Commit Graph

57114 Commits

Author SHA1 Message Date
Jae Hyun Yoo
5da3ae6998 dt-bindings: pinctrl: aspeed-g6: add FWQSPI function/group
Add FWQSPI function/group to support QSPI mode on the dedicated
FWSPI interface.

Signed-off-by: Jae Hyun Yoo <quic_jaehyoo@quicinc.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220329173932.2588289-6-quic_jaehyoo@quicinc.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
2022-04-13 11:53:52 +09:30
Jae Hyun Yoo
a29c96a405 dt-bindings: pinctrl: aspeed-g6: remove FWQSPID group
FWQSPID is not a group of FWSPID so remove it.

Fixes: 7488838f23 ("dt-bindings: pinctrl: aspeed: Document AST2600 pinmux")
Signed-off-by: Jae Hyun Yoo <quic_jaehyoo@quicinc.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20220329173932.2588289-4-quic_jaehyoo@quicinc.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
2022-04-13 11:53:52 +09:30
Linus Torvalds
6c7376da23 linux-kselftest-kunit-fixes-5.18-rc2
This KUnit update for Linux 5.18-rc2 consists of a single documentation
 fix to incorrect and outdated usage information.
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Merge tag 'linux-kselftest-kunit-fixes-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull KUnit fix from Shuah Khan:
 "A single documentation fix to incorrect and outdated usage
  information"

* tag 'linux-kselftest-kunit-fixes-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  Documentation: kunit: fix path to .kunitconfig in start.rst
2022-04-08 15:06:11 -10:00
Linus Torvalds
1831fed559 drm fixes for 5.18-rc2
dma-fence:
 - fix warning about fence containers
 - fix logic error in new fence merge code
 - handle empty dma_fence_arrays gracefully
 
 bridge:
 - Try all possible cases for bridge/panel detection.
 
 bindings:
 - Don't require input port for MIPI-DSI, and make width/height mandatory.
 
 fbdev:
 - Fix unregistering of framebuffers without device.
 
 nouveau:
 - Fix a crash when booting with nouveau on tegra.
 
 amdgpu:
 - GFX 10.3.7 fixes
 - noretry updates
 - VCN fixes
 - TMDS fix
 - zstate fix for freesync video
 - DCN 3.1.5 fix
 - Display stack size fix
 - Audio fix
 - DCN 3.1 pstate fix
 - TMZ VCN fix
 - APU passthrough fix
 - Misc other fixes
 - VCN 3.0 fixes
 - Misc display fixes
 - GC 10.3 golden register fix
 - Suspend fix
 - SMU 10 fix
 
 amdkfd:
 - Error handling fix
 - xgmi p2p fix
 - HWS VMIDs fix
 - Event fix
 
 panel:
 - ili9341: Fix optional regulator handling
 
 imx:
 - Catch an EDID allocation failure in imx-ldb
 - fix a leaked drm display mode on DT parsing error in parallel-display
 - properly remove the dw_hdmi bridge in case the component_add fails in dw_hdmi-imx
 - fix the IPU clock frequency debug printout in ipu-di.
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Merge tag 'drm-fixes-2022-04-08' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Main set of fixes for rc2, mostly amdgpu, but some dma-fence fixups as
  well, along with some other misc ones.

  dma-fence:
   - fix warning about fence containers
   - fix logic error in new fence merge code
   - handle empty dma_fence_arrays gracefully

  bridge:
   - Try all possible cases for bridge/panel detection.

  bindings:
   - Don't require input port for MIPI-DSI, and make width/height mandatory.

  fbdev:
   - Fix unregistering of framebuffers without device.

  nouveau:
   - Fix a crash when booting with nouveau on tegra.

  amdgpu:
   - GFX 10.3.7 fixes
   - noretry updates
   - VCN fixes
   - TMDS fix
   - zstate fix for freesync video
   - DCN 3.1.5 fix
   - Display stack size fix
   - Audio fix
   - DCN 3.1 pstate fix
   - TMZ VCN fix
   - APU passthrough fix
   - Misc other fixes
   - VCN 3.0 fixes
   - Misc display fixes
   - GC 10.3 golden register fix
   - Suspend fix
   - SMU 10 fix

  amdkfd:
   - Error handling fix
   - xgmi p2p fix
   - HWS VMIDs fix
   - Event fix

  panel:
   - ili9341: Fix optional regulator handling

  imx:
   - Catch an EDID allocation failure in imx-ldb
   - fix a leaked drm display mode on DT parsing error in parallel-display
   - properly remove the dw_hdmi bridge in case the component_add fails in dw_hdmi-imx
   - fix the IPU clock frequency debug printout in ipu-di"

* tag 'drm-fixes-2022-04-08' of git://anongit.freedesktop.org/drm/drm: (61 commits)
  dt-bindings: display: panel: mipi-dbi-spi: Make width-mm/height-mm mandatory
  fbdev: Fix unregistering of framebuffers without device
  drm/amdgpu/smu10: fix SoC/fclk units in auto mode
  drm/amd/display: update dcn315 clock table read
  drm/amdgpu/display: change pipe policy for DCN 2.1
  drm/amd/display: Add configuration options for AUX wake work around.
  drm/amd/display: remove assert for odm transition case
  drm/amdgpu: don't use BACO for reset in S3
  drm/amd/display: Fix by adding FPU protection for dcn30_internal_validate_bw
  drm/amdkfd: Create file descriptor after client is added to smi_clients list
  drm/amdgpu: Sync up header and implementation to use the same parameter names
  drm/amdgpu: fix incorrect GCR_GENERAL_CNTL address
  amd/display: set backlight only if required
  drm/amd/display: Fix allocate_mst_payload assert on resume
  drm/amd/display: Revert FEC check in validation
  drm/amd/display: Add work around for AUX failure on wake.
  drm/amd/display: Clear optc false state when disable otg
  drm/amd/display: Enable power gating before init_pipes
  drm/amd/display: Remove redundant dsc power gating from init_hw
  drm/amd/display: Correct Slice reset calculation
  ...
2022-04-07 19:27:39 -10:00
Linus Torvalds
73b193f265 Networking fixes for 5.18-rc2, including fixes from bpf and netfilter
Current release - new code bugs:
   - mctp: correct mctp_i2c_header_create result
 
   - eth: fungible: fix reference to __udivdi3 on 32b builds
 
   - eth: micrel: remove latencies support lan8814
 
 Previous releases - regressions:
   - bpf: resolve to prog->aux->dst_prog->type only for BPF_PROG_TYPE_EXT
 
   - vrf: fix packet sniffing for traffic originating from ip tunnels
 
   - rxrpc: fix a race in rxrpc_exit_net()
 
   - dsa: revert "net: dsa: stop updating master MTU from master.c"
 
   - eth: ice: fix MAC address setting
 
 Previous releases - always broken:
   - tls: fix slab-out-of-bounds bug in decrypt_internal
 
   - bpf: support dual-stack sockets in bpf_tcp_check_syncookie
 
   - xdp: fix coalescing for page_pool fragment recycling
 
   - ovs: fix leak of nested actions
 
   - eth: sfc:
     - add missing xdp queue reinitialization
     - fix using uninitialized xdp tx_queue
 
   - eth: ice:
     - clear default forwarding VSI during VSI release
     - fix broken IFF_ALLMULTI handling
     - synchronize_rcu() when terminating rings
 
   - eth: qede: confirm skb is allocated before using
 
   - eth: aqc111: fix out-of-bounds accesses in RX fixup
 
   - eth: slip: fix NPD bug in sl_tx_timeout()
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from bpf and netfilter.

  Current release - new code bugs:

   - mctp: correct mctp_i2c_header_create result

   - eth: fungible: fix reference to __udivdi3 on 32b builds

   - eth: micrel: remove latencies support lan8814

  Previous releases - regressions:

   - bpf: resolve to prog->aux->dst_prog->type only for BPF_PROG_TYPE_EXT

   - vrf: fix packet sniffing for traffic originating from ip tunnels

   - rxrpc: fix a race in rxrpc_exit_net()

   - dsa: revert "net: dsa: stop updating master MTU from master.c"

   - eth: ice: fix MAC address setting

  Previous releases - always broken:

   - tls: fix slab-out-of-bounds bug in decrypt_internal

   - bpf: support dual-stack sockets in bpf_tcp_check_syncookie

   - xdp: fix coalescing for page_pool fragment recycling

   - ovs: fix leak of nested actions

   - eth: sfc:
      - add missing xdp queue reinitialization
      - fix using uninitialized xdp tx_queue

   - eth: ice:
      - clear default forwarding VSI during VSI release
      - fix broken IFF_ALLMULTI handling
      - synchronize_rcu() when terminating rings

   - eth: qede: confirm skb is allocated before using

   - eth: aqc111: fix out-of-bounds accesses in RX fixup

   - eth: slip: fix NPD bug in sl_tx_timeout()"

* tag 'net-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (61 commits)
  drivers: net: slip: fix NPD bug in sl_tx_timeout()
  bpf: Adjust bpf_tcp_check_syncookie selftest to test dual-stack sockets
  bpf: Support dual-stack sockets in bpf_tcp_check_syncookie
  myri10ge: fix an incorrect free for skb in myri10ge_sw_tso
  net: usb: aqc111: Fix out-of-bounds accesses in RX fixup
  qede: confirm skb is allocated before using
  net: ipv6mr: fix unused variable warning with CONFIG_IPV6_PIMSM_V2=n
  net: phy: mscc-miim: reject clause 45 register accesses
  net: axiemac: use a phandle to reference pcs_phy
  dt-bindings: net: add pcs-handle attribute
  net: axienet: factor out phy_node in struct axienet_local
  net: axienet: setup mdio unconditionally
  net: sfc: fix using uninitialized xdp tx_queue
  rxrpc: fix a race in rxrpc_exit_net()
  net: openvswitch: fix leak of nested actions
  net: ethernet: mv643xx: Fix over zealous checking of_get_mac_address()
  net: openvswitch: don't send internal clone attribute to the userspace.
  net: micrel: Fix KS8851 Kconfig
  ice: clear cmd_type_offset_bsz for TX rings
  ice: xsk: fix VSI state check in ice_xsk_wakeup()
  ...
2022-04-07 19:01:47 -10:00
Marek Vasut
1ecc0c09f1 dt-bindings: display: panel: mipi-dbi-spi: Make width-mm/height-mm mandatory
Make the width-mm/height-mm panel properties mandatory
to correctly report the panel dimensions to the OS.

Fixes: 2f3468b82d ("dt-bindings: display: add bindings for MIPI DBI compatible SPI panels")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dmitry Osipenko <digetx@gmail.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Robert Foss <robert.foss@linaro.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: devicetree@vger.kernel.org
To: dri-devel@lists.freedesktop.org
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220404192105.12547-1-marex@denx.de
2022-04-07 03:28:10 +02:00
Andy Chiu
dc48f04fd6 dt-bindings: net: add pcs-handle attribute
Document the new pcs-handle attribute to support connecting to an
external PHY. For Xilinx's AXI Ethernet, this is used when the core
operates in SGMII or 1000Base-X modes and links through the internal
PCS/PMA PHY.

Signed-off-by: Andy Chiu <andy.chiu@sifive.com>
Reviewed-by: Greentime Hu <greentime.hu@sifive.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-04-06 13:54:51 +01:00
Maxime Ripard
13043d1a12
Merge drm-misc/drm-misc-next-fixes into drm-misc-fixes
There were a few patches left in drm-misc-next-fixes, let's bring them
into drm-misc-fixes.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2022-04-05 11:39:22 +02:00
Maxime Ripard
cf5c5763eb
Merge drm/drm-fixes into drm-misc-fixes
Let's start the 5.18 fixes cycle.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2022-04-05 11:37:03 +02:00
Maxime Ripard
8047f98c89
dt-bindings: display: bridge: Drop requirement on input port for DSI devices
MIPI-DSI devices, if they are controlled through the bus itself, have to
be described as a child node of the controller they are attached to.

Thus, there's no requirement on the controller having an OF-Graph output
port to model the data stream: it's assumed that it would go from the
parent to the child.

However, some bridges controlled through the DSI bus still require an
input OF-Graph port, thus requiring a controller with an OF-Graph output
port. This prevents those bridges from being used with the controllers
that do not have one without any particular reason to.

Let's drop that requirement.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220323154823.839469-1-maxime@cerno.tech
2022-04-05 09:52:14 +02:00
Daniel Latypov
02c7efa436 Documentation: kunit: fix path to .kunitconfig in start.rst
Commit ddbd60c779 ("kunit: use --build_dir=.kunit as default") changed
the default --build_dir, which had the side effect of making
`.kunitconfig` move to `.kunit/.kunitconfig`.

However, the first few lines of kunit/start.rst never got updated, oops.

Fix this by telling people to run kunit.py first, which will
automatically generate the .kunit directory and .kunitconfig file, and
then edit the file manually as desired.

Reported-by: Yifan Yuan <alpc_metic@live.com>
Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-04-04 12:02:44 -06:00
Horatiu Vultur
b117c88df0 dt-bindings: net: micrel: Revert latency support and timestamping check
Revert latency support from binding.
Based on the discussion[1], the DT is the wrong place to have the
lantecies for the PHY.

[1] https://lkml.org/lkml/2022/3/4/325

Fixes: 2358dd3fd3 ("dt-bindings: net: micrel: Configure latency values and timestamping check for LAN8814 phy")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-04-04 12:40:42 +01:00
Linus Torvalds
09bb8856d4 Updates to Tracing:
- Rename the staging files to give them some meaning.
   Just stage1,stag2,etc, does not show what they are for
 
 - Check for NULL from allocation in bootconfig
 
 - Hold event mutex for dyn_event call in user events
 
 - Mark user events to broken (to work on the API)
 
 - Remove eBPF updates from user events
 
 - Remove user events from uapi header to keep it from being installed.
 
 - Move ftrace_graph_is_dead() into inline as it is called from hot paths
   and also convert it into a static branch.
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Merge tag 'trace-v5.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull more tracing updates from Steven Rostedt:

 - Rename the staging files to give them some meaning. Just
   stage1,stag2,etc, does not show what they are for

 - Check for NULL from allocation in bootconfig

 - Hold event mutex for dyn_event call in user events

 - Mark user events to broken (to work on the API)

 - Remove eBPF updates from user events

 - Remove user events from uapi header to keep it from being installed.

 - Move ftrace_graph_is_dead() into inline as it is called from hot
   paths and also convert it into a static branch.

* tag 'trace-v5.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Move user_events.h temporarily out of include/uapi
  ftrace: Make ftrace_graph_is_dead() a static branch
  tracing: Set user_events to BROKEN
  tracing/user_events: Remove eBPF interfaces
  tracing/user_events: Hold event_mutex during dyn_event_add
  proc: bootconfig: Add null pointer check
  tracing: Rename the staging files for trace_events
2022-04-03 12:26:01 -07:00
Linus Torvalds
63d12cc305 second round of dma-mapping updates for 5.18
- fix a regression in dma remap handling vs AMD memory encryption (me)
  - finally kill off the legacy PCI DMA API (Christophe JAILLET)
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Merge tag 'dma-mapping-5.18-1' of git://git.infradead.org/users/hch/dma-mapping

Pull more dma-mapping updates from Christoph Hellwig:

 - fix a regression in dma remap handling vs AMD memory encryption (me)

 - finally kill off the legacy PCI DMA API (Christophe JAILLET)

* tag 'dma-mapping-5.18-1' of git://git.infradead.org/users/hch/dma-mapping:
  dma-mapping: move pgprot_decrypted out of dma_pgprot
  PCI/doc: cleanup references to the legacy PCI DMA API
  PCI: Remove the deprecated "pci-dma-compat.h" API
2022-04-03 10:31:00 -07:00
Bjorn Helgaas
5a48b7433a docs: net: dsa: fix minor grammar and punctuation issues
Fix a few typos and minor grammatical issues.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-04-03 13:06:11 +01:00
Linus Torvalds
38904911e8 * Only do MSR filtering for MSRs accessed by rdmsr/wrmsr
* Documentation improvements
 
 * Prevent module exit until all VMs are freed
 
 * PMU Virtualization fixes
 
 * Fix for kvm_irq_delivery_to_apic_fast() NULL-pointer dereferences
 
 * Other miscellaneous bugfixes
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:

 - Only do MSR filtering for MSRs accessed by rdmsr/wrmsr

 - Documentation improvements

 - Prevent module exit until all VMs are freed

 - PMU Virtualization fixes

 - Fix for kvm_irq_delivery_to_apic_fast() NULL-pointer dereferences

 - Other miscellaneous bugfixes

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (42 commits)
  KVM: x86: fix sending PV IPI
  KVM: x86/mmu: do compare-and-exchange of gPTE via the user address
  KVM: x86: Remove redundant vm_entry_controls_clearbit() call
  KVM: x86: cleanup enter_rmode()
  KVM: x86: SVM: fix tsc scaling when the host doesn't support it
  kvm: x86: SVM: remove unused defines
  KVM: x86: SVM: move tsc ratio definitions to svm.h
  KVM: x86: SVM: fix avic spec based definitions again
  KVM: MIPS: remove reference to trap&emulate virtualization
  KVM: x86: document limitations of MSR filtering
  KVM: x86: Only do MSR filtering when access MSR by rdmsr/wrmsr
  KVM: x86/emulator: Emulate RDPID only if it is enabled in guest
  KVM: x86/pmu: Fix and isolate TSX-specific performance event logic
  KVM: x86: mmu: trace kvm_mmu_set_spte after the new SPTE was set
  KVM: x86/svm: Clear reserved bits written to PerfEvtSeln MSRs
  KVM: x86: Trace all APICv inhibit changes and capture overall status
  KVM: x86: Add wrappers for setting/clearing APICv inhibits
  KVM: x86: Make APICv inhibit reasons an enum and cleanup naming
  KVM: X86: Handle implicit supervisor access with SMAP
  KVM: X86: Rename variable smap to not_smap in permission_fault()
  ...
2022-04-02 12:09:02 -07:00
Beau Belgrave
768c1e7f1d tracing/user_events: Remove eBPF interfaces
Remove eBPF interfaces within user_events to ensure they are fully
reviewed.

Link: https://lore.kernel.org/all/20220329165718.GA10381@kbox/
Link: https://lkml.kernel.org/r/20220329173051.10087-1-beaub@linux.microsoft.com

Suggested-by: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Signed-off-by: Beau Belgrave <beaub@linux.microsoft.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-04-02 08:40:09 -04:00
Paolo Bonzini
fe5f691413 KVM: MIPS: remove reference to trap&emulate virtualization
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220313140522.1307751-1-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-04-02 05:34:47 -04:00
Paolo Bonzini
ce2f72e26c KVM: x86: document limitations of MSR filtering
MSR filtering requires an exit to userspace that is hard to implement and
would be very slow in the case of nested VMX vmexit and vmentry MSR
accesses.  Document the limitation.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-04-02 05:34:47 -04:00
David Woodhouse
cf1d88b36b KVM: Remove dirty handling from gfn_to_pfn_cache completely
It isn't OK to cache the dirty status of a page in internal structures
for an indefinite period of time.

Any time a vCPU exits the run loop to userspace might be its last; the
VMM might do its final check of the dirty log, flush the last remaining
dirty pages to the destination and complete a live migration. If we
have internal 'dirty' state which doesn't get flushed until the vCPU
is finally destroyed on the source after migration is complete, then
we have lost data because that will escape the final copy.

This problem already exists with the use of kvm_vcpu_unmap() to mark
pages dirty in e.g. VMX nesting.

Note that the actual Linux MM already considers the page to be dirty
since we have a writeable mapping of it. This is just about the KVM
dirty logging.

For the nesting-style use cases (KVM_GUEST_USES_PFN) we will need to
track which gfn_to_pfn_caches have been used and explicitly mark the
corresponding pages dirty before returning to userspace. But we would
have needed external tracking of that anyway, rather than walking the
full list of GPCs to find those belonging to this vCPU which are dirty.

So let's rely *solely* on that external tracking, and keep it simple
rather than laying a tempting trap for callers to fall into.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220303154127.202856-3-dwmw2@infradead.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-04-02 05:34:41 -04:00
Sean Christopherson
df06dae3f2 KVM: Don't actually set a request when evicting vCPUs for GFN cache invd
Don't actually set a request bit in vcpu->requests when making a request
purely to force a vCPU to exit the guest.  Logging a request but not
actually consuming it would cause the vCPU to get stuck in an infinite
loop during KVM_RUN because KVM would see the pending request and bail
from VM-Enter to service the request.

Note, it's currently impossible for KVM to set KVM_REQ_GPC_INVALIDATE as
nothing in KVM is wired up to set guest_uses_pa=true.  But, it'd be all
too easy for arch code to introduce use of kvm_gfn_to_pfn_cache_init()
without implementing handling of the request, especially since getting
test coverage of MMU notifier interaction with specific KVM features
usually requires a directed test.

Opportunistically rename gfn_to_pfn_cache_invalidate_start()'s wake_vcpus
to evict_vcpus.  The purpose of the request is to get vCPUs out of guest
mode, it's supposed to _avoid_ waking vCPUs that are blocking.

Opportunistically rename KVM_REQ_GPC_INVALIDATE to be more specific as to
what it wants to accomplish, and to genericize the name so that it can
used for similar but unrelated scenarios, should they arise in the future.
Add a comment and documentation to explain why the "no action" request
exists.

Add compile-time assertions to help detect improper usage.  Use the inner
assertless helper in the one s390 path that makes requests without a
hardcoded request.

Cc: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220223165302.3205276-1-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-04-02 05:34:39 -04:00
Linus Torvalds
1fdff40702 A single RISC-V fix, ideally for 5.18-rc1
* Fix the RISC-V section of the generic CPU idle bindings to comply with
   the recently tightened DT schema.
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Merge tag 'riscv-for-linus-5.18-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fix from Palmer Dabbelt:

 - Fix the RISC-V section of the generic CPU idle bindings to comply
   with the recently tightened DT schema.

* tag 'riscv-for-linus-5.18-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  dt-bindings: Fix phandle-array issues in the idle-states bindings
2022-04-01 19:19:56 -07:00
Palmer Dabbelt
2524257bce
dt-bindings: Fix phandle-array issues in the idle-states bindings
As per 39bd2b6a37 ("dt-bindings: Improve phandle-array schemas"), the
phandle-array bindings have been disambiguated.  This fixes the new
RISC-V idle-states bindings to comply with the schema.

Fixes: 1bd524f7e8 ("dt-bindings: Add common bindings for ARM and RISC-V idle states")
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-04-01 15:09:50 -07:00
Linus Torvalds
7a3ecddc57 six ksmbd server fixes
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Merge tag '5.18-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd

Pull ksmbd updates from Steve French:

 - three cleanup fixes

 - shorten module load warning

 - two documentation fixes

* tag '5.18-rc-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
  ksmbd: replace usage of found with dedicated list iterator variable
  ksmbd: Remove a redundant zeroing of memory
  MAINTAINERS: ksmbd: switch Sergey to reviewer
  ksmbd: shorten experimental warning on loading the module
  ksmbd: use netif_is_bridge_port
  Documentation: ksmbd: update Feature Status table
2022-04-01 14:39:28 -07:00
Linus Torvalds
cda4351252 Filesystem/VFS changes for 5.18, part two
- Remove ->readpages infrastructure
  - Remove AOP_FLAG_CONT_EXPAND
  - Move read_descriptor_t to networking code
  - Pass the iocb to generic_perform_write
  - Minor updates to iomap, btrfs, ext4, f2fs, ntfs
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Merge tag 'folio-5.18d' of git://git.infradead.org/users/willy/pagecache

Pull more filesystem folio updates from Matthew Wilcox:
 "A mixture of odd changes that didn't quite make it into the original
  pull and fixes for things that did. Also the readpages changes had to
  wait for the NFS tree to be pulled first.

   - Remove ->readpages infrastructure

   - Remove AOP_FLAG_CONT_EXPAND

   - Move read_descriptor_t to networking code

   - Pass the iocb to generic_perform_write

   - Minor updates to iomap, btrfs, ext4, f2fs, ntfs"

* tag 'folio-5.18d' of git://git.infradead.org/users/willy/pagecache:
  btrfs: Remove a use of PAGE_SIZE in btrfs_invalidate_folio()
  ntfs: Correct mark_ntfs_record_dirty() folio conversion
  f2fs: Get the superblock from the mapping instead of the page
  f2fs: Correct f2fs_dirty_data_folio() conversion
  ext4: Correct ext4_journalled_dirty_folio() conversion
  filemap: Remove AOP_FLAG_CONT_EXPAND
  fs: Pass an iocb to generic_perform_write()
  fs, net: Move read_descriptor_t to net.h
  fs: Remove read_actor_t
  iomap: Simplify is_partially_uptodate a little
  readahead: Update comments
  mm: remove the skip_page argument to read_pages
  mm: remove the pages argument to read_pages
  fs: Remove ->readpages address space operation
  readahead: Remove read_cache_pages()
2022-04-01 13:50:50 -07:00
Linus Torvalds
5a3fe95d76 XArray update for 5.18:
- Documentation update
  - Fix test-suite build after move of bitmap.h
  - Fix xas_create_range() when a large entry is already present
  - Fix xas_split() of a shadow entry
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Merge tag 'xarray-5.18' of git://git.infradead.org/users/willy/xarray

Pull XArray updates from Matthew Wilcox:

 - Documentation update

 - Fix test-suite build after move of bitmap.h

 - Fix xas_create_range() when a large entry is already present

 - Fix xas_split() of a shadow entry

* tag 'xarray-5.18' of git://git.infradead.org/users/willy/xarray:
  XArray: Update the LRU list in xas_split()
  XArray: Fix xas_create_range() when multi-order entry present
  XArray: Include bitmap.h from xarray.h
  XArray: Document the locking requirement for the xa_state
2022-04-01 13:40:44 -07:00
Linus Torvalds
a3dfc532b8 RISC-V Patches for the 5.18 Merge Window, Part 2
This has a handful of new features
 
 * Support for CURRENT_STACK_POINTER, which enables some extra stack
   debugging for HARDENED_USERCOPY.
 * Support for the new SBI CPU idle extension, via cpuidle and suspend
   drivers.
 * Profiling has been enabled in the defconfigs.
 
 but is mostly fixes and cleanups.
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Merge tag 'riscv-for-linus-5.18-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull more RISC-V updates from Palmer Dabbelt:
 "This has a handful of new features:

   - Support for CURRENT_STACK_POINTER, which enables some extra stack
     debugging for HARDENED_USERCOPY.

   - Support for the new SBI CPU idle extension, via cpuidle and suspend
     drivers.

   - Profiling has been enabled in the defconfigs.

  but is mostly fixes and cleanups"

* tag 'riscv-for-linus-5.18-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (21 commits)
  RISC-V: K210 defconfigs: Drop redundant MEMBARRIER=n
  RISC-V: defconfig: Drop redundant SBI HVC and earlycon
  Documentation: riscv: remove non-existent directory from table of contents
  riscv: cpu.c: don't use kernel-doc markers for comments
  RISC-V: Enable profiling by default
  RISC-V: module: fix apply_r_riscv_rcv_branch_rela typo
  RISC-V: Declare per cpu boot data as static
  RISC-V: Fix a comment typo in riscv_of_parent_hartid()
  riscv: Increase stack size under KASAN
  riscv: Fix fill_callchain return value
  riscv: dts: canaan: Fix SPI3 bus width
  riscv: Rename "sp_in_global" to "current_stack_pointer"
  riscv module: remove (NOLOAD)
  RISC-V: Enable RISC-V SBI CPU Idle driver for QEMU virt machine
  dt-bindings: Add common bindings for ARM and RISC-V idle states
  cpuidle: Add RISC-V SBI CPU idle driver
  cpuidle: Factor-out power domain related code from PSCI domain driver
  RISC-V: Add SBI HSM suspend related defines
  RISC-V: Add arch functions for non-retentive suspend entry/exit
  RISC-V: Rename relocate() and make it global
  ...
2022-04-01 13:31:57 -07:00
Linus Torvalds
b012b3235c Merge branch 'akpm' (patches from Andrew)
Merge still more updates from Andrew Morton:
 "16 patches.

  Subsystems affected by this patch series: ofs2, nilfs2, mailmap, and
  mm (madvise, mlock, mfence, memory-failure, kasan, debug, kmemleak,
  and damon)"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  mm/damon: prevent activated scheme from sleeping by deactivated schemes
  mm/kmemleak: reset tag when compare object pointer
  doc/vm/page_owner.rst: remove content related to -c option
  tools/vm/page_owner_sort.c: remove -c option
  mm, kasan: fix __GFP_BITS_SHIFT definition breaking LOCKDEP
  mm,hwpoison: unmap poisoned page before invalidation
  mailmap: update Kirill's email
  mm: kfence: fix objcgs vector allocation
  mm/munlock: protect the per-CPU pagevec by a local_lock_t
  mm/munlock: update Documentation/vm/unevictable-lru.rst
  mm/munlock: add lru_add_drain() to fix memcg_stat_test
  nilfs2: get rid of nilfs_mapping_init()
  nilfs2: fix lockdep warnings during disk space reclamation
  nilfs2: fix lockdep warnings in page operations for btree nodes
  ocfs2: fix crash when mount with quota enabled
  Revert "mm: madvise: skip unmapped vma holes passed to process_madvise"
2022-04-01 12:08:34 -07:00
Yinan Zhang
c89b3ad2de doc/vm/page_owner.rst: remove content related to -c option
-c option has been removed from page_owner_sort.c.

Remove the usage of -c option from Documentation.

This work is coauthored by
        Shenghong Han
        Yixuan Cao
        Chongxi Zhao
        Jiajian Ye
        Yuhong Feng
        Yongqiang Liu

Link: https://lkml.kernel.org/r/20220326085920.1470081-2-zhangyinan2019@email.szu.edu.cn
Signed-off-by: Yinan Zhang <zhangyinan2019@email.szu.edu.cn>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Sean Anderson <seanga2@gmail.com>
Cc: Tang Bin <tangbin@cmss.chinamobile.com>
Cc: Zhenliang Wei <weizhenliang@huawei.com>
Cc: Georgi Djakov <georgi.djakov@linaro.org>
Cc: Chongxi Zhao <zhaochongxi2019@email.szu.edu.cn>
Cc: Jiajian Ye <yejiajian2018@email.szu.edu.cn>
Cc: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Cc: Yuhong Feng <yuhongf@szu.edu.cn>
Cc: Yongqiang Liu <liuyongqiang13@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-04-01 11:46:09 -07:00
Hugh Dickins
577e9846f8 mm/munlock: update Documentation/vm/unevictable-lru.rst
Update Documentation/vm/unevictable-lru.rst to reflect the changes made
by the mm/munlock series: keeping an mlock_count instead of page_mlock()
(formerly try_to_munlock()) and munlock_vma_pages_all() etc.  Also make
other little updates or cleanups wherever noticed.

But, I apologize, this is already out of date, in that "folio" appears
nowhere: 5.18 will be in a transitional state from "page" to "folio",
and documenting its current mix of the two does not help to understand
"the Unevictable LRU".  Should be revisited when naming is more settled.

Link: https://lkml.kernel.org/r/3753962-d491-bf60-f59f-51bfe84fd6a0@google.com
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: David Hildenbrand <david@redhat.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Yu Zhao <yuzhao@google.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: Shakeel Butt <shakeelb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-04-01 11:46:09 -07:00
Matthew Wilcox (Oracle)
704528d895 fs: Remove ->readpages address space operation
All filesystems have now been converted to use ->readahead, so
remove the ->readpages operation and fix all the comments that
used to refer to it.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
2022-04-01 13:45:33 -04:00
Linus Torvalds
aa240ee788 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:

 - a revert of a patch resetting extra buttons on touchpads claiming to
   be buttonpads as this caused regression on certain Dell devices

 - a new driver for Mediatek MT6779 keypad

 - a new driver for Imagis touchscreen

 - rework of Google/Chrome OS "Vivaldi" keyboard handling

 - assorted driver fixes.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (31 commits)
  Revert "Input: clear BTN_RIGHT/MIDDLE on buttonpads"
  Input: adi - remove redundant variable z
  Input: add Imagis touchscreen driver
  dt-bindings: input/touchscreen: bindings for Imagis
  Input: synaptics - enable InterTouch on ThinkPad T14/P14s Gen 1 AMD
  Input: stmfts - fix reference leak in stmfts_input_open
  Input: add bounds checking to input_set_capability()
  Input: iqs5xx - use local input_dev pointer
  HID: google: modify HID device groups of eel
  HID: google: Add support for vivaldi to hid-hammer
  HID: google: extract Vivaldi hid feature mapping for use in hid-hammer
  Input: extract ChromeOS vivaldi physmap show function
  HID: google: switch to devm when registering keyboard backlight LED
  Input: mt6779-keypad - fix signedness bug
  Input: mt6779-keypad - add MediaTek keypad driver
  dt-bindings: input: Add bindings for Mediatek matrix keypad
  Input: da9063 - use devm_delayed_work_autocancel()
  Input: goodix - fix race on driver unbind
  Input: goodix - use input_copy_abs() helper
  Input: add input_copy_abs() function
  ...
2022-04-01 10:14:32 -07:00
Linus Torvalds
6a34fdcca4 RTC for 5.18
Subsystem:
  - remove uie_unsupported, all users have been converted to clear
    RTC_FEATURE_UPDATE_INTERRUPT and provide a reason
  - RTCs with an alarm with a resolution of a minute are now letting the core
    handle rounding down the alarm time
  - fix use-after-free on device removal
 
 New driver:
  - OP-TEE RTC PTA
 
 Drivers:
  - sun6i: Add H616 support
  - cmos: Fix the AltCentury for AMD platforms
  - spear: set range
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Merge tag 'rtc-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "The bulk of the patches are about replacing the uie_unsupported struct
  rtc_device member by a feature bit.

  Subsystem:

   - remove uie_unsupported, all users have been converted to clear
     RTC_FEATURE_UPDATE_INTERRUPT and provide a reason

   - RTCs with an alarm with a resolution of a minute are now letting
     the core handle rounding down the alarm time

   - fix use-after-free on device removal

  New driver:

   - OP-TEE RTC PTA

  Drivers:

   - sun6i: Add H616 support

   - cmos: Fix the AltCentury for AMD platforms

   - spear: set range"

* tag 'rtc-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (56 commits)
  rtc: check if __rtc_read_time was successful
  rtc: gamecube: Fix refcount leak in gamecube_rtc_read_offset_from_sram
  rtc: mc146818-lib: Fix the AltCentury for AMD platforms
  rtc: optee: add RTC driver for OP-TEE RTC PTA
  rtc: pm8xxx: Return -ENODEV if set_time disallowed
  rtc: pm8xxx: Attach wake irq to device
  clk: sunxi-ng: sun6i-rtc: include clk/sunxi-ng.h
  rtc: remove uie_unsupported
  rtc: xgene: stop using uie_unsupported
  rtc: hym8563: switch to RTC_FEATURE_UPDATE_INTERRUPT
  rtc: hym8563: let the core handle the alarm resolution
  rtc: hym8563: switch to devm_rtc_allocate_device
  rtc: efi: switch to RTC_FEATURE_UPDATE_INTERRUPT
  rtc: efi: switch to devm_rtc_allocate_device
  rtc: add new RTC_FEATURE_ALARM_WAKEUP_ONLY feature
  rtc: spear: fix spear_rtc_read_time
  rtc: spear: drop uie_unsupported
  rtc: spear: set range
  rtc: spear: switch to devm_rtc_allocate_device
  rtc: pcf8563: switch to RTC_FEATURE_UPDATE_INTERRUPT
  ...
2022-04-01 09:37:18 -07:00
Bagas Sanjaya
8933e7f2e3
Documentation: riscv: remove non-existent directory from table of contents
This subdir no longer exists: it was there to document some of the
quirks and paths forward for handling them, but those have been dealt
with as of Atish's recent patch set.

Fixes: 23b1f18326 ("Documentation: riscv: Remove the old documentation")
Link: https://lore.kernel.org/linux-next/20220329133412.591d6882@canb.auug.org.au/
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
[Palmer: commit text]
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-03-31 16:18:56 -07:00
Linus Torvalds
e8b767f5e0 This pull request contains the following changes for UML:
- Devicetree support (for testing)
 - Various cleanups and fixes: UBD, port_user, uml_mconsole
 - Maintainer update
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Merge tag 'for-linus-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml

Pull UML updates from Richard Weinberger:

 - Devicetree support (for testing)

 - Various cleanups and fixes: UBD, port_user, uml_mconsole

 - Maintainer update

* tag 'for-linus-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
  um: run_helper: Write error message to kernel log on exec failure on host
  um: port_user: Improve error handling when port-helper is not found
  um: port_user: Allow setting path to port-helper using UML_PORT_HELPER envvar
  um: port_user: Search for in.telnetd in PATH
  um: clang: Strip out -mno-global-merge from USER_CFLAGS
  docs: UML: Mention telnetd for port channel
  um: Remove unused timeval_to_ns() function
  um: Fix uml_mconsole stop/go
  um: Cleanup syscall_handler_t definition/cast, fix warning
  uml: net: vector: fix const issue
  um: Fix WRITE_ZEROES in the UBD Driver
  um: Migrate vector drivers to NAPI
  um: Fix order of dtb unflatten/early init
  um: fix and optimize xor select template for CONFIG64 and timetravel mode
  um: Document dtb command line option
  lib/logic_iomem: correct fallback config references
  um: Remove duplicated include in syscalls_64.c
  MAINTAINERS: Update UserModeLinux entry
2022-03-31 16:16:58 -07:00
Linus Torvalds
f008b1d6e1 Netfs prep for write helpers
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Merge tag 'netfs-prep-20220318' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Pull netfs updates from David Howells:
 "Netfs prep for write helpers.

  Having had a go at implementing write helpers and content encryption
  support in netfslib, it seems that the netfs_read_{,sub}request
  structs and the equivalent write request structs were almost the same
  and so should be merged, thereby requiring only one set of
  alloc/get/put functions and a common set of tracepoints.

  Merging the structs also has the advantage that if a bounce buffer is
  added to the request struct, a read operation can be performed to fill
  the bounce buffer, the contents of the buffer can be modified and then
  a write operation can be performed on it to send the data wherever it
  needs to go using the same request structure all the way through. The
  I/O handlers would then transparently perform any required crypto.
  This should make it easier to perform RMW cycles if needed.

  The potentially common functions and structs, however, by their names
  all proclaim themselves to be associated with the read side of things.

  The bulk of these changes alter this in the following ways:

   - Rename struct netfs_read_{,sub}request to netfs_io_{,sub}request.

   - Rename some enums, members and flags to make them more appropriate.

   - Adjust some comments to match.

   - Drop "read"/"rreq" from the names of common functions. For
     instance, netfs_get_read_request() becomes netfs_get_request().

   - The ->init_rreq() and ->issue_op() methods become ->init_request()
     and ->issue_read(). I've kept the latter as a read-specific
     function and in another branch added an ->issue_write() method.

  The driver source is then reorganised into a number of files:

        fs/netfs/buffered_read.c        Create read reqs to the pagecache
        fs/netfs/io.c                   Dispatchers for read and write reqs
        fs/netfs/main.c                 Some general miscellaneous bits
        fs/netfs/objects.c              Alloc, get and put functions
        fs/netfs/stats.c                Optional procfs statistics.

  and future development can be fitted into this scheme, e.g.:

        fs/netfs/buffered_write.c       Modify the pagecache
        fs/netfs/buffered_flush.c       Writeback from the pagecache
        fs/netfs/direct_read.c          DIO read support
        fs/netfs/direct_write.c         DIO write support
        fs/netfs/unbuffered_write.c     Write modifications directly back

  Beyond the above changes, there are also some changes that affect how
  things work:

   - Make fscache_end_operation() generally available.

   - In the netfs tracing header, generate enums from the symbol ->
     string mapping tables rather than manually coding them.

   - Add a struct for filesystems that uses netfslib to put into their
     inode wrapper structs to hold extra state that netfslib is
     interested in, such as the fscache cookie. This allows netfslib
     functions to be set in filesystem operation tables and jumped to
     directly without having to have a filesystem wrapper.

   - Add a member to the struct added above to track the remote inode
     length as that may differ if local modifications are buffered. We
     may need to supply an appropriate EOF pointer when storing data (in
     AFS for example).

   - Pass extra information to netfs_alloc_request() so that the
     ->init_request() hook can access it and retain information to
     indicate the origin of the operation.

   - Make the ->init_request() hook return an error, thereby allowing a
     filesystem that isn't allowed to cache an inode (ceph or cifs, for
     example) to skip readahead.

   - Switch to using refcount_t for subrequests and add tracepoints to
     log refcount changes for the request and subrequest structs.

   - Add a function to consolidate dispatching a read request. Similar
     code is used in three places and another couple are likely to be
     added in the future"

Link: https://lore.kernel.org/all/2639515.1648483225@warthog.procyon.org.uk/

* tag 'netfs-prep-20220318' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
  afs: Maintain netfs_i_context::remote_i_size
  netfs: Keep track of the actual remote file size
  netfs: Split some core bits out into their own file
  netfs: Split fs/netfs/read_helper.c
  netfs: Rename read_helper.c to io.c
  netfs: Prepare to split read_helper.c
  netfs: Add a function to consolidate beginning a read
  netfs: Add a netfs inode context
  ceph: Make ceph_init_request() check caps on readahead
  netfs: Change ->init_request() to return an error code
  netfs: Refactor arguments for netfs_alloc_read_request
  netfs: Adjust the netfs_failure tracepoint to indicate non-subreq lines
  netfs: Trace refcounting on the netfs_io_subrequest struct
  netfs: Trace refcounting on the netfs_io_request struct
  netfs: Adjust the netfs_rreq tracepoint slightly
  netfs: Split netfs_io_* object handling out
  netfs: Finish off rename of netfs_read_request to netfs_io_request
  netfs: Rename netfs_read_*request to netfs_io_*request
  netfs: Generate enums from trace symbol mapping lists
  fscache: export fscache_end_operation()
2022-03-31 15:49:36 -07:00
Linus Torvalds
478f74a3d8 Random number generator fixes for Linux 5.18-rc1.
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Merge tag 'random-5.18-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random

Pull random number generator fixes from Jason Donenfeld:

 - If a hardware random number generator passes a sufficiently large
   chunk of entropy to random.c during early boot, we now skip the
   "fast_init" business and let it initialize the RNG.

   This makes CONFIG_RANDOM_TRUST_BOOTLOADER=y actually useful.

 - We already have the command line `random.trust_cpu=0/1` option for
   RDRAND, which let distros enable CONFIG_RANDOM_TRUST_CPU=y while
   placating concerns of more paranoid users.

   Now we add `random.trust_bootloader=0/1` so that distros can
   similarly enable CONFIG_RANDOM_TRUST_BOOTLOADER=y.

 - Re-add a comment that got removed by accident in the recent revert.

 - Add the spec-compliant ACPI CID for vmgenid, which Microsoft added to
   the vmgenid spec at Ard's request during earlier review.

 - Restore build-time randomness via the latent entropy plugin, which
   was lost when we transitioned to using a hash function.

* tag 'random-5.18-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
  random: mix build-time latent entropy into pool at init
  virt: vmgenid: recognize new CID added by Hyper-V
  random: re-add removed comment about get_random_{u32,u64} reseeding
  random: treat bootloader trust toggle the same way as cpu trust toggle
  random: skip fast_init if hwrng provides large chunk of entropy
2022-03-31 14:51:34 -07:00
Linus Torvalds
354b8bf222 linux-watchdog 5.18-rc1 tag
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Merge tag 'linux-watchdog-5.18-rc1' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog updates from Wim Van Sebroeck:

 - add support for BCM4908

 - renesas_wdt: add R-Car Gen4 support

 - improve watchdog_dev function documentation

 - sp5100_tco: replace the cd6h/cd7h port I/O with MMIO accesses during
   initialization

 - several other small improvements and fixes

* tag 'linux-watchdog-5.18-rc1' of git://www.linux-watchdog.org/linux-watchdog:
  Watchdog: sp5100_tco: Enable Family 17h+ CPUs
  Watchdog: sp5100_tco: Add initialization using EFCH MMIO
  Watchdog: sp5100_tco: Refactor MMIO base address initialization
  Watchdog: sp5100_tco: Move timer initialization into function
  watchdog: ixp4xx: Implement restart
  watchdog: orion_wdt: support pretimeout on Armada-XP
  watchdog: allow building BCM7038_WDT for BCM4908
  watchdog: renesas_wdt: Add R-Car Gen4 support
  dt-bindings: watchdog: renesas-wdt: Document r8a779f0 support
  watchdog: Improve watchdog_dev function documentation
  watchdog: aspeed: add nowayout support
  watchdog: rti-wdt: Add missing pm_runtime_disable() in probe function
  watchdog: imx2_wdg: Alow ping on suspend
2022-03-31 14:14:03 -07:00
Linus Torvalds
b4a5ea09b2 Some late-arriving documentation improvements. This is mostly build-system
fixes from Mauro and Akira; I also took the liberty of dropping in my
 "messy diffstat" document.
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Merge tag 'docs-5.18-2' of git://git.lwn.net/linux

Pull more documentation updates from Jonathan Corbet:
 "Some late-arriving documentation improvements.

  This is mostly build-system fixes from Mauro and Akira; I also took
  the liberty of dropping in my 'messy diffstat' document"

* tag 'docs-5.18-2' of git://git.lwn.net/linux:
  docs: Add a document on how to fix a messy diffstat
  docs: sphinx/requirements: Limit jinja2<3.1
  Documentation: kunit: Fix cross-referencing warnings
  scripts/kernel-doc: change the line number meta info
  scripts/get_abi: change the file/line number meta info
  docs: kernel_include.py: add sphinx build dependencies
  docs: kernel_abi.py: add sphinx build dependencies
  docs: kernel_feat.py: add build dependencies
  scripts/get_feat.pl: allow output the parsed file names
  docs: kfigure.py: Don't warn of missing PDF converter in 'make htmldocs'
  Documentation: Fix duplicate statement about raw_spinlock_t type
2022-03-31 12:10:42 -07:00
Linus Torvalds
b8321ed4a4 Kbuild updates for v5.18
- Add new environment variables, USERCFLAGS and USERLDFLAGS to allow
    additional flags to be passed to user-space programs.
 
  - Fix missing fflush() bugs in Kconfig and fixdep
 
  - Fix a minor bug in the comment format of the .config file
 
  - Make kallsyms ignore llvm's local labels, .L*
 
  - Fix UAPI compile-test for cross-compiling with Clang
 
  - Extend the LLVM= syntax to support LLVM=<suffix> form for using a
    particular version of LLVm, and LLVM=<prefix> form for using custom
    LLVM in a particular directory path.
 
  - Clean up Makefiles
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Merge tag 'kbuild-v5.18-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Add new environment variables, USERCFLAGS and USERLDFLAGS to allow
   additional flags to be passed to user-space programs.

 - Fix missing fflush() bugs in Kconfig and fixdep

 - Fix a minor bug in the comment format of the .config file

 - Make kallsyms ignore llvm's local labels, .L*

 - Fix UAPI compile-test for cross-compiling with Clang

 - Extend the LLVM= syntax to support LLVM=<suffix> form for using a
   particular version of LLVm, and LLVM=<prefix> form for using custom
   LLVM in a particular directory path.

 - Clean up Makefiles

* tag 'kbuild-v5.18-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: Make $(LLVM) more flexible
  kbuild: add --target to correctly cross-compile UAPI headers with Clang
  fixdep: use fflush() and ferror() to ensure successful write to files
  arch: syscalls: simplify uapi/kapi directory creation
  usr/include: replace extra-y with always-y
  certs: simplify empty certs creation in certs/Makefile
  certs: include certs/signing_key.x509 unconditionally
  kallsyms: ignore all local labels prefixed by '.L'
  kconfig: fix missing '# end of' for empty menu
  kconfig: add fflush() before ferror() check
  kbuild: replace $(if A,A,B) with $(or A,B)
  kbuild: Add environment variables for userprogs flags
  kbuild: unify cmd_copy and cmd_shipped
2022-03-31 11:59:03 -07:00
Linus Torvalds
2975dbdc39 Networking fixes for 5.18-rc1 and rethook patches.
Features:
 
  - kprobes: rethook: x86: replace kretprobe trampoline with rethook
 
 Current release - regressions:
 
  - sfc: avoid null-deref on systems without NUMA awareness
    in the new queue sizing code
 
 Current release - new code bugs:
 
  - vxlan: do not feed vxlan_vnifilter_dump_dev with non-vxlan devices
 
  - eth: lan966x: fix null-deref on PHY pointer in timestamp ioctl
    when interface is down
 
 Previous releases - always broken:
 
  - openvswitch: correct neighbor discovery target mask field
    in the flow dump
 
  - wireguard: ignore v6 endpoints when ipv6 is disabled and fix a leak
 
  - rxrpc: fix call timer start racing with call destruction
 
  - rxrpc: fix null-deref when security type is rxrpc_no_security
 
  - can: fix UAF bugs around echo skbs in multiple drivers
 
 Misc:
 
  - docs: move netdev-FAQ to the "process" section of the documentation
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull more networking updates from Jakub Kicinski:
 "Networking fixes and rethook patches.

  Features:

   - kprobes: rethook: x86: replace kretprobe trampoline with rethook

  Current release - regressions:

   - sfc: avoid null-deref on systems without NUMA awareness in the new
     queue sizing code

  Current release - new code bugs:

   - vxlan: do not feed vxlan_vnifilter_dump_dev with non-vxlan devices

   - eth: lan966x: fix null-deref on PHY pointer in timestamp ioctl when
     interface is down

  Previous releases - always broken:

   - openvswitch: correct neighbor discovery target mask field in the
     flow dump

   - wireguard: ignore v6 endpoints when ipv6 is disabled and fix a leak

   - rxrpc: fix call timer start racing with call destruction

   - rxrpc: fix null-deref when security type is rxrpc_no_security

   - can: fix UAF bugs around echo skbs in multiple drivers

  Misc:

   - docs: move netdev-FAQ to the 'process' section of the
     documentation"

* tag 'net-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (57 commits)
  vxlan: do not feed vxlan_vnifilter_dump_dev with non vxlan devices
  openvswitch: Add recirc_id to recirc warning
  rxrpc: fix some null-ptr-deref bugs in server_key.c
  rxrpc: Fix call timer start racing with call destruction
  net: hns3: fix software vlan talbe of vlan 0 inconsistent with hardware
  net: hns3: fix the concurrency between functions reading debugfs
  docs: netdev: move the netdev-FAQ to the process pages
  docs: netdev: broaden the new vs old code formatting guidelines
  docs: netdev: call out the merge window in tag checking
  docs: netdev: add missing back ticks
  docs: netdev: make the testing requirement more stringent
  docs: netdev: add a question about re-posting frequency
  docs: netdev: rephrase the 'should I update patchwork' question
  docs: netdev: rephrase the 'Under review' question
  docs: netdev: shorten the name and mention msgid for patch status
  docs: netdev: note that RFC postings are allowed any time
  docs: netdev: turn the net-next closed into a Warning
  docs: netdev: move the patch marking section up
  docs: netdev: minor reword
  docs: netdev: replace references to old archives
  ...
2022-03-31 11:23:31 -07:00
Jakub Kicinski
8df0136376 docs: netdev: move the netdev-FAQ to the process pages
The documentation for the tip tree is really in quite a similar
spirit to the netdev-FAQ. Move the netdev-FAQ to the process docs
as well.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-31 10:49:39 +02:00
Jakub Kicinski
08767a26f0 docs: netdev: broaden the new vs old code formatting guidelines
Convert the "should I use new or old comment formatting" to cover
all formatting. This makes the question itself shorter.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-31 10:49:39 +02:00
Jakub Kicinski
99eba4e5cb docs: netdev: call out the merge window in tag checking
Add the most important case to the question about "where are we
in the cycle" - the case of net-next being closed.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-31 10:49:39 +02:00
Jakub Kicinski
a300597318 docs: netdev: add missing back ticks
I think double back ticks are more correct. Add where they are missing.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-31 10:49:39 +02:00
Jakub Kicinski
3eca381457 docs: netdev: make the testing requirement more stringent
These days we often ask for selftests so let's update our
testing requirements.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-31 10:49:39 +02:00
Jakub Kicinski
b8ba106378 docs: netdev: add a question about re-posting frequency
We have to tell people to stop reposting to often lately,
or not to repost while the discussion is ongoing.
Document this.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-31 10:49:39 +02:00
Jakub Kicinski
724c1a7443 docs: netdev: rephrase the 'should I update patchwork' question
Make the question shorter and adjust the start of the answer accordingly.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-31 10:49:38 +02:00
Jakub Kicinski
8f785c1bb8 docs: netdev: rephrase the 'Under review' question
The semantics of "Under review" have shifted. Reword the question
about it a bit and focus it on the response time.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-31 10:49:38 +02:00
Jakub Kicinski
5d84921ac7 docs: netdev: shorten the name and mention msgid for patch status
Cut down the length of the question so it renders better in docs.
Mention that Message-ID can be used to search patchwork.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-03-31 10:49:38 +02:00