Commit Graph

49586 Commits

Author SHA1 Message Date
Linus Torvalds
20210a9846 Kbuild fixes for v5.11
- Search for <ncurses.h> in the default header path of HOSTCC
 
  - Tweak the option order to be kind to old BSD awk
 
  - Remove 'kvmconfig' and 'xenconfig' shorthands
 
  - Fix documentation
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Merge tag 'kbuild-fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Search for <ncurses.h> in the default header path of HOSTCC

 - Tweak the option order to be kind to old BSD awk

 - Remove 'kvmconfig' and 'xenconfig' shorthands

 - Fix documentation

* tag 'kbuild-fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  Documentation: kbuild: Fix section reference
  kconfig: remove 'kvmconfig' and 'xenconfig' shorthands
  lib/raid6: Let $(UNROLL) rules work with macOS userland
  kconfig: Support building mconf with vendor sysroot ncurses
  kconfig: config script: add a little user help
  MAINTAINERS: adjust GCC PLUGINS after gcc-plugin.sh removal
2021-01-10 13:24:55 -08:00
Linus Torvalds
28318f5350 USB fixes for 5.11-rc3
Here are a number of small USB driver fixes for 5.11-rc3.
 
 Include in here are:
 	- USB gadget driver fixes for reported issues
 	- new usb-serial driver ids
 	- dma from stack bugfixes
 	- typec bugfixes
 	- dwc3 bugfixes
 	- xhci driver bugfixes
 	- other small misc usb driver bugfixes
 
 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-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a number of small USB driver fixes for 5.11-rc3.

  Include in here are:

   - USB gadget driver fixes for reported issues

   - new usb-serial driver ids

   - dma from stack bugfixes

   - typec bugfixes

   - dwc3 bugfixes

   - xhci driver bugfixes

   - other small misc usb driver bugfixes

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

* tag 'usb-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (35 commits)
  usb: dwc3: gadget: Clear wait flag on dequeue
  usb: typec: Send uevent for num_altmodes update
  usb: typec: Fix copy paste error for NVIDIA alt-mode description
  usb: gadget: enable super speed plus
  kcov, usb: hide in_serving_softirq checks in __usb_hcd_giveback_urb
  usb: uas: Add PNY USB Portable SSD to unusual_uas
  usb: gadget: configfs: Preserve function ordering after bind failure
  usb: gadget: select CONFIG_CRC32
  usb: gadget: core: change the comment for usb_gadget_connect
  usb: gadget: configfs: Fix use-after-free issue with udc_name
  usb: dwc3: gadget: Restart DWC3 gadget when enabling pullup
  usb: usbip: vhci_hcd: protect shift size
  USB: usblp: fix DMA to stack
  USB: serial: iuu_phoenix: fix DMA from stack
  USB: serial: option: add LongSung M5710 module support
  USB: serial: option: add Quectel EM160R-GL
  USB: Gadget: dummy-hcd: Fix shift-out-of-bounds bug
  usb: gadget: f_uac2: reset wMaxPacketSize
  usb: dwc3: ulpi: Fix USB2.0 HS/FS/LS PHY suspend regression
  usb: dwc3: ulpi: Replace CPU-based busyloop with Protocol-based one
  ...
2021-01-10 12:33:19 -08:00
Viresh Kumar
5625dcfbbc Documentation: kbuild: Fix section reference
Section 3.11 was incorrectly called 3.9, fix it.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2021-01-11 05:14:38 +09:00
Linus Torvalds
2ff90100ac hwmon fixes for v5.11-rc3
Fix possible KASAN issue in amd_energy driver
 Avoid configuration problem in pwm-fan driver
 Fix kernel-doc warning in sbtsi_temp documentation
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Merge tag 'hwmon-for-v5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:

 - Fix possible KASAN issue in amd_energy driver

 - Avoid configuration problem in pwm-fan driver

 - Fix kernel-doc warning in sbtsi_temp documentation

* tag 'hwmon-for-v5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (amd_energy) fix allocation of hwmon_channel_info config
  hwmon: (pwm-fan) Ensure that calculation doesn't discard big period values
  hwmon: (sbtsi_temp) Fix Documenation kernel-doc warning
2021-01-09 11:22:30 -08:00
Linus Torvalds
f408126be7 dmaengine fixes for v5.11
Bunch of dmaengine driver fixes for:
 - coverity discovered issues for xilinx driver
 - qcom, gpi driver fix for undefined bhaviour and one off cleanup
 - Update Peter's email for TI DMA drivers
 - one off for idxd driver
 - resource leak fix for mediatek and milbeaut drivers
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Merge tag 'dmaengine-fix-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine fixes from Vinod Koul:
 "A bunch of dmaengine driver fixes for:

   - coverity discovered issues for xilinx driver

   - qcom, gpi driver fix for undefined bhaviour and one off cleanup

   - update Peter's email for TI DMA drivers

   - one-off for idxd driver

   - resource leak fix for mediatek and milbeaut drivers"

* tag 'dmaengine-fix-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
  dmaengine: stm32-mdma: fix STM32_MDMA_VERY_HIGH_PRIORITY value
  dmaengine: xilinx_dma: fix mixed_enum_type coverity warning
  dmaengine: xilinx_dma: fix incompatible param warning in _child_probe()
  dmaengine: xilinx_dma: check dma_async_device_register return value
  dmaengine: qcom: fix gpi undefined behavior
  dt-bindings: dma: ti: Update maintainer and author information
  MAINTAINERS: Add entry for Texas Instruments DMA drivers
  qcom: bam_dma: Delete useless kfree code
  dmaengine: dw-edma: Fix use after free in dw_edma_alloc_chunk()
  dmaengine: milbeaut-xdmac: Fix a resource leak in the error handling path of the probe function
  dmaengine: mediatek: mtk-hsdma: Fix a resource leak in the error handling path of the probe function
  dmaengine: qcom: gpi: Fixes a format mismatch
  dmaengine: idxd: off by one in cleanup code
  dmaengine: ti: k3-udma: Fix pktdma rchan TPL level setup
2021-01-09 11:18:02 -08:00
Linus Torvalds
50dbd96e4f A handful of relatively small documentation fixes.
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Merge tag 'docs-5.11-3' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "A handful of relatively small documentation fixes"

* tag 'docs-5.11-3' of git://git.lwn.net/linux:
  docs: admin-guide: bootconfig: Fix feils to fails
  Documentation/admin-guide: kernel-parameters: hyphenate comma-separated
  docs: binfmt-misc: Fix .rst formatting
  docs: remove mention of ENABLE_MUST_CHECK
  atomic: remove further references to atomic_ops
  Documentation: doc-guide: fixes to sphinx.rst
  docs/mm: concepts.rst: Correct the threshold to low watermark
  Documentation: admin: early_param()s are also listed in kernel-parameters
  docs: Fix reST markup when linking to sections
2021-01-08 17:01:28 -08:00
Linus Torvalds
2a190b22aa x86:
* Fixes for the new scalable MMU
 * Fixes for migration of nested hypervisors on AMD
 * Fix for clang integrated assembler
 * Fix for left shift by 64 (UBSAN)
 * Small cleanups
 * Straggler SEV-ES patch
 
 ARM:
 * VM init cleanups
 * PSCI relay cleanups
 * Kill CONFIG_KVM_ARM_PMU
 * Fixup __init annotations
 * Fixup reg_to_encoding()
 * Fix spurious PMCR_EL0 access
 
 * selftests cleanups
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "x86:
   - Fixes for the new scalable MMU
   - Fixes for migration of nested hypervisors on AMD
   - Fix for clang integrated assembler
   - Fix for left shift by 64 (UBSAN)
   - Small cleanups
   - Straggler SEV-ES patch

  ARM:
   - VM init cleanups
   - PSCI relay cleanups
   - Kill CONFIG_KVM_ARM_PMU
   - Fixup __init annotations
   - Fixup reg_to_encoding()
   - Fix spurious PMCR_EL0 access

  Misc:
   - selftests cleanups"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (38 commits)
  KVM: x86: __kvm_vcpu_halt can be static
  KVM: SVM: Add support for booting APs in an SEV-ES guest
  KVM: nSVM: cancel KVM_REQ_GET_NESTED_STATE_PAGES on nested vmexit
  KVM: nSVM: mark vmcb as dirty when forcingly leaving the guest mode
  KVM: nSVM: correctly restore nested_run_pending on migration
  KVM: x86/mmu: Clarify TDP MMU page list invariants
  KVM: x86/mmu: Ensure TDP MMU roots are freed after yield
  kvm: check tlbs_dirty directly
  KVM: x86: change in pv_eoi_get_pending() to make code more readable
  MAINTAINERS: Really update email address for Sean Christopherson
  KVM: x86: fix shift out of bounds reported by UBSAN
  KVM: selftests: Implement perf_test_util more conventionally
  KVM: selftests: Use vm_create_with_vcpus in create_vm
  KVM: selftests: Factor out guest mode code
  KVM/SVM: Remove leftover __svm_vcpu_run prototype from svm.c
  KVM: SVM: Add register operand to vmsave call in sev_es_vcpu_load
  KVM: x86/mmu: Optimize not-present/MMIO SPTE check in get_mmio_spte()
  KVM: x86/mmu: Use raw level to index into MMIO walks' sptes array
  KVM: x86/mmu: Get root level from walkers when retrieving MMIO SPTE
  KVM: x86/mmu: Use -1 to flag an undefined spte in get_mmio_spte()
  ...
2021-01-08 15:06:02 -08:00
Linus Torvalds
6279d812ea Networking fixes for 5.11-rc3 (part 2), including fixes from bpf and
can trees.
 
 Current release - always broken:
 
  - can: mcp251xfd: fix Tx/Rx ring buffer driver race conditions
 
  - dsa: hellcreek: fix led_classdev build errors
 
 Previous releases - regressions:
 
  - ipv6: fib: flush exceptions when purging route to avoid netdev
               reference leak
 
  - ip_tunnels: fix pmtu check in nopmtudisc mode
 
  - ip: always refragment ip defragmented packets to avoid MTU issues
        when forwarding through tunnels, correct "packet too big"
        message is prohibitively tricky to generate
 
  - s390/qeth: fix locking for discipline setup / removal and during
               recovery to prevent both deadlocks and races
 
  - mlx5: Use port_num 1 instead of 0 when delete a RoCE address
 
 Previous releases - always broken:
 
  - cdc_ncm: correct overhead calculation in delayed_ndp_size to prevent
             out of bound accesses with Huawei 909s-120 LTE module
 
  - stmmac: dwmac-sun8i: fix suspend/resume:
            - PHY being left powered off
            - MAC syscon configuration being reset
            - reference to the reset controller being improperly dropped
 
  - qrtr: fix null-ptr-deref in qrtr_ns_remove
 
  - can: tcan4x5x: fix bittiming const, use common bittiming from m_can
                   driver
 
  - mlx5e: CT: Use per flow counter when CT flow accounting is enabled
 
  - mlx5e: Fix SWP offsets when vlan inserted by driver
 
 Misc:
 
  - bpf: Fix a task_iter bug caused by a bpf -> net merge conflict
         resolution
 
 And the usual many fixes to various error paths.
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.11-rc3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull more networking fixes from Jakub Kicinski:
 "Slightly lighter pull request to get back into the Thursday cadence.

  Current release - always broken:

   - can: mcp251xfd: fix Tx/Rx ring buffer driver race conditions

   - dsa: hellcreek: fix led_classdev build errors

  Previous releases - regressions:

   - ipv6: fib: flush exceptions when purging route to avoid netdev
     reference leak

   - ip_tunnels: fix pmtu check in nopmtudisc mode

   - ip: always refragment ip defragmented packets to avoid MTU issues
     when forwarding through tunnels, correct "packet too big" message
     is prohibitively tricky to generate

   - s390/qeth: fix locking for discipline setup / removal and during
     recovery to prevent both deadlocks and races

   - mlx5: Use port_num 1 instead of 0 when delete a RoCE address

  Previous releases - always broken:

   - cdc_ncm: correct overhead calculation in delayed_ndp_size to
     prevent out of bound accesses with Huawei 909s-120 LTE module

   - fix stmmac dwmac-sun8i suspend/resume:
           - PHY being left powered off
           - MAC syscon configuration being reset
           - reference to the reset controller being improperly dropped

   - qrtr: fix null-ptr-deref in qrtr_ns_remove

   - can: tcan4x5x: fix bittiming const, use common bittiming from m_can
     driver

   - mlx5e: CT: Use per flow counter when CT flow accounting is enabled

   - mlx5e: Fix SWP offsets when vlan inserted by driver

  Misc:

   - bpf: Fix a task_iter bug caused by a bpf -> net merge conflict
     resolution

  And the usual many fixes to various error paths"

* tag 'net-5.11-rc3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (69 commits)
  net: dsa: lantiq_gswip: Exclude RMII from modes that report 1 GbE
  s390/qeth: fix L2 header access in qeth_l3_osa_features_check()
  s390/qeth: fix locking for discipline setup / removal
  s390/qeth: fix deadlock during recovery
  selftests: fib_nexthops: Fix wrong mausezahn invocation
  nexthop: Bounce NHA_GATEWAY in FDB nexthop groups
  nexthop: Unlink nexthop group entry in error path
  nexthop: Fix off-by-one error in error path
  octeontx2-af: fix memory leak of lmac and lmac->name
  chtls: Fix chtls resources release sequence
  chtls: Added a check to avoid NULL pointer dereference
  chtls: Replace skb_dequeue with skb_peek
  chtls: Avoid unnecessary freeing of oreq pointer
  chtls: Fix panic when route to peer not configured
  chtls: Remove invalid set_tcb call
  chtls: Fix hardware tid leak
  net: ip: always refragment ip defragmented packets
  net: fix pmtu check in nopmtudisc mode
  selftests: netfilter: add selftest for ipip pmtu discovery with enabled connection tracking
  docs: octeontx2: tune rst markup
  ...
2021-01-08 12:12:30 -08:00
Paolo Bonzini
774206bc03 KVM/arm64 fixes for 5.11, take #1
- VM init cleanups
 - PSCI relay cleanups
 - Kill CONFIG_KVM_ARM_PMU
 - Fixup __init annotations
 - Fixup reg_to_encoding()
 - Fix spurious PMCR_EL0 access
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Merge tag 'kvmarm-fixes-5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 5.11, take #1

- VM init cleanups
- PSCI relay cleanups
- Kill CONFIG_KVM_ARM_PMU
- Fixup __init annotations
- Fixup reg_to_encoding()
- Fix spurious PMCR_EL0 access
2021-01-08 05:02:40 -05:00
Paolo Bonzini
bc351f0726 Merge branch 'kvm-master' into kvm-next
Fixes to get_mmio_spte, destined to 5.10 stable branch.
2021-01-07 18:06:52 -05:00
Bhaskar Chowdhury
9d54ee78ae docs: admin-guide: bootconfig: Fix feils to fails
s/feils/fails/p

Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20210107125610.1576368-1-unixbhaskar@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-01-07 14:44:58 -07:00
Randy Dunlap
25942e5ecb Documentation/admin-guide: kernel-parameters: hyphenate comma-separated
Hyphenate "comma separated" when it is used as a compound adjective.
hyphenated.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20210101040831.4148-1-rdunlap@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-01-07 14:44:02 -07:00
Jonathan Neuschäfer
a734a7235e docs: binfmt-misc: Fix .rst formatting
"name below" is not part of the /proc path and should not be formatted
in monospace.

"doesn``t" is rendered in HTML with a double backtick. Revert it back to
"doesn't".

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20210101211447.1021412-1-j.neuschaefer@gmx.net
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-01-07 14:43:03 -07:00
Miguel Ojeda
0ef597c3ac docs: remove mention of ENABLE_MUST_CHECK
We removed ENABLE_MUST_CHECK in 1967939462 ("Compiler Attributes:
remove CONFIG_ENABLE_MUST_CHECK"), so let's remove docs' mentions.

At the same time, fix the outdated text related to
ENABLE_WARN_DEPRECATED that wasn't removed in 3337d5cfe5
("configs: get rid of obsolete CONFIG_ENABLE_WARN_DEPRECATED").

Finally, reflow the paragraph.

Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20210105055815.GA5173@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2021-01-07 14:41:38 -07:00
Lukas Bulwahn
f3562f5e00 docs: octeontx2: tune rst markup
Commit 80b9414832 ("docs: octeontx2: Add Documentation for NPA health
reporters") added new documentation with improper formatting for rst, and
caused a few new warnings for make htmldocs in octeontx2.rst:169--202.

Tune markup and formatting for better presentation in the HTML view.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: George Cherian <george.cherian@marvell.com>
Link: https://lore.kernel.org/r/20210106161735.21751-1-lukas.bulwahn@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-01-07 12:47:31 -08:00
Linus Torvalds
a1a7b4f324 regulator: Fixes for v5.11
A few minor driver specific fixes, mostly DT bindings document bits,
 plus a new device ID.
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Merge tag 'regulator-fix-v5.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A few minor driver specific fixes, mostly DT bindings document bits,
  plus a new device ID"

* tag 'regulator-fix-v5.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: qcom-rpmh: add QCOM_COMMAND_DB dependency
  regulator: qcom-rpmh-regulator: correct hfsmps515 definition
  dt-bindings: regulator: qcom,rpmh-regulator: add pm8009 revision
  regulator: bd718x7: Add enable times
  regulator: pf8x00: Use specific compatible strings for devices
2021-01-07 12:18:22 -08:00
Jakub Kicinski
9f9d41f03b docs: net: fix documentation on .ndo_get_stats
Fix calling context.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-01-05 16:41:51 -08:00
Linus Torvalds
aa35e45cd4 Networking fixes for 5.11-rc3, including fixes from netfilter, wireless
and bpf trees.
 
 Current release - regressions:
 
  - mt76: - usb: fix NULL pointer dereference in mt76u_status_worker
          - sdio: fix NULL pointer dereference in mt76s_process_tx_queue
 
  - net: ipa: fix interconnect enable bug
 
 Current release - always broken:
 
  - netfilter: ipset: fixes possible oops in mtype_resize
 
  - ath11k: fix number of coding issues found by static analysis tools
            and spurious error messages
 
 Previous releases - regressions:
 
  - e1000e: re-enable s0ix power saving flows for systems with
            the Intel i219-LM Ethernet controllers to fix power
 	   use regression
 
  - virtio_net: fix recursive call to cpus_read_lock() to avoid
                a deadlock
 
  - ipv4: ignore ECN bits for fib lookups in fib_compute_spec_dst()
 
  - net-sysfs: take the rtnl lock around XPS configuration
 
  - xsk: - fix memory leak for failed bind
         - rollback reservation at NETDEV_TX_BUSY
 
  - r8169: work around power-saving bug on some chip versions
 
 Previous releases - always broken:
 
  - dcb: validate netlink message in DCB handler
 
  - tun: fix return value when the number of iovs exceeds MAX_SKB_FRAGS
         to prevent unnecessary retries
 
  - vhost_net: fix ubuf refcount when sendmsg fails
 
  - bpf: save correct stopping point in file seq iteration
 
  - ncsi: use real net-device for response handler
 
  - neighbor: fix div by zero caused by a data race (TOCTOU)
 
  - bareudp: - fix use of incorrect min_headroom size
             - fix false positive lockdep splat from the TX lock
 
  - net: mvpp2: - clear force link UP during port init procedure
                  in case bootloader had set it
                - add TCAM entry to drop flow control pause frames
 	       - fix PPPoE with ipv6 packet parsing
 	       - fix GoP Networking Complex Control config of port 3
 	       - fix pkt coalescing IRQ-threshold configuration
 
  - xsk: fix race in SKB mode transmit with shared cq
 
  - ionic: account for vlan tag len in rx buffer len
 
  - net: stmmac: ignore the second clock input, current clock framework
                 does not handle exclusive clock use well, other drivers
 		may reconfigure the second clock
 Misc:
 
  - ppp: change PPPIOCUNBRIDGECHAN ioctl request number to follow
         existing scheme
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Networking fixes, including fixes from netfilter, wireless and bpf
  trees.

  Current release - regressions:

   - mt76: fix NULL pointer dereference in mt76u_status_worker and
     mt76s_process_tx_queue

   - net: ipa: fix interconnect enable bug

  Current release - always broken:

   - netfilter: fixes possible oops in mtype_resize in ipset

   - ath11k: fix number of coding issues found by static analysis tools
     and spurious error messages

  Previous releases - regressions:

   - e1000e: re-enable s0ix power saving flows for systems with the
     Intel i219-LM Ethernet controllers to fix power use regression

   - virtio_net: fix recursive call to cpus_read_lock() to avoid a
     deadlock

   - ipv4: ignore ECN bits for fib lookups in fib_compute_spec_dst()

   - sysfs: take the rtnl lock around XPS configuration

   - xsk: fix memory leak for failed bind and rollback reservation at
     NETDEV_TX_BUSY

   - r8169: work around power-saving bug on some chip versions

  Previous releases - always broken:

   - dcb: validate netlink message in DCB handler

   - tun: fix return value when the number of iovs exceeds MAX_SKB_FRAGS
     to prevent unnecessary retries

   - vhost_net: fix ubuf refcount when sendmsg fails

   - bpf: save correct stopping point in file seq iteration

   - ncsi: use real net-device for response handler

   - neighbor: fix div by zero caused by a data race (TOCTOU)

   - bareudp: fix use of incorrect min_headroom size and a false
     positive lockdep splat from the TX lock

   - mvpp2:
      - clear force link UP during port init procedure in case
        bootloader had set it
      - add TCAM entry to drop flow control pause frames
      - fix PPPoE with ipv6 packet parsing
      - fix GoP Networking Complex Control config of port 3
      - fix pkt coalescing IRQ-threshold configuration

   - xsk: fix race in SKB mode transmit with shared cq

   - ionic: account for vlan tag len in rx buffer len

   - stmmac: ignore the second clock input, current clock framework does
     not handle exclusive clock use well, other drivers may reconfigure
     the second clock

  Misc:

   - ppp: change PPPIOCUNBRIDGECHAN ioctl request number to follow
     existing scheme"

* tag 'net-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (99 commits)
  net: dsa: lantiq_gswip: Fix GSWIP_MII_CFG(p) register access
  net: dsa: lantiq_gswip: Enable GSWIP_MII_CFG_EN also for internal PHYs
  net: lapb: Decrease the refcount of "struct lapb_cb" in lapb_device_event
  r8169: work around power-saving bug on some chip versions
  net: usb: qmi_wwan: add Quectel EM160R-GL
  selftests: mlxsw: Set headroom size of correct port
  net: macb: Correct usage of MACB_CAPS_CLK_HW_CHG flag
  ibmvnic: fix: NULL pointer dereference.
  docs: networking: packet_mmap: fix old config reference
  docs: networking: packet_mmap: fix formatting for C macros
  vhost_net: fix ubuf refcount incorrectly when sendmsg fails
  bareudp: Fix use of incorrect min_headroom size
  bareudp: set NETIF_F_LLTX flag
  net: hdlc_ppp: Fix issues when mod_timer is called while timer is running
  atlantic: remove architecture depends
  erspan: fix version 1 check in gre_parse_header()
  net: hns: fix return value check in __lb_other_process()
  net: sched: prevent invalid Scell_log shift count
  net: neighbor: fix a crash caused by mod zero
  ipv4: Ignore ECN bits for fib lookups in fib_compute_spec_dst()
  ...
2021-01-05 12:38:56 -08:00
Baruch Siach
e4da63cda5 docs: networking: packet_mmap: fix old config reference
Before commit 889b8f964f ("packet: Kill CONFIG_PACKET_MMAP.") there
used to be a CONFIG_PACKET_MMAP config symbol that depended on
CONFIG_PACKET. The text still implies that PACKET_MMAP can be disabled.
Remove that from the text, as well as reference to old kernel versions.

Also, drop reference to broken link to information for pre 2.6.5
kernels.

Make a slight working improvement (s/In/On/) while at it.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Link: https://lore.kernel.org/r/80089f3783372c8fd7833f28ce774a171b2ef252.1609232919.git.baruch@tkos.co.il
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-01-04 13:21:46 -08:00
Baruch Siach
17e94567c5 docs: networking: packet_mmap: fix formatting for C macros
The citation of macro definitions should appear in a code block.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Link: https://lore.kernel.org/r/5cb47005e7a59b64299e038827e295822193384c.1609232919.git.baruch@tkos.co.il
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-01-04 13:21:46 -08:00
Mark Brown
36836f5b37
Merge qcom driver fix into regulator-5.11 2021-01-04 16:23:20 +00:00
Dmitry Baryshkov
2bf3a72b08
dt-bindings: regulator: qcom,rpmh-regulator: add pm8009 revision
PMIC pm8009 has special revision (P=1) made for sm8250 platform. The
major difference is the S2 regulator which supplies 0.95 V instead of
2.848V. Add special compatibility string for this chip revision.
The datasheet calls the chip just pm8009-1, so use the same name.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20201231122348.637917-2-dmitry.baryshkov@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2021-01-04 14:25:02 +00:00
Lukas Bulwahn
798ed7800e atomic: remove further references to atomic_ops
Commit f0400a77eb ("atomic: Delete obsolete documentation") removed
./Documentation/core-api/atomic_ops.rst, but missed to remove further
references to that file.

Hence, make htmldocs warns:

  Documentation/core-api/index.rst:53: WARNING:
  toctree contains reference to nonexisting document 'core-api/atomic_ops'

Also, ./scripts/get_maintainer.pl --self-test=patterns warns:

  warning: no file matches    F:    Documentation/core-api/atomic_ops.rst

Remove further references to ./Documentation/core-api/atomic_ops.rst.

Fixes: f0400a77eb ("atomic: Delete obsolete documentation")
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20201220060927.21582-1-lukas.bulwahn@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-12-31 15:51:33 -07:00
Randy Dunlap
0be1511f51 Documentation: doc-guide: fixes to sphinx.rst
Various fixes to sphinx.rst:

- eliminate a double-space between 2 words
- grammar/wording
- punctuation
- call rows in a table 'rows' instead of 'columns' (or does Sphinx
  call everything a column?)
- It seems that "amdfonts" should be "amsfonts". I can't find any
  amdfonts.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/20201228231212.22448-1-rdunlap@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-12-31 15:49:51 -07:00
Liao Pingfang
c7e74b3c7b docs/mm: concepts.rst: Correct the threshold to low watermark
It should be "low watermark" where we wake up kswapd daemon.

Signed-off-by: Liao Pingfang <winndows@163.com>
Link: https://lore.kernel.org/r/1609053319-3112-1-git-send-email-winndows@163.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-12-31 15:47:34 -07:00
Randy Dunlap
81e7906300 Documentation: admin: early_param()s are also listed in kernel-parameters
Add info that "early_param()" kernel boot parameters are also listed
in kernel-parameters.txt.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Link: https://lore.kernel.org/r/20201226174433.7885-1-rdunlap@infradead.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-12-31 15:46:18 -07:00
Nícolas F. R. A. Prado
4f8af077a0 docs: Fix reST markup when linking to sections
During the process of converting the documentation to reST, some links
were converted using the following wrong syntax (and sometimes using %20
instead of spaces):

   `Display text <#section-name-in-html>`__

This syntax isn't valid according to the docutils' spec [1], but more
importantly, it is specific to HTML, since it uses '#' to link to an
HTML anchor.

The right syntax would instead use a docutils hyperlink reference as the
embedded URI to point to the section [2], that is:

   `Display text <Section Name_>`__

This syntax works in both HTML and PDF.

The LaTeX toolchain doesn't mind the HTML anchor syntax when generating
the pdf documentation (make pdfdocs), that is, the build succeeds but
the links don't work, but that syntax causes errors when trying to build
using the not-yet-merged rst2pdf:

   ValueError: format not resolved, probably missing URL scheme or undefined destination target for 'Forcing%20Quiescent%20States'

So, use the correct syntax in order to have it work in all different
output formats.

[1]: https://docutils.sourceforge.io/docs/ref/rst/restructuredtext.html#reference-names
[2]: https://docutils.sourceforge.io/docs/ref/rst/restructuredtext.html#embedded-uris-and-aliases

Fixes: ccc9971e21 ("docs: rcu: convert some articles from html to ReST")
Fixes: c8cce10a62 ("docs: Fix the reference labels in Locking.rst")
Fixes: e548cdeffc ("docs-rst: convert kernel-locking to ReST")
Fixes: 7ddedebb03 ("ALSA: doc: ReSTize writing-an-alsa-driver document")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@protonmail.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/20201228144537.135353-1-nfraprado@protonmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-12-31 15:44:47 -07:00
Randy Dunlap
e042f151ec hwmon: (sbtsi_temp) Fix Documenation kernel-doc warning
Fix Documentation/hwmon/ kernel-doc warning in 5.11-rc1:

lnx-511-rc1/Documentation/hwmon/sbtsi_temp.rst:4: WARNING: Title underline too short.

Kernel driver sbtsi_temp
==================

Fixes: 6ec3fcf556 ("hwmon: (sbtsi) Add documentation")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Kun Yi <kunyi@google.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: linux-hwmon@vger.kernel.org
Link: https://lore.kernel.org/r/20201229035428.31270-1-rdunlap@infradead.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-12-30 08:05:20 -08:00
Peter Ujfalusi
cc465fa269 dt-bindings: dma: ti: Update maintainer and author information
My employment with TI is coming to an end, add the copyright and author comments
as they due and change the maintainer mail address.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Link: https://lore.kernel.org/r/20201215131348.11282-3-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2020-12-29 10:08:00 +05:30
Aswath Govindraju
88ebce9280 dt-bindings: usb: Add new compatible string for AM64 SoC
Add compatible string in j721e-usb binding file as the same USB subsystem
is present in AM64.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Link: https://lore.kernel.org/r/20201215042549.7956-1-a-govindraju@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-12-28 15:40:47 +01:00
Mark Brown
2ae6f64ce1 Linux 5.11-rc1
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Merge tag 'v5.11-rc1' into regulator-5.11

Linux 5.11-rc1
2020-12-28 14:20:00 +00:00
Linus Torvalds
71c5f03154 A small set of late-arriving, small documentation fixes.
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Merge tag 'docs-5.11-2' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "A small set of late-arriving, small documentation fixes"

* tag 'docs-5.11-2' of git://git.lwn.net/linux:
  docs: admin-guide: Fix default value of max_map_count in sysctl/vm.rst
  Documentation/submitting-patches: Document the SoB chain
  Documentation: process: Correct numbering
  docs: submitting-patches: Trivial - fix grammatical error
2020-12-24 14:20:33 -08:00
Linus Torvalds
555a6e8c11 Various bug fixes and cleanups for ext4; no new features this cycle.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "Various bug fixes and cleanups for ext4; no new features this cycle"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (29 commits)
  ext4: remove unnecessary wbc parameter from ext4_bio_write_page
  ext4: avoid s_mb_prefetch to be zero in individual scenarios
  ext4: defer saving error info from atomic context
  ext4: simplify ext4 error translation
  ext4: move functions in super.c
  ext4: make ext4_abort() use __ext4_error()
  ext4: standardize error message in ext4_protect_reserved_inode()
  ext4: remove redundant sb checksum recomputation
  ext4: don't remount read-only with errors=continue on reboot
  ext4: fix deadlock with fs freezing and EA inodes
  jbd2: add a helper to find out number of fast commit blocks
  ext4: make fast_commit.h byte identical with e2fsprogs/fast_commit.h
  ext4: fix fall-through warnings for Clang
  ext4: add docs about fast commit idempotence
  ext4: remove the unused EXT4_CURRENT_REV macro
  ext4: fix an IS_ERR() vs NULL check
  ext4: check for invalid block size early when mounting a file system
  ext4: fix a memory leak of ext4_free_data
  ext4: delete nonsensical (commented-out) code inside ext4_xattr_block_set()
  ext4: update ext4_data_block_valid related comments
  ...
2020-12-24 14:16:02 -08:00
Linus Torvalds
14571d5f22 Devicetree fixes for v5.11, take 1:
- Correct the JSON pointer syntax in binding schemas
 
 - Drop unnecessary *-supply schema constraints
 
 - Drop redundant maxItems/items on array schemas
 
 - Fix various yamllint warnings
 
 - Fix various missing 'additionalProperties' properties
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Merge tag 'devicetree-fixes-for-5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Correct the JSON pointer syntax in binding schemas

 - Drop unnecessary *-supply schema constraints

 - Drop redundant maxItems/items on array schemas

 - Fix various yamllint warnings

 - Fix various missing 'additionalProperties' properties

* tag 'devicetree-fixes-for-5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: Drop redundant maxItems/items
  dt-bindings: net: qcom,ipa: Drop unnecessary type ref on 'memory-region'
  dt-bindings: Drop unnecessary *-supply schemas properties
  dt-bindings/display: abt,y030xx067a: Fix binding
  dt-bindings: clock: imx8qxp-lpcg: eliminate yamllint warnings
  dt-bindings: display: eliminate yamllint warnings
  dt-bindings: media: nokia,smia: eliminate yamllint warnings
  dt-bindings: devapc: add the required property 'additionalProperties'
  dt-bindings: soc: add the required property 'additionalProperties'
  dt-bindings: serial: add the required property 'additionalProperties'
  dt-bindings: xlnx,vcu-settings: fix dt_binding_check warnings
  media: dt-bindings: coda: Add missing 'additionalProperties'
  dt-bindings: Fix JSON pointers
2020-12-24 12:09:48 -08:00
Linus Torvalds
6755f45631 linux-watchdog 5.11-rc1 tag
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Merge tag 'linux-watchdog-5.11-rc1' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog updates from Wim Van Sebroeck:

 - Removal of the pnx83xx driver

 - Add a binding for A100's watchdog controller

 - Add Rockchip compatibles to snps,dw-wdt.yaml

 - hpwdt: Disable NMI in Crash Kernel

 - Fix potential dereferencing of null pointer in watchdog_core

 - Several other small fixes and improvements

* tag 'linux-watchdog-5.11-rc1' of git://www.linux-watchdog.org/linux-watchdog: (23 commits)
  watchdog: convert comma to semicolon
  watchdog: iTCO_wdt: use dev_*() instead of pr_*() for logging
  dt-binding: watchdog: add Rockchip compatibles to snps,dw-wdt.yaml
  watchdog: coh901327: add COMMON_CLK dependency
  dt-bindings: watchdog: sun4i: Add A100 compatible
  watchdog: qcom: Avoid context switch in restart handler
  watchdog: iTCO_wdt: use module_platform_device() macro
  watchdog: Fix potential dereferencing of null pointer
  watchdog: wdat_wdt: Fix missing kerneldoc reported by W=1
  watchdog/hpwdt: Reflect changes
  watchdog/hpwdt: Disable NMI in Crash Kernel
  wdt: sp805: add watchdog_stop on reboot
  watchdog: sbc_fitpc2_wdt: add __user annotations
  watchdog: geodewdt: remove unneeded break
  watchdog: rti-wdt: fix reference leak in rti_wdt_probe
  watchdog: qcom_wdt: set WDOG_HW_RUNNING bit when appropriate
  watchdog: remove pnx83xx driver
  watchdog: stm32_iwdg: don't print an error on probe deferral
  watchdog: sprd: change to use usleep_range() instead of busy loop
  watchdog: sprd: check busy bit before new loading rather than after that
  ...
2020-12-23 15:01:49 -08:00
Alexandru Elisei
3557ae187c KVM: Documentation: Add arm64 KVM_RUN error codes
The API documentation states that general error codes are not detailed, but
errors with specific meanings are. On arm64, KVM_RUN can return error
numbers with a different meaning than what is described by POSIX or the C99
standard (as taken from man 3 errno).

Absent from the newly documented error codes is ERANGE which can be
returned when making a change to the EL2 stage 1 tables if the address is
larger than the largest supported input address. Assuming no bugs in the
implementation, that is not possible because the input addresses which are
mapped are the result of applying the macro kern_hyp_va() on kernel virtual
addresses.

CC: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20201201150157.223625-2-alexandru.elisei@arm.com
2020-12-23 16:39:58 +00:00
Baruch Siach
1d898b2835 docs: netdev-FAQ: fix question headers formatting
Join adjacent questions to a single question line. This fixes the
formatting of questions that were not part of the heading.

Also, drop Q: and A: prefixes. We don't need them now that questions and
answers are visually separated.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Link: https://lore.kernel.org/r/f76078ba5547744f2ec178984c32fbc7dcd29a2b.1608454187.git.baruch@tkos.co.il
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-22 19:28:24 -08:00
Rob Herring
2b8f061a4f dt-bindings: Drop redundant maxItems/items
'maxItems' equal to the 'items' list length is redundant. 'maxItems' is
preferred for a single entry while greater than 1 should have an 'items'
list.

A meta-schema check for this is pending once these existing cases are
fixed.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: dri-devel@lists.freedesktop.org
Cc: dmaengine@vger.kernel.org
Cc: alsa-devel@alsa-project.org
Cc: linux-usb@vger.kernel.org
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20201222040645.1323611-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2020-12-22 18:58:24 -07:00
Rob Herring
246eedd70d dt-bindings: net: qcom,ipa: Drop unnecessary type ref on 'memory-region'
'memory-region' is a common property, so it doesn't need a type ref here.

Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Alex Elder <elder@kernel.org>
Cc: netdev@vger.kernel.org
Acked-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/20201222040121.1314370-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2020-12-22 18:58:23 -07:00
Rob Herring
9bfaf9c729 dt-bindings: Drop unnecessary *-supply schemas properties
*-supply properties are always a single phandle, so binding schemas
don't need a type $ref nor 'maxItems'.

A meta-schema check for this is pending once these existing cases are
fixed.

Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-iio@vger.kernel.org
Cc: linux-input@vger.kernel.org
Cc: linux-media@vger.kernel.org
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20201221234659.824881-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
2020-12-22 18:58:02 -07:00
Linus Torvalds
4960821a4d More power management updates for 5.11-rc1
- Rework the passive-mode "fast switch" path in the intel_pstate
    driver to allow it receive the minimum (required) and target
    (desired) performance information from the schedutil governor so
    as to avoid running some workloads too fast (Rafael Wysocki).
 
  - Make the intel_pstate driver allow the policy max limit to be
    increased after the guaranteed performance value for the given
    CPU has increased (Rafael Wysocki).
 
  - Clean up the handling of CPU coordination types in the CPPC
    cpufreq driver and make it export frequency domains information
    to user space via sysfs (Ionela Voinescu).
 
  - Fix the ACPI code handling processor objects to use a correct
    coordination type when it fails to map frequency domains and drop
    a redundant CPU map initialization from it (Ionela Voinescu, Punit
    Agrawal).
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Merge tag 'pm-5.11-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These update the CPPC cpufreq driver and intel_pstate (which involves
  updating the cpufreq core and the schedutil governor) and make
  janitorial changes in the ACPI code handling processor objects.

  Specifics:

   - Rework the passive-mode "fast switch" path in the intel_pstate
     driver to allow it receive the minimum (required) and target
     (desired) performance information from the schedutil governor so as
     to avoid running some workloads too fast (Rafael Wysocki).

   - Make the intel_pstate driver allow the policy max limit to be
     increased after the guaranteed performance value for the given CPU
     has increased (Rafael Wysocki).

   - Clean up the handling of CPU coordination types in the CPPC cpufreq
     driver and make it export frequency domains information to user
     space via sysfs (Ionela Voinescu).

   - Fix the ACPI code handling processor objects to use a correct
     coordination type when it fails to map frequency domains and drop a
     redundant CPU map initialization from it (Ionela Voinescu, Punit
     Agrawal)"

* tag 'pm-5.11-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: intel_pstate: Use most recent guaranteed performance values
  cpufreq: intel_pstate: Implement the ->adjust_perf() callback
  cpufreq: Add special-purpose fast-switching callback for drivers
  cpufreq: schedutil: Add util to struct sg_cpu
  cppc_cpufreq: replace per-cpu data array with a list
  cppc_cpufreq: expose information on frequency domains
  cppc_cpufreq: clarify support for coordination types
  cppc_cpufreq: use policy->cpu as driver of frequency setting
  ACPI: processor: fix NONE coordination for domain mapping failure
2020-12-22 14:12:10 -08:00
Linus Torvalds
2762db756f Kconfig updates for v5.11
- Support only Qt5 for qconf
 
  - Validate signal/slot connection at compile time of qconf
 
  - Sanitize header includes
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Merge tag 'kconfig-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kconfig updates from Masahiro Yamada:

 - Support only Qt5 for qconf

 - Validate signal/slot connection at compile time of qconf

 - Sanitize header includes

* tag 'kconfig-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kconfig: doc: fix $(fileno) to $(filename)
  kconfig: fix return value of do_error_if()
  kconfig: clean up header inclusion
  kconfig: qconf: show Qt version in the About dialog
  kconfig: make lkc.h self-sufficient #include-wise
  kconfig: qconf: convert to Qt5 new signal/slot connection syntax
  kconfig: qconf: use a variable to pass packages to pkg-config
  kconfig: qconf: drop Qt4 support
2020-12-22 14:04:25 -08:00
Linus Torvalds
7b95f0563a Kbuild updates for v5.11
- Use /usr/bin/env for shebang lines in scripts
 
  - Remove useless -Wnested-externs warning flag
 
  - Update documents
 
  - Refactor log handling in modpost
 
  - Stop building modules without MODULE_LICENSE() tag
 
  - Make the insane combination of 'static' and EXPORT_SYMBOL an error
 
  - Improve genksyms to handle _Static_assert()
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Merge tag 'kbuild-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Use /usr/bin/env for shebang lines in scripts

 - Remove useless -Wnested-externs warning flag

 - Update documents

 - Refactor log handling in modpost

 - Stop building modules without MODULE_LICENSE() tag

 - Make the insane combination of 'static' and EXPORT_SYMBOL an error

 - Improve genksyms to handle _Static_assert()

* tag 'kbuild-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  Documentation/kbuild: Document platform dependency practises
  Documentation/kbuild: Document COMPILE_TEST dependencies
  genksyms: Ignore module scoped _Static_assert()
  modpost: turn static exports into error
  modpost: turn section mismatches to error from fatal()
  modpost: change license incompatibility to error() from fatal()
  modpost: turn missing MODULE_LICENSE() into error
  modpost: refactor error handling and clarify error/fatal difference
  modpost: rename merror() to error()
  kbuild: don't hardcode depmod path
  kbuild: doc: document subdir-y syntax
  kbuild: doc: clarify the difference between extra-y and always-y
  kbuild: doc: split if_changed explanation to a separate section
  kbuild: doc: merge 'Special Rules' and 'Custom kbuild commands' sections
  kbuild: doc: fix 'List directories to visit when descending' section
  kbuild: doc: replace arch/$(ARCH)/ with arch/$(SRCARCH)/
  kbuild: doc: update the description about kbuild Makefiles
  Makefile.extrawarn: remove -Wnested-externs warning
  tweewide: Fix most Shebang lines
2020-12-22 14:02:39 -08:00
Linus Torvalds
1375b9803e Merge branch 'akpm' (patches from Andrew)
Merge KASAN updates from Andrew Morton.

This adds a new hardware tag-based mode to KASAN.  The new mode is
similar to the existing software tag-based KASAN, but relies on arm64
Memory Tagging Extension (MTE) to perform memory and pointer tagging
(instead of shadow memory and compiler instrumentation).

By Andrey Konovalov and Vincenzo Frascino.

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (60 commits)
  kasan: update documentation
  kasan, mm: allow cache merging with no metadata
  kasan: sanitize objects when metadata doesn't fit
  kasan: clarify comment in __kasan_kfree_large
  kasan: simplify assign_tag and set_tag calls
  kasan: don't round_up too much
  kasan, mm: rename kasan_poison_kfree
  kasan, mm: check kasan_enabled in annotations
  kasan: add and integrate kasan boot parameters
  kasan: inline (un)poison_range and check_invalid_free
  kasan: open-code kasan_unpoison_slab
  kasan: inline random_tag for HW_TAGS
  kasan: inline kasan_reset_tag for tag-based modes
  kasan: remove __kasan_unpoison_stack
  kasan: allow VMAP_STACK for HW_TAGS mode
  kasan, arm64: unpoison stack only with CONFIG_KASAN_STACK
  kasan: introduce set_alloc_info
  kasan: rename get_alloc/free_info
  kasan: simplify quarantine_put call site
  kselftest/arm64: check GCR_EL1 after context switch
  ...
2020-12-22 13:38:17 -08:00
Linus Torvalds
c45647f9f5 ARM updates for 5.11:
- Rework phys/virt translation
 - Add KASan support
 - Move DT out of linear map region
 - Use more PC-relative addressing in assembly
 - Remove FP emulation handling while in kernel mode
 - Link with '-z norelro'
 - remove old check for GCC <= 4.2 in ARM unwinder code
 - disable big endian if using clang's linker
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux

Pull ARM updates from Russell King:

 - Rework phys/virt translation

 - Add KASan support

 - Move DT out of linear map region

 - Use more PC-relative addressing in assembly

 - Remove FP emulation handling while in kernel mode

 - Link with '-z norelro'

 - remove old check for GCC <= 4.2 in ARM unwinder code

 - disable big endian if using clang's linker

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: (46 commits)
  ARM: 9027/1: head.S: explicitly map DT even if it lives in the first physical section
  ARM: 9038/1: Link with '-z norelro'
  ARM: 9037/1: uncompress: Add OF_DT_MAGIC macro
  ARM: 9036/1: uncompress: Fix dbgadtb size parameter name
  ARM: 9035/1: uncompress: Add be32tocpu macro
  ARM: 9033/1: arm/smp: Drop the macro S(x,s)
  ARM: 9032/1: arm/mm: Convert PUD level pgtable helper macros into functions
  ARM: 9031/1: hyp-stub: remove unused .L__boot_cpu_mode_offset symbol
  ARM: 9044/1: vfp: use undef hook for VFP support detection
  ARM: 9034/1: __div64_32(): straighten up inline asm constraints
  ARM: 9030/1: entry: omit FP emulation for UND exceptions taken in kernel mode
  ARM: 9029/1: Make iwmmxt.S support Clang's integrated assembler
  ARM: 9028/1: disable KASAN in call stack capturing routines
  ARM: 9026/1: unwind: remove old check for GCC <= 4.2
  ARM: 9025/1: Kconfig: CPU_BIG_ENDIAN depends on !LD_IS_LLD
  ARM: 9024/1: Drop useless cast of "u64" to "long long"
  ARM: 9023/1: Spelling s/mmeory/memory/
  ARM: 9022/1: Change arch/arm/lib/mem*.S to use WEAK instead of .weak
  ARM: kvm: replace open coded VA->PA calculations with adr_l call
  ARM: head.S: use PC relative insn sequence to calculate PHYS_OFFSET
  ...
2020-12-22 13:34:27 -08:00
Linus Torvalds
d8355e740f - Add DM verity support for signature verification with 2nd keyring.
- Fix DM verity to skip verity work if IO completes with error while
   system is shutting down.
 
 - Add new DM multipath "IO affinity" path selector that maps IO
   destined to a given path to a specific CPU based on user provided
   mapping.
 
 - Rename DM multipath path selector source files to have "dm-ps"
   prefix.
 
 - Add REQ_NOWAIT support to some other simple DM targets that don't
   block in more elaborate ways waiting for IO.
 
 - Export DM crypt's kcryptd workqueue via sysfs (WQ_SYSFS).
 
 - Fix error return code in DM's target_message() if empty message is
   received.
 
 - A handful of other small cleanups.
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Merge tag 'for-5.11/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper updates from Mike Snitzer:

 - Add DM verity support for signature verification with 2nd keyring

 - Fix DM verity to skip verity work if IO completes with error while
   system is shutting down

 - Add new DM multipath "IO affinity" path selector that maps IO
   destined to a given path to a specific CPU based on user provided
   mapping

 - Rename DM multipath path selector source files to have "dm-ps" prefix

 - Add REQ_NOWAIT support to some other simple DM targets that don't
   block in more elaborate ways waiting for IO

 - Export DM crypt's kcryptd workqueue via sysfs (WQ_SYSFS)

 - Fix error return code in DM's target_message() if empty message is
   received

 - A handful of other small cleanups

* tag 'for-5.11/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm cache: simplify the return expression of load_mapping()
  dm ebs: avoid double unlikely() notation when using IS_ERR()
  dm verity: skip verity work if I/O error when system is shutting down
  dm crypt: export sysfs of kcryptd workqueue
  dm ioctl: fix error return code in target_message
  dm crypt: Constify static crypt_iv_operations
  dm: add support for REQ_NOWAIT to various targets
  dm: rename multipath path selector source files to have "dm-ps" prefix
  dm mpath: add IO affinity path selector
  dm verity: Add support for signature verification with 2nd keyring
  dm: remove unnecessary current->bio_list check when submitting split bio
2020-12-22 13:27:21 -08:00
Andrey Konovalov
625d867347 kasan: update documentation
This change updates KASAN documentation to reflect the addition of boot
parameters and also reworks and clarifies some of the existing sections,
in particular: defines what a memory granule is, mentions quarantine,
makes Kunit section more readable.

Link: https://lkml.kernel.org/r/748daf013e17d925b0fe00c1c3b5dce726dd2430.1606162397.git.andreyknvl@google.com
Link: https://linux-review.googlesource.com/id/Ib1f83e91be273264b25f42b04448ac96b858849f
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Tested-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Branislav Rankov <Branislav.Rankov@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-22 12:55:09 -08:00
Andrey Konovalov
948e32539f kasan: add documentation for hardware tag-based mode
Add documentation for hardware tag-based KASAN mode and also add some
clarifications for software tag-based mode.

Link: https://lkml.kernel.org/r/20ed1d387685e89fc31be068f890f070ef9fd5d5.1606161801.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Tested-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Branislav Rankov <Branislav.Rankov@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-22 12:55:08 -08:00
Andrey Konovalov
1f600626b3 kasan: rename KASAN_SHADOW_* to KASAN_GRANULE_*
This is a preparatory commit for the upcoming addition of a new hardware
tag-based (MTE-based) KASAN mode.

The new mode won't be using shadow memory, but will still use the concept
of memory granules.  Each memory granule maps to a single metadata entry:
8 bytes per one shadow byte for generic mode, 16 bytes per one shadow byte
for software tag-based mode, and 16 bytes per one allocation tag for
hardware tag-based mode.

Rename KASAN_SHADOW_SCALE_SIZE to KASAN_GRANULE_SIZE, and
KASAN_SHADOW_MASK to KASAN_GRANULE_MASK.

Also use MASK when used as a mask, otherwise use SIZE.

No functional changes.

Link: https://lkml.kernel.org/r/939b5754e47f528a6e6a6f28ffc5815d8d128033.1606161801.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Tested-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Branislav Rankov <Branislav.Rankov@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-22 12:55:06 -08:00
Rafael J. Wysocki
c3a74f8e25 Merge branch 'pm-cpufreq'
* pm-cpufreq:
  cpufreq: intel_pstate: Use most recent guaranteed performance values
  cpufreq: intel_pstate: Implement the ->adjust_perf() callback
  cpufreq: Add special-purpose fast-switching callback for drivers
  cpufreq: schedutil: Add util to struct sg_cpu
  cppc_cpufreq: replace per-cpu data array with a list
  cppc_cpufreq: expose information on frequency domains
  cppc_cpufreq: clarify support for coordination types
  cppc_cpufreq: use policy->cpu as driver of frequency setting
  ACPI: processor: fix NONE coordination for domain mapping failure
  ACPI: processor: Drop duplicate setting of shared_cpu_map
2020-12-22 17:59:11 +01:00