The existing rbtree implementation uses singleton elements to represent
ranges, however, userspace provides a set size according to the number
of ranges in the set.
Adjust provided userspace set size to the number of singleton elements
in the kernel by multiplying the range by two.
Check if the no-match all-zero element is already in the set, in such
case release one slot in the set size.
Fixes: 0ed6389c48 ("netfilter: nf_tables: rename set implementations")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
key_being_used_for[] is an unused array of textual names for
the elements of the enum key_being_used_for. It was added in 2015 by
commit 99db443506 ("PKCS#7: Appropriately restrict authenticated
attributes and content type")
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Most likely the last "new features" pull request for v6.14 and this is
a bigger one. Multi-Link Operation (MLO) work continues both in stack
in drivers. Few new devices supported and usual fixes all over.
Major changes:
cfg80211
* Emergency Preparedness Communication Services (EPCS) station mode support
mac80211
* an option to filter a sta from being flushed
* some support for RX Operating Mode Indication (OMI) power saving
* support for adding and removing station links for MLO
iwlwifi
* new device ids
* rework firmware error handling and restart
rtw88
* RTL8812A: RFE type 2 support
* LED support
rtw89
* variant info to support RTL8922AE-VS
mt76
* mt7996: single wiphy multiband support (preparation for MLO)
* mt7996: support for more variants
* mt792x: P2P_DEVICE support
* mt7921u: TP-Link TXE50UH support
ath12k
* enable MLO for QCN9274 (although it seems to be broken with dual
band devices)
* MLO radar detection support
* debugfs: transmit buffer OFDMA, AST entry and puncture stats
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Merge tag 'wireless-next-2025-01-17' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.14
Most likely the last "new features" pull request for v6.14 and this is
a bigger one. Multi-Link Operation (MLO) work continues both in stack
in drivers. Few new devices supported and usual fixes all over.
Major changes:
cfg80211
* Emergency Preparedness Communication Services (EPCS) station mode support
mac80211
* an option to filter a sta from being flushed
* some support for RX Operating Mode Indication (OMI) power saving
* support for adding and removing station links for MLO
iwlwifi
* new device ids
* rework firmware error handling and restart
rtw88
* RTL8812A: RFE type 2 support
* LED support
rtw89
* variant info to support RTL8922AE-VS
mt76
* mt7996: single wiphy multiband support (preparation for MLO)
* mt7996: support for more variants
* mt792x: P2P_DEVICE support
* mt7921u: TP-Link TXE50UH support
ath12k
* enable MLO for QCN9274 (although it seems to be broken with dual
band devices)
* MLO radar detection support
* debugfs: transmit buffer OFDMA, AST entry and puncture stats
* tag 'wireless-next-2025-01-17' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (322 commits)
wifi: brcmfmac: fix NULL pointer dereference in brcmf_txfinalize()
wifi: rtw88: add RTW88_LEDS depends on LEDS_CLASS to Kconfig
wifi: wilc1000: unregister wiphy only after netdev registration
wifi: cfg80211: adjust allocation of colocated AP data
wifi: mac80211: fix memory leak in ieee80211_mgd_assoc_ml_reconf()
wifi: ath12k: fix key cache handling
wifi: ath12k: Fix uninitialized variable access in ath12k_mac_allocate() function
wifi: ath12k: Remove ath12k_get_num_hw() helper function
wifi: ath12k: Refactor the ath12k_hw get helper function argument
wifi: ath12k: Refactor ath12k_hw set helper function argument
wifi: mt76: mt7996: add implicit beamforming support for mt7992
wifi: mt76: mt7996: fix beacon command during disabling
wifi: mt76: mt7996: fix ldpc setting
wifi: mt76: mt7996: fix definition of tx descriptor
wifi: mt76: connac: adjust phy capabilities based on band constraints
wifi: mt76: mt7996: fix incorrect indexing of MIB FW event
wifi: mt76: mt7996: fix HE Phy capability
wifi: mt76: mt7996: fix the capability of reception of EHT MU PPDU
wifi: mt76: mt7996: add max mpdu len capability
wifi: mt76: mt7921: avoid undesired changes of the preset regulatory domain
...
====================
Link: https://patch.msgid.link/20250117203529.72D45C4CEDD@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We have some leftovers from the switch to linkmode bitmaps which
- have never been used
- are not used any longer
- have no user outside phy_device.c
So remove them.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://patch.msgid.link/5493b96e-88bb-4230-a911-322659ec5167@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The Samsung Exynos mailbox controller, used on Google GS101 SoC, has 16
flag bits for hardware interrupt generation and a shared register for
passing mailbox messages. When the controller is used by the
ACPM interface the shared register is ignored and the mailbox controller
acts as a doorbell. The controller just raises the interrupt to APM
after the ACPM interface has written the message to SRAM.
Add support for the Samsung Exynos mailbox controller.
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
Add a mailbox controller driver for the Microchip Inter-processor
Communication (IPC), which is used to send and receive data between
processors.
The driver uses the RISC-V Supervisor Binary Interface (SBI) to
communicate with software running in machine mode (M-mode) to access
the IPC hardware block.
Additional details on the Microchip vendor extension and the IPC
function IDs described in the driver can be found in the following
documentation:
https://github.com/linux4microchip/microchip-sbi-ecall-extension
This SBI interface in this driver is compatible with the Mi-V Inter-hart
Communication (IHC) IP.
Transmitting and receiving data through the mailbox framework is done
through struct mchp_ipc_msg.
Signed-off-by: Valentina Fernandez <valentina.fernandezalanis@microchip.com>
Signed-off-by: Jassi Brar <jassisinghbrar@gmail.com>
It was reported that the GFP flags in trace events went from human
readable to just their hex values:
gfp_flags=GFP_HIGHUSER_MOVABLE|__GFP_COMP to gfp_flags=0x140cca
This was caused by a change that added the use of enums in calculating
the GFP flags. As defines get translated into their values in the
trace event format files, the user space tooling could easily convert
the GFP flags into their symbols via the __print_flags() helper macro.
The problem is that enums do not get converted, and the names of the
enums show up in the format files and user space tooling cannot translate
them.
Add TRACE_DEFINE_ENUM() around the enums used for GFP flags which is the
tracing infrastructure macro that informs the tracing subsystem what
the values for enums and it can then expose that to user space.
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Merge tag 'trace-v6.13-rc7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fix from Steven Rostedt:
"Fix regression in GFP output in trace events
It was reported that the GFP flags in trace events went from human
readable to just their hex values:
gfp_flags=GFP_HIGHUSER_MOVABLE|__GFP_COMP to gfp_flags=0x140cca
This was caused by a change that added the use of enums in calculating
the GFP flags.
As defines get translated into their values in the trace event format
files, the user space tooling could easily convert the GFP flags into
their symbols via the __print_flags() helper macro.
The problem is that enums do not get converted, and the names of the
enums show up in the format files and user space tooling cannot
translate them.
Add TRACE_DEFINE_ENUM() around the enums used for GFP flags which is
the tracing infrastructure macro that informs the tracing subsystem
what the values for enums and it can then expose that to user space"
* tag 'trace-v6.13-rc7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: gfp: Fix the GFP enum values shown for user space tracing tools
Add a new field called 'parent_bus_addr' to struct of_pci_range to use
when retrieving parent bus address information.
Refer to the diagram below to better understand that the bus fabric in
some systems (like i.MX8QXP) does not always use a 1:1 address map
between input and output.
Currently, many controller drivers use the cpu_addr_fixup() callback
that would often hardcode address translation directly in the code, e.g.,
"cpu_addr & CDNS_PLAT_CPU_TO_BUS_ADDR" or "cpu_addr + BUS_IATU_OFFSET",
etc., even though those translations *should* be described via DT.
However, the cpu_addr_fixup() can be eliminated if DT correctly reflects
hardware behavior and drivers use 'parent_bus_addr' in struct of_pci_range.
┌─────────┐ ┌────────────┐
┌─────┐ │ │ IA: 0x8ff8_0000 │ │
│ CPU ├───►│ ┌────►├─────────────────┐ │ PCI │
└─────┘ │ │ │ IA: 0x8ff0_0000 │ │ │
CPU Addr │ │ ┌─►├─────────────┐ │ │ Controller │
0x7ff8_0000─┼───┘ │ │ │ │ │ │
│ │ │ │ │ │ │ PCI Addr
0x7ff0_0000─┼──────┘ │ │ └──► IOSpace ─┼────────────►
│ │ │ │ │ 0
0x7000_0000─┼────────►├─────────┐ │ │ │
└─────────┘ │ └──────► CfgSpace ─┼────────────►
BUS Fabric │ │ │ 0
│ │ │
└──────────► MemSpace ─┼────────────►
IA: 0x8000_0000 │ │ 0x8000_0000
└────────────┘
bus@5f000000 {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x80000000 0x0 0x70000000 0x10000000>;
pcie@5f010000 {
compatible = "fsl,imx8q-pcie";
reg = <0x5f010000 0x10000>, <0x8ff00000 0x80000>;
reg-names = "dbi", "config";
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
bus-range = <0x00 0xff>;
ranges = <0x81000000 0 0x00000000 0x8ff80000 0 0x00010000>,
<0x82000000 0 0x80000000 0x80000000 0 0x0ff00000>;
...
};
};
In the diagram above, the 'parent_bus_addr' field in struct of_pci_range
can indicate internal address (IA) address information.
Link: https://lore.kernel.org/r/20241119-pci_fixup_addr-v8-1-c4bfa5193288@nxp.com
Signed-off-by: Frank Li <Frank.Li@nxp.com>
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
pci_intx() is a hybrid function which can sometimes be managed through
devres. This hybrid nature is undesirable.
Since all users of pci_intx() have by now been ported either to
always-managed pcim_intx() or never-managed pci_intx_unmanaged(), the
devres functionality can be removed from pci_intx().
Consequently, pci_intx_unmanaged() is now redundant, because pci_intx()
itself is now unmanaged.
Remove the devres functionality from pci_intx(). Have all users of
pci_intx_unmanaged() call pci_intx(). Remove pci_intx_unmanaged().
Link: https://lore.kernel.org/r/20241209130632.132074-13-pstanner@redhat.com
Signed-off-by: Philipp Stanner <pstanner@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
pci_intx() is a hybrid function which sometimes performs devres operations,
depending on whether pcim_enable_device() has been used to enable the
pci_dev. This sometimes-managed nature of the function is problematic.
Notably, it causes the function to allocate under some circumstances which
makes it unusable from interrupt context.
Export pcim_intx() (which is always managed) and rename __pcim_intx()
(which is never managed) to pci_intx_unmanaged() and export it as well.
Then all callers of pci_intx() can be ported to the version they need,
depending whether they use pci_enable_device() or pcim_enable_device().
Link: https://lore.kernel.org/r/20241209130632.132074-3-pstanner@redhat.com
Signed-off-by: Philipp Stanner <pstanner@redhat.com>
[bhelgaas: commit log]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Charlie Jenkins <charlie@rivosinc.com> says:
xtheadvector is a custom extension that is based upon riscv vector
version 0.7.1 [1]. All of the vector routines have been modified to
support this alternative vector version based upon whether xtheadvector
was determined to be supported at boot.
vlenb is not supported on the existing xtheadvector hardware, so a
devicetree property thead,vlenb is added to provide the vlenb to Linux.
There is a new hwprobe key RISCV_HWPROBE_KEY_VENDOR_EXT_THEAD_0 that is
used to request which thead vendor extensions are supported on the
current platform. This allows future vendors to allocate hwprobe keys
for their vendor.
Support for xtheadvector is also added to the vector kselftests.
[1] 95358cb2cc/xtheadvector.adoc
* b4-shazam-merge:
riscv: Add ghostwrite vulnerability
selftests: riscv: Support xtheadvector in vector tests
selftests: riscv: Fix vector tests
riscv: hwprobe: Document thead vendor extensions and xtheadvector extension
riscv: hwprobe: Add thead vendor extension probing
riscv: vector: Support xtheadvector save/restore
riscv: Add xtheadvector instruction definitions
riscv: csr: Add CSR encodings for CSR_VXRM/CSR_VXSAT
RISC-V: define the elements of the VCSR vector CSR
riscv: vector: Use vlenb from DT for thead
riscv: Add thead and xtheadvector as a vendor extension
riscv: dts: allwinner: Add xtheadvector to the D1/D1s devicetree
dt-bindings: cpus: add a thead vlen register length property
dt-bindings: riscv: Add xtheadvector ISA extension description
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20241113-xtheadvector-v11-0-236c22791ef9@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Follow the patterns of the other architectures that use
GENERIC_CPU_VULNERABILITIES for riscv to introduce the ghostwrite
vulnerability and mitigation. The mitigation is to disable all vector
which is accomplished by clearing the bit from the cpufeature field.
Ghostwrite only affects thead c9xx CPUs that impelment xtheadvector, so
the vulerability will only be mitigated on these CPUs.
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Tested-by: Yangyu Chen <cyy@cyyself.name>
Link: https://lore.kernel.org/r/20241113-xtheadvector-v11-14-236c22791ef9@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Using the ioctl command 'UBI_IOCECNFO' user space can obtain
detailed erase counter information of all blocks of a device.
Signed-off-by: Rickard Andersson <rickard.andersson@axis.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Add a new kernel driver for the Focusrite Control Protocol (FCP),
which is used by Focusrite Scarlett 2nd Gen, 3rd Gen, 4th Gen, Clarett
USB, Clarett+, and Vocaster series audio interfaces. This driver
provides a user-space control interface via ALSA's hwdep subsystem.
Unlike the existing Scarlett2 driver which implements all ALSA
controls in kernel space, this new FCP driver takes a different
approach by providing a minimal kernel interface that allows a
user-space driver to send FCP commands and receive notifications. The
only control implemented in kernel space is the Level Meter, since it
requires frequent polling of volatile data.
While this driver supports all interfaces that the Scarlett2 driver
works with, it is initially enabled only for 4th Gen 16i16, 18i16,
and 18i20 interfaces that are not supported by the Scarlett2 driver.
Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Link: https://patch.msgid.link/597741a9b1198b965561547511d3d345f91cba20.1737048528.git.g@b4.vu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Add an u64 hardware timestamping statistics structure for each ocelot
port. Export a function from the common switch library for reporting
them to ethtool. This is called by the ocelot switchdev front-end for
now.
Note that for the switchdev driver, we report the one-step PTP packets
as unconfirmed, even though in principle, for some transmission
mechanisms like FDMA, we may be able to confirm transmission and bump
the "pkts" counter in ocelot_fdma_tx_cleanup() instead. I don't have
access to hardware which uses the switchdev front-end, and I've kept the
implementation simple.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250116104628.123555-4-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Integrate with the standard infrastructure for reporting hardware packet
timestamping statistics.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250116104628.123555-3-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
For packets with two-step timestamp requests, the hardware timestamp
comes back to the driver through a confirmation mechanism of sorts,
which allows the driver to confidently bump the successful "pkts"
counter.
For one-step PTP, the NIC is supposed to autonomously insert its
hardware TX timestamp in the packet headers while simultaneously
transmitting it. There may be a confirmation that this was done
successfully, or there may not.
None of the current drivers which implement ethtool_ops :: get_ts_stats()
also support HWTSTAMP_TX_ONESTEP_SYNC or HWTSTAMP_TX_ONESTEP_SYNC, so it
is a bit unclear which model to follow. But there are NICs, such as DSA,
where there is no transmit confirmation at all. Here, it would be wrong /
misleading to increment the successful "pkts" counter, because one-step
PTP packets can be dropped on TX just like any other packets.
So introduce a special counter which signifies "yes, an attempt was made,
but we don't know whether it also exited the port or not". I expect that
for one-step PTP packets where a confirmation is available, the "pkts"
counter would be bumped.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Link: https://patch.msgid.link/20250116104628.123555-2-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Two last minute fixes: one build issue on TI soc drivers,
and a regression in the renesas reset controller driver.
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Merge tag 'soc-fixes-6.13-4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"Two last minute fixes: one build issue on TI soc drivers, and a
regression in the renesas reset controller driver"
* tag 'soc-fixes-6.13-4' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
soc: ti: pruss: Fix pruss APIs
reset: rzg2l-usbphy-ctrl: Assign proper of node to the allocated device
... so that they can be copied with struct assignment (which generates
better code) and accessed word-by-word.
The type is union shortname_storage; it's a union of arrays of
unsigned char and unsigned long.
struct name_snapshot.inline_name turned into union shortname_storage;
users (all in fs/dcache.c) adjusted.
struct dentry.d_iname has some users outside of fs/dcache.c; to
reduce the amount of noise in commit, it is replaced with
union shortname_storage d_shortname and d_iname is turned into a macro
that expands to d_shortname.string (similar to d_lock handling).
That compat macro is temporary - most of the remaining instances will
be taken out by debugfs series, and once that is merged and few others
are taken care of this will go away.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
... calling the number of words DNAME_INLINE_WORDS.
The next step will be to have a structure to hold inline name arrays
(both in dentry and in name_snapshot) and use that to alias the
existing arrays of unsigned char there. That will allow both
full-structure copies and convenient word-by-word accesses.
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Support stacking atomic write limits for DM devices.
All the pre-existing code in blk_stack_atomic_writes_limits() already takes
care of finding the aggregrate limits from the bottom devices.
Feature flag DM_TARGET_ATOMIC_WRITES is introduced so that atomic writes
can be enabled on personalities selectively. This is to ensure that atomic
writes are only enabled when verified to be working properly (for a
specific personality). In addition, it just may not make sense to enable
atomic writes on some personalities (so this flag also helps there).
Signed-off-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Mike Snitzer <snitzer@kernel.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Tracing tools like perf and trace-cmd read the /sys/kernel/tracing/events/*/*/format
files to know how to parse the data and also how to print it. For the
"print fmt" portion of that file, if anything uses an enum that is not
exported to the tracing system, user space will not be able to parse it.
The GFP flags use to be defines, and defines get translated in the print
fmt sections. But now they are converted to use enums, which is not.
The mm_page_alloc trace event format use to have:
print fmt: "page=%p pfn=0x%lx order=%d migratetype=%d gfp_flags=%s",
REC->pfn != -1UL ? (((struct page *)vmemmap_base) + (REC->pfn)) : ((void
*)0), REC->pfn != -1UL ? REC->pfn : 0, REC->order, REC->migratetype,
(REC->gfp_flags) ? __print_flags(REC->gfp_flags, "|", {( unsigned
long)(((((((( gfp_t)(0x400u|0x800u)) | (( gfp_t)0x40u) | (( gfp_t)0x80u) |
(( gfp_t)0x100000u)) | (( gfp_t)0x02u)) | (( gfp_t)0x08u) | (( gfp_t)0)) |
(( gfp_t)0x40000u) | (( gfp_t)0x80000u) | (( gfp_t)0x2000u)) & ~((
gfp_t)(0x400u|0x800u))) | (( gfp_t)0x400u)), "GFP_TRANSHUGE"}, {( unsigned
long)((((((( gfp_t)(0x400u|0x800u)) | (( gfp_t)0x40u) | (( gfp_t)0x80u) |
(( gfp_t)0x100000u)) | (( gfp_t)0x02u)) | (( gfp_t)0x08u) | (( gfp_t)0)) ...
Where the GFP values are shown and not their names. But after the GFP
flags were converted to use enums, it has:
print fmt: "page=%p pfn=0x%lx order=%d migratetype=%d gfp_flags=%s",
REC->pfn != -1UL ? (vmemmap + (REC->pfn)) : ((void *)0), REC->pfn != -1UL
? REC->pfn : 0, REC->order, REC->migratetype, (REC->gfp_flags) ?
__print_flags(REC->gfp_flags, "|", {( unsigned long)((((((((
gfp_t)(((((1UL))) << (___GFP_DIRECT_RECLAIM_BIT))|((((1UL))) <<
(___GFP_KSWAPD_RECLAIM_BIT)))) | (( gfp_t)((((1UL))) << (___GFP_IO_BIT)))
| (( gfp_t)((((1UL))) << (___GFP_FS_BIT))) | (( gfp_t)((((1UL))) <<
(___GFP_HARDWALL_BIT)))) | (( gfp_t)((((1UL))) << (___GFP_HIGHMEM_BIT))))
| (( gfp_t)((((1UL))) << (___GFP_MOVABLE_BIT))) | (( gfp_t)0)) | ((
gfp_t)((((1UL))) << (___GFP_COMP_BIT))) ...
Where the enums names like ___GFP_KSWAPD_RECLAIM_BIT are shown and not their
values. User space has no way to convert these names to their values and
the output will fail to parse. What is shown is now:
mm_page_alloc: page=0xffffffff981685f3 pfn=0x1d1ac1 order=0 migratetype=1 gfp_flags=0x140cca
The TRACE_DEFINE_ENUM() macro was created to handle enums in the print fmt
files. This causes them to be replaced at boot up with the numbers, so
that user space tooling can parse it. By using this macro, the output is
back to the human readable:
mm_page_alloc: page=0xffffffff981685f3 pfn=0x122233 order=0 migratetype=1 gfp_flags=GFP_HIGHUSER_MOVABLE|__GFP_COMP
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Veronika Molnarova <vmolnaro@redhat.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/20250116214438.749504792@goodmis.org
Reported-by: Michael Petlan <mpetlan@redhat.com>
Closes: https://lore.kernel.org/all/87be5f7c-1a0-dad-daa0-54e342efaea7@redhat.com/
Fixes: 772dd03427 ("mm: enumerate all gfp flags")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Currently only stacked devices need to explicitly enable atomic writes by
setting BLK_FEAT_ATOMIC_WRITES_STACKED flag.
This does not work well for device mapper stacking devices, as there many
sets of limits are stacked and what is the 'bottom' and 'top' device can
swapped. This means that BLK_FEAT_ATOMIC_WRITES_STACKED needs to be set
for many queue limits, which is messy.
Generalize enabling atomic writes enabling by ensuring that all devices
must explicitly set a flag - that includes NVMe, SCSI sd, and md raid.
Signed-off-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Mike Snitzer <snitzer@kernel.org>
Link: https://lore.kernel.org/r/20250116170301.474130-2-john.g.garry@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add device-managed variant of dev_pm_set_wake_irq which automatically
clear the wake irq on device destruction to simplify error handling
and resource management in drivers.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://patch.msgid.link/20250103-wake_irq-v2-1-e3aeff5e9966@nxp.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Introduce power budget management for the regulator device. Enable tracking
of available power capacity by providing helpers to request and release
power budget allocations.
Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20250115-feature_regulator_pw_budget-v2-1-0a44b949e6bc@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add kerneldoc and sysfs class documentation.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20250116002721.75592-19-kuurtb@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
platform_profile_handler is now an internal structure. Move it to
platform_profile.c.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20250116002721.75592-17-kuurtb@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
In order to protect the platform_profile_handler from API consumers,
allocate it in platform_profile_register() and modify it's signature
accordingly.
Remove the platform_profile_handler from all consumer drivers and
replace them with a pointer to the class device, which is
now returned from platform_profile_register().
Replace *pprof with a pointer to the class device in the rest of
exported symbols.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20250116002721.75592-16-kuurtb@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
of_alias_scan() has no external callers and returns void.
Do not expose it and delete return value descriptions in its comments.
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20250114-of_core_fix-v5-1-b8bafd00a86f@quicinc.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
kgdb_nmi_poll_knock() has been unused since it was added in 2013 in
commit 0c57dfcc6c ("tty/serial: Add kgdb_nmi driver")
Remove it, the static helpers, and module parameters it used.
(The comment explaining why it might be used sounds sensible, but
it's never been wired up, perhaps it's worth doing somewhere?)
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20250112135759.105541-1-linux@treblig.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The Source can drop its output voltage to the minimum of the requested
PPS APDO voltage range when it is in Current Limit Mode. If this voltage
falls within the range of vPpsShutdown, the Source initiates a Hard
Reset and discharges Vbus. However, currently the Sink may disconnect
before the voltage reaches vPpsShutdown, leading to unexpected behavior.
Prevent premature disconnection by setting the Sink's disconnect
threshold to the minimum vPpsShutdown value. Additionally, consider the
voltage drop due to IR drop when calculating the appropriate threshold.
This ensures a robust and reliable interaction between the Source and
Sink during SPR PPS Current Limit Mode operation.
Fixes: 4288debeaa ("usb: typec: tcpci: Fix up sink disconnect thresholds for PD")
Cc: stable <stable@kernel.org>
Signed-off-by: Kyle Tso <kyletso@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Badhri Jagan Sridharan <badhri@google.com>
Link: https://lore.kernel.org/r/20250114142435.2093857-1-kyletso@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* kvm-arm64/pkvm-memshare-declutter:
: .
: pKVM memory transition simplifications, courtesy of Quentin Perret.
:
: From the cover letter:
: "Since its early days, pKVM has formalized memory 'transitions' (shares
: and donations) using 'struct pkvm_mem_transition' and bunch of helpers
: to manipulate it. The intention was for all transitions to use this
: machinery to ensure we're checking things consistently. However, as
: development progressed, it became clear that the rigidity of this model
: made it really difficult to use in some use-cases which ended-up
: side-stepping it entirely. That is the case for the
: hyp_{un}pin_shared_mem() and host_{un}share_guest() paths upstream which
: use lower level helpers directly, as well as for several other pKVM
: features that should land upstream in the future (ex: when a guest
: relinquishes a page during ballooning, when annotating a page that is
: being DMA'd to, ...). On top of this, the pkvm_mem_transition machinery
: requires a lot of boilerplate which makes the code hard to read, but
: also adds layers of indirection that no compilers seems to see through,
: hence leading to suboptimal generated code.
:
: Given all the above, this series removes the pkvm_mem_transition
: machinery from mem_protect.c, and converts all its users to use
: __*_{check,set}_page_state_range() low-level helpers directly."
: .
KVM: arm64: Drop pkvm_mem_transition for host/hyp donations
KVM: arm64: Drop pkvm_mem_transition for host/hyp sharing
KVM: arm64: Drop pkvm_mem_transition for FF-A
KVM: arm64: Only apply PMCR_EL0.P to the guest range of counters
KVM: arm64: nv: Reload PMU events upon MDCR_EL2.HPME change
KVM: arm64: Use KVM_REQ_RELOAD_PMU to handle PMCR_EL0.E change
KVM: arm64: Add unified helper for reprogramming counters by mask
KVM: arm64: Always check the state from hyp_ack_unshare()
KVM: arm64: Fix set_id_regs selftest for ASIDBITS becoming unwritable
Signed-off-by: Marc Zyngier <maz@kernel.org>
* kvm-arm64/nv-timers:
: .
: Nested Virt support for the EL2 timers. From the initial cover letter:
:
: "Here's another batch of NV-related patches, this time bringing in most
: of the timer support for EL2 as well as nested guests.
:
: The code is pretty convoluted for a bunch of reasons:
:
: - FEAT_NV2 breaks the timer semantics by redirecting HW controls to
: memory, meaning that a guest could setup a timer and never see it
: firing until the next exit
:
: - We go try hard to reflect the timer state in memory, but that's not
: great.
:
: - With FEAT_ECV, we can finally correctly emulate the virtual timer,
: but this emulation is pretty costly
:
: - As a way to make things suck less, we handle timer reads as early as
: possible, and only defer writes to the normal trap handling
:
: - Finally, some implementations are badly broken, and require some
: hand-holding, irrespective of NV support. So we try and reuse the NV
: infrastructure to make them usable. This could be further optimised,
: but I'm running out of patience for this sort of HW.
:
: [...]"
: .
KVM: arm64: nv: Fix doc header layout for timers
KVM: arm64: nv: Document EL2 timer API
KVM: arm64: Work around x1e's CNTVOFF_EL2 bogosity
KVM: arm64: nv: Sanitise CNTHCTL_EL2
KVM: arm64: nv: Propagate CNTHCTL_EL2.EL1NV{P,V}CT bits
KVM: arm64: nv: Add trap routing for CNTHCTL_EL2.EL1{NVPCT,NVVCT,TVT,TVCT}
KVM: arm64: Handle counter access early in non-HYP context
KVM: arm64: nv: Accelerate EL0 counter accesses from hypervisor context
KVM: arm64: nv: Accelerate EL0 timer read accesses when FEAT_ECV in use
KVM: arm64: nv: Use FEAT_ECV to trap access to EL0 timers
KVM: arm64: nv: Publish emulated timer interrupt state in the in-memory state
KVM: arm64: nv: Sync nested timer state with FEAT_NV2
KVM: arm64: nv: Add handling of EL2-specific timer registers
Signed-off-by: Marc Zyngier <maz@kernel.org>
Add EEE management to phylink, making use of the phylib implementation.
This will only be used where a MAC driver populates the methods and
capabilities bitfield, otherwise we keep our old behaviour.
Phylink will keep track of the EEE configuration, including the clock
stop abilities at each end of the MAC to PHY link, programming the PHY
appropriately and preserving the LPI configuration should the PHY go
away.
Phylink will call into the MAC driver when LPI needs to be enabled or
disabled, with the requirement that the MAC have LPI disabled prior
to the netdev being brought up (in other words, it will only call
mac_disable_tx_lpi() if it has already called mac_enable_tx_lpi().)
Support for phylink managed EEE is enabled by populating both tx_lpi
MAC operations method pointers, and filling in both LPI interfaces
and capabilities. If the methods are provided but the LPI interfaces
or capabilities remain empty, this indicates to phylink that EEE is
implemented by the driver but the hardware it is driving does not
support EEE, and thus the ethtool set_eee() and get_eee() methods will
return EOPNOTSUPP.
No validation of the LPI timer value is performed by this patch.
For interface modes which do not support LPI, we make no attempt to
manipulate the phylib EEE advertisement, but instead refuse to
activate LPI at the MAC, noting it at debug message level.
We also restrict the advertisement and reported userspace support
linkmode masks according to the lpi_capabilities provided to
phylink by the MAC driver.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/E1tYADq-0014Pn-J1@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add support for querying whether the PHY allows the transmit xMII clock
to be stopped while in LPI mode. This will be used by phylink to pass
to the MAC driver so it can configure the generation of the xMII clock
appropriately.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/E1tYADg-0014Pb-AJ@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a definition for the clock stop capable bit in the PCS MMD. This
bit indicates whether the MAC is able to stop the transmit xMII clock
while it is signalling LPI.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/E1tYADb-0014PV-6T@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
BCM2712 has an extra clock exposed by the firmware called DISP, and used
by (at least) the HVS. Let's add it to the list of clocks to register in
Linux.
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://lore.kernel.org/r/20250116-bcm2712-clk-updates-v1-5-10bc92ffbf41@raspberrypi.com
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This patch enables to update a selected component from PLDM image
containing multiple components.
Example usage:
struct pldmfw;
data.mode = PLDMFW_UPDATE_MODE_SINGLE_COMPONENT;
data.compontent_identifier = DRIVER_FW_MGMT_COMPONENT_ID;
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Konrad Knitter <konrad.knitter@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
pcie_read_tlp_log() handles only 4 Header Log DWORDs but TLP Prefix Log
(PCIe r6.1 secs 7.8.4.12 & 7.9.14.13) may also be present.
Generalize pcie_read_tlp_log() and struct pcie_tlp_log to also handle TLP
Prefix Log. The relevant registers are formatted identically in AER and DPC
Capability, but has these variations:
a) The offsets of TLP Prefix Log registers vary.
b) DPC RP PIO TLP Prefix Log register can be < 4 DWORDs.
c) AER TLP Prefix Log Present (PCIe r6.1 sec 7.8.4.7) can indicate Prefix
Log is not present.
Therefore callers must pass the offset of the TLP Prefix Log register and
the entire length to pcie_read_tlp_log() to be able to read the correct
number of TLP Prefix DWORDs from the correct offset.
Link: https://lore.kernel.org/r/20250114170840.1633-8-ilpo.jarvinen@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
[bhelgaas: squash ternary fix from
https://lore.kernel.org/r/20250116172019.88116-1-colin.i.king@gmail.com]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
- core: avoid CFI problems with sock priv helpers
- xsk: bring back busy polling support
- netpoll: ensure skb_pool list is always initialized
Current release - new code bugs:
- core: make page_pool_ref_netmem work with net iovs
- ipv4: route: fix drop reason being overridden in ip_route_input_slow
- udp: make rehash4 independent in udp_lib_rehash()
Previous releases - regressions:
- bpf: fix bpf_sk_select_reuseport() memory leak
- openvswitch: fix lockup on tx to unregistering netdev with carrier
- mptcp: be sure to send ack when mptcp-level window re-opens
- eth: bnxt: always recalculate features after XDP clearing, fix null-deref
- eth: mlx5: fix sub-function add port error handling
- eth: fec: handle page_pool_dev_alloc_pages error
Previous releases - always broken:
- vsock: some fixes due to transport de-assignment
- eth: ice: fix E825 initialization
- eth: mlx5e: fix inversion dependency warning while enabling IPsec tunnel
- eth: gtp: destroy device along with udp socket's netns dismantle.
- eth: xilinx: axienet: Fix IRQ coalescing packet count overflow
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.13-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Notably this includes fixes for a few regressions spotted very
recently. No known outstanding ones.
Current release - regressions:
- core: avoid CFI problems with sock priv helpers
- xsk: bring back busy polling support
- netpoll: ensure skb_pool list is always initialized
Current release - new code bugs:
- core: make page_pool_ref_netmem work with net iovs
- ipv4: route: fix drop reason being overridden in
ip_route_input_slow
- udp: make rehash4 independent in udp_lib_rehash()
Previous releases - regressions:
- bpf: fix bpf_sk_select_reuseport() memory leak
- openvswitch: fix lockup on tx to unregistering netdev with carrier
- mptcp: be sure to send ack when mptcp-level window re-opens
- eth:
- bnxt: always recalculate features after XDP clearing, fix
null-deref
- mlx5: fix sub-function add port error handling
- fec: handle page_pool_dev_alloc_pages error
Previous releases - always broken:
- vsock: some fixes due to transport de-assignment
- eth:
- ice: fix E825 initialization
- mlx5e: fix inversion dependency warning while enabling IPsec
tunnel
- gtp: destroy device along with udp socket's netns dismantle.
- xilinx: axienet: Fix IRQ coalescing packet count overflow"
* tag 'net-6.13-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (44 commits)
netdev: avoid CFI problems with sock priv helpers
net/mlx5e: Always start IPsec sequence number from 1
net/mlx5e: Rely on reqid in IPsec tunnel mode
net/mlx5e: Fix inversion dependency warning while enabling IPsec tunnel
net/mlx5: Clear port select structure when fail to create
net/mlx5: SF, Fix add port error handling
net/mlx5: Fix a lockdep warning as part of the write combining test
net/mlx5: Fix RDMA TX steering prio
net: make page_pool_ref_netmem work with net iovs
net: ethernet: xgbe: re-add aneg to supported features in PHY quirks
net: pcs: xpcs: actively unset DW_VR_MII_DIG_CTRL1_2G5_EN for 1G SGMII
net: pcs: xpcs: fix DW_VR_MII_DIG_CTRL1_2G5_EN bit being set for 1G SGMII w/o inband
selftests: net: Adapt ethtool mq tests to fix in qdisc graft
net: fec: handle page_pool_dev_alloc_pages error
net: netpoll: ensure skb_pool list is always initialized
net: xilinx: axienet: Fix IRQ coalescing packet count overflow
nfp: bpf: prevent integer overflow in nfp_bpf_event_output()
selftests: mptcp: avoid spurious errors on disconnect
mptcp: fix spurious wake-up on under memory pressure
mptcp: be sure to send ack when mptcp-level window re-opens
...
Add a `probe` callback to platform_profile_ops, which lets drivers
initialize the choices member manually. This is a step towards
unexposing the struct platform_profile_handler from the consumer
drivers.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20250116002721.75592-6-kuurtb@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Replace *profile_get and *profile_set members with a general *ops
member.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20250116002721.75592-5-kuurtb@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Devices can now set drvdata to the class device, thus passing the
platform_profile_handler to callbacks is unnecessary. Instead pass the
class device.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20250116002721.75592-4-kuurtb@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Add *drvdata to platform_profile_register() signature and assign it to
the class device.
While at it, pass specific driver state as drvdata to replace uses of
container_of() with dev_get_drvdata().
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20250116002721.75592-3-kuurtb@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Instead of holding a reference to the class device, embed it the
platform_profile_handler. This involves manually creating and
registering the device and replacing dev_get_drvdata() with the newly
created to_pprof_handler() macro.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20250116002721.75592-2-kuurtb@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
