Commit Graph

44625 Commits

Author SHA1 Message Date
Ingo Molnar
0bffedbce9 Linux 5.7-rc7
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Merge tag 'v5.7-rc7' into perf/core, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2020-05-28 07:58:12 +02:00
Linus Torvalds
caffb99b69 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Fix RCU warnings in ipv6 multicast router code, from Madhuparna
    Bhowmik.

 2) Nexthop attributes aren't being checked properly because of
    mis-initialized iterator, from David Ahern.

 3) Revert iop_idents_reserve() change as it caused performance
    regressions and was just working around what is really a UBSAN bug
    in the compiler. From Yuqi Jin.

 4) Read MAC address properly from ROM in bmac driver (double iteration
    proceeds past end of address array), from Jeremy Kerr.

 5) Add Microsoft Surface device IDs to r8152, from Marc Payne.

 6) Prevent reference to freed SKB in __netif_receive_skb_core(), from
    Boris Sukholitko.

 7) Fix ACK discard behavior in rxrpc, from David Howells.

 8) Preserve flow hash across packet scrubbing in wireguard, from Jason
    A. Donenfeld.

 9) Cap option length properly for SO_BINDTODEVICE in AX25, from Eric
    Dumazet.

10) Fix encryption error checking in kTLS code, from Vadim Fedorenko.

11) Missing BPF prog ref release in flow dissector, from Jakub Sitnicki.

12) dst_cache must be used with BH disabled in tipc, from Eric Dumazet.

13) Fix use after free in mlxsw driver, from Jiri Pirko.

14) Order kTLS key destruction properly in mlx5 driver, from Tariq
    Toukan.

15) Check devm_platform_ioremap_resource() return value properly in
    several drivers, from Tiezhu Yang.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (71 commits)
  net: smsc911x: Fix runtime PM imbalance on error
  net/mlx4_core: fix a memory leak bug.
  net: ethernet: ti: cpsw: fix ASSERT_RTNL() warning during suspend
  net: phy: mscc: fix initialization of the MACsec protocol mode
  net: stmmac: don't attach interface until resume finishes
  net: Fix return value about devm_platform_ioremap_resource()
  net/mlx5: Fix error flow in case of function_setup failure
  net/mlx5e: CT: Correctly get flow rule
  net/mlx5e: Update netdev txq on completions during closure
  net/mlx5: Annotate mutex destroy for root ns
  net/mlx5: Don't maintain a case of del_sw_func being null
  net/mlx5: Fix cleaning unmanaged flow tables
  net/mlx5: Fix memory leak in mlx5_events_init
  net/mlx5e: Fix inner tirs handling
  net/mlx5e: kTLS, Destroy key object after destroying the TIS
  net/mlx5e: Fix allowed tc redirect merged eswitch offload cases
  net/mlx5: Avoid processing commands before cmdif is ready
  net/mlx5: Fix a race when moving command interface to events mode
  net/mlx5: Add command entry handling completion
  rxrpc: Fix a memory leak in rxkad_verify_response()
  ...
2020-05-23 17:16:18 -07:00
Kurt Kanzenbach
61d0301e6c dt-bindings: net: dsa: b53: Add missing size and address cells to example
Add the missing size and address cells to the b53 example. Otherwise, it may not
compile or issue warnings if directly copied into a device tree.

Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-17 12:31:56 -07:00
Linus Torvalds
fb27bc034d USB fixes for 5.7-rc6
Here are a number of USB fixes for 5.7-rc6
 
 The "largest" in here is a bunch of raw-gadget fixes and api changes as
 the driver just showed up in -rc1 and work has been done to fix up some
 uapi issues found with the original submission, before it shows up in a
 -final release.
 
 Other than that, a bunch of other small USB gadget fixes, xhci fixes,
 some quirks, andother tiny fixes for reported issues.
 
 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 'usb-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a number of USB fixes for 5.7-rc6

  The "largest" in here is a bunch of raw-gadget fixes and api changes
  as the driver just showed up in -rc1 and work has been done to fix up
  some uapi issues found with the original submission, before it shows
  up in a -final release.

  Other than that, a bunch of other small USB gadget fixes, xhci fixes,
  some quirks, andother tiny fixes for reported issues.

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

* tag 'usb-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (26 commits)
  USB: gadget: fix illegal array access in binding with UDC
  usb: core: hub: limit HUB_QUIRK_DISABLE_AUTOSUSPEND to USB5534B
  USB: usbfs: fix mmap dma mismatch
  usb: host: xhci-plat: keep runtime active when removing host
  usb: xhci: Fix NULL pointer dereference when enqueuing trbs from urb sg list
  usb: cdns3: gadget: make a bunch of functions static
  usb: mtu3: constify struct debugfs_reg32
  usb: gadget: udc: atmel: Make some symbols static
  usb: raw-gadget: fix null-ptr-deref when reenabling endpoints
  usb: raw-gadget: documentation updates
  usb: raw-gadget: support stalling/halting/wedging endpoints
  usb: raw-gadget: fix gadget endpoint selection
  usb: raw-gadget: improve uapi headers comments
  usb: typec: mux: intel: Fix DP_HPD_LVL bit field
  usb: raw-gadget: fix return value of ep read ioctls
  usb: dwc3: select USB_ROLE_SWITCH
  usb: gadget: legacy: fix error return code in gncm_bind()
  usb: gadget: legacy: fix error return code in cdc_bind()
  usb: gadget: legacy: fix redundant initialization warnings
  usb: gadget: tegra-xudc: Fix idle suspend/resume
  ...
2020-05-17 12:31:22 -07:00
Linus Torvalds
5c33696f2b ARM: SoC/dt fixes for v5.7
This round of fixes is almost exclusively device tree changes,
 with trivial defconfig fixes and one compiler warning fix
 added in.
 
 A number of patches are to fix dtc warnings, in particular on
 Amlogic, i.MX and Rockchips.
 
 Other notable changes include:
 
 Renesas:
  - Fix a wrong clock configuration on R-Mobile A1,
  - Fix IOMMU support on R-Car V3H
 
 Allwinner
  - Multiple audio fixes
 
 Qualcomm
  - Use a safe CPU voltage on MSM8996
  - Fixes to match a late audio driver change
 
 Rockchip:
  - Some fixes for the newly added Pinebook Pro
 
 NXP i.MX:
  - Fix I2C1 pinctrl configuration for i.MX27 phytec-phycard board.
  - Fix imx6dl-yapp4-ursa board Ethernet connection.
 
 OMAP:
  - A regression fix for non-existing can device on am534x-idk
  - Fix flakey wlan on droid4 where some devices would not connect
    at all because of internal pull being used with an external pull
  - Fix occasional missed wake-up events on droid4 modem uart
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-fixes-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC/dt fixes from Arnd Bergmann:
 "This round of fixes is almost exclusively device tree changes, with
  trivial defconfig fixes and one compiler warning fix added in.

  A number of patches are to fix dtc warnings, in particular on Amlogic,
  i.MX and Rockchips.

  Other notable changes include:

  Renesas:
   - Fix a wrong clock configuration on R-Mobile A1
   - Fix IOMMU support on R-Car V3H

  Allwinner
   - Multiple audio fixes

  Qualcomm
   - Use a safe CPU voltage on MSM8996
   - Fixes to match a late audio driver change

  Rockchip:
   - Some fixes for the newly added Pinebook Pro

  NXP i.MX:
   - Fix I2C1 pinctrl configuration for i.MX27 phytec-phycard board
   - Fix imx6dl-yapp4-ursa board Ethernet connection

  OMAP:
   - A regression fix for non-existing can device on am534x-idk
   - Fix flakey wlan on droid4 where some devices would not connect at
     all because of internal pull being used with an external pull
   - Fix occasional missed wake-up events on droid4 modem uart"

* tag 'arm-soc-fixes-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (51 commits)
  ARM: dts: iwg20d-q7-dbcm-ca: Remove unneeded properties in hdmi@39
  ARM: dts: renesas: Make hdmi encoder nodes compliant with DT bindings
  arm64: dts: renesas: Make hdmi encoder nodes compliant with DT bindings
  arm64: defconfig: add MEDIA_PLATFORM_SUPPORT
  arm64: defconfig: ARCH_R8A7795: follow changed config symbol name
  arm64: defconfig: add DRM_DISPLAY_CONNECTOR
  arm64: defconfig: DRM_DUMB_VGA_DAC: follow changed config symbol name
  ARM: oxnas: make ox820_boot_secondary static
  ARM: dts: r8a7740: Add missing extal2 to CPG node
  ARM: dts: omap4-droid4: Fix occasional lost wakeirq for uart1
  ARM: dts: omap4-droid4: Fix flakey wlan by disabling internal pull for gpio
  arm64: dts: allwinner: a64: Remove unused SPDIF sound card
  arm64: dts: allwinner: a64: pinetab: Fix cpvdd supply name
  arm64: dts: meson-g12: remove spurious blank line
  arm64: dts: meson-g12b-khadas-vim3: add missing frddr_a status property
  arm64: dts: meson-g12-common: fix dwc2 clock names
  arm64: dts: meson-g12b-ugoos-am6: fix usb vbus-supply
  arm64: dts: freescale: imx8mp: update input_val for AUDIOMIX_BIT_STREAM
  ARM: dts: r7s9210: Remove bogus clock-names from OSTM nodes
  ARM: dts: rockchip: fix pinctrl sub nodename for spi in rk322x.dtsi
  ...
2020-05-16 13:27:58 -07:00
Linus Torvalds
f85c1598dd Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Fix sk_psock reference count leak on receive, from Xiyu Yang.

 2) CONFIG_HNS should be invisible, from Geert Uytterhoeven.

 3) Don't allow locking route MTUs in ipv6, RFCs actually forbid this,
    from Maciej Żenczykowski.

 4) ipv4 route redirect backoff wasn't actually enforced, from Paolo
    Abeni.

 5) Fix netprio cgroup v2 leak, from Zefan Li.

 6) Fix infinite loop on rmmod in conntrack, from Florian Westphal.

 7) Fix tcp SO_RCVLOWAT hangs, from Eric Dumazet.

 8) Various bpf probe handling fixes, from Daniel Borkmann.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (68 commits)
  selftests: mptcp: pm: rm the right tmp file
  dpaa2-eth: properly handle buffer size restrictions
  bpf: Restrict bpf_trace_printk()'s %s usage and add %pks, %pus specifier
  bpf: Add bpf_probe_read_{user, kernel}_str() to do_refine_retval_range
  bpf: Restrict bpf_probe_read{, str}() only to archs where they work
  MAINTAINERS: Mark networking drivers as Maintained.
  ipmr: Add lockdep expression to ipmr_for_each_table macro
  ipmr: Fix RCU list debugging warning
  drivers: net: hamradio: Fix suspicious RCU usage warning in bpqether.c
  net: phy: broadcom: fix BCM54XX_SHD_SCR3_TRDDAPD value for BCM54810
  tcp: fix error recovery in tcp_zerocopy_receive()
  MAINTAINERS: Add Jakub to networking drivers.
  MAINTAINERS: another add of Karsten Graul for S390 networking
  drivers: ipa: fix typos for ipa_smp2p structure doc
  pppoe: only process PADT targeted at local interfaces
  selftests/bpf: Enforce returning 0 for fentry/fexit programs
  bpf: Enforce returning 0 for fentry/fexit progs
  net: stmmac: fix num_por initialization
  security: Fix the default value of secid_to_secctx hook
  libbpf: Fix register naming in PT_REGS s390 macros
  ...
2020-05-15 13:10:06 -07:00
Daniel Borkmann
b2a5212fb6 bpf: Restrict bpf_trace_printk()'s %s usage and add %pks, %pus specifier
Usage of plain %s conversion specifier in bpf_trace_printk() suffers from the
very same issue as bpf_probe_read{,str}() helpers, that is, it is broken on
archs with overlapping address ranges.

While the helpers have been addressed through work in 6ae08ae3de ("bpf: Add
probe_read_{user, kernel} and probe_read_{user, kernel}_str helpers"), we need
an option for bpf_trace_printk() as well to fix it.

Similarly as with the helpers, force users to make an explicit choice by adding
%pks and %pus specifier to bpf_trace_printk() which will then pick the corresponding
strncpy_from_unsafe*() variant to perform the access under KERNEL_DS or USER_DS.
The %pk* (kernel specifier) and %pu* (user specifier) can later also be extended
for other objects aside strings that are probed and printed under tracing, and
reused out of other facilities like bpf_seq_printf() or BTF based type printing.

Existing behavior of %s for current users is still kept working for archs where it
is not broken and therefore gated through CONFIG_ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE.
For archs not having this property we fall-back to pick probing under KERNEL_DS as
a sensible default.

Fixes: 8d3b7dce86 ("bpf: add support for %s specifier to bpf_trace_printk()")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Link: https://lore.kernel.org/bpf/20200515101118.6508-4-daniel@iogearbox.net
2020-05-15 08:10:36 -07:00
Andrey Konovalov
61d2658db4 usb: raw-gadget: documentation updates
Mention the issue with fixed UDC addresses.

Links external examples and test suite.

Add more implmenetation details and potential improvements.

Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-05-14 12:30:18 +03:00
Andrey Konovalov
c61769bd47 usb: raw-gadget: support stalling/halting/wedging endpoints
Raw Gadget is currently unable to stall/halt/wedge gadget endpoints,
which is required for proper emulation of certain USB classes.

This patch adds a few more ioctls:

- USB_RAW_IOCTL_EP0_STALL allows to stall control endpoint #0 when
  there's a pending setup request for it.
- USB_RAW_IOCTL_SET/CLEAR_HALT/WEDGE allow to set/clear halt/wedge status
  on non-control non-isochronous endpoints.

Fixes: f2c2e71764 ("usb: gadget: add raw-gadget interface")
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-05-14 12:30:18 +03:00
Andrey Konovalov
97df5e5758 usb: raw-gadget: fix gadget endpoint selection
Currently automatic gadget endpoint selection based on required features
doesn't work. Raw Gadget tries iterating over the list of available
endpoints and finding one that has the right direction and transfer type.
Unfortunately selecting arbitrary gadget endpoints (even if they satisfy
feature requirements) doesn't work, as (depending on the UDC driver) they
might have fixed addresses, and one also needs to provide matching
endpoint addresses in the descriptors sent to the host.

The composite framework deals with this by assigning endpoint addresses
in usb_ep_autoconfig() before enumeration starts. This approach won't work
with Raw Gadget as the endpoints are supposed to be enabled after a
set_configuration/set_interface request from the host, so it's too late to
patch the endpoint descriptors that had already been sent to the host.

For Raw Gadget we take another approach. Similarly to GadgetFS, we allow
the user to make the decision as to which gadget endpoints to use.

This patch adds another Raw Gadget ioctl USB_RAW_IOCTL_EPS_INFO that
exposes information about all non-control endpoints that a currently
connected UDC has. This information includes endpoints addresses, as well
as their capabilities and limits to allow the user to choose the most
fitting gadget endpoint.

The USB_RAW_IOCTL_EP_ENABLE ioctl is updated to use the proper endpoint
validation routine usb_gadget_ep_match_desc().

These changes affect the portability of the gadgets that use Raw Gadget
when running on different UDCs. Nevertheless, as long as the user relies
on the information provided by USB_RAW_IOCTL_EPS_INFO to dynamically
choose endpoint addresses, UDC-agnostic gadgets can still be written with
Raw Gadget.

Fixes: f2c2e71764 ("usb: gadget: add raw-gadget interface")
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-05-14 12:30:17 +03:00
Arnd Bergmann
896e18f4dc i.MX fixes for 5.7:
- Set correct AHB clock for i.MX8MN SDMA1 device to fix a "Timeout
    waiting for CH0" error.
  - Fix a linker error for i.MX6 configurations that have ARM_CPU_SUSPEND=n,
    which can happen if neither CONFIG_PM, CONFIG_CPU_IDLE, nor ARM_PSCI_FW
    are selected.
  - Fix I2C1 pinctrl configuration for i.MX27 phytec-phycard board.
  - Fix i.MX8M  AIPS 'reg' properties to remove DTC simple_bus_reg
    warnings.
  - Add missing compatible "fsl,vf610-edma" for LS1028A EDMA device, so
    that bootloader can fix up the IOMMU entries there.  Otherwise, EDMA
    just doesn't work on LS1028A with shipped bootloader.
  - Fix imx6dl-yapp4-ursa board Ethernet connection.
  - Fix input_val for AUDIOMIX_BIT_STREAM pinctrl defines on i.MX8MP
    according to Reference Manual.
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Merge tag 'imx-fixes-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.7:

 - Set correct AHB clock for i.MX8MN SDMA1 device to fix a "Timeout
   waiting for CH0" error.
 - Fix a linker error for i.MX6 configurations that have ARM_CPU_SUSPEND=n,
   which can happen if neither CONFIG_PM, CONFIG_CPU_IDLE, nor ARM_PSCI_FW
   are selected.
 - Fix I2C1 pinctrl configuration for i.MX27 phytec-phycard board.
 - Fix i.MX8M  AIPS 'reg' properties to remove DTC simple_bus_reg
   warnings.
 - Add missing compatible "fsl,vf610-edma" for LS1028A EDMA device, so
   that bootloader can fix up the IOMMU entries there.  Otherwise, EDMA
   just doesn't work on LS1028A with shipped bootloader.
 - Fix imx6dl-yapp4-ursa board Ethernet connection.
 - Fix input_val for AUDIOMIX_BIT_STREAM pinctrl defines on i.MX8MP
   according to Reference Manual.

* tag 'imx-fixes-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  arm64: dts: freescale: imx8mp: update input_val for AUDIOMIX_BIT_STREAM
  arm64: dts: imx8m: Fix AIPS reg properties
  arm64: dts: imx8mn: Change SDMA1 ahb clock for imx8mn
  ARM: dts: imx27-phytec-phycard-s-rdk: Fix the I2C1 pinctrl entries
  ARM: imx: provide v7_cpu_resume() only on ARM_CPU_SUSPEND=y
  ARM: dts: imx6dl-yapp4: Fix Ursa board Ethernet connection
  arm64: dts: ls1028a: add "fsl,vf610-edma" compatible
  dt-bindings: dma: fsl-edma: fix ls1028a-edma compatible

Link: https://lore.kernel.org/r/20200429063226.GT32592@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-14 00:00:07 +02:00
Linus Torvalds
8c16ec94dc Bugfixes, mostly for ARM and AMD, and more documentation.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "Bugfixes, mostly for ARM and AMD, and more documentation.

  Slightly bigger than usual because I couldn't send out what was
  pending for rc4, but there is nothing worrisome going on. I have more
  fixes pending for guest debugging support (gdbstub) but I will send
  them next week"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (22 commits)
  KVM: X86: Declare KVM_CAP_SET_GUEST_DEBUG properly
  KVM: selftests: Fix build for evmcs.h
  kvm: x86: Use KVM CPU capabilities to determine CR4 reserved bits
  KVM: VMX: Explicitly clear RFLAGS.CF and RFLAGS.ZF in VM-Exit RSB path
  docs/virt/kvm: Document configuring and running nested guests
  KVM: s390: Remove false WARN_ON_ONCE for the PQAP instruction
  kvm: ioapic: Restrict lazy EOI update to edge-triggered interrupts
  KVM: x86: Fixes posted interrupt check for IRQs delivery modes
  KVM: SVM: fill in kvm_run->debug.arch.dr[67]
  KVM: nVMX: Replace a BUG_ON(1) with BUG() to squash clang warning
  KVM: arm64: Fix 32bit PC wrap-around
  KVM: arm64: vgic-v4: Initialize GICv4.1 even in the absence of a virtual ITS
  KVM: arm64: Save/restore sp_el0 as part of __guest_enter
  KVM: arm64: Delete duplicated label in invalid_vector
  KVM: arm64: vgic-its: Fix memory leak on the error path of vgic_add_lpi()
  KVM: arm64: vgic-v3: Retire all pending LPIs on vcpu destroy
  KVM: arm: vgic-v2: Only use the virtual state when userspace accesses pending bits
  KVM: arm: vgic: Only use the virtual state when userspace accesses enable bits
  KVM: arm: vgic: Synchronize the whole guest on GIC{D,R}_I{S,C}ACTIVER read
  KVM: arm64: PSCI: Forbid 64bit functions for 32bit guests
  ...
2020-05-07 09:50:59 -07:00
Linus Torvalds
a811c1fa0a Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Fix reference count leaks in various parts of batman-adv, from Xiyu
    Yang.

 2) Update NAT checksum even when it is zero, from Guillaume Nault.

 3) sk_psock reference count leak in tls code, also from Xiyu Yang.

 4) Sanity check TCA_FQ_CODEL_DROP_BATCH_SIZE netlink attribute in
    fq_codel, from Eric Dumazet.

 5) Fix panic in choke_reset(), also from Eric Dumazet.

 6) Fix VLAN accel handling in bnxt_fix_features(), from Michael Chan.

 7) Disallow out of range quantum values in sch_sfq, from Eric Dumazet.

 8) Fix crash in x25_disconnect(), from Yue Haibing.

 9) Don't pass pointer to local variable back to the caller in
    nf_osf_hdr_ctx_init(), from Arnd Bergmann.

10) Wireguard should use the ECN decap helper functions, from Toke
    Høiland-Jørgensen.

11) Fix command entry leak in mlx5 driver, from Moshe Shemesh.

12) Fix uninitialized variable access in mptcp's
    subflow_syn_recv_sock(), from Paolo Abeni.

13) Fix unnecessary out-of-order ingress frame ordering in macsec, from
    Scott Dial.

14) IPv6 needs to use a global serial number for dst validation just
    like ipv4, from David Ahern.

15) Fix up PTP_1588_CLOCK deps, from Clay McClure.

16) Missing NLM_F_MULTI flag in gtp driver netlink messages, from
    Yoshiyuki Kurauchi.

17) Fix a regression in that dsa user port errors should not be fatal,
    from Florian Fainelli.

18) Fix iomap leak in enetc driver, from Dejin Zheng.

19) Fix use after free in lec_arp_clear_vccs(), from Cong Wang.

20) Initialize protocol value earlier in neigh code paths when
    generating events, from Roman Mashak.

21) netdev_update_features() must be called with RTNL mutex in macsec
    driver, from Antoine Tenart.

22) Validate untrusted GSO packets even more strictly, from Willem de
    Bruijn.

23) Wireguard decrypt worker needs a cond_resched(), from Jason
    Donenfeld.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (111 commits)
  net: flow_offload: skip hw stats check for FLOW_ACTION_HW_STATS_DONT_CARE
  MAINTAINERS: put DYNAMIC INTERRUPT MODERATION in proper order
  wireguard: send/receive: use explicit unlikely branch instead of implicit coalescing
  wireguard: selftests: initalize ipv6 members to NULL to squelch clang warning
  wireguard: send/receive: cond_resched() when processing worker ringbuffers
  wireguard: socket: remove errant restriction on looping to self
  wireguard: selftests: use normal kernel stack size on ppc64
  net: ethernet: ti: am65-cpsw-nuss: fix irqs type
  ionic: Use debugfs_create_bool() to export bool
  net: dsa: Do not leave DSA master with NULL netdev_ops
  net: dsa: remove duplicate assignment in dsa_slave_add_cls_matchall_mirred
  net: stricter validation of untrusted gso packets
  seg6: fix SRH processing to comply with RFC8754
  net: mscc: ocelot: ANA_AUTOAGE_AGE_PERIOD holds a value in seconds, not ms
  net: dsa: ocelot: the MAC table on Felix is twice as large
  net: dsa: sja1105: the PTP_CLK extts input reacts on both edges
  selftests: net: tcp_mmap: fix SO_RCVLOWAT setting
  net: hsr: fix incorrect type usage for protocol variable
  net: macsec: fix rtnl locking issue
  net: mvpp2: cls: Prevent buffer overflow in mvpp2_ethtool_cls_rule_del()
  ...
2020-05-06 20:53:22 -07:00
Kashyap Chamarthy
27abe57770 docs/virt/kvm: Document configuring and running nested guests
This is a rewrite of this[1] Wiki page with further enhancements.  The
doc also includes a section on debugging problems in nested
environments, among other improvements.

[1] https://www.linux-kvm.org/page/Nested_Guests

Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>
Message-Id: <20200505112839.30534-1-kchamart@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-05-06 05:45:47 -04:00
Linus Torvalds
ed6889db63 dmaengine fixes for v5.7-rc4
Core:
  - Documentation typo fixes
  - fix the channel indexes
  - Dmatest: fixes for process hang and iterations
 Drivers:
  - hisilicon: build error fix without PCI_MSI
  - ti-k3: deadlock fix
  - uniphier-xdmac: fix for reg region
  - pch: fix data race
  - tegra: fix clock state
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Merge tag 'dmaengine-fix-5.7-rc4' of git://git.infradead.org/users/vkoul/slave-dma

Pull dmaengine fixes from Vinod Koul:
 "Core:
   - Documentation typo fixes
   - fix the channel indexes
   - dmatest: fixes for process hang and iterations

  Drivers:
   - hisilicon: build error fix without PCI_MSI
   - ti-k3: deadlock fix
   - uniphier-xdmac: fix for reg region
   - pch: fix data race
   - tegra: fix clock state"

* tag 'dmaengine-fix-5.7-rc4' of git://git.infradead.org/users/vkoul/slave-dma:
  dmaengine: dmatest: Fix process hang when reading 'wait' parameter
  dmaengine: dmatest: Fix iteration non-stop logic
  dmaengine: tegra-apb: Ensure that clock is enabled during of DMA synchronization
  dmaengine: fix channel index enumeration
  dmaengine: mmp_tdma: Reset channel error on release
  dmaengine: mmp_tdma: Do not ignore slave config validation errors
  dmaengine: pch_dma.c: Avoid data race between probe and irq handler
  dt-bindings: dma: uniphier-xdmac: switch to single reg region
  include/linux/dmaengine: Typos fixes in API documentation
  dmaengine: xilinx_dma: Add missing check for empty list
  dmaengine: ti: k3-psil: fix deadlock on error path
  dmaengine: hisilicon: Fix build error without PCI_MSI
2020-05-02 11:16:14 -07:00
Jacob Keller
709e7158f0 ice: cleanup language in ice.rst for fw.app
The documentation for the ice driver around "fw.app" has a spelling
mistake in variation. Additionally, the language of "shall have a unique
name" sounds like a requirement. Reword this to read more like
a description or property.

Reported-by: Benjamin Fisher <benjamin.l.fisher@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Jakub Kicinski <kubakici@wp.pl>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-01 15:30:24 -07:00
Linus Torvalds
c45e8bccec - Document DM integrity allow_discard feature that was added during
5.7 merge window.
 
 - Fix potential for DM writecache data corruption during DM table
   reloads.
 
 - Fix DM verity's FEC support's hash block number calculation in
   verity_fec_decode().
 
 - Fix bio-based DM multipath crash due to use of stale copy of
   MPATHF_QUEUE_IO flag state in __map_bio().
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Merge tag 'for-5.7/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:

 - Document DM integrity allow_discard feature that was added during 5.7
   merge window.

 - Fix potential for DM writecache data corruption during DM table
   reloads.

 - Fix DM verity's FEC support's hash block number calculation in
   verity_fec_decode().

 - Fix bio-based DM multipath crash due to use of stale copy of
   MPATHF_QUEUE_IO flag state in __map_bio().

* tag 'for-5.7/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm multipath: use updated MPATHF_QUEUE_IO on mapping for bio-based mpath
  dm verity fec: fix hash block number in verity_fec_decode
  dm writecache: fix data corruption when reloading the target
  dm integrity: document allow_discard option
2020-04-30 16:45:08 -07:00
Linus Torvalds
e9a61afb69 USB fixes for 5.7-rc3
Here are a number of USB driver fixes for 5.7-rc3.
 
 Nothing huge, just the usual collection of:
 	- xhci fixes
 	- gadget driver fixes
 	- syzkaller fuzzing fixes
 	- new device ids and DT bindings
 	- new quirks added for broken devices
 
 A few of the gadget driver fixes show up twice here as they were applied
 to my branch, and also by Felipe to his branch which I then pulled in as
 we got out of sync a bit.
 
 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 'usb-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a number of USB driver fixes for 5.7-rc3.

  Nothing huge, just the usual collection of:

   - xhci fixes

   - gadget driver fixes

   - syzkaller fuzzing fixes

   - new device ids and DT bindings

   - new quirks added for broken devices

  A few of the gadget driver fixes show up twice here as they were
  applied to my branch, and also by Felipe to his branch which I then
  pulled in as we got out of sync a bit.

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

* tag 'usb-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits)
  USB: sisusbvga: Change port variable from signed to unsigned
  usb-storage: Add unusual_devs entry for JMicron JMS566
  USB: hub: Revert commit bd0e6c9614 ("usb: hub: try old enumeration scheme first for high speed devices")
  USB: hub: Fix handling of connect changes during sleep
  usb: typec: altmode: Fix typec_altmode_get_partner sometimes returning an invalid pointer
  xhci: Don't clear hub TT buffer on ep0 protocol stall
  xhci: prevent bus suspend if a roothub port detected a over-current condition
  xhci: Fix handling halted endpoint even if endpoint ring appears empty
  usb: raw-gadget: Fix copy_to/from_user() checks
  usb: raw-gadget: fix raw_event_queue_fetch locking
  usb: gadget: udc: atmel: Fix vbus disconnect handling
  usb: dwc3: gadget: Fix request completion check
  USB: Add USB_QUIRK_DELAY_CTRL_MSG and USB_QUIRK_DELAY_INIT for Corsair K70 RGB RAPIDFIRE
  phy: tegra: Select USB_COMMON for usb_get_maximum_speed()
  usb: typec: tcpm: Ignore CC and vbus changes in PORT_RESET change
  usb: f_fs: Clear OS Extended descriptor counts to zero in ffs_data_reset()
  cdc-acm: introduce a cool down
  cdc-acm: close race betrween suspend() and acm_softint
  UAS: fix deadlock in error handling and PM flushing work
  UAS: no use logging any details in case of ENODEV
  ...
2020-04-26 11:22:01 -07:00
Linus Torvalds
edf17b2838 Staging/IIO driver fixes for 5.7-rc3
Here are some small staging and IIO driver fixes for 5.7-rc3
 
 Lots of tiny things for reported issues in staging and IIO drivers,
 including a counter driver fix as well (the iio drivers seem to be tied
 to those).  Full details of the fixes are in the shortlog.
 
 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 'staging-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging/IIO driver fixes from Greg KH:
 "Here are some small staging and IIO driver fixes for 5.7-rc3

  Lots of tiny things for reported issues in staging and IIO drivers,
  including a counter driver fix as well (the iio drivers seem to be
  tied to those). Full details of the fixes are in the shortlog.

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

* tag 'staging-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (27 commits)
  staging: vt6656: Fix calling conditions of vnt_set_bss_mode
  staging: comedi: Fix comedi_device refcnt leak in comedi_open
  staging: vt6656: Fix pairwise key entry save.
  staging: vt6656: Fix drivers TBTT timing counter.
  staging: vt6656: Don't set RCR_MULTICAST or RCR_BROADCAST by default.
  MAINTAINERS: remove Stefan Popa's email
  iio: adc: ad7192: fix null pointer de-reference crash during probe
  iio: core: remove extra semi-colon from devm_iio_device_register() macro
  iio: adc: ti-ads8344: properly byte swap value
  iio: imu: inv_mpu6050: fix suspend/resume with runtime power
  iio: st_sensors: rely on odr mask to know if odr can be set
  iio: xilinx-xadc: Make sure not exceed maximum samplerate
  iio: xilinx-xadc: Fix sequencer configuration for aux channels in simultaneous mode
  iio: xilinx-xadc: Fix clearing interrupt when enabling trigger
  iio: xilinx-xadc: Fix ADC-B powerdown
  iio: dac: ad5770r: fix off-by-one check on maximum number of channels
  iio: imu: st_lsm6dsx: flush hw FIFO before resetting the device
  iio: core: Fix handling of 'dB'
  dt-bindings: iio: adc: stm32-adc: fix id relative path
  counter: 104-quad-8: Add lock guards - generic interface
  ...
2020-04-26 11:12:30 -07:00
Linus Torvalds
a8a0e2a96b Driver core fixes for 5.7-rc3
Here are some small firmware/driver core/debugfs fixes for 5.7-rc3.
 
 The debugfs change is now possible as now the last users of
 debugfs_create_u32() have been fixed up in the different trees that got
 merged into 5.7-rc1, and I don't want it creeping back in.
 
 The firmware changes did cause a regression in linux-next, so the final
 patch here reverts part of that, re-exporting the symbol to resolve that
 issue.  All of these patches, with the exception of the final one, have
 been in linux-next with only that one reported issue.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are some small firmware/driver core/debugfs fixes for 5.7-rc3.

  The debugfs change is now possible as now the last users of
  debugfs_create_u32() have been fixed up in the different trees that
  got merged into 5.7-rc1, and I don't want it creeping back in.

  The firmware changes did cause a regression in linux-next, so the
  final patch here reverts part of that, re-exporting the symbol to
  resolve that issue. All of these patches, with the exception of the
  final one, have been in linux-next with only that one reported issue"

* tag 'driver-core-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  firmware_loader: revert removal of the fw_fallback_config export
  debugfs: remove return value of debugfs_create_u32()
  firmware_loader: remove unused exports
  firmware: imx: fix compile-testing
2020-04-26 11:04:15 -07:00
Linus Torvalds
587928829a Devicetree fixes for v5.7-rc, take 2:
A couple of schema and kbuild fixes.
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Merge tag 'devicetree-fixes-for-5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull more Devicetree fixes from Rob Herring:
 "A couple of schema and kbuild fixes"

* tag 'devicetree-fixes-for-5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: phy: qcom-qusb2: Fix defaults
  dt-bindings: Fix erroneous 'additionalProperties'
  dt-bindings: Fix command line length limit calling dt-mk-schema
  dt-bindings: Re-enable core schemas for dtbs_check
2020-04-26 10:47:29 -07:00
Linus Torvalds
ab51cac00e Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Fix memory leak in netfilter flowtable, from Roi Dayan.

 2) Ref-count leaks in netrom and tipc, from Xiyu Yang.

 3) Fix warning when mptcp socket is never accepted before close, from
    Florian Westphal.

 4) Missed locking in ovs_ct_exit(), from Tonghao Zhang.

 5) Fix large delays during PTP synchornization in cxgb4, from Rahul
    Lakkireddy.

 6) team_mode_get() can hang, from Taehee Yoo.

 7) Need to use kvzalloc() when allocating fw tracer in mlx5 driver,
    from Niklas Schnelle.

 8) Fix handling of bpf XADD on BTF memory, from Jann Horn.

 9) Fix BPF_STX/BPF_B encoding in x86 bpf jit, from Luke Nelson.

10) Missing queue memory release in iwlwifi pcie code, from Johannes
    Berg.

11) Fix NULL deref in macvlan device event, from Taehee Yoo.

12) Initialize lan87xx phy correctly, from Yuiko Oshino.

13) Fix looping between VRF and XFRM lookups, from David Ahern.

14) etf packet scheduler assumes all sockets are full sockets, which is
    not necessarily true. From Eric Dumazet.

15) Fix mptcp data_fin handling in RX path, from Paolo Abeni.

16) fib_select_default() needs to handle nexthop objects, from David
    Ahern.

17) Use GFP_ATOMIC under spinlock in mac80211_hwsim, from Wei Yongjun.

18) vxlan and geneve use wrong nlattr array, from Sabrina Dubroca.

19) Correct rx/tx stats in bcmgenet driver, from Doug Berger.

20) BPF_LDX zero-extension is encoded improperly in x86_32 bpf jit, fix
    from Luke Nelson.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (100 commits)
  selftests/bpf: Fix a couple of broken test_btf cases
  tools/runqslower: Ensure own vmlinux.h is picked up first
  bpf: Make bpf_link_fops static
  bpftool: Respect the -d option in struct_ops cmd
  selftests/bpf: Add test for freplace program with expected_attach_type
  bpf: Propagate expected_attach_type when verifying freplace programs
  bpf: Fix leak in LINK_UPDATE and enforce empty old_prog_fd
  bpf, x86_32: Fix logic error in BPF_LDX zero-extension
  bpf, x86_32: Fix clobbering of dst for BPF_JSET
  bpf, x86_32: Fix incorrect encoding in BPF_LDX zero-extension
  bpf: Fix reStructuredText markup
  net: systemport: suppress warnings on failed Rx SKB allocations
  net: bcmgenet: suppress warnings on failed Rx SKB allocations
  macsec: avoid to set wrong mtu
  mac80211: sta_info: Add lockdep condition for RCU list usage
  mac80211: populate debugfs only after cfg80211 init
  net: bcmgenet: correct per TX/RX ring statistics
  net: meth: remove spurious copyright text
  net: phy: bcm84881: clear settings on link down
  chcr: Fix CPU hard lockup
  ...
2020-04-24 19:17:30 -07:00
Douglas Anderson
4bc77b2d21 dt-bindings: phy: qcom-qusb2: Fix defaults
The defaults listed in the bindings don't match what the code is
actually doing.  Presumably existing users care more about keeping
existing behavior the same, so change the bindings to match the code
in Linux.

The "qcom,preemphasis-level" default has been wrong for quite a long
time (May 2018).  The other two were recently added.

As some evidence that these values are wrong, this is from the Linux
driver:
- qcom,preemphasis-level: sets "PORT_TUNE1", lower 2 bits.  Driver
  programs PORT_TUNE1 to 0x30 by default and (0x30 & 0x3) = 0.
- qcom,bias-ctrl-value: sets "PLL_BIAS_CONTROL_2", lower 6 bits.
  Driver programs PLL_BIAS_CONTROL_2 to 0x20 by default and (0x20 &
  0x3f) = 0x20 = 32.
- qcom,hsdisc-trim-value: sets "PORT_TUNE2", lower 2 bits.  Driver
  programs PORT_TUNE2 to 0x29 by default and (0x29 & 0x3) = 1.

Fixes: 1e6f134eb6 ("dt-bindings: phy: qcom-qusb2: Add support for overriding Phy tuning parameters")
Fixes: a8b70ccf10 ("dt-bindings: phy-qcom-usb2: Add support to override tuning values")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-24 17:53:57 -05:00
Rob Herring
2bdfd4fbcb dt-bindings: Fix erroneous 'additionalProperties'
There's several cases of json-schema 'additionalProperties' at the wrong
indentation level which has the effect of making them DT properties. This
is harmless, but let's fix them so a meta-schema check for this can be
added.

In all the cases, either the 'additionalProperties' was extra or doesn't
work because there's a $ref to more properties. In the latter case, we
can use 'unevaluatedProperties' instead.

Reported-by: Iskren Chernev <iskren.chernev@gmail.com>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Saravanan Sekar <sravanhome@gmail.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-24 16:36:48 -05:00
Linus Torvalds
4544db3f84 - Ensure context synchronisation after a write to APIAKey.
- Fix bullet list formatting in Documentation/arm64/amu.rst to eliminate
   doc warnings.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - Ensure context synchronisation after a write to APIAKey.

 - Fix bullet list formatting in Documentation/arm64/amu.rst to
   eliminate doc warnings.

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  Documentation: arm64: fix amu.rst doc warnings
  arm64: sync kernel APIAKey when installing
2020-04-24 11:34:43 -07:00
Linus Torvalds
b9916af776 Kbuild fixes for v5.7
- fix scripts/config to properly handle ':' in string type CONFIG options
 
  - fix unneeded rebuilds of DT schema check rule
 
  - git rid of ordering dependency between <linux/vermagic.h> and
    <linux/module.h> to fix build errors in some network drivers
 
  - clean up generated headers of host arch with 'make ARCH=um mrproper'
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Merge tag 'kbuild-fixes-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - fix scripts/config to properly handle ':' in string type CONFIG
   options

 - fix unneeded rebuilds of DT schema check rule

 - git rid of ordering dependency between <linux/vermagic.h> and
   <linux/module.h> to fix build errors in some network drivers

 - clean up generated headers of host arch with 'make ARCH=um mrproper'

* tag 'kbuild-fixes-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  h8300: ignore vmlinux.lds
  Documentation: kbuild: fix the section title format
  um: ensure `make ARCH=um mrproper` removes arch/$(SUBARCH)/include/generated/
  arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h>
  kbuild: fix DT binding schema rule again to avoid needless rebuilds
  scripts/config: allow colons in option strings for sed
2020-04-24 10:39:32 -07:00
Linus Torvalds
b4ecf26ea2 sound fixes for 5.7-rc3
This became a slightly big pull request, as the accumulated ASoC
 fixes are included here.  Some highlights:
 
 - Revert of ASoC DAI startup changes that caused regression on some
   x86 platforms
 
 - Regression fix in HD-audio power management and driver blacklist
 
 - A collection of ASoC DAPM and topology fixes
 
 - Continued USB-audio fixes and quirks
 
 - Lots of small device-specific fixes
 
 - Rockchip S/PDIF DT stuff update for validation issues
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Merge tag 'sound-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "This became a slightly big pull request, as the accumulated ASoC fixes
  are included here. Some highlights:

   - Revert of ASoC DAI startup changes that caused regression on some
     x86 platforms

   - Regression fix in HD-audio power management and driver blacklist

   - A collection of ASoC DAPM and topology fixes

   - Continued USB-audio fixes and quirks

   - Lots of small device-specific fixes

   - Rockchip S/PDIF DT stuff update for validation issues"

* tag 'sound-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (51 commits)
  ALSA: hda: Always use jackpoll helper for jack update after resume
  ALSA: hda/realtek - Add new codec supported for ALC245
  ALSA: usb-audio: Fix usb audio refcnt leak when getting spdif
  ALSA: usb-audio: Add connector notifier delegation
  ALSA: usb-audio: Apply async workaround for Scarlett 2i4 2nd gen
  ASoC: wm8960: Fix wrong clock after suspend & resume
  ALSA: usx2y: Fix potential NULL dereference
  ALSA: usb-audio: Add quirk for Focusrite Scarlett 2i2
  ASoC: wm89xx: Add missing dependency
  ASoC: dapm: fixup dapm kcontrol widget
  ASoC: rsnd: Fix "status check failed" spam for multi-SSI
  ASoC: rsnd: Don't treat master SSI in multi SSI setup as parent
  ASoC: meson: gx-card: fix codec-to-codec link setup
  ASoC: meson: axg-card: fix codec-to-codec link setup
  ALSA: usb-audio: Add static mapping table for ALC1220-VB-based mobos
  ALSA: hda: Remove ASUS ROG Zenith from the blacklist
  ALSA: hda/realtek - Fix unexpected init_amp override
  ALSA: usb-audio: Filter out unsupported sample rates on Focusrite devices
  ASoC: SOF: Intel: add min/max channels for SSP on Baytrail/Broadwell
  ASoC: stm32: sai: fix sai probe
  ...
2020-04-24 10:27:43 -07:00
Rob Herring
8b6b80218b dt-bindings: Fix command line length limit calling dt-mk-schema
As the number of schemas has increased, we're starting to hit the error
"execvp: /bin/sh: Argument list too long". This is due to passing all the
schema files on the command line to dt-mk-schema. It currently is only
with out of tree builds and is intermittent depending on the file path
lengths.

Commit 2ba06cd856 ("kbuild: Always validate DT binding examples") made
hitting this proplem more likely since the example validation now always
gets the full list of schemas.

Fix this by passing the schema file list in a pipe and using xargs. We end
up doing the find twice, but the time is insignificant compared to the
dt-mk-schema time.

Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-24 09:28:58 -05:00
Dave Airlie
e32b2484b3 A few resources-related fixes (tidss, dp_mst, scheduler), probe fixes and
DT bindings adjustments.
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Merge tag 'drm-misc-fixes-2020-04-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

A few resources-related fixes (tidss, dp_mst, scheduler), probe fixes and
DT bindings adjustments.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200423103224.7hvyr3v7dmuny2bz@gilmour.lan
2020-04-24 10:14:04 +10:00
Randy Dunlap
59bff30ad6 Documentation: arm64: fix amu.rst doc warnings
Fix bullet list formatting to eliminate doc warnings:

Documentation/arm64/amu.rst:26: WARNING: Unexpected indentation.
Documentation/arm64/amu.rst:60: WARNING: Unexpected indentation.
Documentation/arm64/amu.rst:81: WARNING: Unexpected indentation.
Documentation/arm64/amu.rst:108: WARNING: Unexpected indentation.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Ionela Voinescu <ionela.voinescu@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2020-04-23 17:05:22 +01:00
Alan Stern
3155f4f408 USB: hub: Revert commit bd0e6c9614 ("usb: hub: try old enumeration scheme first for high speed devices")
Commit bd0e6c9614 ("usb: hub: try old enumeration scheme first for
high speed devices") changed the way the hub driver enumerates
high-speed devices.  Instead of using the "new" enumeration scheme
first and switching to the "old" scheme if that doesn't work, we start
with the "old" scheme.  In theory this is better because the "old"
scheme is slightly faster -- it involves resetting the device only
once instead of twice.

However, for a long time Windows used only the "new" scheme.  Zeng Tao
said that Windows 8 and later use the "old" scheme for high-speed
devices, but apparently there are some devices that don't like it.
William Bader reports that the Ricoh webcam built into his Sony Vaio
laptop not only doesn't enumerate under the "old" scheme, it gets hung
up so badly that it won't then enumerate under the "new" scheme!  Only
a cold reset will fix it.

Therefore we will revert the commit and go back to trying the "new"
scheme first for high-speed devices.

Reported-and-tested-by: William Bader <williambader@hotmail.com>
Ref: https://bugzilla.kernel.org/show_bug.cgi?id=207219
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Fixes: bd0e6c9614 ("usb: hub: try old enumeration scheme first for high speed devices")
CC: Zeng Tao <prime.zeng@hisilicon.com>
CC: <stable@vger.kernel.org>

Link: https://lore.kernel.org/r/Pine.LNX.4.44L0.2004221611230.11262-100000@iolanthe.rowland.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-23 15:22:41 +02:00
Stephen Hemminger
5cc4adbcfc Documentation: add documentation of ping_group_range
Support for non-root users to send ICMP ECHO requests was added
back in Linux 3.0 kernel, but the documentation for the sysctl
to enable it has been missing.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-22 19:29:26 -07:00
Masahiro Yamada
ff4634eeed Documentation: kbuild: fix the section title format
Make it consistent with the other sections.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-04-23 10:53:19 +09:00
Rob Herring
e996c1fd0c dt-bindings: Re-enable core schemas for dtbs_check
In commit 2ba06cd856 ("kbuild: Always validate DT binding examples"),
the core schemas (from dtschema repo) were inadvertently disabled for
dtbs_checks. Re-enable them.

Fixes: 2ba06cd856 ("kbuild: Always validate DT binding examples")
Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-22 13:41:07 -05:00
Ingo Molnar
87cfeb1920 perf/core fixes and improvements:
kernel + tools/perf:
 
   Alexey Budankov:
 
   - Introduce CAP_PERFMON to kernel and user space.
 
 callchains:
 
   Adrian Hunter:
 
   - Allow using Intel PT to synthesize callchains for regular events.
 
   Kan Liang:
 
   - Stitch LBR records from multiple samples to get deeper backtraces,
     there are caveats, see the csets for details.
 
 perf script:
 
   Andreas Gerstmayr:
 
   - Add flamegraph.py script
 
 BPF:
 
   Jiri Olsa:
 
   - Synthesize bpf_trampoline/dispatcher ksymbol events.
 
 perf stat:
 
   Arnaldo Carvalho de Melo:
 
   - Honour --timeout for forked workloads.
 
   Stephane Eranian:
 
   - Force error in fallback on :k events, to avoid counting nothing when
     the user asks for kernel events but is not allowed to.
 
 perf bench:
 
   Ian Rogers:
 
   - Add event synthesis benchmark.
 
 tools api fs:
 
   Stephane Eranian:
 
  - Make xxx__mountpoint() more scalable
 
 libtraceevent:
 
   He Zhe:
 
   - Handle return value of asprintf.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo-5.8-20200420' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core

Pull perf/core fixes and improvements from Arnaldo Carvalho de Melo:

kernel + tools/perf:

  Alexey Budankov:

  - Introduce CAP_PERFMON to kernel and user space.

callchains:

  Adrian Hunter:

  - Allow using Intel PT to synthesize callchains for regular events.

  Kan Liang:

  - Stitch LBR records from multiple samples to get deeper backtraces,
    there are caveats, see the csets for details.

perf script:

  Andreas Gerstmayr:

  - Add flamegraph.py script

BPF:

  Jiri Olsa:

  - Synthesize bpf_trampoline/dispatcher ksymbol events.

perf stat:

  Arnaldo Carvalho de Melo:

  - Honour --timeout for forked workloads.

  Stephane Eranian:

  - Force error in fallback on :k events, to avoid counting nothing when
    the user asks for kernel events but is not allowed to.

perf bench:

  Ian Rogers:

  - Add event synthesis benchmark.

tools api fs:

  Stephane Eranian:

 - Make xxx__mountpoint() more scalable

libtraceevent:

  He Zhe:

  - Handle return value of asprintf.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2020-04-22 14:08:28 +02:00
Takashi Iwai
e7b6b3ec01 ASoC: Fixes for v5.7
Quite a lot of fixes here, a lot of driver specific ones but the biggest
 one is the revert of changes to the startup and shutdown sequence for
 DAIs that went in during the merge window - they broke some older x86
 platforms and attempts to fix them didn't succeed so it's safer to just
 roll them back and try to make sure those platforms are handled properly
 in any future attempt.
 
 The rockchip S/PDIF DT stuff was IIRC for validation issues.
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Merge tag 'asoc-fix-v5.7-rc2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v5.7

Quite a lot of fixes here, a lot of driver specific ones but the biggest
one is the revert of changes to the startup and shutdown sequence for
DAIs that went in during the merge window - they broke some older x86
platforms and attempts to fix them didn't succeed so it's safer to just
roll them back and try to make sure those platforms are handled properly
in any future attempt.

The rockchip S/PDIF DT stuff was IIRC for validation issues.
2020-04-21 21:41:36 +02:00
Greg Kroah-Hartman
c532cc617e First set of IIO fixes for the 5.7 cycle.
Includes one MAINTAINERS update to avoid people getting a lot of bounce
 messages and complaining about it.
 
 * MAINTAINERS
   - Drop Stefan Popa's Analog Devices email address in favour of
     Michael Hennerich.
 * core
   - Fix handling of dB sysfs inputs.
   - Drop a stray semi colon in macro definition.
 * ad5770r
   - Fix an off by one in chec on maximum number of channels.
 * ad7192
   - Fix a null pointer de-reference due to the name previously being
     retrieved from the spi_get_device_id call which no longer works as
     the relevant table was removed.
 * ad7797
   - Use correct attribute group.
 * counter/104-quad-8
   - Add locks to prevent some race conditions.
 * inv-mpu6050
   - Fix issues around suspend / resume clashing with runtime PM.
 * stm32-adc
   - Fix sleep in invalid context
   - Fix id relative path error in device tree binding doc.
 * st_lsm6dsx
   - Fix a read alignment issue on an untagged FIFO.
   - Handle odr for slave to properly compute the FIFO data layout / pattern.
   - Flush the HW FIFO before resettting the device to avoid a race on
     interrupt line 1.
 * st_sensors
   - Rely on ODR mask not ODR address to identify if the ODR can be set.
     Some devices have an ODR address of 0.
 * ti-ads8344
   - Byte ordering was wrong - fix it.
 * xilinx-xadc
   - Fix inverted logic in powering down the second ADC.
   - Fix clearing interrupt when enabling the trigger.
   - Fix configuration of sequencer when in simultaneous sampling mode.
   - Limit initial sampling rate as done for runtime configured ones.
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Merge tag 'iio-fixes-for-5.7a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus

Jonathan writes:

First set of IIO fixes for the 5.7 cycle.

Includes one MAINTAINERS update to avoid people getting a lot of bounce
messages and complaining about it.

* MAINTAINERS
  - Drop Stefan Popa's Analog Devices email address in favour of
    Michael Hennerich.
* core
  - Fix handling of dB sysfs inputs.
  - Drop a stray semi colon in macro definition.
* ad5770r
  - Fix an off by one in chec on maximum number of channels.
* ad7192
  - Fix a null pointer de-reference due to the name previously being
    retrieved from the spi_get_device_id call which no longer works as
    the relevant table was removed.
* ad7797
  - Use correct attribute group.
* counter/104-quad-8
  - Add locks to prevent some race conditions.
* inv-mpu6050
  - Fix issues around suspend / resume clashing with runtime PM.
* stm32-adc
  - Fix sleep in invalid context
  - Fix id relative path error in device tree binding doc.
* st_lsm6dsx
  - Fix a read alignment issue on an untagged FIFO.
  - Handle odr for slave to properly compute the FIFO data layout / pattern.
  - Flush the HW FIFO before resettting the device to avoid a race on
    interrupt line 1.
* st_sensors
  - Rely on ODR mask not ODR address to identify if the ODR can be set.
    Some devices have an ODR address of 0.
* ti-ads8344
  - Byte ordering was wrong - fix it.
* xilinx-xadc
  - Fix inverted logic in powering down the second ADC.
  - Fix clearing interrupt when enabling the trigger.
  - Fix configuration of sequencer when in simultaneous sampling mode.
  - Limit initial sampling rate as done for runtime configured ones.

* tag 'iio-fixes-for-5.7a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
  MAINTAINERS: remove Stefan Popa's email
  iio: adc: ad7192: fix null pointer de-reference crash during probe
  iio: core: remove extra semi-colon from devm_iio_device_register() macro
  iio: adc: ti-ads8344: properly byte swap value
  iio: imu: inv_mpu6050: fix suspend/resume with runtime power
  iio: st_sensors: rely on odr mask to know if odr can be set
  iio: xilinx-xadc: Make sure not exceed maximum samplerate
  iio: xilinx-xadc: Fix sequencer configuration for aux channels in simultaneous mode
  iio: xilinx-xadc: Fix clearing interrupt when enabling trigger
  iio: xilinx-xadc: Fix ADC-B powerdown
  iio: dac: ad5770r: fix off-by-one check on maximum number of channels
  iio: imu: st_lsm6dsx: flush hw FIFO before resetting the device
  iio: core: Fix handling of 'dB'
  dt-bindings: iio: adc: stm32-adc: fix id relative path
  counter: 104-quad-8: Add lock guards - generic interface
  iio: imu: st_lsm6dsx: specify slave odr in slv_odr
  iio: imu: st_lsm6dsx: fix read misalignment on untagged FIFO
  iio: adc: stm32-adc: fix sleep in atomic context
  iio:ad7797: Use correct attribute_group
2020-04-20 14:07:00 +02:00
Fabrice Gasnier
6f63c90aa3 dt-bindings: iio: adc: stm32-adc: fix id relative path
Fix id relative path that shouldn't contain 'bindings', as pointed out
when submitting st,stm32-dac bindings conversion to json-schema [1].
[1] https://patchwork.ozlabs.org/patch/1257568/

Fixes: a8cf1723c4 ("dt-bindings: iio: adc: stm32-adc: convert bindings to json-schema")

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-04-19 17:50:01 +01:00
Linus Torvalds
eeaa762549 hwmon fixes for v5.7-rc2
pmbus/isl68137:
     Fix up chip IDs
 drivetemp:
     Return -ENODATA for invalid temperatures
     Use true module name
 k10temp:
     Fix static symbol warnings
 jc42:
     Use valid hwmon device name
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Merge tag 'hwmon-for-v5.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:

 - Fix up chip IDs (isl68137)

 - error handling for invalid temperatures and use true module name
   (drivetemp)

 - Fix static symbol warnings (k10temp)

 - Use valid hwmon device name (jc42)

* tag 'hwmon-for-v5.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (jc42) Fix name to have no illegal characters
  hwmon: (k10temp) make some symbols static
  hwmon: (drivetemp) Return -ENODATA for invalid temperatures
  hwmon: (drivetemp) Use drivetemp's true module name in Kconfig section
  hwmon: (pmbus/isl68137) Fix up chip IDs
2020-04-18 13:28:09 -07:00
Linus Torvalds
90280eaa88 A handful of fixes for reasonably obnoxious documentation issues.
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Merge tag 'docs-fixes' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "A handful of fixes for reasonably obnoxious documentation issues"

* tag 'docs-fixes' of git://git.lwn.net/linux:
  scripts: documentation-file-ref-check: Add line break before exit
  scripts/kernel-doc: Add missing close-paren in c:function directives
  docs: admin-guide: merge sections for the kernel.modprobe sysctl
  docs: timekeeping: Use correct prototype for deprecated functions
2020-04-17 13:10:50 -07:00
Linus Torvalds
8fce9058ca Devicetree fixes for v5.7:
- Fix warnings from enabling more dtc warnings which landed in the merge
   window and didn't get fixed in time.
 
 - Fix some document references from DT schema conversions
 
 - Fix kmemleak errors in DT unittests
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Merge tag 'devicetree-fixes-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Fix warnings from enabling more dtc warnings which landed in the
   merge window and didn't get fixed in time.

 - Fix some document references from DT schema conversions

 - Fix kmemleak errors in DT unittests

* tag 'devicetree-fixes-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (23 commits)
  kbuild: check libyaml installation for 'make dt_binding_check'
  of: unittest: kmemleak in duplicate property update
  of: overlay: kmemleak in dup_and_fixup_symbol_prop()
  of: unittest: kmemleak in of_unittest_overlay_high_level()
  of: unittest: kmemleak in of_unittest_platform_populate()
  of: unittest: kmemleak on changeset destroy
  MAINTAINERS: dt: fix pointers for ARM Integrator, Versatile and RealView
  MAINTAINERS: dt: update display/allwinner file entry
  dt-bindings: iio: dac: AD5570R fix bindings errors
  dt-bindings: Fix misspellings of "Analog Devices"
  dt-bindings: pwm: Fix cros-ec-pwm example dtc 'reg' warning
  docs: dt: rockchip,dwc3.txt: fix a pointer to a renamed file
  docs: dt: fix a broken reference for a file converted to json
  docs: dt: qcom,dwc3.txt: fix cross-reference for a converted file
  docs: dt: fix broken reference to phy-cadence-torrent.yaml
  dt-bindings: interrupt-controller: Fix loongson,parent_int_map property schema
  dt-bindings: hwmon: Fix incorrect $id paths
  dt-bindings: Fix dtc warnings on reg and ranges in examples
  dt-bindings: BD718x7 - add missing I2C bus properties
  dt-bindings: clock: syscon-icst: Remove unneeded unit name
  ...
2020-04-17 11:35:20 -07:00
Greg Kroah-Hartman
2b07021a94 debugfs: remove return value of debugfs_create_u32()
No one checks the return value of debugfs_create_u32(), as it's not
needed, so make the return value void, so that no one tries to do so in
the future.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20200416145448.GA1380878@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-17 17:08:50 +02:00
Alexandru Tachici
2cf3818f18 dt-bindings: iio: dac: AD5570R fix bindings errors
Replaced num property with reg property, fixed errors
reported by dt-binding-check.

Fixes: ea52c21268 ("dt-bindings: iio: dac: Add docs for AD5770R DAC")
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
[robh: Fix required property list, fix Fixes tag]
Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-17 08:29:16 -05:00
Linus Torvalds
c8372665b4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Disable RISCV BPF JIT builds when !MMU, from Björn Töpel.

 2) nf_tables leaves dangling pointer after free, fix from Eric Dumazet.

 3) Out of boundary write in __xsk_rcv_memcpy(), fix from Li RongQing.

 4) Adjust icmp6 message source address selection when routes have a
    preferred source address set, from Tim Stallard.

 5) Be sure to validate HSR protocol version when creating new links,
    from Taehee Yoo.

 6) CAP_NET_ADMIN should be sufficient to manage l2tp tunnels even in
    non-initial namespaces, from Michael Weiß.

 7) Missing release firmware call in mlx5, from Eran Ben Elisha.

 8) Fix variable type in macsec_changelink(), caught by KASAN. Fix from
    Taehee Yoo.

 9) Fix pause frame negotiation in marvell phy driver, from Clemens
    Gruber.

10) Record RX queue early enough in tun packet paths such that XDP
    programs will see the correct RX queue index, from Gilberto Bertin.

11) Fix double unlock in mptcp, from Florian Westphal.

12) Fix offset overflow in ARM bpf JIT, from Luke Nelson.

13) marvell10g needs to soft reset PHY when coming out of low power
    mode, from Russell King.

14) Fix MTU setting regression in stmmac for some chip types, from
    Florian Fainelli.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (101 commits)
  amd-xgbe: Use __napi_schedule() in BH context
  mISDN: make dmril and dmrim static
  net: stmmac: dwmac-sunxi: Provide TX and RX fifo sizes
  net: dsa: mt7530: fix tagged frames pass-through in VLAN-unaware mode
  tipc: fix incorrect increasing of link window
  Documentation: Fix tcp_challenge_ack_limit default value
  net: tulip: make early_486_chipsets static
  dt-bindings: net: ethernet-phy: add desciption for ethernet-phy-id1234.d400
  ipv6: remove redundant assignment to variable err
  net/rds: Use ERR_PTR for rds_message_alloc_sgs()
  net: mscc: ocelot: fix untagged packet drops when enslaving to vlan aware bridge
  selftests/bpf: Check for correct program attach/detach in xdp_attach test
  libbpf: Fix type of old_fd in bpf_xdp_set_link_opts
  libbpf: Always specify expected_attach_type on program load if supported
  xsk: Add missing check on user supplied headroom size
  mac80211: fix channel switch trigger from unknown mesh peer
  mac80211: fix race in ieee80211_register_hw()
  net: marvell10g: soft-reset the PHY when coming out of low power
  net: marvell10g: report firmware version
  net/cxgb4: Check the return from t4_query_params properly
  ...
2020-04-16 14:52:29 -07:00
Geert Uytterhoeven
9b5d2a4f79 dt-bindings: Fix misspellings of "Analog Devices"
According to https://www.analog.com/, the company name is spelled
"Analog Devices".

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rob Herring <robh@kernel.org>
2020-04-16 14:30:58 -05:00
Alexey Budankov
025b16f81d doc/admin-guide: update kernel.rst with CAP_PERFMON information
Update the kernel.rst documentation file with the information related to
usage of CAP_PERFMON capability to secure performance monitoring and
observability operations in system.

Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Igor Lubashev <ilubashe@akamai.com>
Cc: James Morris <jmorris@namei.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Serge Hallyn <serge@hallyn.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: intel-gfx@lists.freedesktop.org
Cc: linux-doc@vger.kernel.org
Cc: linux-man@vger.kernel.org
Cc: linux-security-module@vger.kernel.org
Cc: selinux@vger.kernel.org
Link: http://lore.kernel.org/lkml/84c32383-14a2-fa35-16b6-f9e59bd37240@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-04-16 12:19:12 -03:00
Alexey Budankov
902a8dcc5b doc/admin-guide: Update perf-security.rst with CAP_PERFMON information
Update perf-security.rst documentation file with the information
related to usage of CAP_PERFMON capability to secure performance
monitoring and observability operations in system.

Committer notes:

While testing 'perf top' under cap_perfmon I noticed that it needs
some more capability and Alexey pointed out cap_ipc_lock, as needed by
this kernel chunk:

  kernel/events/core.c: 6101
       if ((locked > lock_limit) && perf_is_paranoid() &&
               !capable(CAP_IPC_LOCK)) {
               ret = -EPERM;
               goto unlock;
       }

So I added it to the documentation, and also mentioned that if the
libcap version doesn't yet supports 'cap_perfmon', its numeric value can
be used instead, i.e. if:

	# setcap "cap_perfmon,cap_ipc_lock,cap_sys_ptrace,cap_syslog=ep" perf

Fails, try:

	# setcap "38,cap_ipc_lock,cap_sys_ptrace,cap_syslog=ep" perf

I also added a paragraph stating that using an unpatched libcap will
fail the check for CAP_PERFMON, as it checks the cap number against a
maximum to see if it is valid, which makes it use as the default the
'cycles:u' event, even tho a cap_perfmon capable perf binary can get
kernel samples, to workaround that just use, e.g.:

  # perf top -e cycles
  # perf record -e cycles

And it will sample kernel and user modes.

Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Igor Lubashev <ilubashe@akamai.com>
Cc: James Morris <jmorris@namei.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Serge Hallyn <serge@hallyn.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: intel-gfx@lists.freedesktop.org
Cc: linux-doc@vger.kernel.org
Cc: linux-man@vger.kernel.org
Cc: linux-security-module@vger.kernel.org
Cc: selinux@vger.kernel.org
Link: http://lore.kernel.org/lkml/17278551-9399-9ebe-d665-8827016a217d@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-04-16 12:19:10 -03:00
Yoshihiro Shimoda
68b1add4c5 dt-bindings: usb: renesas,usb3-peri: add r8a77961 support
This patch adds support for r8a77961 (R-Car M3-W+).

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-04-16 11:02:29 +03:00
Yoshihiro Shimoda
0dc710353f dt-bindings: usb: renesas,usbhs: add r8a77961 support
This patch adds support for r8a77961 (R-Car M3-W+).

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-04-16 11:02:29 +03:00
Yoshihiro Shimoda
37db507496 dt-bindings: usb: usb-xhci: add r8a77961 support
This patch adds support for r8a77961 (R-Car M3-W+).

To avoid confusion between R-Car M3-W (R8A77960) and R-Car M3-W+
(R8A77961), this patch also updates the comment of
"renesas,xhci-r8a7796".

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-04-16 11:02:28 +03:00