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Add a new function bnxt_free_one_ctx_mem() to free one context
memory type. bnxt_free_ctx_mem() now calls the new function in
the loop to free each context memory type. There is no change in
behavior. Later patches will further make use of the new function.
Signed-off-by: Hongguang Gao <hongguang.gao@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20241115151438.550106-4-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a new bit to struct bnxt_ctx_mem_type to indicate that host
memory has been successfully allocated for this context memory type.
In the next patches, we'll be adding some additional context memory
types for FW debugging/logging. If memory cannot be allocated for
any of these new types, we will not abort and the cleared mem_valid
bit will indicate to skip configuring the memory type.
Reviewed-by: Hongguang Gao <hongguang.gao@broadcom.com>
Signed-off-by: Shruti Parab <shruti.parab@broadcom.com>
Signed-of-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20241115151438.550106-3-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The major change is the new firmware command to flush the FW debug
logs to the host backing store context memory buffers.
Reviewed-by: Hongguang Gao <hongguang.gao@broadcom.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20241115151438.550106-2-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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'struct i2c_device_id' is not modified in this driver.
Constifying this structure moves some data to a read-only section, so
increase overall security.
On a x86_64, with allmodconfig:
Before:
======
text data bss dec hex filename
6438 618 0 7056 1b90 drivers/input/keyboard/cypress-sf.o
After:
=====
text data bss dec hex filename
6502 554 0 7056 1b90 drivers/input/keyboard/cypress-sf.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/4bc3e3b4d10223d9df850fe4ba48f1cefd197082.1731689418.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Advertise GSO_MAX_SIZE as TSO max size in order support BIG TCP for wireguard.
This helps to improve wireguard performance a bit when enabled as it allows
wireguard to aggregate larger skbs in wg_packet_consume_data_done() via
napi_gro_receive(), but also allows the stack to build larger skbs on xmit
where the driver then segments them before encryption inside wg_xmit().
We've seen a 15% improvement in TCP stream performance.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Link: https://patch.msgid.link/20241117212030.629159-5-Jason@zx2c4.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This commit fixes a useless call issue detected by Coverity (CID
1508092). The call to horrible_allowedips_lookup_v4 is unnecessary as
its return value is never checked.
Signed-off-by: Dheeraj Reddy Jonnalagadda <dheeraj.linuxdev@gmail.com>
Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Link: https://patch.msgid.link/20241117212030.629159-3-Jason@zx2c4.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The memory for netdev_priv is allocated using kvzalloc in
alloc_netdev_mqs before rtnl_link_ops->setup is called so there is no
need to zero it again in wg_setup.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Link: https://patch.msgid.link/20241117212030.629159-2-Jason@zx2c4.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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fun_create_queue was added in 2022 by
commit e1ffcc66818f ("net/fungible: Add service module for Fungible
drivers")
but hasn't been used.
Remove it.
Also remove the static helper functions it was the only user of.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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warnings"
This reverts commit 3bd9b9abdf1563a22041b7255baea6d449902f1a. We cannot
use the new tagged struct group because it throws C++ errors even under
"extern C".
Signed-off-by: Kees Cook <kees@kernel.org>
Link: https://patch.msgid.link/20241115204308.3821419-1-kees@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The driver’s compatibility with devices is confirmed earlier in
platform_match(). Since reaching probe means the device is valid,
the extra check can be removed to simplify the code.
Signed-off-by: Vitalii Mordan <mordan@ispras.ru>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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For 1000BASE-X or SGMII interface mode, the PCS also need to be selected.
Only return null pointer when there is a copper NIC with external PHY.
Fixes: 02b2a6f91b90 ("net: txgbe: support copper NIC with external PHY")
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Link: https://patch.msgid.link/20241115073508.1130046-1-jiawenwu@trustnetic.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Since the GPIO interrupt controller is always not working properly, we need
to constantly add workaround to cope with hardware deficiencies. So just
remove GPIO interrupt controller, and let the SFP driver poll the GPIO
status.
Fixes: b4a2496c17ed ("net: txgbe: fix GPIO interrupt blocking")
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Link: https://patch.msgid.link/20241115071527.1129458-1-jiawenwu@trustnetic.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Report Rx parser statistics via ethtool -S.
The parser stats are 32b, so we need to add refresh to the service
task to make sure we don't miss overflows.
Signed-off-by: Sanman Pradhan <sanman.p211993@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20241115015344.757567-6-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add PCIe hardware statistics support to the fbnic driver. These stats
provide insight into PCIe transaction performance and error conditions.
Which includes, read/write and completion TLP counts and DWORD counts and
debug counters for tag, completion credit and NP credit exhaustion
The stats are exposed via debugfs and can be used to monitor PCIe
performance and debug PCIe issues.
Signed-off-by: Sanman Pradhan <sanman.p211993@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20241115015344.757567-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add the usual debugfs structure:
fbnic/
$pci-id/
device-fileA
device-fileB
This patch only adds the directories, subsequent changes
will add files.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20241115015344.757567-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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While adding the SPDX headers I noticed we're also missing
a header guard.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20241115015344.757567-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Paolo noticed that we are missing SPDX headers, add them.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20241115015344.757567-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We use pcim_enable_device(), there is no need to call pci_disable_device().
Fixes: 546dd90be979 ("eth: fbnic: Add scaffolding for Meta's NIC driver")
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241115014809.754860-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Since '1 << rocker_port->pport' may be undefined for port >= 32,
cast the left operand to 'unsigned long long' like it's done in
'rocker_port_set_enable()' above. Compile tested only.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Link: https://patch.msgid.link/20241114151946.519047-1-dmantipov@yandex.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Because optimizing the power consumption of t7XX,
change auto suspend time to 5000.
The Tests uses a script to loop through the power_state
of t7XX.
(for example: /sys/bus/pci/devices/0000\:72\:00.0/power_state)
* If Auto suspend is 20 seconds,
test script show power_state have 0~5% of the time was in D3 state
when host don't have data packet transmission.
* Changed auto suspend time to 5 seconds,
test script show power_state have 50%~80% of the time was in D3 state
when host don't have data packet transmission.
We tested Fibocom FM350 and our products using the t7xx and they all
benefited from this.
Signed-off-by: Jack Wu <wojackbb@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Link: https://patch.msgid.link/20241114102002.481081-1-wojackbb@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- a series for booting as a PVH guest, doing some cleanups after the
previous work to make PVH boot code position independent
- a fix of the xenbus driver avoiding a leak in an error case
* tag 'for-linus-6.13-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: Fix the issue of resource not being properly released in xenbus_dev_probe()
x86/pvh: Avoid absolute symbol references in .head.text
x86/xen: Avoid relocatable quantities in Xen ELF notes
x86/pvh: Omit needless clearing of phys_base
x86/pvh: Use correct size value in GDT descriptor
x86/pvh: Call C code via the kernel virtual mapping
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
- Support for running Linux in a protected VM under the Arm
Confidential Compute Architecture (CCA)
- Guarded Control Stack user-space support. Current patches follow the
x86 ABI of implicitly creating a shadow stack on clone(). Subsequent
patches (already on the list) will add support for clone3() allowing
finer-grained control of the shadow stack size and placement from
libc
- AT_HWCAP3 support (not running out of HWCAP2 bits yet but we are
getting close with the upcoming dpISA support)
- Other arch features:
- In-kernel use of the memcpy instructions, FEAT_MOPS (previously
only exposed to user; uaccess support not merged yet)
- MTE: hugetlbfs support and the corresponding kselftests
- Optimise CRC32 using the PMULL instructions
- Support for FEAT_HAFT enabling ARCH_HAS_NONLEAF_PMD_YOUNG
- Optimise the kernel TLB flushing to use the range operations
- POE/pkey (permission overlays): further cleanups after bringing
the signal handler in line with the x86 behaviour for 6.12
- arm64 perf updates:
- Support for the NXP i.MX91 PMU in the existing IMX driver
- Support for Ampere SoCs in the Designware PCIe PMU driver
- Support for Marvell's 'PEM' PCIe PMU present in the 'Odyssey' SoC
- Support for Samsung's 'Mongoose' CPU PMU
- Support for PMUv3.9 finer-grained userspace counter access
control
- Switch back to platform_driver::remove() now that it returns
'void'
- Add some missing events for the CXL PMU driver
- Miscellaneous arm64 fixes/cleanups:
- Page table accessors cleanup: type updates, drop unused macros,
reorganise arch_make_huge_pte() and clean up pte_mkcont(), sanity
check addresses before runtime P4D/PUD folding
- Command line override for ID_AA64MMFR0_EL1.ECV (advertising the
FEAT_ECV for the generic timers) allowing Linux to boot with
firmware deployments that don't set SCTLR_EL3.ECVEn
- ACPI/arm64: tighten the check for the array of platform timer
structures and adjust the error handling procedure in
gtdt_parse_timer_block()
- Optimise the cache flush for the uprobes xol slot (skip if no
change) and other uprobes/kprobes cleanups
- Fix the context switching of tpidrro_el0 when kpti is enabled
- Dynamic shadow call stack fixes
- Sysreg updates
- Various arm64 kselftest improvements
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (168 commits)
arm64: tls: Fix context-switching of tpidrro_el0 when kpti is enabled
kselftest/arm64: Try harder to generate different keys during PAC tests
kselftest/arm64: Don't leak pipe fds in pac.exec_sign_all()
arm64/ptrace: Clarify documentation of VL configuration via ptrace
kselftest/arm64: Corrupt P0 in the irritator when testing SSVE
acpi/arm64: remove unnecessary cast
arm64/mm: Change protval as 'pteval_t' in map_range()
kselftest/arm64: Fix missing printf() argument in gcs/gcs-stress.c
kselftest/arm64: Add FPMR coverage to fp-ptrace
kselftest/arm64: Expand the set of ZA writes fp-ptrace does
kselftets/arm64: Use flag bits for features in fp-ptrace assembler code
kselftest/arm64: Enable build of PAC tests with LLVM=1
kselftest/arm64: Check that SVCR is 0 in signal handlers
selftests/mm: Fix unused function warning for aarch64_write_signal_pkey()
kselftest/arm64: Fix printf() compiler warnings in the arm64 syscall-abi.c tests
kselftest/arm64: Fix printf() warning in the arm64 MTE prctl() test
kselftest/arm64: Fix printf() compiler warnings in the arm64 fp tests
kselftest/arm64: Fix build with stricter assemblers
arm64/scs: Drop unused prototype __pi_scs_patch_vmlinux()
arm64/scs: Deal with 64-bit relative offsets in FDE frames
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
"Just cleanups and fixes"
* tag 'mips_6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
mips: dts: realtek: Add I2C controllers
mips: dts: realtek: Add syscon-reboot node
MIPS: loongson3_defconfig: Enable blk_dev_nvme by default
MIPS: loongson3_defconfig: Update configs dependencies
MAINTAINERS: Remove linux-mips.org references
MAINTAINERS: Retire Ralf Baechle
TC: Fix the wrong format specifier
MIPS: kernel: proc: Use str_yes_no() helper function
MIPS: mobileye: eyeq6h-epm6: Use eyeq6h in the board device tree
mips: bmips: bcm6358/6368: define required brcm,bmips-cbr-reg
MIPS: Allow using more than 32-bit addresses for reset vectors when possible
mips: asm: fix warning when disabling MIPS_FP_SUPPORT
mips: sgi-ip22: Replace "s[n]?printf" with sysfs_emit in sysfs callbacks
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Heiko Carstens:
- Add firmware sysfs interface which allows user space to retrieve the
dump area size of the machine
- Add 'measurement_chars_full' CHPID sysfs attribute to make the
complete associated Channel-Measurements Characteristics Block
available
- Add virtio-mem support
- Move gmap aka KVM page fault handling from the main fault handler to
KVM code. This is the first step to make s390 KVM page fault handling
similar to other architectures. With this first step the main fault
handler does not have any special handling anymore, and therefore
convert it to support LOCK_MM_AND_FIND_VMA
- With gcc 14 s390 support for flag output operand support for inline
assemblies was added. This allows for several optimizations:
- Provide a cmpxchg inline assembly which makes use of this, and
provide all variants of arch_try_cmpxchg() so that the compiler
can generate slightly better code
- Convert a few cmpxchg() loops to try_cmpxchg() loops
- Similar to x86 add a CC_OUT() helper macro (and other macros),
and convert all inline assemblies to make use of them, so that
depending on compiler version better code can be generated
- List installed host-key hashes in sysfs if the machine supports the
Query Ultravisor Keys UVC
- Add 'Retrieve Secret' ioctl which allows user space in protected
execution guests to retrieve previously stored secrets from the
Ultravisor
- Add pkey-uv module which supports the conversion of Ultravisor
retrievable secrets to protected keys
- Extend the existing paes cipher to exploit the full AES-XTS hardware
acceleration introduced with message-security assist extension 10
- Convert hopefully all sysfs show functions to use sysfs_emit() so
that the constant flow of such patches stop
- For PCI devices make use of the newly added Topology ID attribute to
enable whole card multi-function support despite the change to PCHID
per port. Additionally improve the overall robustness and usability
of the multifunction support
- Various other small improvements, fixes, and cleanups
* tag 's390-6.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (133 commits)
s390/cio/ioasm: Convert to use flag output macros
s390/cio/qdio: Convert to use flag output macros
s390/sclp: Convert to use flag output macros
s390/dasd: Convert to use flag output macros
s390/boot/physmem: Convert to use flag output macros
s390/pci: Convert to use flag output macros
s390/kvm: Convert to use flag output macros
s390/extmem: Convert to use flag output macros
s390/string: Convert to use flag output macros
s390/diag: Convert to use flag output macros
s390/irq: Convert to use flag output macros
s390/smp: Convert to use flag output macros
s390/uv: Convert to use flag output macros
s390/pai: Convert to use flag output macros
s390/mm: Convert to use flag output macros
s390/cpu_mf: Convert to use flag output macros
s390/cpcmd: Convert to use flag output macros
s390/topology: Convert to use flag output macros
s390/time: Convert to use flag output macros
s390/pageattr: Convert to use flag output macros
...
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Pull block updates from Jens Axboe:
- NVMe updates via Keith:
- Use uring_cmd helper (Pavel)
- Host Memory Buffer allocation enhancements (Christoph)
- Target persistent reservation support (Guixin)
- Persistent reservation tracing (Guixen)
- NVMe 2.1 specification support (Keith)
- Rotational Meta Support (Matias, Wang, Keith)
- Volatile cache detection enhancment (Guixen)
- MD updates via Song:
- Maintainers update
- raid5 sync IO fix
- Enhance handling of faulty and blocked devices
- raid5-ppl atomic improvement
- md-bitmap fix
- Support for manually defining embedded partition tables
- Zone append fixes and cleanups
- Stop sending the queued requests in the plug list to the driver
->queue_rqs() handle in reverse order.
- Zoned write plug cleanups
- Cleanups disk stats tracking and add support for disk stats for
passthrough IO
- Add preparatory support for file system atomic writes
- Add lockdep support for queue freezing. Already found a bunch of
issues, and some fixes for that are in here. More will be coming.
- Fix race between queue stopping/quiescing and IO queueing
- ublk recovery improvements
- Fix ublk mmap for 64k pages
- Various fixes and cleanups
* tag 'for-6.13/block-20241118' of git://git.kernel.dk/linux: (118 commits)
MAINTAINERS: Update git tree for mdraid subsystem
block: make struct rq_list available for !CONFIG_BLOCK
block/genhd: use seq_put_decimal_ull for diskstats decimal values
block: don't reorder requests in blk_mq_add_to_batch
block: don't reorder requests in blk_add_rq_to_plug
block: add a rq_list type
block: remove rq_list_move
virtio_blk: reverse request order in virtio_queue_rqs
nvme-pci: reverse request order in nvme_queue_rqs
btrfs: validate queue limits
block: export blk_validate_limits
nvmet: add tracing of reservation commands
nvme: parse reservation commands's action and rtype to string
nvmet: report ns's vwc not present
md/raid5: Increase r5conf.cache_name size
block: remove the ioprio field from struct request
block: remove the write_hint field from struct request
nvme: check ns's volatile write cache not present
nvme: add rotational support
nvme: use command set independent id ns if available
...
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git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata updates from Niklas Cassel:
- Fix typos in comments (Yan Zhen)
- Remove unused macro definitions (Damien Le Moal)
- Switch back to the .remove() callback (Uwe Kleine-König)
- Make use of the get_unaligned_be24() helper instead of open coding
(Andy Shevchenko)
- Refactor and cleanup ata_scsi_simulate() command emulation, such that
all commands use ata_scsi_rbuf_fill() with its own callback (Damien
Le Moal)
- Improve ata_scsi_simulate() command emulation by accurately setting
the SCSI command residual (number of bytes not filled) in the command
reply (Damien Le Moal)
- Add missing iommus property in ahci-platform device tree binding
(Frank Wunderlich)
* tag 'ata-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
dt-bindings: ata: ahci-platform: add missing iommus property
ata: libata-scsi: Return residual for emulated SCSI commands
ata: libata-scsi: Remove struct ata_scsi_args
ata: libata-scsi: Document all VPD page inquiry actors
ata: libata-scsi: Refactor ata_scsiop_maint_in()
ata: libata-scsi: Refactor ata_scsiop_read_cap()
ata: libata-scsi: Refactor ata_scsi_simulate()
ata: libata-scsi: Refactor scsi_6_lba_len() with use of get_unaligned_be24()
ata: Switch back to struct platform_driver::remove()
ata: libata: Remove unused macro definitions
ata: Fix typos in the comment
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Instead of risking alignment problems and causing (false positive) array
bound warnings when casting a u32 to (64-bit) unsigned long, just use a
native unsigned long for doing bit searches. Avoids warning with GCC 15's
-Warray-bounds -fdiagnostics-details:
In file included from ../include/linux/bitmap.h:11,
from ../include/linux/cpumask.h:12,
from ../arch/x86/include/asm/paravirt.h:21,
from ../arch/x86/include/asm/irqflags.h:80,
from ../include/linux/irqflags.h:18,
from ../include/linux/spinlock.h:59,
from ../include/linux/irq.h:14,
from ../include/linux/irqchip/chained_irq.h:10,
from ../include/linux/gpio/driver.h:8,
from ../drivers/pinctrl/mediatek/pinctrl-airoha.c:11:
In function 'find_next_bit',
inlined from 'airoha_irq_handler' at ../drivers/pinctrl/mediatek/pinctrl-airoha.c:2394:3:
../include/linux/find.h:65:23: error: array subscript 'long unsigned int[0]' is partly outside array bounds of 'u32[1]' {aka 'unsigned int[1]'} [-Werror=array-bounds=]
65 | val = *addr & GENMASK(size - 1, offset);
| ^~~~~
../drivers/pinctrl/mediatek/pinctrl-airoha.c: In function 'airoha_irq_handler':
../drivers/pinctrl/mediatek/pinctrl-airoha.c:2387:21: note: object 'status' of size 4
2387 | u32 status;
| ^~~~~~
Signed-off-by: Kees Cook <kees@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/20241117114534.work.292-kees@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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When the temporary macro K210_PC_DEFAULT is not needed anymore,
use its name in the #undef statement instead of
the incorrect "DEFAULT" name.
Fixes: d4c34d09ab03 ("pinctrl: Add RISC-V Canaan Kendryte K210 FPIOA driver")
Signed-off-by: zhang jiao <zhangjiao2@cmss.chinamobile.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/20241113071201.5440-1-zhangjiao2@cmss.chinamobile.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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- improvement of the way hid-bpf coexists with specific drivers (others than
hid-generic) that are already bound to devices (Benjamin Tissoires)
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- removal of three way-too-aggressive BUG_ON()s from HID drivers (He Lugang)
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- assorted cleanups and small code fixes (Dmitry Torokhov, Yan Zhen,
Nathan Chancellor, Andy Shevchenko)
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- support for Corsair Void headset family (Stuart Hayhurst)
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- Support for Goodix GT7986U SPI (Charles Wang)
- assorted code cleanups and fixes (Charles Wang)
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- code cleanup (Uwe Kleine-König)
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- exposing firmware versions for Intel-ISH devices that load
firmware from the host (Zhang Lixu)
- switch to flex-array members (Erick Archer)
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- initial vendor-specific driver for Kysona, currently adding support for
Kysona M600 (Lode Willems)
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- unused variable removal in hidpp_root_get_feature() (Bastien Nocera)
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- code cleanup for mt_set_mode() (Dmitry Torokhov)
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mt_set_mode() accepts 2 boolean switches indicating whether the device
(if it follows Windows Precision Touchpad specification) should report
hardware buttons and/or surface contacts. For a casual reader it is
completely not clear, as they look at the call site, which exact mode
is being requested.
Define report_mode enum and change mt_set_mode() to accept is as
an argument instead. This allows to write:
mt_set_modes(hdev, HID_LATENCY_NORMAL, TOUCHPAD_REPORT_ALL);
or
mt_set_modes(hdev, HID_LATENCY_HIGH, TOUCHPAD_REPORT_BUTTONS);
which makes intent much more clear.
Reviewed-by: Benjamin Tissoires <bentiss@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://patch.msgid.link/Zx_hBvg5Qa3KU3ta@google.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
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- bugfixes for Steelseries Arctis 1 battery level handling (Bastien Nocera)
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- Sanitization of BTN_TOOL_RUBBER handling (Jason Gerecke)
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Pull 'struct fd' class updates from Al Viro:
"The bulk of struct fd memory safety stuff
Making sure that struct fd instances are destroyed in the same scope
where they'd been created, getting rid of reassignments and passing
them by reference, converting to CLASS(fd{,_pos,_raw}).
We are getting very close to having the memory safety of that stuff
trivial to verify"
* tag 'pull-fd' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (28 commits)
deal with the last remaing boolean uses of fd_file()
css_set_fork(): switch to CLASS(fd_raw, ...)
memcg_write_event_control(): switch to CLASS(fd)
assorted variants of irqfd setup: convert to CLASS(fd)
do_pollfd(): convert to CLASS(fd)
convert do_select()
convert vfs_dedupe_file_range().
convert cifs_ioctl_copychunk()
convert media_request_get_by_fd()
convert spu_run(2)
switch spufs_calls_{get,put}() to CLASS() use
convert cachestat(2)
convert do_preadv()/do_pwritev()
fdget(), more trivial conversions
fdget(), trivial conversions
privcmd_ioeventfd_assign(): don't open-code eventfd_ctx_fdget()
o2hb_region_dev_store(): avoid goto around fdget()/fdput()
introduce "fd_pos" class, convert fdget_pos() users to it.
fdget_raw() users: switch to CLASS(fd_raw)
convert vmsplice() to CLASS(fd)
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs file updates from Christian Brauner:
"This contains changes the changes for files for this cycle:
- Introduce a new reference counting mechanism for files.
As atomic_inc_not_zero() is implemented with a try_cmpxchg() loop
it has O(N^2) behaviour under contention with N concurrent
operations and it is in a hot path in __fget_files_rcu().
The rcuref infrastructures remedies this problem by using an
unconditional increment relying on safe- and dead zones to make
this work and requiring rcu protection for the data structure in
question. This not just scales better it also introduces overflow
protection.
However, in contrast to generic rcuref, files require a memory
barrier and thus cannot rely on *_relaxed() atomic operations and
also require to be built on atomic_long_t as having massive amounts
of reference isn't unheard of even if it is just an attack.
This adds a file specific variant instead of making this a generic
library.
This has been tested by various people and it gives consistent
improvement up to 3-5% on workloads with loads of threads.
- Add a fastpath for find_next_zero_bit(). Skip 2-levels searching
via find_next_zero_bit() when there is a free slot in the word that
contains the next fd. This improves pts/blogbench-1.1.0 read by 8%
and write by 4% on Intel ICX 160.
- Conditionally clear full_fds_bits since it's very likely that a bit
in full_fds_bits has been cleared during __clear_open_fds(). This
improves pts/blogbench-1.1.0 read up to 13%, and write up to 5% on
Intel ICX 160.
- Get rid of all lookup_*_fdget_rcu() variants. They were used to
lookup files without taking a reference count. That became invalid
once files were switched to SLAB_TYPESAFE_BY_RCU and now we're
always taking a reference count. Switch to an already existing
helper and remove the legacy variants.
- Remove pointless includes of <linux/fdtable.h>.
- Avoid cmpxchg() in close_files() as nobody else has a reference to
the files_struct at that point.
- Move close_range() into fs/file.c and fold __close_range() into it.
- Cleanup calling conventions of alloc_fdtable() and expand_files().
- Merge __{set,clear}_close_on_exec() into one.
- Make __set_open_fd() set cloexec as well instead of doing it in two
separate steps"
* tag 'vfs-6.13.file' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
selftests: add file SLAB_TYPESAFE_BY_RCU recycling stressor
fs: port files to file_ref
fs: add file_ref
expand_files(): simplify calling conventions
make __set_open_fd() set cloexec state as well
fs: protect backing files with rcu
file.c: merge __{set,clear}_close_on_exec()
alloc_fdtable(): change calling conventions.
fs/file.c: add fast path in find_next_fd()
fs/file.c: conditionally clear full_fds
fs/file.c: remove sanity_check and add likely/unlikely in alloc_fd()
move close_range(2) into fs/file.c, fold __close_range() into it
close_files(): don't bother with xchg()
remove pointless includes of <linux/fdtable.h>
get rid of ...lookup...fdget_rcu() family
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If the device supports SGLs, use these for all user requests. This
format encodes the expected transfer length so it can catch short buffer
errors in a user command, whether it occurred accidently or maliciously.
For controllers that support SGL data mode, this is a viable mitigation
to CVE-2023-6238. For controllers that don't support SGLs, log a warning
in the passthrough path since not having the capability can corrupt
data if the interface is not used correctly.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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In addition to a primary endpoint controller, an endpoint function may be
associated with a secondary endpoint controller, epf->sec_epc, to provide
NTB (non-transparent bridge) functionality.
Previously, pci_epc_remove_epf() incorrectly cleared epf->epc instead of
epf->sec_epc when removing from the secondary endpoint controller.
Extend the epc->list_lock coverage and clear either epf->epc or
epf->sec_epc as indicated.
Link: https://lore.kernel.org/r/20241107-epc_rfc-v2-2-da5b6a99a66f@quicinc.com
Fixes: 63840ff53223 ("PCI: endpoint: Add support to associate secondary EPC with EPF")
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
[mani: reworded subject and description]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
[bhelgaas: commit log]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Cc: stable@vger.kernel.org
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This provides a little more context when reading the code than hardcoded
magic numbers.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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Supporting this mode allows creating and merging multi-segment metadata
requests that wouldn't be possible otherwise. It also allows directly
using user space requests that straddle physically discontiguous pages.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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pci_epc_destroy() invokes pci_bus_release_domain_nr() to release the PCI
domain ID, but there are two issues:
- 'epc->dev' is passed to pci_bus_release_domain_nr() which was already
freed by device_unregister(), leading to a use-after-free issue.
- Domain ID corresponds to the EPC device parent, so passing 'epc->dev'
is also wrong.
Fix these issues by passing 'epc->dev.parent' to
pci_bus_release_domain_nr() and also do it before device_unregister().
Fixes: 0328947c5032 ("PCI: endpoint: Assign PCI domain number for endpoint controllers")
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20241107-epc_rfc-v2-1-da5b6a99a66f@quicinc.com
[mani: reworded subject and description]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Cc: stable@vger.kernel.org
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The code currently uses list_for_each_entry_rcu() while holding an SRCU
lock, triggering false positive warnings with CONFIG_PROVE_RCU=y
enabled:
drivers/nvme/host/multipath.c:168 RCU-list traversed in non-reader section!!
drivers/nvme/host/multipath.c:227 RCU-list traversed in non-reader section!!
drivers/nvme/host/multipath.c:260 RCU-list traversed in non-reader section!!
While the list is properly protected by SRCU lock, the code uses the
wrong list traversal primitive. Replace list_for_each_entry_rcu() with
list_for_each_entry_srcu() to correctly indicate SRCU-based protection
and eliminate the false warning.
Signed-off-by: Breno Leitao <leitao@debian.org>
Fixes: be647e2c76b2 ("nvme: use srcu for iterating namespace list")
Signed-off-by: Keith Busch <kbusch@kernel.org>
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All FTSMPS525 regulators support LV and MV ranges; however,
the boot loader firmware will determine which range to use as
the device boots.
Nonetheless, the driver cannot determine which range was selected,
so hardcoding the ranges as either LV or MV will not cover all cases
as it's possible for the firmware to select a range not supported by
the driver's current hardcoded values.
To this end, combine the ranges for the FTSMPS525s into one struct
and point all regulators to the updated combined struct. This should
work on all boards regardless of which range is selected by the firmware
and more accurately caputres the capability of this regulator on a
hardware level.
Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patch.msgid.link/20241112002645.2803506-1-quic_molvera@quicinc.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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