernel modules enabling FSGSBASE behind the kernels
  back which opens an instantanious unpriviledged root hole.

  The FSGSBASE instructions provide a considerable speedup of the
  context switch path and enable user space to write GSBASE without
  kernel interaction. This enablement requires careful handling of the
  exception entries which go through the paranoid entry path as they
  can no longer rely on the assumption that user GSBASE is positive (as
  enforced via prctl() on non FSGSBASE enabled systemn).

  All other entries (syscalls, interrupts and exceptions) can still just
  utilize SWAPGS unconditionally when the entry comes from user space.
  Converting these entries to use FSGSBASE has no benefit as SWAPGS is
  only marginally slower than WRGSBASE and locating and retrieving the
  kernel GSBASE value is not a free operation either. The real benefit
  of RD/WRGSBASE is the avoidance of the MSR reads and writes.

  The changes come with appropriate selftests and have held up in field
  testing against the (sanitized) Graphene-SGX driver"

* tag 'x86-fsgsbase-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
  x86/fsgsbase: Fix Xen PV support
  x86/ptrace: Fix 32-bit PTRACE_SETREGS vs fsbase and gsbase
  selftests/x86/fsgsbase: Add a missing memory constraint
  selftests/x86/fsgsbase: Fix a comment in the ptrace_write_gsbase test
  selftests/x86: Add a syscall_arg_fault_64 test for negative GSBASE
  selftests/x86/fsgsbase: Test ptracer-induced GS base write with FSGSBASE
  selftests/x86/fsgsbase: Test GS selector on ptracer-induced GS base write
  Documentation/x86/64: Add documentation for GS/FS addressing mode
  x86/elf: Enumerate kernel FSGSBASE capability in AT_HWCAP2
  x86/cpu: Enable FSGSBASE on 64bit by default and add a chicken bit
  x86/entry/64: Handle FSGSBASE enabled paranoid entry/exit
  x86/entry/64: Introduce the FIND_PERCPU_BASE macro
  x86/entry/64: Switch CR3 before SWAPGS in paranoid entry
  x86/speculation/swapgs: Check FSGSBASE in enabling SWAPGS mitigation
  x86/process/64: Use FSGSBASE instructions on thread copy and ptrace
  x86/process/64: Use FSBSBASE in switch_to() if available
  x86/process/64: Make save_fsgs_for_kvm() ready for FSGSBASE
  x86/fsgsbase/64: Enable FSGSBASE instructions in helper functions
  x86/fsgsbase/64: Add intrinsics for FSGSBASE instructions
  x86/cpu: Add 'unsafe_fsgsbase' to enable CR4.FSGSBASE
  ...
2020-08-04 21:16:22 -07:00
Linus Torvalds
125cfa0d4d The conversion of X86 syscall, interrupt and exception entry/exit handling
to the generic code. Pretty much a straight forward 1:1 conversion plus the
 consolidation of the KVM handling of pending work before entering guest
 mode.
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Merge tag 'x86-entry-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 conversion to generic entry code from Thomas Gleixner:
 "The conversion of X86 syscall, interrupt and exception entry/exit
  handling to the generic code.

  Pretty much a straight-forward 1:1 conversion plus the consolidation
  of the KVM handling of pending work before entering guest mode"

* tag 'x86-entry-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/kvm: Use __xfer_to_guest_mode_work_pending() in kvm_run_vcpu()
  x86/kvm: Use generic xfer to guest work function
  x86/entry: Cleanup idtentry_enter/exit
  x86/entry: Use generic interrupt entry/exit code
  x86/entry: Cleanup idtentry_entry/exit_user
  x86/entry: Use generic syscall exit functionality
  x86/entry: Use generic syscall entry function
  x86/ptrace: Provide pt_regs helper for entry/exit
  x86/entry: Move user return notifier out of loop
  x86/entry: Consolidate 32/64 bit syscall entry
  x86/entry: Consolidate check_user_regs()
  x86: Correct noinstr qualifiers
  x86/idtentry: Remove stale comment
2020-08-04 21:05:46 -07:00
Linus Torvalds
3f0d6ecdf1 Generic implementation of common syscall, interrupt and exception
entry/exit functionality based on the recent X86 effort to ensure
 correctness of entry/exit vs. RCU and instrumentation.
 
 As this functionality and the required entry/exit sequences are not
 architecture specific, sharing them allows other architectures to benefit
 instead of copying the same code over and over again.
 
 This branch was kept standalone to allow others to work on it. The
 conversion of x86 comes in a seperate pull request which obviously is based
 on this branch.
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Merge tag 'core-entry-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull generic kernel entry/exit code from Thomas Gleixner:
 "Generic implementation of common syscall, interrupt and exception
  entry/exit functionality based on the recent X86 effort to ensure
  correctness of entry/exit vs RCU and instrumentation.

  As this functionality and the required entry/exit sequences are not
  architecture specific, sharing them allows other architectures to
  benefit instead of copying the same code over and over again.

  This branch was kept standalone to allow others to work on it. The
  conversion of x86 comes in a seperate pull request which obviously is
  based on this branch"

* tag 'core-entry-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  entry: Correct __secure_computing() stub
  entry: Correct 'noinstr' attributes
  entry: Provide infrastructure for work before transitioning to guest mode
  entry: Provide generic interrupt entry/exit code
  entry: Provide generic syscall exit function
  entry: Provide generic syscall entry functionality
  seccomp: Provide stub for __secure_computing()
2020-08-04 21:00:11 -07:00
Linus Torvalds
442489c219 Time, timers and related driver updates:
- Prevent unnecessary timer softirq invocations by extending the tracking
    of the next expiring timer in the timer wheel beyond the existing NOHZ
    functionality. The tracking overhead at enqueue time is within the
    noise, but on sensitive workloads the avoidance of the soft interrupt
    invocation is a measurable improvement.
 
  - The obligatory new clocksource driver for Ingenic X100 OST
 
  - The usual fixes, improvements, cleanups and extensions for newer chip
    variants all over the driver space.
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Merge tag 'timers-core-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer updates from Thomas Gleixner:
 "Time, timers and related driver updates:

   - Prevent unnecessary timer softirq invocations by extending the
     tracking of the next expiring timer in the timer wheel beyond the
     existing NOHZ functionality.

     The tracking overhead at enqueue time is within the noise, but on
     sensitive workloads the avoidance of the soft interrupt invocation
     is a measurable improvement.

   - The obligatory new clocksource driver for Ingenic X100 OST

   - The usual fixes, improvements, cleanups and extensions for newer
     chip variants all over the driver space"

* tag 'timers-core-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (28 commits)
  timers: Recalculate next timer interrupt only when necessary
  clocksource/drivers/ingenic: Add support for the Ingenic X1000 OST.
  dt-bindings: timer: Add Ingenic X1000 OST bindings.
  clocksource/drivers: Replace HTTP links with HTTPS ones
  clocksource/drivers/nomadik-mtu: Handle 32kHz clock
  clocksource/drivers/sh_cmt: Use "kHz" for kilohertz
  clocksource/drivers/imx: Add support for i.MX TPM driver with ARM64
  clocksource/drivers/ingenic: Add high resolution timer support for SMP/SMT.
  timers: Lower base clock forwarding threshold
  timers: Remove must_forward_clk
  timers: Spare timer softirq until next expiry
  timers: Expand clk forward logic beyond nohz
  timers: Reuse next expiry cache after nohz exit
  timers: Always keep track of next expiry
  timers: Optimize _next_timer_interrupt() level iteration
  timers: Add comments about calc_index() ceiling work
  timers: Move trigger_dyntick_cpu() to enqueue_timer()
  timers: Use only bucket expiry for base->next_expiry value
  timers: Preserve higher bits of expiration on index calculation
  clocksource/drivers/timer-atmel-tcb: Add sama5d2 support
  ...
2020-08-04 18:17:37 -07:00
Linus Torvalds
f8b036a7fc The usual boring updates from the interrupt subsystem:
- Infrastructure to allow building irqchip drivers as modules
 
  - Consolidation of irqchip ACPI probing
 
  - Removal of the EOI-preflow interrupt handler which was required for
    SPARC support and became obsolete after SPARC was converted to
    use sparse interrupts.
 
  - Cleanups, fixes and improvements all over the place
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Merge tag 'irq-core-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq updates from Thomas Gleixner:
 "The usual boring updates from the interrupt subsystem:

   - Infrastructure to allow building irqchip drivers as modules

   - Consolidation of irqchip ACPI probing

   - Removal of the EOI-preflow interrupt handler which was required for
     SPARC support and became obsolete after SPARC was converted to use
     sparse interrupts.

   - Cleanups, fixes and improvements all over the place"

* tag 'irq-core-2020-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (51 commits)
  irqchip/loongson-pch-pic: Fix the misused irq flow handler
  irqchip/loongson-htvec: Support 8 groups of HT vectors
  irqchip/loongson-liointc: Fix misuse of gc->mask_cache
  dt-bindings: interrupt-controller: Update Loongson HTVEC description
  irqchip/imx-intmux: Fix irqdata regs save in imx_intmux_runtime_suspend()
  irqchip/imx-intmux: Implement intmux runtime power management
  irqchip/gic-v4.1: Use GFP_ATOMIC flag in allocate_vpe_l1_table()
  irqchip: Fix IRQCHIP_PLATFORM_DRIVER_* compilation by including module.h
  irqchip/stm32-exti: Map direct event to irq parent
  irqchip/mtk-cirq: Convert to a platform driver
  irqchip/mtk-sysirq: Convert to a platform driver
  irqchip/qcom-pdc: Switch to using IRQCHIP_PLATFORM_DRIVER helper macros
  irqchip: Add IRQCHIP_PLATFORM_DRIVER_BEGIN/END and IRQCHIP_MATCH helper macros
  irqchip: irq-bcm2836.h: drop a duplicated word
  irqchip/gic-v4.1: Ensure accessing the correct RD when writing INVALLR
  irqchip/irq-bcm7038-l1: Guard uses of cpu_logical_map
  irqchip/gic-v3: Remove unused register definition
  irqchip/qcom-pdc: Allow QCOM_PDC to be loadable as a permanent module
  genirq: Export irq_chip_retrigger_hierarchy and irq_chip_set_vcpu_affinity_parent
  irqdomain: Export irq_domain_update_bus_token
  ...
2020-08-04 18:11:58 -07:00
Linus Torvalds
2ed90dbbf7 dma-mapping updates for 5.9
- make support for dma_ops optional
  - move more code out of line
  - add generic support for a dma_ops bypass mode
  - misc cleanups
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Merge tag 'dma-mapping-5.9' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping updates from Christoph Hellwig:

 - make support for dma_ops optional

 - move more code out of line

 - add generic support for a dma_ops bypass mode

 - misc cleanups

* tag 'dma-mapping-5.9' of git://git.infradead.org/users/hch/dma-mapping:
  dma-contiguous: cleanup dma_alloc_contiguous
  dma-debug: use named initializers for dir2name
  powerpc: use the generic dma_ops_bypass mode
  dma-mapping: add a dma_ops_bypass flag to struct device
  dma-mapping: make support for dma ops optional
  dma-mapping: inline the fast path dma-direct calls
  dma-mapping: move the remaining DMA API calls out of line
2020-08-04 17:29:57 -07:00