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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.11
Most likely the last "new features" pull request for v6.11 with
changes both in stack and in drivers. The big thing is the multiple
radios for wiphy feature which makes it possible to better advertise
radio capabilities to user space. mt76 enabled MLO and iwlwifi
re-enabled MLO, ath12k and rtw89 Wi-Fi 6 devices got WoWLAN support.
Major changes:
cfg80211/mac80211
* remove DEAUTH_NEED_MGD_TX_PREP flag
* multiple radios per wiphy support
mac80211_hwsim
* multi-radio wiphy support
ath12k
* DebugFS support for datapath statistics
* WCN7850: support for WoW (Wake on WLAN)
* WCN7850: device-tree bindings
ath11k
* QCA6390: device-tree bindings
iwlwifi
* mvm: re-enable Multi-Link Operation (MLO)
* aggregation (A-MSDU) optimisations
rtw89
* preparation for RTL8852BE-VT support
* WoWLAN support for WiFi 6 chips
* 36-bit PCI DMA support
mt76
* mt7925 Multi-Link Operation (MLO) support
* tag 'wireless-next-2024-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (204 commits)
wifi: mac80211: fix AP chandef capturing in CSA
wifi: iwlwifi: correctly reference TSO page information
wifi: mt76: mt792x: fix scheduler interference in drv own process
wifi: mt76: mt7925: enabling MLO when the firmware supports it
wifi: mt76: mt7925: remove the unused mt7925_mcu_set_chan_info
wifi: mt76: mt7925: update mt7925_mac_link_bss_add for MLO
wifi: mt76: mt7925: update mt7925_mcu_bss_basic_tlv for MLO
wifi: mt76: mt7925: update mt7925_mcu_set_timing for MLO
wifi: mt76: mt7925: update mt7925_mcu_sta_phy_tlv for MLO
wifi: mt76: mt7925: update mt7925_mcu_sta_rate_ctrl_tlv for MLO
wifi: mt76: mt7925: add mt7925_mcu_sta_eht_mld_tlv for MLO
wifi: mt76: mt7925: update mt7925_mcu_sta_update for MLO
wifi: mt76: mt7925: update mt7925_mcu_add_bss_info for MLO
wifi: mt76: mt7925: update mt7925_mcu_bss_mld_tlv for MLO
wifi: mt76: mt7925: update mt7925_mcu_sta_mld_tlv for MLO
wifi: mt76: mt7925: add mt7925_[assign,unassign]_vif_chanctx
wifi: mt76: add def_wcid to struct mt76_wcid
wifi: mt76: mt7925: report link information in rx status
wifi: mt76: mt7925: update rate index according to link id
wifi: mt76: mt7925: add link handling in the mt7925_ipv6_addr_change
...
====================
Link: https://patch.msgid.link/20240711102353.0C849C116B1@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The response code of IOMMUFD_PAGE_RESP_FAILURE was defined to be
equivalent to the "Response Failure" in PCI spec, section 10.4.2.1.
This response code indicates that one or more pages within the
associated request group have encountered or caused an unrecoverable
error. Therefore, this response disables the PRI at the function.
Modern I/O virtualization technologies, like SR-IOV, share PRI among
the assignable device units. Therefore, a response failure on one unit
might cause I/O failure on other units.
Remove this response code so that user space can only respond with
SUCCESS or INVALID. The VMM is recommended to emulate a failure response
as a PRI reset, or PRI disable and changing to a non-PRI domain.
Fixes: c714f15860fc ("iommufd: Add fault and response message definitions")
Link: https://lore.kernel.org/r/20240710083341.44617-2-baolu.lu@linux.intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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The only managed mapping function currently is pcim_iomap() which doesn't
allow for mapping an area starting at a certain offset, which many drivers
want.
Add pcim_iomap_range() as an exported function.
Link: https://lore.kernel.org/r/20240613115032.29098-13-pstanner@redhat.com
Signed-off-by: Philipp Stanner <pstanner@redhat.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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PCI subfunctions (SF) are anchored on the auxiliary bus. PCI physical
and virtual functions are anchored on the PCI bus. The irq information
of each such function is visible to users via sysfs directory "msi_irqs"
containing files for each irq entry. However, for PCI SFs such
information is unavailable. Due to this users have no visibility on IRQs
used by the SFs.
Secondly, an SF can be multi function device supporting rdma, netdevice
and more. Without irq information at the bus level, the user is unable
to view or use the affinity of the SF IRQs.
Hence to match to the equivalent PCI PFs and VFs, add "irqs" directory,
for supporting auxiliary devices, containing file for each irq entry.
For example:
$ ls /sys/bus/auxiliary/devices/mlx5_core.sf.1/irqs/
50 51 52 53 54 55 56 57 58
Cc: Simon Horman <horms@kernel.org>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
v9-v10:
- remove Przemek RB
- add name field to auxiliary_irq_info (Greg and Przemek)
- handle bogus IRQ in auxiliary_device_sysfs_irq_remove (Greg)
v8-v9:
- add Przemek RB
- use guard() in auxiliary_irq_dir_prepare (Paolo)
v7-v8:
- use cleanup.h for info and name fields (Greg)
- correct error flow in auxiliary_irq_dir_prepare (Przemek)
- add documentation for new fields of auxiliary_device (Simon)
v6-v7:
- dynamically creating irqs directory when first irq file created (Greg)
- removed irqs flag and simplified the dev_add() API (Greg)
- move sysfs related new code to a new auxiliary_sysfs.c file (Greg)
v5-v6:
- removed concept of shared and exclusive and hence global xarray (Greg)
v4-v5:
- restore global mutex and replace refcount_t with simple integer (Greg)
v3->4:
- remove global mutex (Przemek)
v2->v3:
- fix function declaration in case SYSFS isn't defined
v1->v2:
- move #ifdefs from drivers/base/auxiliary.c to
include/linux/auxiliary_bus.h (Greg)
- use EXPORT_SYMBOL_GPL instead of EXPORT_SYMBOL (Greg)
- Fix kzalloc(ref) to kzalloc(*ref) (Simon)
- Add return description in auxiliary_device_sysfs_irq_add() kdoc (Simon)
- Fix auxiliary_irq_mode_show doc (kernel test boot)
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Cross-merge networking fixes after downstream PR.
Conflicts:
net/sched/act_ct.c
26488172b029 ("net/sched: Fix UAF when resolving a clash")
3abbd7ed8b76 ("act_ct: prepare for stolen verdict coming from conntrack and nat engine")
No adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"This fixes two regressions that have been bubbling along for a large
part of this release.
One is a revert of the multi mode support for the OMAP SPI controller,
this introduced regressions on a number of systems and while there has
been progress on fixing those we've not got something that works for
everyone yet so let's just drop the change for now.
The other is a series of fixes from David Lechner for his recent
message optimisation work, this interacted badly with spi-mux which
is altogether too clever with recursive use of the bus and creates
situations that hadn't been considered.
There are also a couple of small driver specific fixes, including one
more patch from David for sleep duration calculations in the AXI
driver"
* tag 'spi-fix-v6.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: mux: set ctlr->bits_per_word_mask
spi: add defer_optimize_message controller flag
spi: don't unoptimize message in spi_async()
spi: omap2-mcspi: Revert multi mode support
spi: davinci: Unset POWERDOWN bit when releasing resources
spi: axi-spi-engine: fix sleep calculation
spi: imx: Don't expect DMA for i.MX{25,35,50,51,53} cspi devices
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* for-next/vcpu-hotplug: (21 commits)
: arm64 support for virtual CPU hotplug (ACPI)
irqchip/gic-v3: Fix 'broken_rdists' unused warning when !SMP and !ACPI
arm64: Kconfig: Fix dependencies to enable ACPI_HOTPLUG_CPU
cpumask: Add enabled cpumask for present CPUs that can be brought online
arm64: document virtual CPU hotplug's expectations
arm64: Kconfig: Enable hotplug CPU on arm64 if ACPI_PROCESSOR is enabled.
arm64: arch_register_cpu() variant to check if an ACPI handle is now available.
arm64: psci: Ignore DENIED CPUs
irqchip/gic-v3: Add support for ACPI's disabled but 'online capable' CPUs
irqchip/gic-v3: Don't return errors from gic_acpi_match_gicc()
arm64: acpi: Harden get_cpu_for_acpi_id() against missing CPU entry
arm64: acpi: Move get_cpu_for_acpi_id() to a header
ACPI: Add post_eject to struct acpi_scan_handler for cpu hotplug
ACPI: scan: switch to flags for acpi_scan_check_and_detach()
ACPI: processor: Register deferred CPUs from acpi_processor_get_info()
ACPI: processor: Add acpi_get_processor_handle() helper
ACPI: processor: Move checks and availability of acpi_processor earlier
ACPI: processor: Fix memory leaks in error paths of processor_add()
ACPI: processor: Return an error if acpi_processor_get_info() fails in processor_add()
ACPI: processor: Drop duplicated check on _STA (enabled + present)
cpu: Do not warn on arch_register_cpu() returning -EPROBE_DEFER
...
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'for-next/mte', 'for-next/errata', 'for-next/acpi', 'for-next/gic-v3-pmr' and 'for-next/doc', remote-tracking branch 'arm64/for-next/perf' into for-next/core
* arm64/for-next/perf:
perf: add missing MODULE_DESCRIPTION() macros
perf: arm_pmuv3: Include asm/arm_pmuv3.h from linux/perf/arm_pmuv3.h
perf: arm_v6/7_pmu: Drop non-DT probe support
perf/arm: Move 32-bit PMU drivers to drivers/perf/
perf: arm_pmuv3: Drop unnecessary IS_ENABLED(CONFIG_ARM64) check
perf: arm_pmuv3: Avoid assigning fixed cycle counter with threshold
perf: imx_perf: add support for i.MX95 platform
perf: imx_perf: fix counter start and config sequence
perf: imx_perf: refactor driver for imx93
perf: imx_perf: let the driver manage the counter usage rather the user
perf: imx_perf: add macro definitions for parsing config attr
dt-bindings: perf: fsl-imx-ddr: Add i.MX95 compatible
perf: pmuv3: Add new Cortex and Neoverse PMUs
dt-bindings: arm: pmu: Add new Cortex and Neoverse cores
perf/arm-cmn: Enable support for tertiary match group
perf/arm-cmn: Decouple wp_config registers from filter group number
* for-next/cpufeature:
: Various cpufeature infrastructure patches
arm64/cpufeature: Replace custom macros with fields from ID_AA64PFR0_EL1
KVM: arm64: Replace custom macros with fields from ID_AA64PFR0_EL1
arm64/cpufeatures/kvm: Add ARMv8.9 FEAT_ECBHB bits in ID_AA64MMFR1 register
* for-next/misc:
: Miscellaneous patches
arm64: smp: Fix missing IPI statistics
arm64: Cleanup __cpu_set_tcr_t0sz()
arm64/mm: Stop using ESR_ELx_FSC_TYPE during fault
arm64: Kconfig: fix typo in __builtin_return_adddress
ARM64: reloc_test: add missing MODULE_DESCRIPTION() macro
arm64: implement raw_smp_processor_id() using thread_info
arm64/arch_timer: include <linux/percpu.h>
* for-next/kselftest:
: arm64 kselftest updates
selftests: arm64: tags: remove the result script
selftests: arm64: tags_test: conform test to TAP output
kselftest/arm64: Fix a couple of spelling mistakes
kselftest/arm64: Fix redundancy of a testcase
kselftest/arm64: Include kernel mode NEON in fp-stress
* for-next/mte:
: MTE updates
arm64: mte: Make mte_check_tfsr_*() conditional on KASAN instead of MTE
* for-next/errata:
: Arm CPU errata workarounds
arm64: errata: Expand speculative SSBS workaround
arm64: errata: Unify speculative SSBS errata logic
arm64: cputype: Add Cortex-X925 definitions
arm64: cputype: Add Cortex-A720 definitions
arm64: cputype: Add Cortex-X3 definitions
* for-next/acpi:
: arm64 ACPI patches
ACPI: Add acpi=nospcr to disable ACPI SPCR as default console on ARM64
ACPI / amba: Drop unnecessary check for registered amba_dummy_clk
arm64: FFH: Move ACPI specific code into drivers/acpi/arm64/
arm64: cpuidle: Move ACPI specific code into drivers/acpi/arm64/
ACPI: arm64: Sort entries alphabetically
* for-next/gic-v3-pmr:
: arm64: irqchip/gic-v3: Use compiletime constant PMR values
arm64: irqchip/gic-v3: Select priorities at boot time
irqchip/gic-v3: Detect GICD_CTRL.DS and SCR_EL3.FIQ earlier
irqchip/gic-v3: Make distributor priorities variables
irqchip/gic-common: Remove sync_access callback
wordpart.h: Add REPEAT_BYTE_U32()
* for-next/doc:
: arm64 documentation updates
Documentation: arm64: Update memory.rst for TBI
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from bpf and netfilter.
Current release - regressions:
- core: fix rc7's __skb_datagram_iter() regression
Current release - new code bugs:
- eth: bnxt: fix crashes when reducing ring count with active RSS
contexts
Previous releases - regressions:
- sched: fix UAF when resolving a clash
- skmsg: skip zero length skb in sk_msg_recvmsg2
- sunrpc: fix kernel free on connection failure in
xs_tcp_setup_socket
- tcp: avoid too many retransmit packets
- tcp: fix incorrect undo caused by DSACK of TLP retransmit
- udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port().
- eth: ks8851: fix deadlock with the SPI chip variant
- eth: i40e: fix XDP program unloading while removing the driver
Previous releases - always broken:
- bpf:
- fix too early release of tcx_entry
- fail bpf_timer_cancel when callback is being cancelled
- bpf: fix order of args in call to bpf_map_kvcalloc
- netfilter: nf_tables: prefer nft_chain_validate
- ppp: reject claimed-as-LCP but actually malformed packets
- wireguard: avoid unaligned 64-bit memory accesses"
* tag 'net-6.10-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (33 commits)
net, sunrpc: Remap EPERM in case of connection failure in xs_tcp_setup_socket
net/sched: Fix UAF when resolving a clash
net: ks8851: Fix potential TX stall after interface reopen
udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port().
netfilter: nf_tables: prefer nft_chain_validate
netfilter: nfnetlink_queue: drop bogus WARN_ON
ethtool: netlink: do not return SQI value if link is down
ppp: reject claimed-as-LCP but actually malformed packets
selftests/bpf: Add timer lockup selftest
net: ethernet: mtk-star-emac: set mac_managed_pm when probing
e1000e: fix force smbus during suspend flow
tcp: avoid too many retransmit packets
bpf: Defer work in bpf_timer_cancel_and_free
bpf: Fail bpf_timer_cancel when callback is being cancelled
bpf: fix order of args in call to bpf_map_kvcalloc
net: ethernet: lantiq_etop: fix double free in detach
i40e: Fix XDP program unloading while removing the driver
net: fix rc7's __skb_datagram_iter()
net: ks8851: Fix deadlock with the SPI chip variant
octeontx2-af: Fix incorrect value output on error path in rvu_check_rsrc_availability()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
"cachefiles:
- Export an existing and add a new cachefile helper to be used in
filesystems to fix reference count bugs
- Use the newly added fscache_ty_get_volume() helper to get a
reference count on an fscache_volume to handle volumes that are
about to be removed cleanly
- After withdrawing a fscache_cache via FSCACHE_CACHE_IS_WITHDRAWN
wait for all ongoing cookie lookups to complete and for the object
count to reach zero
- Propagate errors from vfs_getxattr() to avoid an infinite loop in
cachefiles_check_volume_xattr() because it keeps seeing ESTALE
- Don't send new requests when an object is dropped by raising
CACHEFILES_ONDEMAND_OJBSTATE_DROPPING
- Cancel all requests for an object that is about to be dropped
- Wait for the ondemand_boject_worker to finish before dropping a
cachefiles object to prevent use-after-free
- Use cyclic allocation for message ids to better handle id recycling
- Add missing lock protection when iterating through the xarray when
polling
netfs:
- Use standard logging helpers for debug logging
VFS:
- Fix potential use-after-free in file locks during
trace_posix_lock_inode(). The tracepoint could fire while another
task raced it and freed the lock that was requested to be traced
- Only increment the nr_dentry_negative counter for dentries that are
present on the superblock LRU. Currently, DCACHE_LRU_LIST list is
used to detect this case. However, the flag is also raised in
combination with DCACHE_SHRINK_LIST to indicate that dentry->d_lru
is used. So checking only DCACHE_LRU_LIST will lead to wrong
nr_dentry_negative count. Fix the check to not count dentries that
are on a shrink related list
Misc:
- hfsplus: fix an uninitialized value issue in copy_name
- minix: fix minixfs_rename with HIGHMEM. It still uses kunmap() even
though we switched it to kmap_local_page() a while ago"
* tag 'vfs-6.10-rc8.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
minixfs: Fix minixfs_rename with HIGHMEM
hfsplus: fix uninit-value in copy_name
vfs: don't mod negative dentry count when on shrinker list
filelock: fix potential use-after-free in posix_lock_inode
cachefiles: add missing lock protection when polling
cachefiles: cyclic allocation of msg_id to avoid reuse
cachefiles: wait for ondemand_object_worker to finish when dropping object
cachefiles: cancel all requests for the object that is being dropped
cachefiles: stop sending new request when dropping object
cachefiles: propagate errors from vfs_getxattr() to avoid infinite loop
cachefiles: fix slab-use-after-free in cachefiles_withdraw_cookie()
cachefiles: fix slab-use-after-free in fscache_withdraw_volume()
netfs, fscache: export fscache_put_volume() and add fscache_try_get_volume()
netfs: Switch debug logging to pr_debug()
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The macro set_fixmap_offset_io() was added in commit f774b7d10e21
("arm64: fixmap: fix missing sub-page offset for earlyprintk") but then
commit 8ef0ed95ee04 ("arm64: remove arch specific earlyprintk") removed
the file causing the only user to be removed when the two commits were
merged. Since this has never been used again since the v3.15 release
remove it.
Signed-off-by: Steven Price <steven.price@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The caching mode for buffer objects with VRAM as a possible
placement was forced to write-combined, regardless of placement.
However, write-combined system memory is expensive to allocate and
even though it is pooled, the pool is expensive to shrink, since
it involves global CPU TLB flushes.
Moreover write-combined system memory from TTM is only reliably
available on x86 and DGFX doesn't have an x86 restriction.
So regardless of the cpu caching mode selected for a bo,
internally use write-back caching mode for system memory on DGFX.
Coherency is maintained, but user-space clients may perceive a
difference in cpu access speeds.
v2:
- Update RB- and Ack tags.
- Rephrase wording in xe_drm.h (Matt Roper)
v3:
- Really rephrase wording.
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Fixes: 622f709ca629 ("drm/xe/uapi: Add support for CPU caching mode")
Cc: Pallavi Mishra <pallavi.mishra@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: dri-devel@lists.freedesktop.org
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Effie Yu <effie.yu@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Jose Souza <jose.souza@intel.com>
Cc: Michal Mrozek <michal.mrozek@intel.com>
Cc: <stable@vger.kernel.org> # v6.8+
Acked-by: Matthew Auld <matthew.auld@intel.com>
Acked-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Fixes: 622f709ca629 ("drm/xe/uapi: Add support for CPU caching mode")
Acked-by: Michal Mrozek <michal.mrozek@intel.com>
Acked-by: Effie Yu <effie.yu@intel.com> #On chat
Link: https://patchwork.freedesktop.org/patch/msgid/20240705132828.27714-1-thomas.hellstrom@linux.intel.com
(cherry picked from commit 01e0cfc994be484ddcb9e121e353e51d8bb837c0)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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We store the progress (root and inode numbers) of the extent map shrinker
in fs_info without any synchronization but we can have multiple tasks
calling into the shrinker during memory allocations when there's enough
memory pressure for example.
This can result in a task A reading fs_info->extent_map_shrinker_last_ino
after another task B updates it, and task A reading
fs_info->extent_map_shrinker_last_root before task B updates it, making
task A see an odd state that isn't necessarily harmful but may make it
skip certain inode ranges or do more work than necessary by going over
the same inodes again. These unprotected accesses would also trigger
warnings from tools like KCSAN.
So add a lock to protect access to these progress fields.
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Under arch/x86/xen there is one large private header file xen-ops.h
containing most of the Xen-private x86 related declarations, and then
there are several small headers with a handful of declarations each.
Merge the small headers into xen-ops.h.
While doing that, move the declaration of xen_fifo_events from
xen-ops.h into include/xen/events.h where it should have been from the
beginning.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Message-ID: <20240710093718.14552-3-jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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In Xe, the perf layer allows capture of HW counter streams. These HW
counters are generally performance related but don't have to be necessarily
so. Also, the name "perf" is a carryover from i915 and is not preferred.
Here we propose the name "observation" for this common layer which allows
capture of different types of these counter streams.
v2: Rename observability layer to observation layer (Lucas/Rodrigo)
v3: Rename sysctl file to "observation_paranoid" (Jose)
Fixes: 52c2e956dceb ("drm/xe/perf/uapi: "Perf" layer to support multiple perf counter stream types")
Fixes: fe8929bdf835 ("drm/xe/perf/uapi: Add perf_stream_paranoid sysctl")
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Acked-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240703164801.2561423-1-ashutosh.dixit@intel.com
(cherry picked from commit 8169b2097d88d99d7e4a72e20e4b549efe9eb8d7)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Remove the encoding field from 'struct btrfs_stripe_extent'. It was
originally intended to encode the RAID type as well as if we're a data
or a parity stripe.
But the RAID type can be inferred form the block-group and the data vs.
parity differentiation can be done easier with adding a new key type
for parity stripes in the RAID stripe tree.
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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[BUG]
There is a bug report that a canceled checksum conversion (still
experimental feature) results in unexpected super block flags:
csum_type 0 (crc32c)
csum_size 4
csum 0x14973811 [match]
bytenr 65536
flags 0x1000000001
( WRITTEN |
CHANGING_FSID_V2 )
magic _BHRfS_M [match]
While for a filesystem with ongoing checksum conversion it should have
either CHANGING_DATA_CSUM or CHANGING_META_CSUM.
[CAUSE]
It turns out that, due to btrfs-progs keeps its own extra flags inside
its own ctree.h headers, not the shared uapi headers, we have
conflicting super flags:
kernel-shared/uapi/btrfs_tree.h:#define BTRFS_SUPER_FLAG_METADUMP_V2 (1ULL << 34)
kernel-shared/uapi/btrfs_tree.h:#define BTRFS_SUPER_FLAG_CHANGING_FSID (1ULL << 35)
kernel-shared/uapi/btrfs_tree.h:#define BTRFS_SUPER_FLAG_CHANGING_FSID_V2 (1ULL << 36)
kernel-shared/ctree.h:#define BTRFS_SUPER_FLAG_CHANGING_DATA_CSUM (1ULL << 36)
kernel-shared/ctree.h:#define BTRFS_SUPER_FLAG_CHANGING_META_CSUM (1ULL << 37)
Note that CHANGING_FSID_V2 is conflicting with CHANGING_DATA_CSUM.
[FIX]
The proper fix would be done inside btrfs-progs, but to keep everything
properly recorded, we should have everything inside the same uapi
header.
Copy all the new flags into uapi header, and change the value for
CHANGING_DATA_CSUM and CHANGING_META_CSUM, while keep the value of
CHANGING_BG_TREE untouched.
Thankfully checksum change is still only experimental and all those
CHANGING_* flags are transient (only for btrfs-progs to resume the
conversion, and kernel will reject them all), the damage is still minor.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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The member extent_map::block_start can be calculated from
extent_map::disk_bytenr + extent_map::offset for regular extents.
And otherwise just extent_map::disk_bytenr.
And this is already validated by the validate_extent_map(). Now we can
remove the member.
However there is a special case in btrfs_create_dio_extent() where we
for NOCOW/PREALLOC ordered extents cannot directly use the resulting
btrfs_file_extent, as btrfs_split_ordered_extent() cannot handle them
yet.
So for that call site, we pass file_extent->disk_bytenr +
file_extent->num_bytes as disk_bytenr for the ordered extent, and 0 for
offset.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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|
The extent_map::block_len is either extent_map::len (non-compressed
extent) or extent_map::disk_num_bytes (compressed extent).
Since we already have sanity checks to do the cross-checks between the
new and old members, we can drop the old extent_map::block_len now.
For most call sites, they can manually select extent_map::len or
extent_map::disk_num_bytes, since most if not all of them have checked
if the extent is compressed.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Since we have extent_map::offset, the old extent_map::orig_start is just
extent_map::start - extent_map::offset for non-hole/inline extents.
And since the new extent_map::offset is already verified by
validate_extent_map() while the old orig_start is not, let's just remove
the old member from all call sites.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Start changing the wording of the I2C main header wrt. the newest I2C
v7 and SMBus 3.2 specifications and replace "master/slave" with more
appropriate terms. The first step renames the members of struct
i2c_algorithm. Once all in-tree users are converted, the anonymous union
will go away again. All this work will also pave the way for finally
seperating the monolithic header into more fine-grained headers like
"i2c/clients.h" etc.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
|
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the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Eric Biggers <ebiggers@kernel.org> says:
Add support for Flash Memory Protector (FMP), which is the inline
encryption hardware on Exynos and Exynos-based SoCs.
Specifically, add support for the "traditional FMP mode" that works on
many Exynos-based SoCs including gs101. This is the mode that uses
"software keys" and is compatible with the upstream kernel's existing
inline encryption framework in the block and filesystem layers. I
plan to add support for the wrapped key support on gs101 at a later
time.
Tested on gs101 (specifically Pixel 6) by running the 'encrypt' group
of xfstests on a filesystem mounted with the 'inlinecrypt' mount
option.
This patchset applies to v6.10-rc6, and it has no prerequisites that
aren't already upstream.
Link: https://lore.kernel.org/r/20240708235330.103590-1-ebiggers@kernel.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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|
Since the nonstandard inline encryption support on Exynos SoCs requires
that raw cryptographic keys be copied into the PRDT, it is desirable to
zeroize those keys after each request to keep them from being left in
memory. Therefore, add a quirk bit that enables the zeroization.
We could instead do the zeroization unconditionally. However, using a
quirk bit avoids adding the zeroization overhead to standard devices.
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240708235330.103590-6-ebiggers@kernel.org
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
Add a variant op to allow host drivers to initialize nonstandard
crypto-related fields in the PRDT. This is needed to support inline
encryption on the "Exynos" UFS controller.
Note that this will be used together with the support for overriding the
PRDT entry size that was already added by commit ada1e653a5ea ("scsi: ufs:
core: Allow UFS host drivers to override the sg entry size").
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240708235330.103590-5-ebiggers@kernel.org
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
Add UFSHCD_QUIRK_BROKEN_CRYPTO_ENABLE which tells the UFS core to not use
the crypto enable bit defined by the UFS specification. This is needed to
support inline encryption on the "Exynos" UFS controller.
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240708235330.103590-4-ebiggers@kernel.org
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
Add UFSHCD_QUIRK_CUSTOM_CRYPTO_PROFILE which lets UFS host drivers
initialize the blk_crypto_profile themselves rather than have it be
initialized by ufshcd-core according to the UFSHCI standard. This is
needed to support inline encryption on the "Exynos" UFS controller which
has a nonstandard interface.
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20240708235330.103590-2-ebiggers@kernel.org
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
Bart Van Assche <bvanassche@acm.org> says:
Hi Martin,
Please consider this series of UFS driver patches for the next merge window.
Thank you,
Bart.
Link: https://lore.kernel.org/r/20240708211716.2827751-1-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
Pull in my fixes branch to resolve an mpi3mr merge conflict reported
by sfr.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
UFSHCI controllers that are compliant with the UFSHCI 4.0 standard report
the maximum number of supported commands in the controller capabilities
register. Use that value if .get_hba_mac == NULL.
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240708211716.2827751-11-bvanassche@acm.org
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
Improve code readability by inlining is_mcq_enabled().
Cc: Peter Wang <peter.wang@mediatek.com>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240708211716.2827751-7-bvanassche@acm.org
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
Rename this constant to prepare for the introduction of the
MASK_TRANSFER_REQUESTS_SLOTS_MCQ constant. The acronym "SDB" stands for
"single doorbell" (mode).
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240708211716.2827751-5-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
Instead of first zero-initializing struct uic_command and next initializing
it memberwise, initialize all members at once.
Reviewed-by: Daejun Park <daejun7.park@samsung.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20240708211716.2827751-3-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
Merge series from Richard Fitzgerald <rf@opensource.cirrus.com>:
Commit series that makes some small improvements to code and the
kernel log messages.
|
|
Document bindings for the T-Head TH1520 AP sub-system clock controller.
Link: https://openbeagle.org/beaglev-ahead/beaglev-ahead/-/blob/main/docs/TH1520%20System%20User%20Manual.pdf
Co-developed-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Drew Fustini <dfustini@tenstorrent.com>
Link: https://lore.kernel.org/r/20240623-th1520-clk-v2-1-ad8d6432d9fb@tenstorrent.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
|
|
Introduce a new help addrs_per_page() to wrap common code
from addrs_per_inode() and addrs_per_block() for cleanup.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
|
|
Merge series from Guenter Roeck <linux@roeck-us.net>:
regmap_multi_reg_read() is similar to regmap_bilk_read() but reads from
an array of non-sequential registers. It is helpful if multiple non-
sequential registers need to be read in a single operation which would
otherwise have to be mutex protected.
The name of the new function was chosen to match the existing function
regmap_multi_reg_write().
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"21 hotfixes, 15 of which are cc:stable.
No identifiable theme here - all are singleton patches, 19 are for MM"
* tag 'mm-hotfixes-stable-2024-07-10-13-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (21 commits)
mm/hugetlb: fix kernel NULL pointer dereference when migrating hugetlb folio
mm/hugetlb: fix potential race in __update_and_free_hugetlb_folio()
filemap: replace pte_offset_map() with pte_offset_map_nolock()
arch/xtensa: always_inline get_current() and current_thread_info()
sched.h: always_inline alloc_tag_{save|restore} to fix modpost warnings
MAINTAINERS: mailmap: update Lorenzo Stoakes's email address
mm: fix crashes from deferred split racing folio migration
lib/build_OID_registry: avoid non-destructive substitution for Perl < 5.13.2 compat
mm: gup: stop abusing try_grab_folio
nilfs2: fix kernel bug on rename operation of broken directory
mm/hugetlb_vmemmap: fix race with speculative PFN walkers
cachestat: do not flush stats in recency check
mm/shmem: disable PMD-sized page cache if needed
mm/filemap: skip to create PMD-sized page cache if needed
mm/readahead: limit page cache size in page_cache_ra_order()
mm/filemap: make MAX_PAGECACHE_ORDER acceptable to xarray
mm/damon/core: merge regions aggressively when max_nr_regions is unmet
Fix userfaultfd_api to return EINVAL as expected
mm: vmalloc: check if a hash-index is in cpu_possible_mask
mm: prevent derefencing NULL ptr in pfn_section_valid()
...
|
|
As suggested by the B-ext spec, the Zbc (carry-less multiplication)
instructions can be used to accelerate CRC calculations. Currently, the
crc32 is the most widely used crc function inside kernel, so this patch
focuses on the optimization of just the crc32 APIs.
Compared with the current table-lookup based optimization, Zbc based
optimization can also achieve large stride during CRC calculation loop,
meantime, it avoids the memory access latency of the table-lookup based
implementation and it reduces memory footprint.
If Zbc feature is not supported in a runtime environment, then the
table-lookup based implementation would serve as fallback via alternative
mechanism.
By inspecting the vmlinux built by gcc v12.2.0 with default optimization
level (-O2), we can see below instruction count change for each 8-byte
stride in the CRC32 loop:
rv64: crc32_be (54->31), crc32_le (54->13), __crc32c_le (54->13)
rv32: crc32_be (50->32), crc32_le (50->16), __crc32c_le (50->16)
The compile target CPU is little endian, extra effort is needed for byte
swapping for the crc32_be API, thus, the instruction count change is not
as significant as that in the *_le cases.
This patch is tested on QEMU VM with the kernel CRC32 selftest for both
rv64 and rv32. Running the CRC32 selftest on a real hardware (SpacemiT K1)
with Zbc extension shows 65% and 125% performance improvement respectively
on crc32_test() and crc32c_test().
Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20240621054707.1847548-1-xiao.w.wang@intel.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
|
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If CONFIG_ZSWAP is set to N, it means zswap cannot be enabled.
zswap_never_enabled() should return true.
The only effect of this issue is that with Barry's latest large folio
swapin patches for zram ("mm: support mTHP swap-in for zRAM-like
swapfile"), we will always fallback to order-0 swapin, even mistakenly
when !CONFIG_ZSWAP.
Basically this bug makes Barry's in progress patches not work at all.
The API was created to inform the mm core that zswap has never been
enabled, allowing the mm core to perform mTHP swap-in. This is a
transitional solution until zswap supports mTHP. If zswap has been
enabled, performing mTHP swap-in will result in corrupted data. You
may find the answer in the mTHP swap-in series:
https://lore.kernel.org/linux-mm/CAJD7tkZ4FQr6HZpduOdvmqgg_-whuZYE-Bz5O2t6yzw6Yg+v1A@mail.gmail.com/
Link: https://lkml.kernel.org/r/20240629232231.42394-1-21cnbao@gmail.com
Fixes: 0300e17d67c3 ("mm: zswap: add zswap_never_enabled()")
Signed-off-by: Barry Song <v-songbaohua@oppo.com>
Reviewed-by: Chengming Zhou <chengming.zhou@linux.dev>
Acked-by: Yosry Ahmed <yosryahmed@google.com>
Acked-by: Chris Li <chrisl@kernel.org>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Nhat Pham <nphamcs@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
|
CONFIG_MEMCG_KMEM used to be a user-visible option for whether slab
tracking is enabled. It has been default-enabled and equivalent to
CONFIG_MEMCG for almost a decade. We've only grown more kernel memory
accounting sites since, and there is no imaginable cgroup usecase going
forward that wants to track user pages but not the multitude of
user-drivable kernel allocations.
Link: https://lkml.kernel.org/r/20240701153148.452230-1-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Shakeel Butt <shakeel.butt@linux.dev>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Muchun Song <muchun.song@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
|
Memcg v1-specific fields serve a buffer function between read-mostly and
update often parts of the mem_cgroup_per_node structure. If
CONFIG_MEMCG_V1 is not set and these fields are not present, an explicit
cacheline padding is needed.
Link: https://lkml.kernel.org/r/20240701185932.704807-2-roman.gushchin@linux.dev
Signed-off-by: Roman Gushchin <roman.gushchin@linux.dev>
Suggested-by: Shakeel Butt <shakeel.butt@linux.dev>
Acked-by: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
|
After the grouping of the cgroup v1-related fields and the corresponding
reorganization of the struct mem_cgroup, the existing cache line padding
doesn't make much sense anymore. Let's drop it for now and put back to
new places, if necessary.
Link: https://lkml.kernel.org/r/20240701185932.704807-1-roman.gushchin@linux.dev
Signed-off-by: Roman Gushchin <roman.gushchin@linux.dev>
Suggested-by: Shakeel Butt <shakeel.butt@linux.dev>
Acked-by: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
|
Pull bcachefs fixes from Kent Overstreet:
- Switch some asserts to WARN()
- Fix a few "transaction not locked" asserts in the data read retry
paths and backpointers gc
- Fix a race that would cause the journal to get stuck on a flush
commit
- Add missing fsck checks for the fragmentation LRU
- The usual assorted ssorted syzbot fixes
* tag 'bcachefs-2024-07-10' of https://evilpiepirate.org/git/bcachefs: (22 commits)
bcachefs: Add missing bch2_trans_begin()
bcachefs: Fix missing error check in journal_entry_btree_keys_validate()
bcachefs: Warn on attempting a move with no replicas
bcachefs: bch2_data_update_to_text()
bcachefs: Log mount failure error code
bcachefs: Fix undefined behaviour in eytzinger1_first()
bcachefs: Mark bch_inode_info as SLAB_ACCOUNT
bcachefs: Fix bch2_inode_insert() race path for tmpfiles
closures: fix closure_sync + closure debugging
bcachefs: Fix journal getting stuck on a flush commit
bcachefs: io clock: run timer fns under clock lock
bcachefs: Repair fragmentation_lru in alloc_write_key()
bcachefs: add check for missing fragmentation in check_alloc_to_lru_ref()
bcachefs: bch2_btree_write_buffer_maybe_flush()
bcachefs: Add missing printbuf_tabstops_reset() calls
bcachefs: Fix loop restart in bch2_btree_transactions_read()
bcachefs: Fix bch2_read_retry_nodecode()
bcachefs: Don't use the new_fs() bucket alloc path on an initialized fs
bcachefs: Fix shift greater than integer size
bcachefs: Change bch2_fs_journal_stop() BUG_ON() to warning
...
|
|
Unlike previous generations, idpf requires more buffer types for optimal
performance. This includes: header buffers, short buffers, and
no-overhead buffers (w/o headroom and tailroom, for TCP zerocopy when
the header split is enabled).
Introduce libeth Rx buffer type and calculate page_pool params
accordingly. All the HW-related details like buffer alignment are still
accounted. For the header buffers, pick 256 bytes as in most places in
the kernel (have you ever seen frames with bigger headers?).
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
|
|
regmap_multi_reg_read() is similar to regmap_bilk_read() but reads from
an array of non-sequential registers.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240710015622.1960522-2-linux@roeck-us.net
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
Rename the confusingly named struct member fw_ver to wmfw_ver. It
contains the wmfw format version of the loaded wmfw file.
This commit also contains an update to wm_adsp for the new name.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20240710103640.78197-5-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
The wmfw_filename and bin_filename strings passed into cs_dsp_power_up()
and cs_dsp_adsp1_power_up() should be const char *.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20240710103640.78197-3-rf@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
|
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Add helpers to assert struct field layout, a bit more crazy and
networking-specific than in <linux/cache.h>. They assume you have
3 CL-aligned groups (read-mostly, read-write, cold) in a struct
you want to assert, and nothing besides them.
For 64-bit with 64-byte cachelines, the assertions are as strict
as possible, as the size can then be easily predicted.
For the rest, make sure they don't cross the specified bound.
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
|
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Instead of doing __cacheline_group_begin() __aligned(), use the new
__cacheline_group_{begin,end}_aligned(), so that it will take care
of the group alignment itself.
Also replace open-coded `4 * sizeof(long)` in two places with
a definition.
Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
|
