Commit Graph

968192 Commits

Author SHA1 Message Date
Jakub Kicinski
28d35ad083 Here are some batman-adv bugfixes:
- Fix head/tailroom issues for fragments, by Sven Eckelmann (3 patches)
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Merge tag 'batadv-net-pullrequest-20201127' of git://git.open-mesh.org/linux-merge

Simon Wunderlich says:

====================
Here are some batman-adv bugfixes:

 - Fix head/tailroom issues for fragments, by Sven Eckelmann (3 patches)

* tag 'batadv-net-pullrequest-20201127' of git://git.open-mesh.org/linux-merge:
  batman-adv: Don't always reallocate the fragmentation skb head
  batman-adv: Reserve needed_*room for fragments
  batman-adv: Consider fragmentation for needed_headroom
====================

Link: https://lore.kernel.org/r/20201127173849.19208-1-sw@simonwunderlich.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 11:56:06 -08:00
Antoine Tenart
44f64f23ba netfilter: bridge: reset skb->pkt_type after NF_INET_POST_ROUTING traversal
Netfilter changes PACKET_OTHERHOST to PACKET_HOST before invoking the
hooks as, while it's an expected value for a bridge, routing expects
PACKET_HOST. The change is undone later on after hook traversal. This
can be seen with pairs of functions updating skb>pkt_type and then
reverting it to its original value:

For hook NF_INET_PRE_ROUTING:
  setup_pre_routing / br_nf_pre_routing_finish

For hook NF_INET_FORWARD:
  br_nf_forward_ip / br_nf_forward_finish

But the third case where netfilter does this, for hook
NF_INET_POST_ROUTING, the packet type is changed in br_nf_post_routing
but never reverted. A comment says:

  /* We assume any code from br_dev_queue_push_xmit onwards doesn't care
   * about the value of skb->pkt_type. */

But when having a tunnel (say vxlan) attached to a bridge we have the
following call trace:

  br_nf_pre_routing
  br_nf_pre_routing_ipv6
     br_nf_pre_routing_finish
  br_nf_forward_ip
     br_nf_forward_finish
  br_nf_post_routing           <- pkt_type is updated to PACKET_HOST
     br_nf_dev_queue_xmit      <- but not reverted to its original value
  vxlan_xmit
     vxlan_xmit_one
        skb_tunnel_check_pmtu  <- a check on pkt_type is performed

In this specific case, this creates issues such as when an ICMPv6 PTB
should be sent back. When CONFIG_BRIDGE_NETFILTER is enabled, the PTB
isn't sent (as skb_tunnel_check_pmtu checks if pkt_type is PACKET_HOST
and returns early).

If the comment is right and no one cares about the value of
skb->pkt_type after br_dev_queue_push_xmit (which isn't true), resetting
it to its original value should be safe.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Reviewed-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20201123174902.622102-1-atenart@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-28 11:46:51 -08:00
Linus Torvalds
c84e1efae0 asm-generic: add correct MAX_POSSIBLE_PHYSMEM_BITS setting
This is a single bugfix for a bug that Stefan Agner found on 32-bit
 Arm, but that exists on several other architectures.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'asm-generic-fixes-5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull asm-generic fix from Arnd Bergmann:
 "Add correct MAX_POSSIBLE_PHYSMEM_BITS setting to asm-generic.

  This is a single bugfix for a bug that Stefan Agner found on 32-bit
  Arm, but that exists on several other architectures"

* tag 'asm-generic-fixes-5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  arch: pgtable: define MAX_POSSIBLE_PHYSMEM_BITS where needed
2020-11-27 15:00:35 -08:00
Linus Torvalds
303bc93472 ARM: SoC fixes for v5.10, part 3
Another set of patches for devicetree files and Arm
 SoC specific drivers:
 
  - A fix for OP-TEE shared memory on non-SMP systems
 
  - multiple code fixes for the OMAP platform, including
    one regression for the CPSW network driver and a few
    runtime warning fixes
 
  - Some DT patches for the Rockchip RK3399 platform,
    in particular fixing the MMC device ordering that
    recently became nondeterministic with async probe.
 
  - Multiple DT fixes for the Tegra platform, including
    a regression fix for suspend/resume on TX2
 
  - A regression fix for a user-triggered fault in the
    NXP dpio driver
 
  - A regression fix for a bug caused by an earlier bug
    fix in the xilinx firmware driver
 
  - Two more DTC warning fixes
 
  - Sylvain Lemieux steps down as maintainer for the
    NXP LPC32xx platform
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-fixes-v5.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "Another set of patches for devicetree files and Arm SoC specific
  drivers:

   - A fix for OP-TEE shared memory on non-SMP systems

   - multiple code fixes for the OMAP platform, including one regression
     for the CPSW network driver and a few runtime warning fixes

   - Some DT patches for the Rockchip RK3399 platform, in particular
     fixing the MMC device ordering that recently became
     nondeterministic with async probe.

   - Multiple DT fixes for the Tegra platform, including a regression
     fix for suspend/resume on TX2

   - A regression fix for a user-triggered fault in the NXP dpio driver

   - A regression fix for a bug caused by an earlier bug fix in the
     xilinx firmware driver

   - Two more DTC warning fixes

   - Sylvain Lemieux steps down as maintainer for the NXP LPC32xx
     platform"

* tag 'arm-soc-fixes-v5.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (24 commits)
  arm64: tegra: Fix Tegra234 VDK node names
  arm64: tegra: Wrong AON HSP reg property size
  arm64: tegra: Fix USB_VBUS_EN0 regulator on Jetson TX1
  arm64: tegra: Correct the UART for Jetson Xavier NX
  arm64: tegra: Disable the ACONNECT for Jetson TX2
  optee: add writeback to valid memory type
  firmware: xilinx: Use hash-table for api feature check
  firmware: xilinx: Fix SD DLL node reset issue
  soc: fsl: dpio: Get the cpumask through cpumask_of(cpu)
  ARM: dts: dra76x: m_can: fix order of clocks
  bus: ti-sysc: suppress err msg for timers used as clockevent/source
  MAINTAINERS: Remove myself as LPC32xx maintainers
  arm64: dts: qcom: clear the warnings caused by empty dma-ranges
  arm64: dts: broadcom: clear the warnings caused by empty dma-ranges
  ARM: dts: am437x-l4: fix compatible for cpsw switch dt node
  arm64: dts: rockchip: Reorder LED triggers from mmc devices on rk3399-roc-pc.
  arm64: dts: rockchip: Assign a fixed index to mmc devices on rk3399 boards.
  arm64: dts: rockchip: Remove system-power-controller from pmic on Odroid Go Advance
  arm64: dts: rockchip: fix NanoPi R2S GMAC clock name
  ARM: OMAP2+: Manage MPU state properly for omap_enter_idle_coupled()
  ...
2020-11-27 14:48:03 -08:00
Linus Torvalds
79c0c1f038 Networking fixes for 5.10-rc6, including fixes from the WiFi driver,
and can subtrees.
 
 Current release - regressions:
 
  - gro_cells: reduce number of synchronize_net() calls
 
  - ch_ktls: release a lock before jumping to an error path
 
 Current release - always broken:
 
  - tcp: Allow full IP tos/IPv6 tclass to be reflected in L3 header
 
 Previous release - regressions:
 
  - net/tls: fix missing received data after fast remote close
 
  - vsock/virtio: discard packets only when socket is really closed
 
  - sock: set sk_err to ee_errno on dequeue from errq
 
  - cxgb4: fix the panic caused by non smac rewrite
 
 Previous release - always broken:
 
  - tcp: fix corner cases around setting ECN with BPF selection
         of congestion control
 
  - tcp: fix race condition when creating child sockets from
         syncookies on loopback interface
 
  - usbnet: ipheth: fix connectivity with iOS 14
 
  - tun: honor IOCB_NOWAIT flag
 
  - net/packet: fix packet receive on L3 devices without visible
                hard header
 
  - devlink: Make sure devlink instance and port are in same net
             namespace
 
  - net: openvswitch: fix TTL decrement action netlink message format
 
  - bonding: wait for sysfs kobject destruction before freeing
             struct slave
 
  - net: stmmac: fix upstream patch applied to the wrong context
 
  - bnxt_en: fix return value and unwind in probe error paths
 
 Misc:
 
  - devlink: add extra layer of categorization to the reload stats
             uAPI before it's released
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Networking fixes for 5.10-rc6, including fixes from the WiFi driver,
  and CAN subtrees.

  Current release - regressions:

   - gro_cells: reduce number of synchronize_net() calls

   - ch_ktls: release a lock before jumping to an error path

  Current release - always broken:

   - tcp: Allow full IP tos/IPv6 tclass to be reflected in L3 header

  Previous release - regressions:

   - net/tls: fix missing received data after fast remote close

   - vsock/virtio: discard packets only when socket is really closed

   - sock: set sk_err to ee_errno on dequeue from errq

   - cxgb4: fix the panic caused by non smac rewrite

  Previous release - always broken:

   - tcp: fix corner cases around setting ECN with BPF selection of
     congestion control

   - tcp: fix race condition when creating child sockets from syncookies
     on loopback interface

   - usbnet: ipheth: fix connectivity with iOS 14

   - tun: honor IOCB_NOWAIT flag

   - net/packet: fix packet receive on L3 devices without visible hard
     header

   - devlink: Make sure devlink instance and port are in same net
     namespace

   - net: openvswitch: fix TTL decrement action netlink message format

   - bonding: wait for sysfs kobject destruction before freeing struct
     slave

   - net: stmmac: fix upstream patch applied to the wrong context

   - bnxt_en: fix return value and unwind in probe error paths

  Misc:

   - devlink: add extra layer of categorization to the reload stats uAPI
     before it's released"

* tag 'net-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (68 commits)
  sock: set sk_err to ee_errno on dequeue from errq
  mptcp: fix NULL ptr dereference on bad MPJ
  net: openvswitch: fix TTL decrement action netlink message format
  can: af_can: can_rx_unregister(): remove WARN() statement from list operation sanity check
  can: m_can: m_can_dev_setup(): add support for bosch mcan version 3.3.0
  can: m_can: fix nominal bitiming tseg2 min for version >= 3.1
  can: m_can: m_can_open(): remove IRQF_TRIGGER_FALLING from request_threaded_irq()'s flags
  can: mcp251xfd: mcp251xfd_probe(): bail out if no IRQ was given
  can: gs_usb: fix endianess problem with candleLight firmware
  ch_ktls: lock is not freed
  net/tls: Protect from calling tls_dev_del for TLS RX twice
  devlink: Make sure devlink instance and port are in same net namespace
  devlink: Hold rtnl lock while reading netdev attributes
  ptp: clockmatrix: bug fix for idtcm_strverscmp
  enetc: Let the hardware auto-advance the taprio base-time of 0
  gro_cells: reduce number of synchronize_net() calls
  net: stmmac: fix incorrect merge of patch upstream
  ipv6: addrlabel: fix possible memory leak in ip6addrlbl_net_init
  Documentation: netdev-FAQ: suggest how to post co-dependent series
  ibmvnic: enhance resetting status check during module exit
  ...
2020-11-27 14:38:02 -08:00
Linus Torvalds
80e1e1761d SCSI fixes on 20201127
Three small fixes in the UFS driver: two are for power management
 issues and the third is to fix a slew of problem in the sysfs code.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Three small fixes in the UFS driver: two are for power management
  issues and the third is to fix a slew of problem in the sysfs code"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: ufs: Fix race between shutdown and runtime resume flow
  scsi: ufs: Make sure clk scaling happens only when HBA is runtime ACTIVE
  scsi: ufs: Fix unexpected values from ufshcd_read_desc_param()
2020-11-27 14:06:23 -08:00
Linus Torvalds
9223e74f99 io_uring-5.10-2020-11-27
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Merge tag 'io_uring-5.10-2020-11-27' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:

 - Out of bounds fix for the cq size cap from earlier this release (Joseph)

 - iov_iter type check fix (Pavel)

 - Files grab + cancelation fix (Pavel)

* tag 'io_uring-5.10-2020-11-27' of git://git.kernel.dk/linux-block:
  io_uring: fix files grab/cancel race
  io_uring: fix ITER_BVEC check
  io_uring: fix shift-out-of-bounds when round up cq size
2020-11-27 12:56:04 -08:00
Linus Torvalds
d021c3e56d block-5.10-2020-11-27
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Merge tag 'block-5.10-2020-11-27' of git://git.kernel.dk/linux-block

Pull block fix from Jens Axboe:
 "Just a single fix, for a crash in the keyslot manager"

* tag 'block-5.10-2020-11-27' of git://git.kernel.dk/linux-block:
  block/keyslot-manager: prevent crash when num_slots=1
2020-11-27 12:49:01 -08:00
Linus Torvalds
a17a3ca55e for-5.10-rc5-tag
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Merge tag 'for-5.10-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:
 "A few fixes for various warnings that accumulated over past two weeks:

   - tree-checker: add missing return values for some errors

   - lockdep fixes
      - when reading qgroup config and starting quota rescan
      - reverse order of quota ioctl lock and VFS freeze lock

   - avoid accessing potentially stale fs info during device scan,
     reported by syzbot

   - add scope NOFS protection around qgroup relation changes

   - check for running transaction before flushing qgroups

   - fix tracking of new delalloc ranges for some cases"

* tag 'for-5.10-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: fix lockdep splat when enabling and disabling qgroups
  btrfs: do nofs allocations when adding and removing qgroup relations
  btrfs: fix lockdep splat when reading qgroup config on mount
  btrfs: tree-checker: add missing returns after data_ref alignment checks
  btrfs: don't access possibly stale fs_info data for printing duplicate device
  btrfs: tree-checker: add missing return after error in root_item
  btrfs: qgroup: don't commit transaction when we already hold the handle
  btrfs: fix missing delalloc new bit for new delalloc ranges
2020-11-27 12:42:13 -08:00
Linus Torvalds
d41e9b22eb RDMA 5.10 fourth rc pull request
Two notable security issues and a collection of minor fixes:
 
 - Significant out of bounds access security issue in i40iw
 
 - Fix misuse of mmu notifiers in hfi1
 
 - Several errors in the register map/usage in hns
 
 - Missing error returns in mthca
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma fixes from Jason Gunthorpe:
 "Two security issues and several small bug fixes. Things seem to have
  stabilized for this release here.

  Summary:

   - Significant out of bounds access security issue in i40iw

   - Fix misuse of mmu notifiers in hfi1

   - Several errors in the register map/usage in hns

   - Missing error returns in mthca"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  RDMA/hns: Bugfix for memory window mtpt configuration
  RDMA/hns: Fix retry_cnt and rnr_cnt when querying QP
  RDMA/hns: Fix wrong field of SRQ number the device supports
  IB/hfi1: Ensure correct mm is used at all times
  RDMA/i40iw: Address an mmap handler exploit in i40iw
  IB/mthca: fix return value of error branch in mthca_init_cq()
2020-11-27 12:31:04 -08:00
Linus Torvalds
76dc2bfc2e Raw NAND changes:
* Because of a recent change in the core, NAND controller drivers
   initializing the ECC engine too early in the probe path are
   broken. Drivers should wait for the NAND device to be discovered and
   its memory layout known before doing any ECC related initialization,
   so instead of reverting the faulty change which is actually moving
   in the right direction, let's fix the drivers directly: socrates,
   sharpsl, r852, plat_nand, pasemi, tmio, txx9ndfmc, orion, mpc5121,
   lpc32xx_slc, lpc32xx_mlc, fsmc, diskonchip, davinci, cs553x, au1550,
   ams-delta, xway and gpio.
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Merge tag 'mtd/fixes-for-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

Pull mtd fixes from Miquel Raynal:
 "Because of a recent change in the core, NAND controller drivers
  initializing the ECC engine too early in the probe path are broken.

  Drivers should wait for the NAND device to be discovered and its
  memory layout known before doing any ECC related initialization, so
  instead of reverting the faulty change which is actually moving in the
  right direction, let's fix the drivers directly: socrates, sharpsl,
  r852, plat_nand, pasemi, tmio, txx9ndfmc, orion, mpc5121, lpc32xx_slc,
  lpc32xx_mlc, fsmc, diskonchip, davinci, cs553x, au1550, ams-delta,
  xway and gpio"

* tag 'mtd/fixes-for-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
  mtd: rawnand: socrates: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: sharpsl: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: r852: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: plat_nand: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: pasemi: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: tmio: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: txx9ndfmc: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: orion: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: mpc5121: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: lpc32xx_slc: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: lpc32xx_mlc: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: fsmc: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: diskonchip: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: davinci: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: cs553x: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: au1550: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: ams-delta: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: xway: Move the ECC initialization to ->attach_chip()
  mtd: rawnand: gpio: Move the ECC initialization to ->attach_chip()
2020-11-27 12:03:07 -08:00
Linus Torvalds
87c301ca91 spi: Fixes for v5.10
A few fixes for v5.10, one for the core which fixes some potential races
 for controllers with multiple chip selects when configuration of the
 chip select for one client device races with the addition and initial
 setup of an additional client.
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Merge tag 'spi-fix-v5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A few fixes for v5.10,  one for the core which fixes some potential
  races for controllers with multiple chip selects when configuration of
  the chip select for one client device races with the addition and
  initial setup of an additional client"

* tag 'spi-fix-v5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: dw: Fix spi registration for controllers overriding CS
  spi: imx: fix the unbalanced spi runtime pm management
  spi: spi-nxp-fspi: fix fspi panic by unexpected interrupts
  spi: Take the SPI IO-mutex in the spi_setup() method
2020-11-27 11:29:53 -08:00
Linus Torvalds
f594139d68 media fixes for v5.10-rc6
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Merge tag 'media/v5.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull virtual digital TV driver fixes from Mauro Carvalho Chehab:
 "A series of fixes for the new virtual digital TV driver (vidtv), which
  is meant to help doing tests with the digital TV core and media
  userspace apps and libraries.

  They cover a series of issues I found on it, together with a few new
  things in order to make it easier to detect problems at the DVB core"

* tag 'media/v5.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (36 commits)
  media: vidtv.rst: add kernel-doc markups
  media: vidtv.rst: update vidtv documentation
  media: vidtv: simplify EIT write function
  media: vidtv: simplify NIT write function
  media: vidtv: simplify SDT write function
  media: vidtv: cleanup PMT write table function
  media: vidtv: cleanup PAT write function
  media: vidtv: cleanup PSI table header function
  media: vidtv: cleanup PSI descriptor write function
  media: vidtv: simplify the crc writing logic
  media: vidtv: simplify PSI write function
  media: vidtv: add date to the current event
  media: vidtv: fix service_id at SDT table
  media: vidtv: fix service type
  media: vidtv: add a PID entry for the NIT table
  media: vidtv: properly fill EIT service_id
  media: vidtv: fix the network ID range
  media: vidtv: improve EIT data
  media: vidtv: cleanup null packet initialization logic
  media: vidtv: pre-initialize mux arrays
  ...
2020-11-27 11:25:23 -08:00
Linus Torvalds
6910b67689 drm fixes for 5.10-rc6
ast:
 - LUT loading regression fix
 
 nouveau:
 - relocations regression fix
 
 amdgpu:
 - ttm init oops fix
 - Runtime pm fix
 - SI UVD suspend/resume fix
 - HDCP fix for headless cards
 - Sienna Cichlid golden register update
 
 i915:
 - Fix Perf/OA workaround register corruption (Lionel)
 - Correct a comment statement in GVT (Yan)
 - Fix GT enable/disable iterrupts, including a race condition that prevented GPU to go idle (Chris)
 - Free stale request on destroying the virtual engine (Chris)
 
 exynos:
 - config dependency fix
 
 mediatek:
 - unused var removal
 - horizonal front/back porch formula fix
 
 vc4:
 - wifi and hdmi interference fix
 - mode rejection fixes
 - use after free fix
 - cleanup some code
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Merge tag 'drm-fixes-2020-11-27-1' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Unfortunately this has a bit of thanksgiving stuffing in it, as it a
  bit larger (at least the vc4 patches) than I like at this point in
  time.

  The main thing is it has a bunch of regressions fixes for reports in
  the last couple of weeks, ast, nouveau and the amdgpu ttm init fix,
  along with the usual selection of amdgpu and i915 fixes.

  The vc4 fixes are a few but they are fixes and the nastiest one is a
  fix for when you have a 2.4Ghz Wifi and a HDMI signal with a clock in
  that range and there isn't enough shielding and interference happen
  between the two, the fix adjusts the mode clock to try and avoid the
  wifi channels in that case.

  Hopefully you can merge this between turkey slices, and next week
  should be quieter.

  ast:
   - LUT loading regression fix

  nouveau:
   - relocations regression fix

  amdgpu:
   - ttm init oops fix
   - Runtime pm fix
   - SI UVD suspend/resume fix
   - HDCP fix for headless cards
   - Sienna Cichlid golden register update

  i915:
   - Fix Perf/OA workaround register corruption (Lionel)
   - Correct a comment statement in GVT (Yan)
   - Fix GT enable/disable iterrupts, including a race condition that
     prevented GPU to go idle (Chris)
   - Free stale request on destroying the virtual engine (Chris)

  exynos:
   - config dependency fix

  mediatek:
   - unused var removal
   - horizonal front/back porch formula fix

  vc4:
   - wifi and hdmi interference fix
   - mode rejection fixes
   - use after free fix
   - cleanup some code"

* tag 'drm-fixes-2020-11-27-1' of git://anongit.freedesktop.org/drm/drm: (28 commits)
  drm/nouveau: fix relocations applying logic and a double-free
  drm/ast: Reload gamma LUT after changing primary plane's color format
  drm/amdgpu: Fix size calculation when init onchip memory
  drm/amdgpu: update golden setting for sienna_cichlid
  drm/amd/display: Avoid HDCP initialization in devices without output
  drm/i915/gt: Free stale request on destroying the virtual engine
  drm/i915/gt: Don't cancel the interrupt shadow too early
  drm/i915/gt: Track signaled breadcrumbs outside of the breadcrumb spinlock
  drm/amdgpu: fix a page fault
  drm/amdgpu: fix SI UVD firmware validate resume fail
  drm/amd/amdgpu: fix null pointer in runtime pm
  drm/i915/gt: Defer enabling the breadcrumb interrupt to after submission
  drm/i915/gvt: correct a false comment of flag F_UNALIGN
  drm/i915/perf: workaround register corruption in OATAILPTR
  drm/vc4: kms: Don't disable the muxing of an active CRTC
  drm/vc4: kms: Store the unassigned channel list in the state
  drm/exynos: depend on COMMON_CLK to fix compile tests
  drm/mediatek: dsi: Modify horizontal front/back porch byte formula
  drm/vc4: hdmi: Disable Wifi Frequencies
  dt-bindings: display: Add a property to deal with WiFi coexistence
  ...
2020-11-27 11:19:49 -08:00
Jakub Kicinski
d0742c49ca linux-can-fixes-for-5.10-20201127
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Merge tag 'linux-can-fixes-for-5.10-20201127' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2020-11-27

The first patch is by me and target the gs_usb driver and fixes the endianess
problem with candleLight firmware.

Another patch by me for the mcp251xfd driver add sanity checking to bail out if
no IRQ is configured.

The next three patches target the m_can driver. A patch by me removes the
hardcoded IRQF_TRIGGER_FALLING from the request_threaded_irq() as this clashes
with the trigger level specified in the DT. Further a patch by me fixes the
nominal bitiming tseg2 min value for modern m_can cores. Pankaj Sharma's patch
add support for cores version 3.3.x.

The last patch by Oliver Hartkopp is for af_can and converts a WARN() into a
pr_warn(), which is triggered by the syzkaller. It was able to create a
situation where the closing of a socket runs simultaneously to the notifier
call chain for removing the CAN network device in use.

* tag 'linux-can-fixes-for-5.10-20201127' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
  can: af_can: can_rx_unregister(): remove WARN() statement from list operation sanity check
  can: m_can: m_can_dev_setup(): add support for bosch mcan version 3.3.0
  can: m_can: fix nominal bitiming tseg2 min for version >= 3.1
  can: m_can: m_can_open(): remove IRQF_TRIGGER_FALLING from request_threaded_irq()'s flags
  can: mcp251xfd: mcp251xfd_probe(): bail out if no IRQ was given
  can: gs_usb: fix endianess problem with candleLight firmware
====================

Link: https://lore.kernel.org/r/20201127100301.512603-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-27 11:13:39 -08:00
Linus Torvalds
99c710c46d platform-drivers-x86 for v5.10-2
Highlights:
  - thinkpad_acpi fixes: 2 bug-fixes and 3 model specific quirks
  - fixes for misc. other drivers: 2 bug-fixes and 3 model specific quirks
 
 The following is an automated git shortlog grouped by driver:
 
 acer-wmi:
  -  add automatic keyboard background light toggle key as KEY_LIGHTS_TOGGLE
 
 intel-vbtn:
  -  Support for tablet mode on HP Pavilion 13 x360 PC
 
 thinkpad_acpi:
  -  Whitelist P15 firmware for dual fan control
  -  Send tablet mode switch at wakeup time
  -  Add BAT1 is primary battery quirk for Thinkpad Yoga 11e 4th gen
  -  Do not report SW_TABLET_MODE on Yoga 11e
  -  add P1 gen3 second fan support
 
 toshiba_acpi:
  -  Fix the wrong variable assignment
 
 touchscreen_dmi:
  -  Add info for the Irbis TW118 tablet
  -  Add info for the Predia Basic tablet
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Merge tag 'platform-drivers-x86-v5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fixes from Hans de Goede:

 - thinkpad_acpi fixes: two bug-fixes and three model specific quirks

 - fixes for misc other drivers: two bug-fixes and three model specific
   quirks

* tag 'platform-drivers-x86-v5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: touchscreen_dmi: Add info for the Irbis TW118 tablet
  platform/x86: touchscreen_dmi: Add info for the Predia Basic tablet
  platform/x86: intel-vbtn: Support for tablet mode on HP Pavilion 13 x360 PC
  platform/x86: toshiba_acpi: Fix the wrong variable assignment
  platform/x86: acer-wmi: add automatic keyboard background light toggle key as KEY_LIGHTS_TOGGLE
  platform/x86: thinkpad_acpi: Whitelist P15 firmware for dual fan control
  platform/x86: thinkpad_acpi: Send tablet mode switch at wakeup time
  platform/x86: thinkpad_acpi: Add BAT1 is primary battery quirk for Thinkpad Yoga 11e 4th gen
  platform/x86: thinkpad_acpi: Do not report SW_TABLET_MODE on Yoga 11e
  platform/x86: thinkpad_acpi: add P1 gen3 second fan support
2020-11-27 11:09:13 -08:00
Willem de Bruijn
985f733742 sock: set sk_err to ee_errno on dequeue from errq
When setting sk_err, set it to ee_errno, not ee_origin.

Commit f5f99309fa ("sock: do not set sk_err in
sock_dequeue_err_skb") disabled updating sk_err on errq dequeue,
which is correct for most error types (origins):

  -       sk->sk_err = err;

Commit 38b257938a ("sock: reset sk_err when the error queue is
empty") reenabled the behavior for IMCP origins, which do require it:

  +       if (icmp_next)
  +               sk->sk_err = SKB_EXT_ERR(skb_next)->ee.ee_origin;

But read from ee_errno.

Fixes: 38b257938a ("sock: reset sk_err when the error queue is empty")
Reported-by: Ayush Ranjan <ayushranjan@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Link: https://lore.kernel.org/r/20201126151220.2819322-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-27 11:07:06 -08:00
Paolo Abeni
d3ab78858f mptcp: fix NULL ptr dereference on bad MPJ
If an msk listener receives an MPJ carrying an invalid token, it
will zero the request socket msk entry. That should later
cause fallback and subflow reset - as per RFC - at
subflow_syn_recv_sock() time due to failing hmac validation.

Since commit 4cf8b7e48a ("subflow: introduce and use
mptcp_can_accept_new_subflow()"), we unconditionally dereference
- in mptcp_can_accept_new_subflow - the subflow request msk
before performing hmac validation. In the above scenario we
hit a NULL ptr dereference.

Address the issue doing the hmac validation earlier.

Fixes: 4cf8b7e48a ("subflow: introduce and use mptcp_can_accept_new_subflow()")
Tested-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Link: https://lore.kernel.org/r/03b2cfa3ac80d8fc18272edc6442a9ddf0b1e34e.1606400227.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-27 11:05:31 -08:00
Linus Torvalds
3913a2bc81 ARM:
- Fix alignment of the new HYP sections
 - Fix GICR_TYPER access from userspace
 
 S390:
 - do not reset the global diag318 data for per-cpu reset
 - do not mark memory as protected too early
 - fix for destroy page ultravisor call
 
 x86:
 - fix for SEV debugging
 - fix incorrect return code
 - fix for "noapic" with PIC in userspace and LAPIC in kernel
 - fix for 5-level paging
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "ARM:
   - Fix alignment of the new HYP sections
   - Fix GICR_TYPER access from userspace

  S390:
   - do not reset the global diag318 data for per-cpu reset
   - do not mark memory as protected too early
   - fix for destroy page ultravisor call

  x86:
   - fix for SEV debugging
   - fix incorrect return code
   - fix for 'noapic' with PIC in userspace and LAPIC in kernel
   - fix for 5-level paging"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  kvm: x86/mmu: Fix get_mmio_spte() on CPUs supporting 5-level PT
  KVM: x86: Fix split-irqchip vs interrupt injection window request
  KVM: x86: handle !lapic_in_kernel case in kvm_cpu_*_extint
  MAINTAINERS: Update email address for Sean Christopherson
  MAINTAINERS: add uv.c also to KVM/s390
  s390/uv: handle destroy page legacy interface
  KVM: arm64: vgic-v3: Drop the reporting of GICR_TYPER.Last for userspace
  KVM: SVM: fix error return code in svm_create_vcpu()
  KVM: SVM: Fix offset computation bug in __sev_dbg_decrypt().
  KVM: arm64: Correctly align nVHE percpu data
  KVM: s390: remove diag318 reset code
  KVM: s390: pv: Mark mm as protected after the set secure parameters and improve cleanup
2020-11-27 11:04:13 -08:00
Eelco Chaudron
69929d4c49 net: openvswitch: fix TTL decrement action netlink message format
Currently, the openvswitch module is not accepting the correctly formated
netlink message for the TTL decrement action. For both setting and getting
the dec_ttl action, the actions should be nested in the
OVS_DEC_TTL_ATTR_ACTION attribute as mentioned in the openvswitch.h uapi.

When the original patch was sent, it was tested with a private OVS userspace
implementation. This implementation was unfortunately not upstreamed and
reviewed, hence an erroneous version of this patch was sent out.

Leaving the patch as-is would cause problems as the kernel module could
interpret additional attributes as actions and vice-versa, due to the
actions not being encapsulated/nested within the actual attribute, but
being concatinated after it.

Fixes: 744676e777 ("openvswitch: add TTL decrement action")
Signed-off-by: Eelco Chaudron <echaudro@redhat.com>
Link: https://lore.kernel.org/r/160622121495.27296.888010441924340582.stgit@wsfd-netdev64.ntdv.lab.eng.bos.redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-27 11:03:06 -08:00
Linus Torvalds
95e1c7b1dd powerpc fixes for 5.10 #4
A regression fix for a boot failure on some 32-bit machines.
 
 A fix for host crashes in the KVM system reset handling.
 
 A fix for a possible oops in the KVM XIVE interrupt handling on Power9.
 
 A fix for host crashes triggerable via the KVM emulated MMIO handling when
 running HPT guests.
 
 A couple of small build fixes.
 
 Thanks to:
   Andreas Schwab, Cédric Le Goater, Christophe Leroy, Erhard Furtner, Greg Kurz,
   Greg Kurz, Németh Márton, Nicholas Piggin, Nick Desaulniers, Serge Belyshev,
   Stephen Rothwell.
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Merge tag 'powerpc-5.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:
 "Some more powerpc fixes for 5.10:

   - regression fix for a boot failure on some 32-bit machines.

   - fix for host crashes in the KVM system reset handling.

   - fix for a possible oops in the KVM XIVE interrupt handling on
     Power9.

   - fix for host crashes triggerable via the KVM emulated MMIO handling
     when running HPT guests.

   - a couple of small build fixes.

  Thanks to Andreas Schwab, Cédric Le Goater, Christophe Leroy, Erhard
  Furtner, Greg Kurz, Greg Kurz, Németh Márton, Nicholas Piggin, Nick
  Desaulniers, Serge Belyshev, and Stephen Rothwell"

* tag 'powerpc-5.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/64s: Fix allnoconfig build since uaccess flush
  powerpc/64s/exception: KVM Fix for host DSI being taken in HPT guest MMU context
  powerpc: Drop -me200 addition to build flags
  KVM: PPC: Book3S HV: XIVE: Fix possible oops when accessing ESB page
  powerpc/64s: Fix KVM system reset handling when CONFIG_PPC_PSERIES=y
  powerpc/32s: Use relocation offset when setting early hash table
2020-11-27 10:59:02 -08:00
Linus Torvalds
e4e9458073 arm64 fixes for -rc6
- Fix kerneldoc warnings generated by ACPI IORT code
 
 - Fix pte_accessible() so that access flag is ignored
 
 - Fix missing header #include
 
 - Fix loss of software dirty bit across pte_wrprotect() when HW DBM is enabled
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "The main changes are relating to our handling of access/dirty bits,
  where our low-level page-table helpers could lead to stale young
  mappings and loss of the dirty bit in some cases (the latter has not
  been observed in practice, but could happen when clearing "soft-dirty"
  if we enabled that). These were posted as part of a larger series, but
  the rest of that is less urgent and needs a v2 which I'll get to
  shortly.

  In other news, we've now got a set of fixes to resolve the
  lockdep/tracing problems that have been plaguing us for a while, but
  they're still a bit "fresh" and I plan to send them to you next week
  after we've got some more confidence in them (although initial CI
  results look good).

  Summary:

   - Fix kerneldoc warnings generated by ACPI IORT code

   - Fix pte_accessible() so that access flag is ignored

   - Fix missing header #include

   - Fix loss of software dirty bit across pte_wrprotect() when HW DBM
     is enabled"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: pgtable: Ensure dirty bit is preserved across pte_wrprotect()
  arm64: pgtable: Fix pte_accessible()
  ACPI/IORT: Fix doc warnings in iort.c
  arm64/fpsimd: add <asm/insn.h> to <asm/kprobes.h> to fix fpsimd build
2020-11-27 10:44:59 -08:00
Linus Torvalds
6adf33a5e4 iommu fixes for -rc6
- Fix intel iommu driver when running on devices without VCCAP_REG
 
 - Fix swiotlb and "iommu=pt" interaction under TXT (tboot)
 
 - Fix missing return value check during device probe()
 
 - Fix probe ordering for Qualcomm SMMU implementation
 
 - Ensure page-sized mappings are used for AMD IOMMU buffers with SNP RMP
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Merge tag 'iommu-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull iommu fixes from Will Deacon:
 "Here's another round of IOMMU fixes for -rc6 consisting mainly of a
  bunch of independent driver fixes. Thomas agreed for me to take the
  x86 'tboot' fix here, as it fixes a regression introduced by a vt-d
  change.

   - Fix intel iommu driver when running on devices without VCCAP_REG

   - Fix swiotlb and "iommu=pt" interaction under TXT (tboot)

   - Fix missing return value check during device probe()

   - Fix probe ordering for Qualcomm SMMU implementation

   - Ensure page-sized mappings are used for AMD IOMMU buffers with SNP
     RMP"

* tag 'iommu-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  iommu/vt-d: Don't read VCCAP register unless it exists
  x86/tboot: Don't disable swiotlb when iommu is forced on
  iommu: Check return of __iommu_attach_device()
  arm-smmu-qcom: Ensure the qcom_scm driver has finished probing
  iommu/amd: Enforce 4k mapping for certain IOMMU data structures
2020-11-27 10:41:19 -08:00
Linus Torvalds
43d6ecd97c Urgent printk fix for 5.10
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Merge tag 'printk-for-5.10-rc6-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk fixes from Petr Mladek:

 - do not lose trailing newline in pr_cont() calls

 - two trivial fixes for a dead store and a config description

* tag 'printk-for-5.10-rc6-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  printk: finalize records with trailing newlines
  printk: remove unneeded dead-store assignment
  init/Kconfig: Fix CPU number in LOG_CPU_MAX_BUF_SHIFT description
2020-11-27 10:38:36 -08:00
Linus Torvalds
5b4049d8fc \n
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Merge tag 'writeback_for_v5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs

Pull writeback fix from Jan Kara:
 "A fix of possible missing string termination in writeback tracepoints"

* tag 'writeback_for_v5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
  trace: fix potenial dangerous pointer
2020-11-27 10:36:38 -08:00
Arnd Bergmann
ae597565d1 Add writeback to valid OP-TEE shared memory types
Allows OP-TEE to work with ARMv7 based single CPU systems by allowing
 writeback cache policy for shared memory.
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Merge tag 'optee-valid-memory-type-for-v5.11' of git://git.linaro.org/people/jens.wiklander/linux-tee into arm/fixes

Add writeback to valid OP-TEE shared memory types

Allows OP-TEE to work with ARMv7 based single CPU systems by allowing
writeback cache policy for shared memory.

* tag 'optee-valid-memory-type-for-v5.11' of git://git.linaro.org/people/jens.wiklander/linux-tee:
  optee: add writeback to valid memory type

Link: https://lore.kernel.org/r/20201125120134.GA1642471@jade
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-11-27 17:45:45 +01:00
Vitaly Kuznetsov
9a2a0d3ca1 kvm: x86/mmu: Fix get_mmio_spte() on CPUs supporting 5-level PT
Commit 95fb5b0258 ("kvm: x86/mmu: Support MMIO in the TDP MMU") caused
the following WARNING on an Intel Ice Lake CPU:

 get_mmio_spte: detect reserved bits on spte, addr 0xb80a0, dump hierarchy:
 ------ spte 0xb80a0 level 5.
 ------ spte 0xfcd210107 level 4.
 ------ spte 0x1004c40107 level 3.
 ------ spte 0x1004c41107 level 2.
 ------ spte 0x1db00000000b83b6 level 1.
 WARNING: CPU: 109 PID: 10254 at arch/x86/kvm/mmu/mmu.c:3569 kvm_mmu_page_fault.cold.150+0x54/0x22f [kvm]
...
 Call Trace:
  ? kvm_io_bus_get_first_dev+0x55/0x110 [kvm]
  vcpu_enter_guest+0xaa1/0x16a0 [kvm]
  ? vmx_get_cs_db_l_bits+0x17/0x30 [kvm_intel]
  ? skip_emulated_instruction+0xaa/0x150 [kvm_intel]
  kvm_arch_vcpu_ioctl_run+0xca/0x520 [kvm]

The guest triggering this crashes. Note, this happens with the traditional
MMU and EPT enabled, not with the newly introduced TDP MMU. Turns out,
there was a subtle change in the above mentioned commit. Previously,
walk_shadow_page_get_mmio_spte() was setting 'root' to 'iterator.level'
which is returned by shadow_walk_init() and this equals to
'vcpu->arch.mmu->shadow_root_level'. Now, get_mmio_spte() sets it to
'int root = vcpu->arch.mmu->root_level'.

The difference between 'root_level' and 'shadow_root_level' on CPUs
supporting 5-level page tables is that in some case we don't want to
use 5-level, in particular when 'cpuid_maxphyaddr(vcpu) <= 48'
kvm_mmu_get_tdp_level() returns '4'. In case upper layer is not used,
the corresponding SPTE will fail '__is_rsvd_bits_set()' check.

Revert to using 'shadow_root_level'.

Fixes: 95fb5b0258 ("kvm: x86/mmu: Support MMIO in the TDP MMU")
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20201126110206.2118959-1-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-11-27 11:14:27 -05:00
Paolo Bonzini
71cc849b70 KVM: x86: Fix split-irqchip vs interrupt injection window request
kvm_cpu_accept_dm_intr and kvm_vcpu_ready_for_interrupt_injection are
a hodge-podge of conditions, hacked together to get something that
more or less works.  But what is actually needed is much simpler;
in both cases the fundamental question is, do we have a place to stash
an interrupt if userspace does KVM_INTERRUPT?

In userspace irqchip mode, that is !vcpu->arch.interrupt.injected.
Currently kvm_event_needs_reinjection(vcpu) covers it, but it is
unnecessarily restrictive.

In split irqchip mode it's a bit more complicated, we need to check
kvm_apic_accept_pic_intr(vcpu) (the IRQ window exit is basically an INTACK
cycle and thus requires ExtINTs not to be masked) as well as
!pending_userspace_extint(vcpu).  However, there is no need to
check kvm_event_needs_reinjection(vcpu), since split irqchip keeps
pending ExtINT state separate from event injection state, and checking
kvm_cpu_has_interrupt(vcpu) is wrong too since ExtINT has higher
priority than APIC interrupts.  In fact the latter fixes a bug:
when userspace requests an IRQ window vmexit, an interrupt in the
local APIC can cause kvm_cpu_has_interrupt() to be true and thus
kvm_vcpu_ready_for_interrupt_injection() to return false.  When this
happens, vcpu_run does not exit to userspace but the interrupt window
vmexits keep occurring.  The VM loops without any hope of making progress.

Once we try to fix these with something like

     return kvm_arch_interrupt_allowed(vcpu) &&
-        !kvm_cpu_has_interrupt(vcpu) &&
-        !kvm_event_needs_reinjection(vcpu) &&
-        kvm_cpu_accept_dm_intr(vcpu);
+        (!lapic_in_kernel(vcpu)
+         ? !vcpu->arch.interrupt.injected
+         : (kvm_apic_accept_pic_intr(vcpu)
+            && !pending_userspace_extint(v)));

we realize two things.  First, thanks to the previous patch the complex
conditional can reuse !kvm_cpu_has_extint(vcpu).  Second, the interrupt
window request in vcpu_enter_guest()

        bool req_int_win =
                dm_request_for_irq_injection(vcpu) &&
                kvm_cpu_accept_dm_intr(vcpu);

should be kept in sync with kvm_vcpu_ready_for_interrupt_injection():
it is unnecessary to ask the processor for an interrupt window
if we would not be able to return to userspace.  Therefore,
kvm_cpu_accept_dm_intr(vcpu) is basically !kvm_cpu_has_extint(vcpu)
ANDed with the existing check for masked ExtINT.  It all makes sense:

- we can accept an interrupt from userspace if there is a place
  to stash it (and, for irqchip split, ExtINTs are not masked).
  Interrupts from userspace _can_ be accepted even if right now
  EFLAGS.IF=0.

- in order to tell userspace we will inject its interrupt ("IRQ
  window open" i.e. kvm_vcpu_ready_for_interrupt_injection), both
  KVM and the vCPU need to be ready to accept the interrupt.

... and this is what the patch implements.

Reported-by: David Woodhouse <dwmw@amazon.co.uk>
Analyzed-by: David Woodhouse <dwmw@amazon.co.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Nikos Tsironis <ntsironis@arrikto.com>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Tested-by: David Woodhouse <dwmw@amazon.co.uk>
2020-11-27 09:27:28 -05:00
Paolo Bonzini
72c3bcdcda KVM: x86: handle !lapic_in_kernel case in kvm_cpu_*_extint
Centralize handling of interrupts from the userspace APIC
in kvm_cpu_has_extint and kvm_cpu_get_extint, since
userspace APIC interrupts are handled more or less the
same as ExtINTs are with split irqchip.  This removes
duplicated code from kvm_cpu_has_injectable_intr and
kvm_cpu_has_interrupt, and makes the code more similar
between kvm_cpu_has_{extint,interrupt} on one side
and kvm_cpu_get_{extint,interrupt} on the other.

Cc: stable@vger.kernel.org
Reviewed-by: Filippo Sironi <sironi@amazon.de>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Tested-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-11-27 09:19:52 -05:00
Paolo Bonzini
545f63948d KVM/arm64 fixes for v5.10, take #4
- Fix alignment of the new HYP sections
 - Fix GICR_TYPER access from userspace
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Merge tag 'kvmarm-fixes-5.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master

KVM/arm64 fixes for v5.10, take #4

- Fix alignment of the new HYP sections
- Fix GICR_TYPER access from userspace
2020-11-27 09:17:13 -05:00
Petr Mladek
739e7116b1 Merge branch 'for-5.10-pr_cont-fixup' into for-linus 2020-11-27 13:41:23 +01:00
Arnd Bergmann
454a079b38 Fixes for omaps for various issues noticed during the -rc cycle:
- Earlier omap4 cpuidle fix was incomplete and needs to use a
   configured idle state instead
 
 - Fix am4 cpsw driver compatible to avoid invalid resource error
   for the legacy driver
 
 - Two kconfig fixes for genpd support that we added for for v5.10
   for proper location of the option and adding missing option
 
 - Fix ti-sysc reset status checking on enabling modules to ignore
   quirky modules with reset status only usable when the quirk is
   activated during reset. Also fix bogus resetdone warning for
   cpsw and modules with no sysst register reset status bit
 
 - Suppress a ti-sysc warning for timers reserved as system timers
 
 - Fix the ordering of clocks for dra7 m_can
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Merge tag 'omap-for-v5.10/fixes-rc5-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes

Fixes for omaps for various issues noticed during the -rc cycle:

- Earlier omap4 cpuidle fix was incomplete and needs to use a
  configured idle state instead

- Fix am4 cpsw driver compatible to avoid invalid resource error
  for the legacy driver

- Two kconfig fixes for genpd support that we added for for v5.10
  for proper location of the option and adding missing option

- Fix ti-sysc reset status checking on enabling modules to ignore
  quirky modules with reset status only usable when the quirk is
  activated during reset. Also fix bogus resetdone warning for
  cpsw and modules with no sysst register reset status bit

- Suppress a ti-sysc warning for timers reserved as system timers

- Fix the ordering of clocks for dra7 m_can

* tag 'omap-for-v5.10/fixes-rc5-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: dra76x: m_can: fix order of clocks
  bus: ti-sysc: suppress err msg for timers used as clockevent/source
  ARM: dts: am437x-l4: fix compatible for cpsw switch dt node
  ARM: OMAP2+: Manage MPU state properly for omap_enter_idle_coupled()
  bus: ti-sysc: Fix bogus resetdone warning on enable for cpsw
  bus: ti-sysc: Fix reset status check for modules with quirks
  ARM: OMAP2+: Fix missing select PM_GENERIC_DOMAINS_OF
  ARM: OMAP2+: Fix location for select PM_GENERIC_DOMAINS

Link: https://lore.kernel.org/r/pull-1606460270-864284@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-11-27 13:18:40 +01:00
Pablo Neira Ayuso
a5d45bc0dc netfilter: nftables_offload: build mask based from the matching bytes
Userspace might match on prefix bytes of header fields if they are on
the byte boundary, this requires that the mask is adjusted accordingly.
Use NFT_OFFLOAD_MATCH_EXACT() for meta since prefix byte matching is not
allowed for this type of selector.

The bitwise expression might be optimized out by userspace, hence the
kernel needs to infer the prefix from the number of payload bytes to
match on. This patch adds nft_payload_offload_mask() to calculate the
bitmask to match on the prefix.

Fixes: c9626a2cbd ("netfilter: nf_tables: add hardware offload support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-11-27 12:10:47 +01:00
Pablo Neira Ayuso
3c78e9e0d3 netfilter: nftables_offload: set address type in control dissector
This patch adds nft_flow_rule_set_addr_type() to set the address type
from the nft_payload expression accordingly.

If the address type is not set in the control dissector then a rule that
matches either on source or destination IP address does not work.

After this patch, nft hardware offload generates the flow dissector
configuration as tc-flower does to match on an IP address.

This patch has been also tested functionally to make sure packets are
filtered out by the NIC.

This is also getting the code aligned with the existing netfilter flow
offload infrastructure which is also setting the control dissector.

Fixes: c9626a2cbd ("netfilter: nf_tables: add hardware offload support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-11-27 12:10:46 +01:00
Wang Hai
4bc3c8dc9f ipvs: fix possible memory leak in ip_vs_control_net_init
kmemleak report a memory leak as follows:

BUG: memory leak
unreferenced object 0xffff8880759ea000 (size 256):
backtrace:
[<00000000c0bf2deb>] kmem_cache_zalloc include/linux/slab.h:656 [inline]
[<00000000c0bf2deb>] __proc_create+0x23d/0x7d0 fs/proc/generic.c:421
[<000000009d718d02>] proc_create_reg+0x8e/0x140 fs/proc/generic.c:535
[<0000000097bbfc4f>] proc_create_net_data+0x8c/0x1b0 fs/proc/proc_net.c:126
[<00000000652480fc>] ip_vs_control_net_init+0x308/0x13a0 net/netfilter/ipvs/ip_vs_ctl.c:4169
[<000000004c927ebe>] __ip_vs_init+0x211/0x400 net/netfilter/ipvs/ip_vs_core.c:2429
[<00000000aa6b72d9>] ops_init+0xa8/0x3c0 net/core/net_namespace.c:151
[<00000000153fd114>] setup_net+0x2de/0x7e0 net/core/net_namespace.c:341
[<00000000be4e4f07>] copy_net_ns+0x27d/0x530 net/core/net_namespace.c:482
[<00000000f1c23ec9>] create_new_namespaces+0x382/0xa30 kernel/nsproxy.c:110
[<00000000098a5757>] copy_namespaces+0x2e6/0x3b0 kernel/nsproxy.c:179
[<0000000026ce39e9>] copy_process+0x220a/0x5f00 kernel/fork.c:2072
[<00000000b71f4efe>] _do_fork+0xc7/0xda0 kernel/fork.c:2428
[<000000002974ee96>] __do_sys_clone3+0x18a/0x280 kernel/fork.c:2703
[<0000000062ac0a4d>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
[<0000000093f1ce2c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

In the error path of ip_vs_control_net_init(), remove_proc_entry() needs
to be called to remove the added proc entry, otherwise a memory leak
will occur.

Also, add some '#ifdef CONFIG_PROC_FS' because proc_create_net* return NULL
when PROC is not used.

Fixes: b17fc9963f ("IPVS: netns, ip_vs_stats and its procfs")
Fixes: 61b1ab4583 ("IPVS: netns, add basic init per netns.")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-11-27 12:10:46 +01:00
John Ogness
4ad9921af4 printk: finalize records with trailing newlines
Any record with a trailing newline (LOG_NEWLINE flag) cannot
be continued because the newline has been stripped and will
not be visible if the message is appended. This was already
handled correctly when committing in log_output() but was
not handled correctly when committing in log_store().

Fixes: f5f022e53b ("printk: reimplement log_cont using record extension")
Link: https://lore.kernel.org/r/20201126114836.14750-1-john.ogness@linutronix.de
Reported-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Tested-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
2020-11-27 11:58:54 +01:00
Oliver Hartkopp
d73ff9b7c4 can: af_can: can_rx_unregister(): remove WARN() statement from list operation sanity check
To detect potential bugs in CAN protocol implementations (double removal of
receiver entries) a WARN() statement has been used if no matching list item was
found for removal.

The fault injection issued by syzkaller was able to create a situation where
the closing of a socket runs simultaneously to the notifier call chain for
removing the CAN network device in use.

This case is very unlikely in real life but it doesn't break anything.
Therefore we just replace the WARN() statement with pr_warn() to preserve the
notification for the CAN protocol development.

Reported-by: syzbot+381d06e0c8eaacb8706f@syzkaller.appspotmail.com
Reported-by: syzbot+d0ddd88c9a7432f041e6@syzkaller.appspotmail.com
Reported-by: syzbot+76d62d3b8162883c7d11@syzkaller.appspotmail.com
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://lore.kernel.org/r/20201126192140.14350-1-socketcan@hartkopp.net
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-11-27 10:49:28 +01:00
Pankaj Sharma
5c7d55bded can: m_can: m_can_dev_setup(): add support for bosch mcan version 3.3.0
Add support for mcan bit timing and control mode according to bosch mcan IP
version 3.3.0. The mcan version read from the Core Release field of CREL
register would be 33. Accordingly the properties are to be set for mcan v3.3.0

Signed-off-by: Pankaj Sharma <pankj.sharma@samsung.com>
Link: https://lore.kernel.org/r/1606366302-5520-1-git-send-email-pankj.sharma@samsung.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-11-27 10:49:20 +01:00
Marc Kleine-Budde
e3409e4192 can: m_can: fix nominal bitiming tseg2 min for version >= 3.1
At lest the revision 3.3.0 of the bosch m_can IP core specifies that valid
register values for "Nominal Time segment after sample point (NTSEG2)" are from
1 to 127. As the hardware uses a value of one more than the programmed value,
mean tseg2_min is 2.

This patch fixes the tseg2_min value accordingly.

Cc: Dan Murphy <dmurphy@ti.com>
Cc: Mario Huettel <mario.huettel@gmx.net>
Acked-by: Sriram Dash <sriram.dash@samsung.com>
Link: https://lore.kernel.org/r/20201124190751.3972238-1-mkl@pengutronix.de
Fixes: b03cfc5bb0 ("can: m_can: Enable M_CAN version dependent initialization")
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-11-27 10:49:20 +01:00
Marc Kleine-Budde
865f5b671b can: m_can: m_can_open(): remove IRQF_TRIGGER_FALLING from request_threaded_irq()'s flags
The threaded IRQ handler is used for the tcan4x5x driver only. The IRQ pin of
the tcan4x5x controller is active low, so better not use IRQF_TRIGGER_FALLING
when requesting the IRQ. As this can result in missing interrupts.

Further, if the device tree specified the interrupt as "IRQ_TYPE_LEVEL_LOW",
unloading and reloading of the driver results in the following error during
ifup:

| irq: type mismatch, failed to map hwirq-31 for gpio@20a8000!
| tcan4x5x spi1.1: m_can device registered (irq=0, version=32)
| tcan4x5x spi1.1 can2: TCAN4X5X successfully initialized.
| tcan4x5x spi1.1 can2: failed to request interrupt

This patch fixes the problem by removing the IRQF_TRIGGER_FALLING from the
request_threaded_irq().

Fixes: f524f829b7 ("can: m_can: Create a m_can platform framework")
Cc: Dan Murphy <dmurphy@ti.com>
Cc: Sriram Dash <sriram.dash@samsung.com>
Cc: Pankaj Sharma <pankj.sharma@samsung.com>
Link: https://lore.kernel.org/r/20201127093548.509253-1-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-11-27 10:49:20 +01:00
Sven Eckelmann
992b03b88e batman-adv: Don't always reallocate the fragmentation skb head
When a packet is fragmented by batman-adv, the original batman-adv header
is not modified. Only a new fragmentation is inserted between the original
one and the ethernet header. The code must therefore make sure that it has
a writable region of this size in the skbuff head.

But it is not useful to always reallocate the skbuff by this size even when
there would be more than enough headroom still in the skb. The reallocation
is just to costly during in this codepath.

Fixes: ee75ed8887 ("batman-adv: Fragment and send skbs larger than mtu")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2020-11-27 08:02:55 +01:00
Sven Eckelmann
c5cbfc8755 batman-adv: Reserve needed_*room for fragments
The batadv net_device is trying to propagate the needed_headroom and
needed_tailroom from the lower devices. This is needed to avoid cost
intensive reallocations using pskb_expand_head during the transmission.

But the fragmentation code split the skb's without adding extra room at the
end/beginning of the various fragments. This reduced the performance of
transmissions over complex scenarios (batadv on vxlan on wireguard) because
the lower devices had to perform the reallocations at least once.

Fixes: ee75ed8887 ("batman-adv: Fragment and send skbs larger than mtu")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2020-11-27 08:02:55 +01:00
Sven Eckelmann
4ca23e2c20 batman-adv: Consider fragmentation for needed_headroom
If a batman-adv packets has to be fragmented, then the original batman-adv
packet header is not stripped away. Instead, only a new header is added in
front of the packet after it was split.

This size must be considered to avoid cost intensive reallocations during
the transmission through the various device layers.

Fixes: 7bca68c784 ("batman-adv: Add lower layer needed_(head|tail)room to own ones")
Reported-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
2020-11-27 08:02:55 +01:00
Dave Airlie
9595930db4 A bunch of fixes for vc4 fixing some coexistence issue between wifi and
HDMI, unsupported modes, and vblank timeouts, a fix for ast to reload
 the gamma LUT after changing the plane format and a double-free fix for
 nouveau
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Merge tag 'drm-misc-fixes-2020-11-26' of ssh://git.freedesktop.org/git/drm/drm-misc into drm-fixes

A bunch of fixes for vc4 fixing some coexistence issue between wifi and
HDMI, unsupported modes, and vblank timeouts, a fix for ast to reload
the gamma LUT after changing the plane format and a double-free fix for
nouveau

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

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20201126085450.r3i7wvj7pizsa4l6@gilmour
2020-11-27 09:39:51 +10:00
Dave Airlie
d45618c285 Mediatek DRM Fixes for Linux 5.10
1. Remove unused variable.
 2. Modify horizontal front/back porch byte formula.
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Merge tag 'mediatek-drm-fixes-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-fixes

Mediatek DRM Fixes for Linux 5.10

1. Remove unused variable.
2. Modify horizontal front/back porch byte formula.

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

From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201123234131.387-1-chunkuang.hu@kernel.org
2020-11-27 09:37:06 +10:00
Dave Airlie
5929dd876b One bug fix
. Add COMMON_CLK dependency to fix a build error below,
 	/usr/bin/mips-linux-gnu-ld: drivers/gpu/drm/exynos/exynos_mixer.o: in function `mixer_bind':
 	exynos_mixer.c:(.text+0x958): undefined reference to `clk_set_parent'
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Merge tag 'exynos-drm-fixes-for-v5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes

One bug fix
. Add COMMON_CLK dependency to fix a build error below,
	/usr/bin/mips-linux-gnu-ld: drivers/gpu/drm/exynos/exynos_mixer.o: in function `mixer_bind':
	exynos_mixer.c:(.text+0x958): undefined reference to `clk_set_parent'

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

From: Inki Dae <inki.dae@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1606184478-23384-1-git-send-email-inki.dae@samsung.com
2020-11-27 09:23:11 +10:00
Arnd Bergmann
06ceddef30 arm64: tegra: Device tree fixes for v5.10-rc6
This contains a couple of fixes to device trees. Among other things,
 this restores suspend/resume on Jetson TX2 and makes USB OTG work on
 Jetson TX1.
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Merge tag 'tegra-for-5.10-arm64-dt-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/fixes

arm64: tegra: Device tree fixes for v5.10-rc6

This contains a couple of fixes to device trees. Among other things,
this restores suspend/resume on Jetson TX2 and makes USB OTG work on
Jetson TX1.

* tag 'tegra-for-5.10-arm64-dt-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  arm64: tegra: Fix Tegra234 VDK node names
  arm64: tegra: Wrong AON HSP reg property size
  arm64: tegra: Fix USB_VBUS_EN0 regulator on Jetson TX1
  arm64: tegra: Correct the UART for Jetson Xavier NX
  arm64: tegra: Disable the ACONNECT for Jetson TX2

Link: https://lore.kernel.org/r/20201125170306.1095734-1-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-11-26 22:08:01 +01:00
Arnd Bergmann
3a18293e4a NXP/FSL SoC driver fix for 5.10
DPAA2 DPIO driver
 - Fix non-static cpumask for irq affinity setting
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Merge tag 'soc-fsl-fix-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/fixes

NXP/FSL SoC driver fix for 5.10

DPAA2 DPIO driver
- Fix non-static cpumask for irq affinity setting

* tag 'soc-fsl-fix-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
  soc: fsl: dpio: Get the cpumask through cpumask_of(cpu)

Link: https://lore.kernel.org/r/20201125165922.15487-1-leoyang.li@nxp.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-11-26 22:07:22 +01:00
Arnd Bergmann
dbae2736fd arm64: soc: ZynqMP SoC fixes for v5.10-rc6
- Fix SD dll reset issue by using proper macro
 - Fix PM feature checking for Xilinx Versal SoC
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Merge tag 'zynqmp-soc-fixes-for-v5.10-rc6' of https://github.com/Xilinx/linux-xlnx into arm/fixes

arm64: soc: ZynqMP SoC fixes for v5.10-rc6

- Fix SD dll reset issue by using proper macro
- Fix PM feature checking for Xilinx Versal SoC

* tag 'zynqmp-soc-fixes-for-v5.10-rc6' of https://github.com/Xilinx/linux-xlnx: (337 commits)
  firmware: xilinx: Use hash-table for api feature check
  firmware: xilinx: Fix SD DLL node reset issue
  Linux 5.10-rc4
  kvm: mmu: fix is_tdp_mmu_check when the TDP MMU is not in use
  afs: Fix afs_write_end() when called with copied == 0 [ver #3]
  ocfs2: initialize ip_next_orphan
  panic: don't dump stack twice on warn
  hugetlbfs: fix anon huge page migration race
  mm: memcontrol: fix missing wakeup polling thread
  kernel/watchdog: fix watchdog_allowed_mask not used warning
  reboot: fix overflow parsing reboot cpu number
  Revert "kernel/reboot.c: convert simple_strtoul to kstrtoint"
  compiler.h: fix barrier_data() on clang
  mm/gup: use unpin_user_pages() in __gup_longterm_locked()
  mm/slub: fix panic in slab_alloc_node()
  mailmap: fix entry for Dmitry Baryshkov/Eremin-Solenikov
  mm/vmscan: fix NR_ISOLATED_FILE corruption on 64-bit
  mm/compaction: stop isolation if too many pages are isolated and we have pages to migrate
  mm/compaction: count pages and stop correctly during page isolation
  drm/nouveau/kms/nv50-: Use atomic encoder callbacks everywhere
  ...

Link: https://lore.kernel.org/r/fd5ab967-f3cf-95fb-7947-5477ff85f97e@monstr.eu
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-11-26 22:06:50 +01:00
Linus Torvalds
85a2c56cb4 Power management fix for 5.10-rc6
Fix a recently introduced build issue in the cpufreq SCMI
 driver (Sudeep Holla).
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Merge tag 'pm-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fix from Rafael Wysocki:
 "Fix a recently introduced build issue in the cpufreq SCMI driver
  (Sudeep Holla)"

* tag 'pm-5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: scmi: Fix build for !CONFIG_COMMON_CLK
2020-11-26 11:17:37 -08:00