Add support for parsing the Group Entity properties from DisCo/ACPI.
Group Entities allow control of several other Entities, typically
Selector Units, from a single control.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20250312172205.4152686-7-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
SDCA Ranges are two dimensional arrays of data associated with controls,
add a helper to provide an x,y access mechanism to the data and a helper
to locate a specific value inside a range.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20250312172205.4152686-6-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
SDCA Controls come in a variety of data formats, to simplify later
parsing work out this data type as the control is parsed and stash it
for later use.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20250312172205.4152686-5-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
New register has been introduced with PTL in the vendor specific SHIM
registers, outside of the IPs itself for microphone privacy status handling.
Via the PVCCS register the current microphone privacy status can be checked
and the interrupt generation on status change can be enabled/disabled.
The status change interrupt is routed to the owner of the interface
(DSP/host).
The PVCCS is provided for each sublink under the IP to make it possible to
control the interrupt generation per sublink.
On status change the MDSTSCHG bit needs to be cleared for all sublink of
the interface to be able to detect future changes in privacy.
The status bit (MDSTS) is volatile in all PVCCS register, it reflects the
current state of the GPIO signal.
Microphone privacy is a hardware feature (if enabled and configured that
way), the host has only passive, monitoring role.
The added functions are generic to be future proof if the mic privacy
support is extended beyond Soundwire and DMIC links.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://patch.msgid.link/20250307112816.1495-7-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ACE3 (Panther Lake) introduced support for microphone privacy feature which
can - in hardware - mute incoming audio data based on a state of a physical
switch.
The change in the privacy state is delivered through interface IP blocks
and can only be handled by the link owner.
In Intel platforms Soundwire is for example host owned, so the interrupt
can only be handled by the host.
Since the input stream is going to be muted by hardware, the host needs to
send a message to firmware about the change in privacy so it can execute a
fade out/in to enhance user experience.
The support for microphone privacy can be queried from the HW_CONFIG data
under the INTEL_MIC_PRIVACY_CAP tuple. This is Intel specific data, the
core will pass it to platform code if the intel_configure_mic_privacy()
callback is provided.
Platform code can call sof_ipc4_mic_privacy_state_change() to send the IPC
message to the firmware on state change.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://patch.msgid.link/20250307112816.1495-6-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This reverts commit 9bdd10d57a ("ASoC: ops: Shift tested values in
snd_soc_put_volsw() by +min"), and makes some additional related
updates.
There are two ways the platform_max could be interpreted; the maximum
register value, or the maximum value the control can be set to. The
patch moved from treating the value as a control value to a register
one. When the patch was applied it was technically correct as
snd_soc_limit_volume() also used the register interpretation. However,
even then most of the other usages treated platform_max as a
control value, and snd_soc_limit_volume() has since been updated to
also do so in commit fb9ad24485 ("ASoC: ops: add correct range
check for limiting volume"). That patch however, missed updating
snd_soc_put_volsw() back to the control interpretation, and fixing
snd_soc_info_volsw_range(). The control interpretation makes more
sense as limiting is typically done from the machine driver, so it is
appropriate to use the customer facing representation rather than the
internal codec representation. Update all the code to consistently use
this interpretation of platform_max.
Finally, also add some comments to the soc_mixer_control struct to
hopefully avoid further patches switching between the two approaches.
Fixes: fb9ad24485 ("ASoC: ops: add correct range check for limiting volume")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20250228151456.3703342-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Re-implement SOC_DOUBLE_VALUE() in terms of SOC_DOUBLE_S_VALUE().
SOC_DOUBLE_S_VALUE() already had a minimum value so add this to
SOC_DOUBLE_VALUE as well, this allows replacement of several hard coded
value entries. Likewise update SOC_SINGLE_VALUE to match, which allows
replacement of even more hard coded values.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20250304140500.976127-14-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Merge series from Charles Keepax <ckeepax@opensource.cirrus.com>:
Tidy up the ASoC control value macros. Fix some drivers that should be
using core macros that aren't, combine the existing core macros to be
a little more consistent in style, and update the core macros to use
each other where possible.
Re-implement SOC_DOUBLE_R_VALUE() in terms of SOC_DOUBLE_R_S_VALUE().
SOC_DOUBLE_R_S_VALUE() already had a minimum value so add this to
SOC_DOUBLE_R_VALUE() as well, which makes SOC_DOUBLE_R_RANGE_VALUE()
redundant, so its usage is replaced.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20250303171424.444556-13-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Update the DAPM kcontrol creation macros to use the ASoC macros where a
helpful version exists. One minor fixup is required in adau17x1, the
compiler doesn't like the extra level of macro indirection coupled with
the inline struct definition. Make the struct definition explicit.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20250303171424.444556-12-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
- Fix a sporadic boot failure due to incorrect randomization of the
linear map on systems that support it
- Fix the zapping (both clearing the entries *and* invalidating the TLB)
of hugetlb PTEs constructed using the contiguous bit
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Ryan's been hard at work finding and fixing mm bugs in the arm64 code,
so here's a small crop of fixes for -rc5.
The main changes are to fix our zapping of non-present PTEs for
hugetlb entries created using the contiguous bit in the page-table
rather than a block entry at the level above. Prior to these fixes, we
were pulling the contiguous bit back out of the PTE in order to
determine the size of the hugetlb page but this is clearly bogus if
the thing isn't present and consequently both the clearing of the
PTE(s) and the TLB invalidation were unreliable.
Although the problem was found by code inspection, we really don't
want this sitting around waiting to trigger and the changes are CC'd
to stable accordingly.
Note that the diffstat looks a lot worse than it really is;
huge_ptep_get_and_clear() now takes a size argument from the core code
and so all the arch implementations of that have been updated in a
pretty mechanical fashion.
- Fix a sporadic boot failure due to incorrect randomization of the
linear map on systems that support it
- Fix the zapping (both clearing the entries *and* invalidating the
TLB) of hugetlb PTEs constructed using the contiguous bit"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: hugetlb: Fix flush_hugetlb_tlb_range() invalidation level
arm64: hugetlb: Fix huge_ptep_get_and_clear() for non-present ptes
mm: hugetlb: Add huge page size param to huge_ptep_get_and_clear()
arm64/mm: Fix Boot panic on Ampere Altra
* Fix TCR_EL2 configuration to not use the ASID in TTBR1_EL2
and not mess-up T1SZ/PS by using the HCR_EL2.E2H==0 layout.
* Bring back the VMID allocation to the vcpu_load phase, ensuring
that we only setup VTTBR_EL2 once on VHE. This cures an ugly
race that would lead to running with an unallocated VMID.
RISC-V:
* Fix hart status check in SBI HSM extension
* Fix hart suspend_type usage in SBI HSM extension
* Fix error returned by SBI IPI and TIME extensions for
unsupported function IDs
* Fix suspend_type usage in SBI SUSP extension
* Remove unnecessary vcpu kick after injecting interrupt
via IMSIC guest file
x86:
* Fix an nVMX bug where KVM fails to detect that, after nested
VM-Exit, L1 has a pending IRQ (or NMI).
* To avoid freeing the PIC while vCPUs are still around, which
would cause a NULL pointer access with the previous patch,
destroy vCPUs before any VM-level destruction.
* Handle failures to create vhost_tasks
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Fix TCR_EL2 configuration to not use the ASID in TTBR1_EL2 and not
mess-up T1SZ/PS by using the HCR_EL2.E2H==0 layout.
- Bring back the VMID allocation to the vcpu_load phase, ensuring
that we only setup VTTBR_EL2 once on VHE. This cures an ugly race
that would lead to running with an unallocated VMID.
RISC-V:
- Fix hart status check in SBI HSM extension
- Fix hart suspend_type usage in SBI HSM extension
- Fix error returned by SBI IPI and TIME extensions for unsupported
function IDs
- Fix suspend_type usage in SBI SUSP extension
- Remove unnecessary vcpu kick after injecting interrupt via IMSIC
guest file
x86:
- Fix an nVMX bug where KVM fails to detect that, after nested
VM-Exit, L1 has a pending IRQ (or NMI).
- To avoid freeing the PIC while vCPUs are still around, which would
cause a NULL pointer access with the previous patch, destroy vCPUs
before any VM-level destruction.
- Handle failures to create vhost_tasks"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
kvm: retry nx_huge_page_recovery_thread creation
vhost: return task creation error instead of NULL
KVM: nVMX: Process events on nested VM-Exit if injectable IRQ or NMI is pending
KVM: x86: Free vCPUs before freeing VM state
riscv: KVM: Remove unnecessary vcpu kick
KVM: arm64: Ensure a VMID is allocated before programming VTTBR_EL2
KVM: arm64: Fix tcr_el2 initialisation in hVHE mode
riscv: KVM: Fix SBI sleep_type use
riscv: KVM: Fix SBI TIME error generation
riscv: KVM: Fix SBI IPI error generation
riscv: KVM: Fix hart suspend_type use
riscv: KVM: Fix hart suspend status check
A VMM may send a non-fatal signal to its threads, including vCPU tasks,
at any time, and thus may signal vCPU tasks during KVM_RUN. If a vCPU
task receives the signal while its trying to spawn the huge page recovery
vhost task, then KVM_RUN will fail due to copy_process() returning
-ERESTARTNOINTR.
Rework call_once() to mark the call complete if and only if the called
function succeeds, and plumb the function's true error code back to the
call_once() invoker. This provides userspace with the correct, non-fatal
error code so that the VMM doesn't terminate the VM on -ENOMEM, and allows
subsequent KVM_RUN a succeed by virtue of retrying creation of the NX huge
page task.
Co-developed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
[implemented the kvm user side]
Signed-off-by: Keith Busch <kbusch@kernel.org>
Message-ID: <20250227230631.303431-3-kbusch@meta.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
build warnings that happens on PIE-enabled architectures
such as LoongArch.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-urgent-2025-02-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fixes from Ingo Molnar:
"Fix an objtool false positive, and objtool related build warnings that
happens on PIE-enabled architectures such as LoongArch"
* tag 'objtool-urgent-2025-02-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Add bch2_trans_unlocked_or_in_restart_error() to bcachefs noreturns
objtool: Fix C jump table annotations for Clang
vmlinux.lds: Ensure that const vars with relocations are mapped R/O
In order to fix a bug, arm64 needs to be told the size of the huge page
for which the huge_pte is being cleared in huge_ptep_get_and_clear().
Provide for this by adding an `unsigned long sz` parameter to the
function. This follows the same pattern as huge_pte_clear() and
set_huge_pte_at().
This commit makes the required interface modifications to the core mm as
well as all arches that implement this function (arm64, loongarch, mips,
parisc, powerpc, riscv, s390, sparc). The actual arm64 bug will be fixed
in a separate commit.
Cc: stable@vger.kernel.org
Fixes: 66b3923a1a ("arm64: hugetlb: add support for PTE contiguous bit")
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com> # riscv
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Ryan Roberts <ryan.roberts@arm.com>
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com> # s390
Link: https://lore.kernel.org/r/20250226120656.2400136-2-ryan.roberts@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
this week, so next week's PR is probably going to be bigger. A healthy
dose of fixes for bugs introduced in the current release nonetheless.
Current release - regressions:
- Bluetooth: always allow SCO packets for user channel
- af_unix: fix memory leak in unix_dgram_sendmsg()
- rxrpc:
- remove redundant peer->mtu_lock causing lockdep splats
- fix spinlock flavor issues with the peer record hash
- eth: iavf: fix circular lock dependency with netdev_lock
- net: use rtnl_net_dev_lock() in register_netdevice_notifier_dev_net()
RDMA driver register notifier after the device
Current release - new code bugs:
- ethtool: fix ioctl confusing drivers about desired HDS user config
- eth: ixgbe: fix media cage present detection for E610 device
Previous releases - regressions:
- loopback: avoid sending IP packets without an Ethernet header
- mptcp: reset connection when MPTCP opts are dropped after join
Previous releases - always broken:
- net: better track kernel sockets lifetime
- ipv6: fix dst ref loop on input in seg6 and rpl lw tunnels
- phy: qca807x: use right value from DTS for DAC_DSP_BIAS_CURRENT
- eth: enetc: number of error handling fixes
- dsa: rtl8366rb: reshuffle the code to fix config / build issue
with LED support
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth.
We didn't get netfilter or wireless PRs this week, so next week's PR
is probably going to be bigger. A healthy dose of fixes for bugs
introduced in the current release nonetheless.
Current release - regressions:
- Bluetooth: always allow SCO packets for user channel
- af_unix: fix memory leak in unix_dgram_sendmsg()
- rxrpc:
- remove redundant peer->mtu_lock causing lockdep splats
- fix spinlock flavor issues with the peer record hash
- eth: iavf: fix circular lock dependency with netdev_lock
- net: use rtnl_net_dev_lock() in
register_netdevice_notifier_dev_net() RDMA driver register notifier
after the device
Current release - new code bugs:
- ethtool: fix ioctl confusing drivers about desired HDS user config
- eth: ixgbe: fix media cage present detection for E610 device
Previous releases - regressions:
- loopback: avoid sending IP packets without an Ethernet header
- mptcp: reset connection when MPTCP opts are dropped after join
Previous releases - always broken:
- net: better track kernel sockets lifetime
- ipv6: fix dst ref loop on input in seg6 and rpl lw tunnels
- phy: qca807x: use right value from DTS for DAC_DSP_BIAS_CURRENT
- eth: enetc: number of error handling fixes
- dsa: rtl8366rb: reshuffle the code to fix config / build issue with
LED support"
* tag 'net-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (53 commits)
net: ti: icss-iep: Reject perout generation request
idpf: fix checksums set in idpf_rx_rsc()
selftests: drv-net: Check if combined-count exists
net: ipv6: fix dst ref loop on input in rpl lwt
net: ipv6: fix dst ref loop on input in seg6 lwt
usbnet: gl620a: fix endpoint checking in genelink_bind()
net/mlx5: IRQ, Fix null string in debug print
net/mlx5: Restore missing trace event when enabling vport QoS
net/mlx5: Fix vport QoS cleanup on error
net: mvpp2: cls: Fixed Non IP flow, with vlan tag flow defination.
af_unix: Fix memory leak in unix_dgram_sendmsg()
net: Handle napi_schedule() calls from non-interrupt
net: Clear old fragment checksum value in napi_reuse_skb
gve: unlink old napi when stopping a queue using queue API
net: Use rtnl_net_dev_lock() in register_netdevice_notifier_dev_net().
tcp: Defer ts_recent changes until req is owned
net: enetc: fix the off-by-one issue in enetc_map_tx_tso_buffs()
net: enetc: remove the mm_lock from the ENETC v4 driver
net: enetc: add missing enetc4_link_deinit()
net: enetc: update UDP checksum when updating originTimestamp field
...
A collection of fixes. The only slightly large change is for ASoC
Cirrus codec, but that's still in a normal range.
All the rest are small device-specific fixes and should be fairly
safe to take.
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Merge tag 'sound-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of fixes. The only slightly large change is for ASoC
Cirrus codec, but that's still in a normal range. All the rest are
small device-specific fixes and should be fairly safe to take"
* tag 'sound-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek: Fix microphone regression on ASUS N705UD
ALSA: hda/realtek: Fix wrong mic setup for ASUS VivoBook 15
ASoC: cs35l56: Prevent races when soft-resetting using SPI control
firmware: cs_dsp: Remove async regmap writes
ASoC: Intel: sof_sdw: warn both sdw and pch dmic are used
ASoC: SOF: Intel: don't check number of sdw links when set dmic_fixup
ASoC: dapm-graph: set fill colour of turned on nodes
ASoC: fsl: Rename stream name of SAI DAI driver
ASoC: es8328: fix route from DAC to output
ALSA: usb-audio: Re-add sample rate quirk for Pioneer DJM-900NXS2
ASoC: tas2764: Set the SDOUT polarity correctly
ASoC: tas2764: Fix power control mask
ALSA: usb-audio: Avoid dropping MIDI events at closing multiple ports
ASoC: tas2770: Fix volume scale
The concept of an SDCA default value differs slightly from the regmap
usage of the term. An SDCA default is a value that is parsed from DisCo
and then written out to the hardware if no user value has superceded
it. Add a helper function that will iterate through all the SDCA
Controls and write out any default values. After these have been written
out once they will exist in the cache and that will take care of any
user values superceeding them. The code here also writes out any
Controls with a fixed value as there is only one available value for
these Controls there is no point in allowing the user to select them,
simply treat them similarly to a default.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
Link: https://patch.msgid.link/20250217140159.2288784-5-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add helpers to parse the DisCo Constant values from ACPI and populate an
array of reg_defaults with these. This will allow drivers to access
these ACPI specified values through the same interface as other
registers that are physically present on the device, using the regmap
cache.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
Link: https://patch.msgid.link/20250217140159.2288784-4-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add helper functions that SDCA drivers can use to calculate the
properties of SDCA Controls (registers) specified through DisCo.
Most of these are fairly obvious from the SDCA Access Modes.
DisCo Constants, values which are specified in the ACPI rather than on
the device, are handled as unreadable and unwritable registers. The
intention is these will be populated in the register defaults table
allowing drivers to read them normally. This means the drivers can be
agnostic as to which values are DisCo Constants.
Finally, support for SDCA Dual Ranked Controls is currently limited
here, at the moment the current value will be used directly. Writing
the current value directly is valid as per the specification
although the synchronicity of updates across multiple registers is
lost. Support for this will probably need to be added later. But its a
fairly hard problem and doesn't need to be solved immediately.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
Link: https://patch.msgid.link/20250217140159.2288784-3-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The defaults array in regcache must be sorted into ascending register
address order, because binary search is used to locate values in
the array. Add a helper to sort the register defaults array which
can be useful for systems that dynamically create a defaults array
based on external information.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
Link: https://patch.msgid.link/20250217140159.2288784-2-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Stable Fixes:
* O_DIRECT writes should adjust file length
Other Bugfixes:
* Adjust delegated timestamps for O_DIRECT reads and writes
* Prevent looping due to rpc_signal_task() races
* Fix a deadlock when recovering state on a sillyrenamed file
* Properly handle -ETIMEDOUT errors from tlshd
* Suppress build warnings for unused procfs functions
* Fix memory leak of lsm_contexts
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Merge tag 'nfs-for-6.14-2' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client fixes from Anna Schumaker:
"Stable Fixes:
- O_DIRECT writes should adjust file length
Other Bugfixes:
- Adjust delegated timestamps for O_DIRECT reads and writes
- Prevent looping due to rpc_signal_task() races
- Fix a deadlock when recovering state on a sillyrenamed file
- Properly handle -ETIMEDOUT errors from tlshd
- Suppress build warnings for unused procfs functions
- Fix memory leak of lsm_contexts"
* tag 'nfs-for-6.14-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
lsm,nfs: fix memory leak of lsm_context
sunrpc: suppress warnings for unused procfs functions
SUNRPC: Handle -ETIMEDOUT return from tlshd
NFSv4: Fix a deadlock when recovering state on a sillyrenamed file
SUNRPC: Prevent looping due to rpc_signal_task() races
NFS: Adjust delegated timestamps for O_DIRECT reads and writes
NFS: O_DIRECT writes must check and adjust the file length
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Merge tag 'landlock-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull landlock fixes from Mickaël Salaün:
"Fixes to TCP socket identification, documentation, and tests"
* tag 'landlock-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
selftests/landlock: Add binaries to .gitignore
selftests/landlock: Test that MPTCP actions are not restricted
selftests/landlock: Test TCP accesses with protocol=IPPROTO_TCP
landlock: Fix non-TCP sockets restriction
landlock: Minor typo and grammar fixes in IPC scoping documentation
landlock: Fix grammar error
selftests/landlock: Enable the new CONFIG_AF_UNIX_OOB
Do some clean up for some define in header file.
Like change lower case in value, up case in define,
space add in recommends, change date of files and add author.
Signed-off-by: Baojun Xu <baojun.xu@ti.com>
Link: https://patch.msgid.link/20250226144328.11645-1-baojun.xu@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
More driver specific fixes, the firmware change is part of fixing the
race conditions in the Cirrus driver.
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Merge tag 'asoc-fix-v6.14-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.14
More driver specific fixes, the firmware change is part of fixing the
race conditions in the Cirrus driver.
For devices that natively support zone append operations,
REQ_OP_ZONE_APPEND BIOs are not processed through zone write plugging
and are immediately issued to the zoned device. This means that there is
no write pointer offset tracking done for these operations and that a
zone write plug is not necessary.
However, when receiving a zone append BIO, we may already have a zone
write plug for the target zone if that zone was previously partially
written using regular write operations. In such case, since the write
pointer offset of the zone write plug is not incremented by the amount
of sectors appended to the zone, 2 issues arise:
1) we risk leaving the plug in the disk hash table if the zone is fully
written using zone append or regular write operations, because the
write pointer offset will never reach the "zone full" state.
2) Regular write operations that are issued after zone append operations
will always be failed by blk_zone_wplug_prepare_bio() as the write
pointer alignment check will fail, even if the user correctly
accounted for the zone append operations and issued the regular
writes with a correct sector.
Avoid these issues by immediately removing the zone write plug of zones
that are the target of zone append operations when blk_zone_plug_bio()
is called. The new function blk_zone_wplug_handle_native_zone_append()
implements this for devices that natively support zone append. The
removal of the zone write plug using disk_remove_zone_wplug() requires
aborting all plugged regular write using disk_zone_wplug_abort() as
otherwise the plugged write BIOs would never be executed (with the plug
removed, the completion path will never see again the zone write plug as
disk_get_zone_wplug() will return NULL). Rate-limited warnings are added
to blk_zone_wplug_handle_native_zone_append() and to
disk_zone_wplug_abort() to signal this.
Since blk_zone_wplug_handle_native_zone_append() is called in the hot
path for operations that will not be plugged, disk_get_zone_wplug() is
optimized under the assumption that a user issuing zone append
operations is not at the same time issuing regular writes and that there
are no hashed zone write plugs. The struct gendisk atomic counter
nr_zone_wplugs is added to check this, with this counter incremented in
disk_insert_zone_wplug() and decremented in disk_remove_zone_wplug().
To be consistent with this fix, we do not need to fill the zone write
plug hash table with zone write plugs for zones that are partially
written for a device that supports native zone append operations.
So modify blk_revalidate_seq_zone() to return early to avoid allocating
and inserting a zone write plug for partially written sequential zones
if the device natively supports zone append.
Reported-by: Jorgen Hansen <Jorgen.Hansen@wdc.com>
Fixes: 9b1ce7f0c6 ("block: Implement zone append emulation")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Tested-by: Jorgen Hansen <Jorgen.Hansen@wdc.com>
Link: https://lore.kernel.org/r/20250214041434.82564-1-dlemoal@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Currently, we report -ETOOSMALL (err) only on the first iteration
(!sent). When we get put_cmsg error after a bunch of successful
put_cmsg calls, we don't signal the error at all. This might be
confusing on the userspace side which will see truncated CMSGs
but no MSG_CTRUNC signal.
Consider the following case:
- sizeof(struct cmsghdr) = 16
- sizeof(struct dmabuf_cmsg) = 24
- total cmsg size (CMSG_LEN) = 40 (16+24)
When calling recvmsg with msg_controllen=60, the userspace
will receive two(!) dmabuf_cmsg(s), the first one will
be a valid one and the second one will be silently truncated. There is no
easy way to discover the truncation besides doing something like
"cm->cmsg_len != CMSG_LEN(sizeof(dmabuf_cmsg))".
Introduce new put_devmem_cmsg wrapper that reports an error instead
of doing the truncation. Mina suggests that it's the intended way
this API should work.
Note that we might now report MSG_CTRUNC when the users (incorrectly)
call us with msg_control == NULL.
Fixes: 8f0b3cc9a4 ("tcp: RX path for devmem TCP")
Reviewed-by: Mina Almasry <almasrymina@google.com>
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250224174401.3582695-1-sdf@fomichev.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
commit b530104f50 ("lsm: lsm_context in security_dentry_init_security")
did not preserve the lsm id for subsequent release calls, which results
in a memory leak. Fix it by saving the lsm id in the nfs4_label and
providing it on the subsequent release call.
Fixes: b530104f50 ("lsm: lsm_context in security_dentry_init_security")
Signed-off-by: Stephen Smalley <stephen.smalley.work@gmail.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Anna Schumaker <anna.schumaker@oracle.com>
A C jump table (such as the one used by the BPF interpreter) is a const
global array of absolute code addresses, and this means that the actual
values in the table may not be known until the kernel is booted (e.g.,
when using KASLR or when the kernel VA space is sized dynamically).
When using PIE codegen, the compiler will default to placing such const
global objects in .data.rel.ro (which is annotated as writable), rather
than .rodata (which is annotated as read-only). As C jump tables are
explicitly emitted into .rodata, this used to result in warnings for
LoongArch builds (which uses PIE codegen for the entire kernel) like
Warning: setting incorrect section attributes for .rodata..c_jump_table
due to the fact that the explicitly specified .rodata section inherited
the read-write annotation that the compiler uses for such objects when
using PIE codegen.
This warning was suppressed by explicitly adding the read-only
annotation to the __attribute__((section(""))) string, by commit
c5b1184dec ("compiler.h: specify correct attribute for .rodata..c_jump_table")
Unfortunately, this hack does not work on Clang's integrated assembler,
which happily interprets the appended section type and permission
specifiers as part of the section name, which therefore no longer
matches the hard-coded pattern '.rodata..c_jump_table' that objtool
expects, causing it to emit a warning
kernel/bpf/core.o: warning: objtool: ___bpf_prog_run+0x20: sibling call from callable instruction with modified stack frame
Work around this, by emitting C jump tables into .data.rel.ro instead,
which is treated as .rodata by the linker script for all builds, not
just PIE based ones.
Fixes: c5b1184dec ("compiler.h: specify correct attribute for .rodata..c_jump_table")
Tested-by: Tiezhu Yang <yangtiezhu@loongson.cn> # on LoongArch
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250221135704.431269-6-ardb+git@google.com
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
In the kernel, there are architectures (x86, arm64) that perform
boot-time relocation (for KASLR) without relying on PIE codegen. In this
case, all const global objects are emitted into .rodata, including const
objects with fields that will be fixed up by the boot-time relocation
code. This implies that .rodata (and .text in some cases) need to be
writable at boot, but they will usually be mapped read-only as soon as
the boot completes.
When using PIE codegen, the compiler will emit const global objects into
.data.rel.ro rather than .rodata if the object contains fields that need
such fixups at boot-time. This permits the linker to annotate such
regions as requiring read-write access only at load time, but not at
execution time (in user space), while keeping .rodata truly const (in
user space, this is important for reducing the CoW footprint of dynamic
executables).
This distinction does not matter for the kernel, but it does imply that
const data will end up in writable memory if the .data.rel.ro sections
are not treated in a special way, as they will end up in the writable
.data segment by default.
So emit .data.rel.ro into the .rodata segment.
Cc: stable@vger.kernel.org
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250221135704.431269-5-ardb+git@google.com
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
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Merge tag 'vfs-6.14-rc5.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- Use __readahead_folio() in fuse again to fix a UAF issue
when using splice
- Remove d_op->d_delete method from pidfs
- Remove d_op->d_delete method from nsfs
- Simplify iomap_dio_bio_iter()
- Fix a UAF in ovl_dentry_update_reval
- Fix a miscalulated file range for filemap_fdatawrite_range_kick()
- Don't skip skip dirty page in folio_unmap_invalidate()
* tag 'vfs-6.14-rc5.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
iomap: Minor code simplification in iomap_dio_bio_iter()
nsfs: remove d_op->d_delete
pidfs: remove d_op->d_delete
mm/truncate: don't skip dirty page in folio_unmap_invalidate()
mm/filemap: fix miscalculated file range for filemap_fdatawrite_range_kick()
fuse: don't truncate cached, mutated symlink
ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up
fuse: revert back to __readahead_folio() for readahead
Using PAGE_SIZE as a minimum expected DMA segment size in consideration
of devices which have a max DMA segment size of < 64k when used on 64k
PAGE_SIZE systems leads to devices not being able to probe such as
eMMC and Exynos UFS controller [0] [1] you can end up with a probe failure
as follows:
WARNING: CPU: 2 PID: 397 at block/blk-settings.c:339 blk_validate_limits+0x364/0x3c0
Ensure we use min(max_seg_size, seg_boundary_mask + 1) as the new min segment
size when max segment size is < PAGE_SIZE for 16k and 64k base page size systems.
If anyone need to backport this patch, the following commits are depended:
commit 6aeb4f8364 ("block: remove bio_add_pc_page")
commit 02ee5d69e3 ("block: remove blk_rq_bio_prep")
commit b7175e24d6 ("block: add a dma mapping iterator")
Link: https://lore.kernel.org/linux-block/20230612203314.17820-1-bvanassche@acm.org/ # [0]
Link: https://lore.kernel.org/linux-block/1d55e942-5150-de4c-3a02-c3d066f87028@acm.org/ # [1]
Cc: Yi Zhang <yi.zhang@redhat.com>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Keith Busch <kbusch@kernel.org>
Tested-by: Paul Bunyan <pbunyan@redhat.com>
Reviewed-by: Daniel Gomez <da.gomez@kernel.org>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250225022141.2154581-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
When SPI is used for control, the driver must hold the SPI bus lock
while issuing the sequence of writes to perform a soft reset.
>From the time the driver writes the SYSTEM_RESET command until the
driver does a write to terminate the reset, there must not be any
activity on the SPI bus lines. If there is any SPI activity during the
soft-reset, another soft-reset will be triggered. The state of the SPI
chip select is irrelevant.
A repeated soft-reset does not in itself cause any problems, and it is
not an infinite loop. The problem is a race between these resets and
the driver polling for boot completion. There is a time window between
soft resets where the driver could read HALO_STATE as 2 (fully booted)
while the chip is actually soft-resetting. Although this window is
small, it is long enough that it is possible to hit it in normal
operation.
To prevent this race and ensure the chip really is fully booted, the
driver calls spi_bus_lock() to prevent other activity while resetting.
It then issues the SYSTEM_RESET mailbox command. After allowing
sufficient time for reset to take effect, the driver issues a PING
mailbox command, which will force completion of the full soft-reset
sequence. The SPI bus lock can then be released. The mailbox is
checked for any boot or wakeup response from the firmware, before the
value in HALO_STATE will be trusted.
This does not affect SoundWire or I2C control.
Fixes: 8a731fd37f ("ASoC: cs35l56: Move utility functions to shared file")
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20250225131843.113752-3-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The driver exposes volume kcontrols if PEAKVOL/GAIN module is present
in the streaming path. Currently there is no control over their default
values including the effect that may accompany the volume change event.
Add template for PEAKVOL/GAIN module which holds all the information
needed to address the limitation.
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://patch.msgid.link/20250217102115.3539427-4-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
To provide minimal support for multi-channel kcontrols i.e.: more than
stereo configuration, store the number of channels specified within the
SectionControlMixer. The field is part of the topology standard,
currently skipped by the ASoC core.
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://patch.msgid.link/20250217102115.3539427-3-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Introduce '_array' variant of devm_kmemdup() which is more robust and
consistent with alloc family of helpers.
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
device.h is a huge header which is hard to follow and easy to miss
something. Improve that by splitting devres APIs to device/devres.h.
In particular this helps to speedup the build of the code that includes
device.h solely for a devres APIs.
While at it, cast the error pointers to __iomem using IOMEM_ERR_PTR()
and fix sparse warnings.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Since IOMEM_ERR_PTR() macro deals with an error pointer, a better place
for it is err.h. This helps avoid dependency on io.h for the users that
don't need it.
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
- Fix overly spread-out RSEQ concurrency ID allocation pattern that
regressed certain workloads.
- Fix RSEQ registration syscall behavior on -EFAULT errors when
CONFIG_DEBUG_RSEQ=y. (This debug option is disabled on most
distributions.)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2025-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull rseq fixes from Ingo Molnar:
- Fix overly spread-out RSEQ concurrency ID allocation pattern that
regressed certain workloads
- Fix RSEQ registration syscall behavior on -EFAULT errors when
CONFIG_DEBUG_RSEQ=y (This debug option is disabled on most
distributions)
* tag 'sched-urgent-2025-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rseq: Fix rseq registration with CONFIG_DEBUG_RSEQ
sched: Compact RSEQ concurrency IDs with reduced threads and affinity
Give an afs_server object a ref on the afs_cell object it points to so that
the cell doesn't get deleted before the server record.
Whilst this is circular (cell -> vol -> server_list -> server -> cell), the
ref only pins the memory, not the lifetime as that's controlled by the
activity counter. When the volume's activity counter reaches 0, it
detaches from the cell and discards its server list; when a cell's activity
counter reaches 0, it discards its root volume. At that point, the
circularity is cut.
Fixes: d2ddc776a4 ("afs: Overhaul volume and server record caching and fileserver rotation")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: Simon Horman <horms@kernel.org>
cc: linux-afs@lists.infradead.org
Link: https://patch.msgid.link/20250218192250.296870-6-dhowells@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
