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The Record Route IP option records the addresses of the routers that
routed the packet. In the case of forwarded packets, the kernel performs
a route lookup via fib_lookup() and fills in the preferred source
address of the matched route.
The lookup is performed with the DS field of the forwarded packet, but
using the RT_TOS() macro which only masks one of the two ECN bits. If
the packet is ECT(0) or CE, the matched route might be different than
the route via which the packet was forwarded as the input path masks
both of the ECN bits, resulting in the wrong address being filled in the
Record Route option.
Fix by masking both of the ECN bits.
Fixes: 8e36360ae876 ("ipv4: Remove route key identity dependencies in ip_rt_get_source().")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Link: https://patch.msgid.link/20240718123407.434778-1-idosch@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Including fixes from netfilter.
Current release - new code bugs:
- eth: fbnic: fix s390 build.
- eth: airoha: fix NULL pointer dereference in airoha_qdma_cleanup_rx_queue()
Previous releases - regressions:
- flow_dissector: use DEBUG_NET_WARN_ON_ONCE
- ipv4: fix incorrect TOS in route get reply
- dsa: fix chip-wide frame size config in some drivers
Previous releases - always broken:
- netfilter: nf_set_pipapo: fix initial map fill
- eth: gve: fix XDP TX completion handling when counters overflow
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.11-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter.
Notably this includes fixes for a s390 build breakage.
Current release - new code bugs:
- eth: fbnic: fix s390 build
- eth: airoha: fix NULL pointer dereference in
airoha_qdma_cleanup_rx_queue()
Previous releases - regressions:
- flow_dissector: use DEBUG_NET_WARN_ON_ONCE
- ipv4: fix incorrect TOS in route get reply
- dsa: fix chip-wide frame size config in some drivers
Previous releases - always broken:
- netfilter: nf_set_pipapo: fix initial map fill
- eth: gve: fix XDP TX completion handling when counters overflow"
* tag 'net-6.11-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net:
eth: fbnic: don't build the driver when skb has more than 21 frags
net: dsa: b53: Limit chip-wide jumbo frame config to CPU ports
net: dsa: mv88e6xxx: Limit chip-wide frame size config to CPU ports
net: airoha: Fix NULL pointer dereference in airoha_qdma_cleanup_rx_queue()
net: wwan: t7xx: add support for Dell DW5933e
ipv4: Fix incorrect TOS in fibmatch route get reply
ipv4: Fix incorrect TOS in route get reply
net: flow_dissector: use DEBUG_NET_WARN_ON_ONCE
driver core: auxiliary bus: Fix documentation of auxiliary_device
net: airoha: fix error branch in airoha_dev_xmit and airoha_set_gdm_ports
gve: Fix XDP TX completion handling when counters overflow
ipvs: properly dereference pe in ip_vs_add_service
selftests: netfilter: add test case for recent mismatch bug
netfilter: nf_set_pipapo: fix initial map fill
netfilter: ctnetlink: use helper function to calculate expect ID
eth: fbnic: fix s390 build.
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Merge tag 'for-6.11-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"A fix for build breakage on 32bit platforms"
* tag 'for-6.11-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: change BTRFS_MOUNT_* flags to 64bit type
- fix an invalid pointer dereference in error path in pwrseq core
- reduce the Kconfig noise from PCI pwrctl choices
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Merge tag 'pwrseq-fixes-for-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull power sequencing fixes from Bartosz Golaszewski:
"There's one fix for an invalid pointer dereference in error path
reported by smatch and two patches that address the noisy config
choices you reported earlier this week.
Summary:
- fix an invalid pointer dereference in error path in pwrseq core
- reduce the Kconfig noise from PCI pwrctl choices"
* tag 'pwrseq-fixes-for-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
arm64: qcom: don't select HAVE_PWRCTL when PCI=n
Kconfig: reduce the amount of power sequencing noise
power: sequencing: fix an invalid pointer dereference in error path
Lots of changes in this cycle, but mostly for cleanups and
refactoring. Significant amount of changes are about DT schema
conversions for ASoC at this time while we see other usual
suspects, too. Some highlights below:
Core:
- Re-introduction of PCM sync ID support API
- MIDI2 time-base extension in ALSA sequencer API
ASoC:
- Syncing of features between simple-audio-card and the two
audio-graph cards
- Support for specifying the order of operations for components
within cards to allow quirking for unusual systems
- Lots of DT schema conversions
- Continued SOF/Intel updates for topology, SoundWire, IPC3/4
- New support for Asahi Kasei AK4619, Cirrus Logic CS530x, Everest
Semiconductors ES8311, NXP i.MX95 and LPC32xx, Qualcomm LPASS
v2.5 and WCD937x, Realtek RT1318 and RT1320 and Texas
Instruments PCM5242
HD-audio:
- More quirks, Intel PantherLake support, senarytech codec support
- Refactoring of Cirrus codec component-binding
Others:
- ALSA control kselftest improvements, and fixes for input value
checks in various drivers
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Merge tag 'sound-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"Lots of changes in this cycle, but mostly for cleanups and
refactoring.
Significant amount of changes are about DT schema conversions for ASoC
at this time while we see other usual suspects, too.
Some highlights below:
Core:
- Re-introduction of PCM sync ID support API
- MIDI2 time-base extension in ALSA sequencer API
ASoC:
- Syncing of features between simple-audio-card and the two
audio-graph cards
- Support for specifying the order of operations for components
within cards to allow quirking for unusual systems
- Lots of DT schema conversions
- Continued SOF/Intel updates for topology, SoundWire, IPC3/4
- New support for Asahi Kasei AK4619, Cirrus Logic CS530x, Everest
Semiconductors ES8311, NXP i.MX95 and LPC32xx, Qualcomm LPASS v2.5
and WCD937x, Realtek RT1318 and RT1320 and Texas Instruments
PCM5242
HD-audio:
- More quirks, Intel PantherLake support, senarytech codec support
- Refactoring of Cirrus codec component-binding
Others:
- ALSA control kselftest improvements, and fixes for input value
checks in various drivers"
* tag 'sound-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (349 commits)
kselftest/alsa: Log the PCM ID in pcm-test
kselftest/alsa: Use card name rather than number in test names
ALSA: hda/realtek: Fix the speaker output on Samsung Galaxy Book Pro 360
ALSA: hda/tas2781: Add new quirk for Lenovo Hera2 Laptop
ALSA: seq: ump: Skip useless ports for static blocks
ALSA: pcm_dmaengine: Don't synchronize DMA channel when DMA is paused
ALSA: usb: Use BIT() for bit values
ALSA: usb: Fix UBSAN warning in parse_audio_unit()
ALSA: hda/realtek: Enable headset mic on Positivo SU C1400
ASoC: tas2781: Add new Kontrol to set tas2563 digital Volume
ASoC: codecs: wcd937x: Remove separate handling for vdd-buck supply
ASoC: codecs: wcd937x: Remove the string compare in MIC BIAS widget settings
ASoC: codecs: wcd937x-sdw: Fix Unbalanced pm_runtime_enable
ASoC: dt-bindings: cirrus,cs42xx8: Convert to dtschema
ASoC: cs530x: Remove bclk from private structure
ASoC: cs530x: Calculate proper bclk rate using TDM
ASoC: dt-bindings: cirrus,cs4270: Convert to dtschema
firmware: cs_dsp: Rename fw_ver to wmfw_ver
firmware: cs_dsp: Clarify wmfw format version log message
firmware: cs_dsp: Make wmfw and bin filename arguments const char *
...
clk driver support. We have the usual Qualcomm clk drivers, along with
clk drivers for the Sophgo and T-Head vendors, all to support some new
SoCs.
Nothing in particular stands out to me in the updates. There's the
interconnect clk driver which exposes clks as interconnects, crossing
subsystems. There's a bunch of janitorial things that are improving
drivers in general like kmemdup_array() or fixing error paths. But
overall the updates look normal to fix the description data which is
usually the stuff that's wrong and/or untested.
I really wanted to land a bunch of KUnit clk code that I've been working
on whenever I get some free time but it turned into a pumpkin at the
last minute so I dropped those patches. I'll let it soak in linux-next
after the merge window closes. I have a suspicion that we're going to
need to totally rework the clk framework to fix structural issues like
locking, clk rate setting, and runtime PM usage. Having a bunch of unit
tests for that will help make sure that all keeps working.
Core:
- Skip gate basic type KUnit tests on s390 due to lack of MMIO emulation
New Drivers:
- AP sub-system clock controller in the T-Head TH1520
- Sophgo Sophon sg2042 clk driver
- Qualcomm SM7150 camera, display and video clk drivers
- Qualcomm QCM2290 GPU clk driver
- Qualcomm QCS8386/QCS8084 NSS clk driver
- Qualcomm SM8650 camera and video drivers
Updates:
- Add reset support to Airoha EN7581 clk driver
- Add MODULE_DESCRIPTIONs to various clk drivers
- Introduce helper logic to expose clock controllers as simple
interconnect providers
- Use the interconnect helper above on Qualcomm ipq9574
- Add CLK_SET_RATE_PARENT to the remaining USB pipe clocks on Qualcomm
X1Elite
- Improve error handling in Qualcomm kpss-xcc driver
- Mark Qualcomm SC8280XP LPASS clock controller regmap_config const
- Export more clocks for Rockchip rk3128 peripherals
- Convert Rockchip clk drivers to use kmemdup_array()
- Drop CLK_NR_CLKS from Rockchip rk3128 and rk3188 binding headers
- Make qcom_cc_really_probe() take a struct device to allow reuse in
non-platform-drivers
- Introduce prepare-only branch clock ops in the qcom clk driver to
support clocks on buses that take locks
- Describe parent/child relationship for Qualcomm SC7280 camera GDSCs
- Support Qualcomm Huayra 2290 alpha PLL
- Adjust the highest SDCC clock frequency on Qualcomm IPQ6018 to match
HS200 support
- Add missing PCIe PIPE clocks on Qualcomm IPQ9574
- Fix various configurations and properties in the Qualcomm SA8775P,
X1E80100 and SM7280 drivers
- Park Qualcomm SM8350 GPU RCGs on XO while disabled
- Remove unused CONFIG_QCOM_RPMCC Kconfig symbol
- exynos-clkout: Remove usage of of_device_id table as .of_match_table,
because the driver is instantiated as MFD cell, not as standalone platform
driver. Populated .of_match_table confused people few times to convert the
code to device_get_match_data(), which broke the driver
- Mark one Samsung UFS clock as critical, because having it off stops the
system from shutdown
- Use kmemdup_array() when applicable
- Remove unused 'struct gates_data' from old sunxi driver library
- Add GPADC clock and reset for Allwinner H616
- Minor Amlogic S4 clock fixes
- DT bindings Yaml conversion of the Amlogic AXG audio controller
- Amlogic C3 clock controllers support
- Amlogic clk flag added to skip init of already enabled PLLs and avoid relocking
- Amlogic A1 DT bindings updates for system pll support
- Add missing MODULE_DESCRIPTION where necessary
- Remove obsolete clock DT binding header files
- Add Battery Backup (VBATTB) and I2C clocks, resets, and power
domains on Renesas RZ/G3S
- Add audio clocks on Renesas R-Car V4M
- Add video capture (ISPCS, CSI-2, VIN) clocks on Renesas R-Car V4M
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"This a large collection of clk driver updates and a handful of new SoC
clk driver support.
We have the usual Qualcomm clk drivers, along with clk drivers for the
Sophgo and T-Head vendors, all to support some new SoCs.
Nothing in particular stands out to me in the updates. There's the
interconnect clk driver which exposes clks as interconnects, crossing
subsystems. There's a bunch of janitorial things that are improving
drivers in general like kmemdup_array() or fixing error paths. But
overall the updates look normal to fix the description data which is
usually the stuff that's wrong and/or untested.
Core:
- Skip gate basic type KUnit tests on s390 due to lack of MMIO
emulation
New Drivers:
- AP sub-system clock controller in the T-Head TH1520
- Sophgo Sophon sg2042 clk driver
- Qualcomm SM7150 camera, display and video clk drivers
- Qualcomm QCM2290 GPU clk driver
- Qualcomm QCS8386/QCS8084 NSS clk driver
- Qualcomm SM8650 camera and video drivers
Updates:
- Add reset support to Airoha EN7581 clk driver
- Add MODULE_DESCRIPTIONs to various clk drivers
- Introduce helper logic to expose clock controllers as simple
interconnect providers
- Use the interconnect helper above on Qualcomm ipq9574
- Add CLK_SET_RATE_PARENT to the remaining USB pipe clocks on
Qualcomm X1Elite
- Improve error handling in Qualcomm kpss-xcc driver
- Mark Qualcomm SC8280XP LPASS clock controller regmap_config const
- Export more clocks for Rockchip rk3128 peripherals
- Convert Rockchip clk drivers to use kmemdup_array()
- Drop CLK_NR_CLKS from Rockchip rk3128 and rk3188 binding headers
- Make qcom_cc_really_probe() take a struct device to allow reuse in
non-platform-drivers
- Introduce prepare-only branch clock ops in the qcom clk driver to
support clocks on buses that take locks
- Describe parent/child relationship for Qualcomm SC7280 camera GDSCs
- Support Qualcomm Huayra 2290 alpha PLL
- Adjust the highest SDCC clock frequency on Qualcomm IPQ6018 to
match HS200 support
- Add missing PCIe PIPE clocks on Qualcomm IPQ9574
- Fix various configurations and properties in the Qualcomm SA8775P,
X1E80100 and SM7280 drivers
- Park Qualcomm SM8350 GPU RCGs on XO while disabled
- Remove unused CONFIG_QCOM_RPMCC Kconfig symbol
- exynos-clkout: Remove usage of of_device_id table as
.of_match_table, because the driver is instantiated as MFD cell,
not as standalone platform driver. Populated .of_match_table
confused people few times to convert the code to
device_get_match_data(), which broke the driver
- Mark one Samsung UFS clock as critical, because having it off stops
the system from shutdown
- Use kmemdup_array() when applicable
- Remove unused 'struct gates_data' from old sunxi driver library
- Add GPADC clock and reset for Allwinner H616
- Minor Amlogic S4 clock fixes
- DT bindings Yaml conversion of the Amlogic AXG audio controller
- Amlogic C3 clock controllers support
- Amlogic clk flag added to skip init of already enabled PLLs and
avoid relocking
- Amlogic A1 DT bindings updates for system pll support
- Add missing MODULE_DESCRIPTION where necessary
- Remove obsolete clock DT binding header files
- Add Battery Backup (VBATTB) and I2C clocks, resets, and power
domains on Renesas RZ/G3S
- Add audio clocks on Renesas R-Car V4M
- Add video capture (ISPCS, CSI-2, VIN) clocks on Renesas R-Car V4M"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (135 commits)
clk: thead: Add support for T-Head TH1520 AP_SUBSYS clocks
dt-bindings: clock: Document T-Head TH1520 AP_SUBSYS controller
clk: sophgo: Avoid -Wsometimes-uninitialized in sg2042_clk_pll_set_rate()
clk/sophgo: Using BUG() instead of unreachable() in mmux_get_parent_id()
clk: mxs: Use clamp() in clk_ref_round_rate() and clk_ref_set_rate()
clk: sunxi-ng r40: Constify struct regmap_config
clk: en7523: fix rate divider for slic and spi clocks
clk: lpc32xx: Constify struct regmap_config
clk: xilinx: Constify struct regmap_config
clk: en7523: Remove PCIe reset open drain configuration for EN7581
clk: en7523: Remove pcie prepare/unpreare callbacks for EN7581 SoC
clk: en7523: Add reset-controller support for EN7581 SoC
dt-bindings: clock: airoha: Add reset support to EN7581 clock binding
dt-bindings: clock: mediatek: Document reset cells for MT8188 sys
clk: mediatek: mt8173-infracfg: Handle unallocated infracfg when module
dt-bindings: clock: mediatek: add syscon compatible for mt7622 pciesys
dt-bindings: clock: sprd,sc9860-clk: convert to YAML
dt-bindings: clock: qoriq-clock: convert to yaml format
clk: qcom: Park shared RCGs upon registration
clk: qcom: ipq9574: Use icc-clk for enabling NoC related clocks
...
Several new features here:
- Virtio find vqs API has been reworked
(required to fix the scalability issue we have with
adminq, which I hope to merge later in the cycle)
- vDPA driver for Marvell OCTEON
- virtio fs performance improvement
- mlx5 migration speedups
Fixes, cleanups all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
"Several new features here:
- Virtio find vqs API has been reworked (required to fix the
scalability issue we have with adminq, which I hope to merge later
in the cycle)
- vDPA driver for Marvell OCTEON
- virtio fs performance improvement
- mlx5 migration speedups
Fixes, cleanups all over the place"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (56 commits)
virtio: rename virtio_find_vqs_info() to virtio_find_vqs()
virtio: remove unused virtio_find_vqs() and virtio_find_vqs_ctx() helpers
virtio: convert the rest virtio_find_vqs() users to virtio_find_vqs_info()
virtio_balloon: convert to use virtio_find_vqs_info()
virtiofs: convert to use virtio_find_vqs_info()
scsi: virtio_scsi: convert to use virtio_find_vqs_info()
virtio_net: convert to use virtio_find_vqs_info()
virtio_crypto: convert to use virtio_find_vqs_info()
virtio_console: convert to use virtio_find_vqs_info()
virtio_blk: convert to use virtio_find_vqs_info()
virtio: rename find_vqs_info() op to find_vqs()
virtio: remove the original find_vqs() op
virtio: call virtio_find_vqs_info() from virtio_find_single_vq() directly
virtio: convert find_vqs() op implementations to find_vqs_info()
virtio_pci: convert vp_*find_vqs() ops to find_vqs_info()
virtio: introduce virtio_queue_info struct and find_vqs_info() config op
virtio: make virtio_find_single_vq() call virtio_find_vqs()
virtio: make virtio_find_vqs() call virtio_find_vqs_ctx()
caif_virtio: use virtio_find_single_vq() for single virtqueue finding
vdpa/mlx5: Don't enable non-active VQs in .set_vq_ready()
...
- Add support for 8-byte accesses when using read/write through the
device regions. This fills a gap for userspace drivers that might
not be able to use access through mmap to perform native register
width accesses. (Gerd Bayer)
- Add missing MODULE_DESCRIPTION to vfio-mdev sample drivers and
replace a non-standard MODULE_INFO usage. (Jeff Johnson)
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Merge tag 'vfio-v6.11-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Add support for 8-byte accesses when using read/write through the
device regions. This fills a gap for userspace drivers that might
not be able to use access through mmap to perform native register
width accesses (Gerd Bayer)
- Add missing MODULE_DESCRIPTION to vfio-mdev sample drivers and
replace a non-standard MODULE_INFO usage (Jeff Johnson)
* tag 'vfio-v6.11-rc1' of https://github.com/awilliam/linux-vfio:
vfio-mdev: add missing MODULE_DESCRIPTION() macros
vfio/pci: Fix typo in macro to declare accessors
vfio/pci: Support 8-byte PCI loads and stores
vfio/pci: Extract duplicated code into macro
Updates to the usual drivers (ufs, lpfc, qla2xxx, mpi3mr) plus some
misc small fixes. The only core changes are to both bsg and scsi to
pass in the device instead of setting it afterwards as q->queuedata,
so no functional change.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"Updates to the usual drivers (ufs, lpfc, qla2xxx, mpi3mr) plus some
misc small fixes.
The only core changes are to both bsg and scsi to pass in the device
instead of setting it afterwards as q->queuedata, so no functional
change"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (69 commits)
scsi: aha152x: Use DECLARE_COMPLETION_ONSTACK for non-constant completion
scsi: qla2xxx: Convert comma to semicolon
scsi: qla2xxx: Update version to 10.02.09.300-k
scsi: qla2xxx: Use QP lock to search for bsg
scsi: qla2xxx: Reduce fabric scan duplicate code
scsi: qla2xxx: Fix optrom version displayed in FDMI
scsi: qla2xxx: During vport delete send async logout explicitly
scsi: qla2xxx: Complete command early within lock
scsi: qla2xxx: Fix flash read failure
scsi: qla2xxx: Return ENOBUFS if sg_cnt is more than one for ELS cmds
scsi: qla2xxx: Fix for possible memory corruption
scsi: qla2xxx: validate nvme_local_port correctly
scsi: qla2xxx: Unable to act on RSCN for port online
scsi: ufs: exynos: Add support for Flash Memory Protector (FMP)
scsi: ufs: core: Add UFSHCD_QUIRK_KEYS_IN_PRDT
scsi: ufs: core: Add fill_crypto_prdt variant op
scsi: ufs: core: Add UFSHCD_QUIRK_BROKEN_CRYPTO_ENABLE
scsi: ufs: core: fold ufshcd_clear_keyslot() into its caller
scsi: ufs: core: Add UFSHCD_QUIRK_CUSTOM_CRYPTO_PROFILE
scsi: ufs: mcq: Make .get_hba_mac() optional
...
targets
- Dm-io cleansups and refactoring
- Remove unused 'struct thunk' in dm-cache
- Handle minor device numbers > 255 in dm-init
- Dm-verity refactoring & enabling platform keyring
- Fix warning in dm-raid
- Improve dm-crypt performance - split bios to smaller pieces, so that
They could be processed concurrently
- Stop using blk_limits_io_{min,opt}
- Dm-vdo cleanup and refactoring
- Remove max_write_zeroes_granularity and max_secure_erase_granularity
- Dm-multipath cleanup & refactoring
- Add dm-crypt and dm-integrity support for non-power-of-2 sector size
- Fix reshape in dm-raid
- Make dm_block_validator const
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Merge tag 'for-6.11/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mikulas Patocka:
- Optimize processing of flush bios in the dm-linear and dm-stripe
targets
- Dm-io cleansups and refactoring
- Remove unused 'struct thunk' in dm-cache
- Handle minor device numbers > 255 in dm-init
- Dm-verity refactoring & enabling platform keyring
- Fix warning in dm-raid
- Improve dm-crypt performance - split bios to smaller pieces, so that
They could be processed concurrently
- Stop using blk_limits_io_{min,opt}
- Dm-vdo cleanup and refactoring
- Remove max_write_zeroes_granularity and max_secure_erase_granularity
- Dm-multipath cleanup & refactoring
- Add dm-crypt and dm-integrity support for non-power-of-2 sector size
- Fix reshape in dm-raid
- Make dm_block_validator const
* tag 'for-6.11/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (33 commits)
dm vdo: fix a minor formatting issue in vdo.rst
dm vdo int-map: fix kerneldoc formatting
dm vdo repair: add missing kerneldoc fields
dm: Constify struct dm_block_validator
dm-integrity: introduce the Inline mode
dm: introduce the target flag mempool_needs_integrity
dm raid: fix stripes adding reshape size issues
dm raid: move _get_reshape_sectors() as prerequisite to fixing reshape size issues
dm-crypt: support for per-sector NVMe metadata
dm mpath: don't call dm_get_device in multipath_message
dm: factor out helper function from dm_get_device
dm-verity: fix dm_is_verity_target() when dm-verity is builtin
dm: Remove max_secure_erase_granularity
dm: Remove max_write_zeroes_granularity
dm vdo indexer: use swap() instead of open coding it
dm vdo: remove unused struct 'uds_attribute'
dm: stop using blk_limits_io_{min,opt}
dm-crypt: limit the size of encryption requests
dm verity: add support for signature verification with platform keyring
dm-raid: Fix WARN_ON_ONCE check for sync_thread in raid_resume
...
- reduce duplicate swiotlb pool lookups (Michael Kelley)
- minor small fixes (Yicong Yang, Yang Li)
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Merge tag 'dma-mapping-6.11-2024-07-19' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- reduce duplicate swiotlb pool lookups (Michael Kelley)
- minor small fixes (Yicong Yang, Yang Li)
* tag 'dma-mapping-6.11-2024-07-19' of git://git.infradead.org/users/hch/dma-mapping:
swiotlb: fix kernel-doc description for swiotlb_del_transient
swiotlb: reduce swiotlb pool lookups
dma-mapping: benchmark: Don't starve others when doing the test
- Core:
* Support for the "ats-supported" device-tree property.
* Removal of the 'ops' field from 'struct iommu_fwspec'.
* Introduction of iommu_paging_domain_alloc() and partial conversion
of existing users.
* Introduce 'struct iommu_attach_handle' and provide corresponding
IOMMU interfaces which will be used by the IOMMUFD subsystem.
* Remove stale documentation.
* Add missing MODULE_DESCRIPTION() macro.
* Misc cleanups.
- Allwinner Sun50i:
* Ensure bypass mode is disabled on H616 SoCs.
* Ensure page-tables are allocated below 4GiB for the 32-bit
page-table walker.
* Add new device-tree compatible strings.
- AMD Vi:
* Use try_cmpxchg64() instead of cmpxchg64() when updating pte.
- Arm SMMUv2:
* Print much more useful information on context faults.
* Fix Qualcomm TBU probing when CONFIG_ARM_SMMU_QCOM_DEBUG=n.
* Add new Qualcomm device-tree bindings.
- Arm SMMUv3:
* Support for hardware update of access/dirty bits and reporting via
IOMMUFD.
* More driver rework from Jason, this time updating the PASID/SVA support
to prepare for full IOMMUFD support.
* Add missing MODULE_DESCRIPTION() macro.
* Minor fixes and cleanups.
- NVIDIA Tegra:
* Fix for benign fwspec initialisation issue exposed by rework on the
core branch.
- Intel VT-d:
* Use try_cmpxchg64() instead of cmpxchg64() when updating pte.
* Use READ_ONCE() to read volatile descriptor status.
* Remove support for handling Execute-Requested requests.
* Avoid calling iommu_domain_alloc().
* Minor fixes and refactoring.
- Qualcomm MSM:
* Updates to the device-tree bindings.
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Merge tag 'iommu-updates-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iommu updates from Will Deacon:
"Core:
- Support for the "ats-supported" device-tree property
- Removal of the 'ops' field from 'struct iommu_fwspec'
- Introduction of iommu_paging_domain_alloc() and partial conversion
of existing users
- Introduce 'struct iommu_attach_handle' and provide corresponding
IOMMU interfaces which will be used by the IOMMUFD subsystem
- Remove stale documentation
- Add missing MODULE_DESCRIPTION() macro
- Misc cleanups
Allwinner Sun50i:
- Ensure bypass mode is disabled on H616 SoCs
- Ensure page-tables are allocated below 4GiB for the 32-bit
page-table walker
- Add new device-tree compatible strings
AMD Vi:
- Use try_cmpxchg64() instead of cmpxchg64() when updating pte
Arm SMMUv2:
- Print much more useful information on context faults
- Fix Qualcomm TBU probing when CONFIG_ARM_SMMU_QCOM_DEBUG=n
- Add new Qualcomm device-tree bindings
Arm SMMUv3:
- Support for hardware update of access/dirty bits and reporting via
IOMMUFD
- More driver rework from Jason, this time updating the PASID/SVA
support to prepare for full IOMMUFD support
- Add missing MODULE_DESCRIPTION() macro
- Minor fixes and cleanups
NVIDIA Tegra:
- Fix for benign fwspec initialisation issue exposed by rework on the
core branch
Intel VT-d:
- Use try_cmpxchg64() instead of cmpxchg64() when updating pte
- Use READ_ONCE() to read volatile descriptor status
- Remove support for handling Execute-Requested requests
- Avoid calling iommu_domain_alloc()
- Minor fixes and refactoring
Qualcomm MSM:
- Updates to the device-tree bindings"
* tag 'iommu-updates-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (72 commits)
iommu/tegra-smmu: Pass correct fwnode to iommu_fwspec_init()
iommu/vt-d: Fix identity map bounds in si_domain_init()
iommu: Move IOMMU_DIRTY_NO_CLEAR define
dt-bindings: iommu: Convert msm,iommu-v0 to yaml
iommu/vt-d: Fix aligned pages in calculate_psi_aligned_address()
iommu/vt-d: Limit max address mask to MAX_AGAW_PFN_WIDTH
docs: iommu: Remove outdated Documentation/userspace-api/iommu.rst
arm64: dts: fvp: Enable PCIe ATS for Base RevC FVP
iommu/of: Support ats-supported device-tree property
dt-bindings: PCI: generic: Add ats-supported property
iommu: Remove iommu_fwspec ops
OF: Simplify of_iommu_configure()
ACPI: Retire acpi_iommu_fwspec_ops()
iommu: Resolve fwspec ops automatically
iommu/mediatek-v1: Clean up redundant fwspec checks
RDMA/usnic: Use iommu_paging_domain_alloc()
wifi: ath11k: Use iommu_paging_domain_alloc()
wifi: ath10k: Use iommu_paging_domain_alloc()
drm/msm: Use iommu_paging_domain_alloc()
vhost-vdpa: Use iommu_paging_domain_alloc()
...
Usual collection of small improvements and fixes:
- Bug fixes and minor improvments in efa, irdma, mlx4, mlx5, rxe, hf1,
qib, ocrdma
- bnxt_re support for MSN, which is a new retransmit logic
- Initial mana support for RC qps
- Use after free bug and cleanups in iwcm
- Reduce resource usage in mlx5 when RDMA verbs features are not used
- New verb to drain shared recieve queues, similar to normal recieve
queues. This is necessary to allow ULPs a clean shutdown. Used in the
iscsi rdma target
- mlx5 support for more than 16 bits of doorbell indexes
- Doorbell moderation support for bnxt_re
- IB multi-plane support for mlx5
- New EFA adaptor PCI IDs
- RDMA_NAME_ASSIGN_TYPE_USER to hint to userspace that it shouldn't rename
the device
- A collection of hns bugs
- Fix long standing bug in bnxt_re with incorrect endian handling of
immediate data
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"Usual collection of small improvements and fixes:
- Bug fixes and minor improvments in efa, irdma, mlx4, mlx5, rxe,
hf1, qib, ocrdma
- bnxt_re support for MSN, which is a new retransmit logic
- Initial mana support for RC qps
- Use after free bug and cleanups in iwcm
- Reduce resource usage in mlx5 when RDMA verbs features are not used
- New verb to drain shared recieve queues, similar to normal recieve
queues. This is necessary to allow ULPs a clean shutdown. Used in
the iscsi rdma target
- mlx5 support for more than 16 bits of doorbell indexes
- Doorbell moderation support for bnxt_re
- IB multi-plane support for mlx5
- New EFA adaptor PCI IDs
- RDMA_NAME_ASSIGN_TYPE_USER to hint to userspace that it shouldn't
rename the device
- A collection of hns bugs
- Fix long standing bug in bnxt_re with incorrect endian handling of
immediate data"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (65 commits)
IB/hfi1: Constify struct flag_table
RDMA/mana_ib: Set correct device into ib
bnxt_re: Fix imm_data endianness
RDMA: Fix netdev tracker in ib_device_set_netdev
RDMA/hns: Fix mbx timing out before CMD execution is completed
RDMA/hns: Fix insufficient extend DB for VFs.
RDMA/hns: Fix undifined behavior caused by invalid max_sge
RDMA/hns: Fix shift-out-bounds when max_inline_data is 0
RDMA/hns: Fix missing pagesize and alignment check in FRMR
RDMA/hns: Fix unmatch exception handling when init eq table fails
RDMA/hns: Fix soft lockup under heavy CEQE load
RDMA/hns: Check atomic wr length
RDMA/ocrdma: Don't inline statistics functions
RDMA/core: Introduce "name_assign_type" for an IB device
RDMA/qib: Fix truncation compilation warnings in qib_verbs.c
RDMA/qib: Fix truncation compilation warnings in qib_init.c
RDMA/efa: Add EFA 0xefa3 PCI ID
RDMA/mlx5: Support per-plane port IB counters by querying PPCNT register
net/mlx5: mlx5_ifc update for accessing ppcnt register of plane ports
RDMA/mlx5: Add plane index support when querying PTYS registers
...
Major changes:
- The iova_bitmap logic for efficiently reporting dirty pages back to
userspace has a few more tricky corner case bugs that have been resolved
and backed with new tests. The revised version has simpler logic.
- Shared branch with iommu for handle support when doing domain
attach. Handles allow the domain owner to include additional private data
on a per-device basis.
- IO Page Fault Reporting to userspace via iommufd. Page faults can be
generated on fault capable HWPTs when a translation is not present.
Routing them to userspace would allow a VMM to be able to virtualize them
into an emulated vIOMMU. This is the next step to fully enabling vSVA
support.
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd updates from Jason Gunthorpe:
- The iova_bitmap logic for efficiently reporting dirty pages back to
userspace has a few more tricky corner case bugs that have been
resolved and backed with new tests.
The revised version has simpler logic.
- Shared branch with iommu for handle support when doing domain attach.
Handles allow the domain owner to include additional private data on
a per-device basis.
- IO Page Fault Reporting to userspace via iommufd. Page faults can be
generated on fault capable HWPTs when a translation is not present.
Routing them to userspace would allow a VMM to be able to virtualize
them into an emulated vIOMMU. This is the next step to fully enabling
vSVA support.
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd: (26 commits)
iommufd: Put constants for all the uAPI enums
iommufd: Fix error pointer checking
iommufd: Add check on user response code
iommufd: Remove IOMMUFD_PAGE_RESP_FAILURE
iommufd: Require drivers to supply the cache_invalidate_user ops
iommufd/selftest: Add coverage for IOPF test
iommufd/selftest: Add IOPF support for mock device
iommufd: Associate fault object with iommufd_hw_pgtable
iommufd: Fault-capable hwpt attach/detach/replace
iommufd: Add iommufd fault object
iommufd: Add fault and response message definitions
iommu: Extend domain attach group with handle support
iommu: Add attach handle to struct iopf_group
iommu: Remove sva handle list
iommu: Introduce domain attachment handle
iommufd/iova_bitmap: Remove iterator logic
iommufd/iova_bitmap: Dynamic pinning on iova_bitmap_set()
iommufd/iova_bitmap: Consolidate iova_bitmap_set exit conditionals
iommufd/iova_bitmap: Move initial pinning to iova_bitmap_for_each()
iommufd/iova_bitmap: Cache mapped length in iova_bitmap_map struct
...
This is additional fix that supplements my earlier fixes for handling
auth, which I unfortunately missed last time.
BR, Jarkko
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Merge tag 'tpmdd-next-6.11-rc1-roundtwo' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull tpm fix from Jarkko Sakkinen:
"An additional fix that supplements my earlier fixes for handling auth,
which I unfortunately missed last time"
* tag 'tpmdd-next-6.11-rc1-roundtwo' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
tpm: Use auth only after NULL check in tpm_buf_check_hmac_response()
API:
- Test setkey in no-SIMD context.
- Add skcipher speed test for user-specified algorithm.
Algorithms:
- Add x25519 support on ppc64le.
- Add VAES and AVX512 / AVX10 optimized AES-GCM on x86.
- Remove sm2 algorithm.
Drivers:
- Add Allwinner H616 support to sun8i-ce.
- Use DMA in stm32.
- Add Exynos850 hwrng support to exynos.
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Merge tag 'v6.11-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
"API:
- Test setkey in no-SIMD context
- Add skcipher speed test for user-specified algorithm
Algorithms:
- Add x25519 support on ppc64le
- Add VAES and AVX512 / AVX10 optimized AES-GCM on x86
- Remove sm2 algorithm
Drivers:
- Add Allwinner H616 support to sun8i-ce
- Use DMA in stm32
- Add Exynos850 hwrng support to exynos"
* tag 'v6.11-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (81 commits)
hwrng: core - remove (un)register_miscdev()
crypto: lib/mpi - delete unnecessary condition
crypto: testmgr - generate power-of-2 lengths more often
crypto: mxs-dcp - Ensure payload is zero when using key slot
hwrng: Kconfig - Do not enable by default CN10K driver
crypto: starfive - Fix nent assignment in rsa dec
crypto: starfive - Align rsa input data to 32-bit
crypto: qat - fix unintentional re-enabling of error interrupts
crypto: qat - extend scope of lock in adf_cfg_add_key_value_param()
Documentation: qat: fix auto_reset attribute details
crypto: sun8i-ce - add Allwinner H616 support
crypto: sun8i-ce - wrap accesses to descriptor address fields
dt-bindings: crypto: sun8i-ce: Add compatible for H616
hwrng: core - Fix wrong quality calculation at hw rng registration
hwrng: exynos - Enable Exynos850 support
hwrng: exynos - Add SMC based TRNG operation
hwrng: exynos - Implement bus clock control
hwrng: exynos - Use devm_clk_get_enabled() to get the clock
hwrng: exynos - Improve coding style
dt-bindings: rng: Add Exynos850 support to exynos-trng
...
Currently the BTRFS_MOUNT_* flags are already beyond 32 bits, this is
going to cause compilation errors for some 32 bit systems, as their
unsigned long is only 32 bits long, thus flag
BTRFS_MOUNT_IGNORESUPERFLAGS overflows and can lead to errors.
Fix the problem by:
- Migrate all existing BTRFS_MOUNT_* flags to unsigned long long
- Migrate all mount option related variables to unsigned long long
* btrfs_fs_info::mount_opt
* btrfs_fs_context::mount_opt
* mount_opt parameter of btrfs_check_options()
* old_opts parameter of btrfs_remount_begin()
* old_opts parameter of btrfs_remount_cleanup()
* mount_opt parameter of btrfs_check_mountopts_zoned()
* mount_opt and opt parameters of check_ro_option()
Fixes: 32e6216512b4 ("btrfs: introduce new "rescue=ignoresuperflags" mount option")
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
'struct dm_block_validator' are not modified in these drivers.
Constifying this structure moves some data to a read-only section, so
increase overall security.
On a x86_64, with allmodconfig, as an example:
Before:
======
text data bss dec hex filename
32047 920 16 32983 80d7 drivers/md/dm-cache-metadata.o
After:
=====
text data bss dec hex filename
32075 896 16 32987 80db drivers/md/dm-cache-metadata.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
This commit introduces a new 'I' mode for dm-integrity.
The 'I' mode may be selected if the underlying device has non-power-of-2
sector size. In this mode, dm-integrity will store integrity data
directly in device's sectors and it will not use journal.
This mode improves performance and reduces flash wear because there would
be no journal writes.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
The new HAVE_PWRCTL option is defined in the PCI subsystem, so
selecting it unconditionally when PCI is disabled causes a harmless
warning:
WARNING: unmet direct dependencies detected for HAVE_PWRCTL
Depends on [n]: PCI [=n]
Selected by [y]:
- ARCH_QCOM [=y]
Add 'if PCI' in the qualcomm platform to hide the warning.
Fixes: ed70aaac7c35 ("Kconfig: reduce the amount of power sequencing noise")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Add sys_uretprobe entry to scripts/syscall.tbl as same as
arch/x86/entry/syscalls/syscall_64.tbl.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/all/20240719102824.1e086a40@canb.auug.org.au/
Fixes: 63ded110979b ("uprobe: Change uretprobe syscall scope and number")
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Additional fixes on top of the original 6.11 pull request:
- undefined behaviour fixes, originally noted as breaking userspace LTO
builds
- fix a spurious warning in fsck_err, reported by Marcin
- fix an integer overflow on trans->nr_updates, also reported by Marcin;
this broke during deletion of highly fragmented indirect extents
- Add comments for lockdep functions
======
- Metadata version 1.8: Stripe sectors accounting, BCH_DATA_unstriped
This splits out the accounting of dirty sectors and stripe sectors in
alloc keys; this lets us see stripe buckets that still have unstriped
data in them.
This is needed for ensuring that erasure coding is working correctly, as
well as completing stripe creation after a crash.
- Metadata version 1.9: Disk accounting rewrite
The previous disk accounting scheme relied heavily on percpu counters
that were also sharded by outstanding journal buffer; it was fast but
not extensible or scalable, and meant that all accounting counters were
recorded in every journal entry.
The new disk accounting scheme stores accounting as normal btree keys;
updates are deltas until they are flushed by the btree write buffer.
This means we have no practical limit on the number of counters, and a
new tagged union format that's easy to extend.
We now have counters for compression type/ratio, per-snapshot-id usage,
per-btree-id usage, and pending rebalance work.
- Self healing on read IO/checksum error
data is now automatically rewritten if we get a read error and then a
successful retry
- Mount API conversion (thanks to Thomas Bertschinger)
- Better lockdep coverage
Previously, btree node locks were tracked individually by lockdep, like
any other lock. But we may take _many_ btree node locks simultaneously,
we easily blow through the limit of 48 locks that lockdep can track,
leading to lockdep turning itself off.
Tracking each btree node lock individually isn't really necessary since
we have our own cycle detector for deadlock avoidance and centralized
tracking of btree node locks, so we now have a single lockdep_map in
btree_trans for "any btree nodes are locked".
- some more small incremental work towards online check_allocations
- lots more debugging improvements, fixes
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Merge tag 'bcachefs-2024-07-18.2' of https://evilpiepirate.org/git/bcachefs
Pull bcachefs updates from Kent Overstreet:
- Metadata version 1.8: Stripe sectors accounting, BCH_DATA_unstriped
This splits out the accounting of dirty sectors and stripe sectors in
alloc keys; this lets us see stripe buckets that still have unstriped
data in them.
This is needed for ensuring that erasure coding is working correctly,
as well as completing stripe creation after a crash.
- Metadata version 1.9: Disk accounting rewrite
The previous disk accounting scheme relied heavily on percpu counters
that were also sharded by outstanding journal buffer; it was fast but
not extensible or scalable, and meant that all accounting counters
were recorded in every journal entry.
The new disk accounting scheme stores accounting as normal btree
keys; updates are deltas until they are flushed by the btree write
buffer.
This means we have no practical limit on the number of counters, and
a new tagged union format that's easy to extend.
We now have counters for compression type/ratio, per-snapshot-id
usage, per-btree-id usage, and pending rebalance work.
- Self healing on read IO/checksum error
Data is now automatically rewritten if we get a read error and then a
successful retry
- Mount API conversion (thanks to Thomas Bertschinger)
- Better lockdep coverage
Previously, btree node locks were tracked individually by lockdep,
like any other lock. But we may take _many_ btree node locks
simultaneously, we easily blow through the limit of 48 locks that
lockdep can track, leading to lockdep turning itself off.
Tracking each btree node lock individually isn't really necessary
since we have our own cycle detector for deadlock avoidance and
centralized tracking of btree node locks, so we now have a single
lockdep_map in btree_trans for "any btree nodes are locked".
- Some more small incremental work towards online check_allocations
- Lots more debugging improvements
- Fixes, including:
- undefined behaviour fixes, originally noted as breaking userspace
LTO builds
- fix a spurious warning in fsck_err, reported by Marcin
- fix an integer overflow on trans->nr_updates, also reported by
Marcin; this broke during deletion of highly fragmented indirect
extents
* tag 'bcachefs-2024-07-18.2' of https://evilpiepirate.org/git/bcachefs: (120 commits)
lockdep: Add comments for lockdep_set_no{validate,track}_class()
bcachefs: Fix integer overflow on trans->nr_updates
bcachefs: silence silly kdoc warning
bcachefs: Fix fsck warning about btree_trans not passed to fsck error
bcachefs: Add an error message for insufficient rw journal devs
bcachefs: varint: Avoid left-shift of a negative value
bcachefs: darray: Don't pass NULL to memcpy()
bcachefs: Kill bch2_assert_btree_nodes_not_locked()
bcachefs: Rename BCH_WRITE_DONE -> BCH_WRITE_SUBMITTED
bcachefs: __bch2_read(): call trans_begin() on every loop iter
bcachefs: show none if label is not set
bcachefs: drop packed, aligned from bkey_inode_buf
bcachefs: btree node scan: fall back to comparing by journal seq
bcachefs: Add lockdep support for btree node locks
lockdep: lockdep_set_notrack_class()
bcachefs: Improve copygc_wait_to_text()
bcachefs: Convert clock code to u64s
bcachefs: Improve startup message
bcachefs: Self healing on read IO error
bcachefs: Make read_only a mount option again, but hidden
...
New Features:
* Add support for large folios
* Implement rpcrdma generic device removal notification
* Add client support for attribute delegations
* Use a LAYOUTRETURN during reboot recovery to report layoutstats and errors
* Improve throughput for random buffered writes
* Add NVMe support to pnfs/blocklayout
Bugfixes:
* Fix rpcrdma_reqs_reset()
* Avoid soft lockups when using UDP
* Fix an nfs/blocklayout premature PR key unregestration
* Another fix for EXCHGID4_FLAG_USE_PNFS_DS for DS server
* Do not extend writes to the entire folio
* Pass explicit offset and count values to tracepoints
* Fix a race to wake up sleeping SUNRPC sync tasks
* Fix gss_status tracepoint output
Cleanups:
* Add missing MODULE_DESCRIPTION() macros
* Add blocklayout / SCSI layout tracepoints
* Remove asm-generic headers from xprtrdma verbs.c
* Remove unused 'struct mnt_fhstatus'
* Other delegation related cleanups
* Other folio related cleanups
* Other pNFS related cleanups
* Other xprtrdma cleanups
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Merge tag 'nfs-for-6.11-1' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client updates from Anna Schumaker:
"New Features:
- Add support for large folios
- Implement rpcrdma generic device removal notification
- Add client support for attribute delegations
- Use a LAYOUTRETURN during reboot recovery to report layoutstats
and errors
- Improve throughput for random buffered writes
- Add NVMe support to pnfs/blocklayout
Bugfixes:
- Fix rpcrdma_reqs_reset()
- Avoid soft lockups when using UDP
- Fix an nfs/blocklayout premature PR key unregestration
- Another fix for EXCHGID4_FLAG_USE_PNFS_DS for DS server
- Do not extend writes to the entire folio
- Pass explicit offset and count values to tracepoints
- Fix a race to wake up sleeping SUNRPC sync tasks
- Fix gss_status tracepoint output
Cleanups:
- Add missing MODULE_DESCRIPTION() macros
- Add blocklayout / SCSI layout tracepoints
- Remove asm-generic headers from xprtrdma verbs.c
- Remove unused 'struct mnt_fhstatus'
- Other delegation related cleanups
- Other folio related cleanups
- Other pNFS related cleanups
- Other xprtrdma cleanups"
* tag 'nfs-for-6.11-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (63 commits)
SUNRPC: Fixup gss_status tracepoint error output
SUNRPC: Fix a race to wake a sync task
nfs: split nfs_read_folio
nfs: pass explicit offset/count to trace events
nfs: do not extend writes to the entire folio
nfs/blocklayout: add support for NVMe
nfs: remove nfs_page_length
nfs: remove the unused max_deviceinfo_size field from struct pnfs_layoutdriver_type
nfs: don't reuse partially completed requests in nfs_lock_and_join_requests
nfs: move nfs_wait_on_request to write.c
nfs: fold nfs_page_group_lock_subrequests into nfs_lock_and_join_requests
nfs: fold nfs_folio_find_and_lock_request into nfs_lock_and_join_requests
nfs: simplify nfs_folio_find_and_lock_request
nfs: remove nfs_folio_private_request
nfs: remove dead code for the old swap over NFS implementation
NFSv4.1 another fix for EXCHGID4_FLAG_USE_PNFS_DS for DS server
nfs: Block on write congestion
nfs: Properly initialize server->writeback
nfs: Drop pointless check from nfs_commit_release_pages()
nfs/blocklayout: SCSI layout trace points for reservation key reg/unreg
...
feature. Also some performance improvements; in particular, improving
IOPS and throughput on fast devices running Async Direct I/O by up to
20% by optimizing jbd2_transaction_committed().
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Merge tag 'ext4_for_linus-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"Many cleanups and bug fixes in ext4, especially for the fast commit
feature.
Also some performance improvements; in particular, improving IOPS and
throughput on fast devices running Async Direct I/O by up to 20% by
optimizing jbd2_transaction_committed()"
* tag 'ext4_for_linus-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (40 commits)
ext4: make sure the first directory block is not a hole
ext4: check dot and dotdot of dx_root before making dir indexed
ext4: sanity check for NULL pointer after ext4_force_shutdown
jbd2: increase maximum transaction size
jbd2: drop pointless shrinker batch initialization
jbd2: avoid infinite transaction commit loop
jbd2: precompute number of transaction descriptor blocks
jbd2: make jbd2_journal_get_max_txn_bufs() internal
jbd2: avoid mount failed when commit block is partial submitted
ext4: avoid writing unitialized memory to disk in EA inodes
ext4: don't track ranges in fast_commit if inode has inlined data
ext4: fix possible tid_t sequence overflows
ext4: use ext4_update_inode_fsync_trans() helper in inode creation
ext4: add missing MODULE_DESCRIPTION()
jbd2: add missing MODULE_DESCRIPTION()
ext4: use memtostr_pad() for s_volume_name
jbd2: speed up jbd2_transaction_committed()
ext4: make ext4_da_map_blocks() buffer_head unaware
ext4: make ext4_insert_delayed_block() insert multi-blocks
ext4: factor out a helper to check the cluster allocation state
...
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Merge tag 'vfs-6.11-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- Fix a missing rcu_read_unlock() in nsfs by switching to a cleanup
guard
- Add missing module descriptor for adfs
* tag 'vfs-6.11-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
nsfs: use cleanup guard
fs/adfs: add MODULE_DESCRIPTION
around, mostly more of the usual:
- More Spanish, Italian, and Chinese translations
- A new script, scripts/checktransupdate.py, can be used to see which
commits have touched an (English) document since a given translation was
last updated.
- A couple of "best practices" suggestions (on Link: tags and off-list
discussions) that were not entirely at consensus level, but I concluded
they were close enough to accept.
- Some nice cleanups removing documentation for kernel parameters that have
not been recognized for ... a long time.
...along with the usual updates, typo fixes, and such.
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Merge tag 'docs-6.11' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"Nothing hugely exciting happening in the documentation tree this time
around, mostly more of the usual:
- More Spanish, Italian, and Chinese translations
- A new script, scripts/checktransupdate.py, can be used to see which
commits have touched an (English) document since a given
translation was last updated.
- A couple of "best practices" suggestions (on Link: tags and
off-list discussions) that were not entirely at consensus level,
but I concluded they were close enough to accept.
- Some nice cleanups removing documentation for kernel parameters
that have not been recognized for ... a long time.
...along with the usual updates, typo fixes, and such"
* tag 'docs-6.11' of git://git.lwn.net/linux: (57 commits)
Documentation: Document user_events ioctl code
docs/pinctrl: fix typo in mapping example
docs: maintainer: discourage taking conversations off-list
docs: driver-model: platform: update the definition of platform_driver
docs/sp_SP: Add translation for scheduler/sched-design-CFS.rst
writing_musb_glue_layer.rst: Fix broken URL
zh_CN/admin-guide: one typo fix
docs/zh_CN/virt: Update the translation of guest-halt-polling.rst
Documentation: add reference from dynamic debug to loglevel kernel params
Documentation: best practices for using Link trailers
Documentation: fix links to mailing list services
Documentation: exception-tables.rst: Fix the wrong steps referenced
docs/zh_CN: add process/researcher-guidelines Chinese translation
Documentation/tools/rv: fix document header
docs/sp_SP: Add translation of process/maintainer-kvm-x86.rst
docs/admin-guide/mm: correct typo 'quired' to 'queried'
Add libps2 to the input section of driver-api
Docs/mm/index: move allocation profiling document to unsorted documents chapter
Docs/mm/index: rename 'Legacy Documentation' to 'Unsorted Documentation'
Docs/mm/index: Remove 'Memory Management Guide' chapter marker
...
- Add MODULE_DESCRIPTION for a number of sbus drivers
- Fix linking error for large sparc32 kernels
- Fix incorrect functions signature and prototype warnings for sparc64
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Merge tag 'sparc-for-6.11-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/alarsson/linux-sparc
Pull sparc updates from Andreas Larsson:
- Add MODULE_DESCRIPTION for a number of sbus drivers
- Fix linking error for large sparc32 kernels
- Fix incorrect functions signature and prototype warnings for sparc64
* tag 'sparc-for-6.11-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/alarsson/linux-sparc:
sparc64: Fix prototype warnings in hibernate.c
sparc64: Fix prototype warning for prom_get_mmu_ihandle
sparc64: Fix incorrect function signature and add prototype for prom_cif_init
sparc64: Fix prototype warnings for floppy_64.h
sparc32: Fix truncated relocation errors when linking large kernels
sbus: add missing MODULE_DESCRIPTION() macros
- Remove restrictions on PAI NNPA and crypto counters, enabling
concurrent per-task and system-wide sampling and counting events
- Switch to GENERIC_CPU_DEVICES by setting up the CPU present mask in
the architecture code and letting the generic code handle CPU bring-up
- Add support for the diag204 busy indication facility to prevent
undesirable blocking during hypervisor logical CPU utilization
queries. Implement results caching
- Improve the handling of Store Data SCLP events by suppressing
unnecessary warning, preventing buffer release in I/O during failures,
and adding timeout handling for Store Data requests to address potential
firmware issues
- Provide optimized __arch_hweight*() implementations
- Remove the unnecessary CPU KOBJ_CHANGE uevents generated during topology
updates, as they are unused and also not present on other architectures
- Cleanup atomic_ops, optimize __atomic_set() for small values and
__atomic_cmpxchg_bool() for compilers supporting flag output constraint
- Couple of cleanups for KVM:
- Move and improve KVM struct definitions for DAT tables from gaccess.c
to a new header
- Pass the asce as parameter to sie64a()
- Make the crdte() and cspg() page table handling wrappers return a
boolean to indicate success, like the other existing "compare and swap"
wrappers
- Add documentation for HWCAP flags
- Switch to obtaining total RAM pages from memblock instead of
totalram_pages() during mm init, to ensure correct calculation of zero
page size, when defer_init is enabled
- Refactor lowcore access and switch to using the get_lowcore() function
instead of the S390_lowcore macro
- Cleanups for PG_arch_1 and folio handling in UV and hugetlb code
- Add missing MODULE_DESCRIPTION() macros
- Fix VM_FAULT_HWPOISON handling in do_exception()
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Merge tag 's390-6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Vasily Gorbik:
- Remove restrictions on PAI NNPA and crypto counters, enabling
concurrent per-task and system-wide sampling and counting events
- Switch to GENERIC_CPU_DEVICES by setting up the CPU present mask in
the architecture code and letting the generic code handle CPU
bring-up
- Add support for the diag204 busy indication facility to prevent
undesirable blocking during hypervisor logical CPU utilization
queries. Implement results caching
- Improve the handling of Store Data SCLP events by suppressing
unnecessary warning, preventing buffer release in I/O during
failures, and adding timeout handling for Store Data requests to
address potential firmware issues
- Provide optimized __arch_hweight*() implementations
- Remove the unnecessary CPU KOBJ_CHANGE uevents generated during
topology updates, as they are unused and also not present on other
architectures
- Cleanup atomic_ops, optimize __atomic_set() for small values and
__atomic_cmpxchg_bool() for compilers supporting flag output
constraint
- Couple of cleanups for KVM:
- Move and improve KVM struct definitions for DAT tables from
gaccess.c to a new header
- Pass the asce as parameter to sie64a()
- Make the crdte() and cspg() page table handling wrappers return a
boolean to indicate success, like the other existing "compare and
swap" wrappers
- Add documentation for HWCAP flags
- Switch to obtaining total RAM pages from memblock instead of
totalram_pages() during mm init, to ensure correct calculation of
zero page size, when defer_init is enabled
- Refactor lowcore access and switch to using the get_lowcore()
function instead of the S390_lowcore macro
- Cleanups for PG_arch_1 and folio handling in UV and hugetlb code
- Add missing MODULE_DESCRIPTION() macros
- Fix VM_FAULT_HWPOISON handling in do_exception()
* tag 's390-6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (54 commits)
s390/mm: Fix VM_FAULT_HWPOISON handling in do_exception()
s390/kvm: Move bitfields for dat tables
s390/entry: Pass the asce as parameter to sie64a()
s390/sthyi: Use cached data when diag is busy
s390/sthyi: Move diag operations
s390/hypfs_diag: Diag204 busy loop
s390/diag: Add busy-indication-facility requirements
s390/diag: Diag204 add busy return errno
s390/diag: Return errno's from diag204
s390/sclp: Diag204 busy indication facility detection
s390/atomic_ops: Make use of flag output constraint
s390/atomic_ops: Improve __atomic_set() for small values
s390/atomic_ops: Use symbolic names
s390/smp: Switch to GENERIC_CPU_DEVICES
s390/hwcaps: Add documentation for HWCAP flags
s390/pgtable: Make crdte() and cspg() return a value
s390/topology: Remove CPU KOBJ_CHANGE uevents
s390/sclp: Add timeout to Store Data requests
s390/sclp: Prevent release of buffer in I/O
s390/sclp: Suppress unnecessary Store Data warning
...
If a btree_trans is in use it's supposed to be passed to fsck_err so
that it can be unlocked if we're waiting on userspace input; but the
btree IO paths do call fsck errors where a btree_trans exists on the
stack but it's not passed through.
But it's ok, because it's unlocked while doing IO.
Fixes: a850bde6498b ("bcachefs: fsck_err() may now take a btree_trans")
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Shifting a negative value left is undefined.
Signed-off-by: Tavian Barnes <tavianator@tavianator.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
- Enable the named address spaces based percpu accessors optimization
on all GCC versions that contain this feature, detected through
a build-time testcase. This effectively enables the feature on
GCC 6, GCC 7 and GCC 8 versions.
- Fix operand constraint modifier in __raw_cpu_write()
- Reorganize the per-CPU headers for better readability
- Misc cleanups and fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-percpu-2024-07-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 percpu updates from Ingo Molnar:
- Enable the named address spaces based percpu accessors optimization
on all GCC versions that contain this feature, detected through a
build-time testcase.
This effectively enables the feature on GCC 6, GCC 7 and GCC 8
versions.
- Fix operand constraint modifier in __raw_cpu_write()
- Reorganize the per-CPU headers for better readability
- Misc cleanups and fixes
* tag 'x86-percpu-2024-07-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/percpu: Enable named address spaces for all capable GCC versions
x86/percpu: Clean up <asm/percpu.h> vertical alignment details
x86/percpu: Clean up <asm/percpu.h> a bit
x86/percpu: Move some percpu accessors around to reduce ifdeffery
x86/percpu: Rename percpu_stable_op() to __raw_cpu_read_stable()
x86/percpu: Fix operand constraint modifier in __raw_cpu_write()
x86/percpu: Introduce the __raw_cpu_read_const() macro
x86/percpu: Unify percpu read-write accessors
x86/percpu: Move some percpu macros around for readability
x86/percpu: Introduce the pcpu_binary_op() macro
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Merge tag 'slab-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab updates from Vlastimil Babka:
"The most prominent change this time is the kmem_buckets based
hardening of kmalloc() allocations from Kees Cook.
We have also extended the kmalloc() alignment guarantees for
non-power-of-two sizes in a way that benefits rust.
The rest are various cleanups and non-critical fixups.
- Dedicated bucket allocator (Kees Cook)
This series [1] enhances the probabilistic defense against heap
spraying/grooming of CONFIG_RANDOM_KMALLOC_CACHES from last year.
kmalloc() users that are known to be useful for exploits can get
completely separate set of kmalloc caches that can't be shared with
other users. The first converted users are alloc_msg() and
memdup_user().
The hardening is enabled by CONFIG_SLAB_BUCKETS.
- Extended kmalloc() alignment guarantees (Vlastimil Babka)
For years now we have guaranteed natural alignment for power-of-two
allocations, but nothing was defined for other sizes (in practice,
we have two such buckets, kmalloc-96 and kmalloc-192).
To avoid unnecessary padding in the rust layer due to its alignment
rules, extend the guarantee so that the alignment is at least the
largest power-of-two divisor of the requested size.
This fits what rust needs, is a superset of the existing
power-of-two guarantee, and does not in practice change the layout
(and thus does not add overhead due to padding) of the kmalloc-96
and kmalloc-192 caches, unless slab debugging is enabled for them.
- Cleanups and non-critical fixups (Chengming Zhou, Suren
Baghdasaryan, Matthew Willcox, Alex Shi, and Vlastimil Babka)
Various tweaks related to the new alloc profiling code, folio
conversion, debugging and more leftovers after SLAB"
Link: https://lore.kernel.org/all/20240701190152.it.631-kees@kernel.org/ [1]
* tag 'slab-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
mm/memcg: alignment memcg_data define condition
mm, slab: move prepare_slab_obj_exts_hook under CONFIG_MEM_ALLOC_PROFILING
mm, slab: move allocation tagging code in the alloc path into a hook
mm/util: Use dedicated slab buckets for memdup_user()
ipc, msg: Use dedicated slab buckets for alloc_msg()
mm/slab: Introduce kmem_buckets_create() and family
mm/slab: Introduce kvmalloc_buckets_node() that can take kmem_buckets argument
mm/slab: Plumb kmem_buckets into __do_kmalloc_node()
mm/slab: Introduce kmem_buckets typedef
slab, rust: extend kmalloc() alignment guarantees to remove Rust padding
slab: delete useless RED_INACTIVE and RED_ACTIVE
slab: don't put freepointer outside of object if only orig_size
slab: make check_object() more consistent
mm: Reduce the number of slab->folio casts
mm, slab: don't wrap internal functions with alloc_hooks()
* reserve_mem command line parameter to allow creation of named memory
reservation at boot time.
The driving use-case is to improve the ability of pstore to retain
ramoops data across reboots.
* cleaunps and small improvements in memblock and mm_init
* new tests cases in memblock test suite
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Merge tag 'memblock-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock updates from Mike Rapoport:
- 'reserve_mem' command line parameter to allow creation of named
memory reservation at boot time.
The driving use-case is to improve the ability of pstore to retain
ramoops data across reboots.
- cleanups and small improvements in memblock and mm_init
- new tests cases in memblock test suite
* tag 'memblock-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock tests: fix implicit declaration of function 'numa_valid_node'
memblock: Move late alloc warning down to phys alloc
pstore/ramoops: Add ramoops.mem_name= command line option
mm/memblock: Add "reserve_mem" to reserved named memory at boot up
mm/mm_init.c: don't initialize page->lru again
mm/mm_init.c: not always search next deferred_init_pfn from very beginning
mm/mm_init.c: use deferred_init_mem_pfn_range_in_zone() to decide loop condition
mm/mm_init.c: get the highest zone directly
mm/mm_init.c: move nr_initialised reset down a bit
mm/memblock: fix a typo in description of for_each_mem_region()
mm/mm_init.c: use memblock_region_memory_base_pfn() to get startpfn
mm/memblock: use PAGE_ALIGN_DOWN to get pgend in free_memmap
mm/memblock: return true directly on finding overlap region
memblock tests: add memblock_overlaps_region_checks
mm/memblock: fix comment for memblock_isolate_range()
memblock tests: add memblock_reserve_many_may_conflict_check()
memblock tests: add memblock_reserve_all_locations_check()
mm/memblock: remove empty dummy entry
Build
-----
* Build each directory as a library so that depedency check for the
python extension module can be automatic. But it also introduces
some trivial merge conflicts with other trees that touched perf tools
codes. Basically it changes perf-y to perf-util-y or similar and you
can find the resolution in the perf-next tree here.
- https://lore.kernel.org/r/Zn8HeRRX3JV2IcxQ@sirena.org.uk
- https://lore.kernel.org/r/20240709100536.238f4d12@canb.auug.org.au
* Use pkg-config to check libtraceevent and libtracefs.
perf sched
----------
* Add --task-name and --fuzzy-name options for `perf sched map`. It's
to focus on selected tasks only by removing unrelated tasks in the
output. It matches the task comm with the given string and the
--fuzzy-name option allows the partial matching.
$ sudo perf sched record -a sleep 1
$ sudo perf sched map --task-name kworker --fuzzy-name
. . . . - *A0 . . 481065.315131 secs A0 => kworker/5:2-i91:438521
. . . . - *- . . 481065.315160 secs
*B0 . . . - . . . 481065.316435 secs B0 => kworker/0:0-i91:437860
*- . . . . . . . 481065.316441 secs
. . . . . *A0 . . 481065.318703 secs
. . . . . *- . . 481065.318717 secs
. . *C0 . . . . . 481065.320544 secs C0 => kworker/u16:30-:430186
. . *- . . . . . 481065.320555 secs
. . *D0 . . . . . 481065.328524 secs D0 => kworker/2:0-kdm:429654
*B0 . D0 . - . . . 481065.328527 secs
*- . D0 . - . . . 481065.328535 secs
. . *- . . . . . 481065.328535 secs
* Fix -r/--repeat option of perf sched replay. The documentation said
-1 will work as infinity but it didn't accept the value. Update the
code and document to use 0 instead.
* Fix perf sched timehist to account the delay time for preempted tasks.
Perf event filtering
--------------------
* perf top gained filtering support on regular events using BPF like
perf record. Previously it was able to use it for tracepoints only.
* The BPF filter now supports filtering by UID/GID. This should be
preferred than -u <UID> option as it's racy to scan /proc to check
tasks for the user and fails to open an event for the task if it's
already gone.
$ sudo perf top -e cycles --filter "uid == $(id -u)"
perf report
-----------
* Skip dummy events in the group output by default. The --skip-empty
option controls display of empty events without samples. But perf
report can force display all events in a group. In this case, auto-
added a dummy event (for a system-wide record) ends up in the output.
Now it can skip those empty events even in the group display mode.
To preserve the old behavior, run this:
$ perf report --group --no-skip-empty
perf stat
---------
* Choose the most disaggregate option when multiple aggregation options
are given. It used to pick the last option in the command line but
it can be confusing and not consistent. Now it'll choose the smallest
unit.
For example, it'd aggregate the result per-core when the user gave
both --per-socket and --per-core options at the same time.
Internals
---------
* Fix `perf bench` when some CPUs are offline.
* Fix handling of JIT symbol mappings to accept "/tmp/perf-${PID}.map
patterns only so that it can not be confused by other /tmp/perf-*
files.
* Many improvements and fixes for `perf test`.
Others
------
* Support some new instructions for Intel-PT.
* Fix syscall ID mapping in perf trace.
* Document AMD IBS PMU usages.
* Change `perf lock info` to show map and thread info by default.
Vendor JSON events
------------------
* Update Intel events and metrics
* Add i.MX9[35] DDR metrics
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Merge tag 'perf-tools-for-v6.11-2024-07-16' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools updates from Namhyung Kim:
"Build:
- Build each directory as a library so that depedency check for the
python extension module can be automatic
- Use pkg-config to check libtraceevent and libtracefs
perf sched:
- Add --task-name and --fuzzy-name options for `perf sched map`
It focuses on selected tasks only by removing unrelated tasks in
the output. It matches the task comm with the given string and the
--fuzzy-name option allows the partial matching:
$ sudo perf sched record -a sleep 1
$ sudo perf sched map --task-name kworker --fuzzy-name
. . . . - *A0 . . 481065.315131 secs A0 => kworker/5:2-i91:438521
. . . . - *- . . 481065.315160 secs
*B0 . . . - . . . 481065.316435 secs B0 => kworker/0:0-i91:437860
*- . . . . . . . 481065.316441 secs
. . . . . *A0 . . 481065.318703 secs
. . . . . *- . . 481065.318717 secs
. . *C0 . . . . . 481065.320544 secs C0 => kworker/u16:30-:430186
. . *- . . . . . 481065.320555 secs
. . *D0 . . . . . 481065.328524 secs D0 => kworker/2:0-kdm:429654
*B0 . D0 . - . . . 481065.328527 secs
*- . D0 . - . . . 481065.328535 secs
. . *- . . . . . 481065.328535 secs
- Fix -r/--repeat option of perf sched replay
The documentation said -1 will work as infinity but it didn't
accept the value. Update the code and document to use 0 instead
- Fix perf sched timehist to account the delay time for preempted
tasks
Perf event filtering:
- perf top gained filtering support on regular events using BPF like
perf record. Previously it was able to use it for tracepoints only
- The BPF filter now supports filtering by UID/GID. This should be
preferred than -u <UID> option as it's racy to scan /proc to check
tasks for the user and fails to open an event for the task if it's
already gone
$ sudo perf top -e cycles --filter "uid == $(id -u)"
perf report:
- Skip dummy events in the group output by default. The --skip-empty
option controls display of empty events without samples. But perf
report can force display all events in a group
In this case, auto-added a dummy event (for a system-wide record)
ends up in the output. Now it can skip those empty events even in
the group display mode
To preserve the old behavior, run this:
$ perf report --group --no-skip-empty
perf stat:
- Choose the most disaggregate option when multiple aggregation
options are given. It used to pick the last option in the command
line but it can be confusing and not consistent. Now it'll choose
the smallest unit
For example, it'd aggregate the result per-core when the user gave
both --per-socket and --per-core options at the same time
Internals:
- Fix `perf bench` when some CPUs are offline
- Fix handling of JIT symbol mappings to accept "/tmp/perf-${PID}.map
patterns only so that it can not be confused by other /tmp/perf-*
files
- Many improvements and fixes for `perf test`
Others:
- Support some new instructions for Intel-PT
- Fix syscall ID mapping in perf trace
- Document AMD IBS PMU usages
- Change `perf lock info` to show map and thread info by default
Vendor JSON events:
- Update Intel events and metrics
- Add i.MX9[35] DDR metrics"
* tag 'perf-tools-for-v6.11-2024-07-16' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (125 commits)
perf trace: Fix iteration of syscall ids in syscalltbl->entries
perf dso: Fix address sanitizer build
perf mem: Warn if memory events are not supported on all CPUs
perf arm-spe: Support multiple Arm SPE PMUs
perf build x86: Fix SC2034 error in syscalltbl.sh
perf record: Fix memset out-of-range error
perf sched map: Add --fuzzy-name option for fuzzy matching in task names
perf sched map: Add support for multiple task names using CSV
perf sched map: Add task-name option to filter the output map
perf build: Conditionally add feature check flags for libtrace{event,fs}
perf install: Don't propagate subdir to Documentation submake
perf vendor events arm64:: Add i.MX95 DDR Performance Monitor metrics
perf vendor events arm64:: Add i.MX93 DDR Performance Monitor metrics
perf dsos: When adding a dso into sorted dsos maintain the sort order
perf comm str: Avoid sort during insert
perf report: Calling available function for stats printing
perf intel-pt: Fix exclude_guest setting
perf intel-pt: Fix aux_watermark calculation for 64-bit size
perf sched replay: Fix -r/--repeat command line option for infinity
perf: pmus: Remove unneeded semicolon
...
- Update Daniel Bristot de Oliveira's entry in MAINTAINERS with respect to
his tracing code.
- Add more credits to him in CREDITS file and move his entry to be
alphabetical.
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Merge tag 'trace-v6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing CREDITS file update from Steven Rostedt:
"Update of MAINTAINERS and CREDITS file
- Update Daniel Bristot de Oliveira's entry in MAINTAINERS with
respect to his tracing code.
- Add more credits to him in CREDITS file and move his entry to be
alphabetical"
* tag 'trace-v6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Update MAINTAINERS file
- Use pretty formatting only on interactive tty in rtla/osnoise
- Better reporting when histogram is empty in rtla/osnoise
- Use the correct library name for "libtracefs" in feature detection
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Merge tag 'trace-tools-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing tools updates from Steven Rostedt:
"Trivial updates for 6.11:
- Use pretty formatting only on interactive tty in rtla/osnoise
- Better reporting when histogram is empty in rtla/osnoise
- Use the correct library name for "libtracefs" in feature detection"
* tag 'trace-tools-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tools: build: use correct lib name for libtracefs feature detection
rtla/osnoise: Better report when histogram is empty
rtla/osnoise: Use pretty formatting only on interactive tty
Up until now, the function graph tracer could only have a single user
attached to it. If another user tried to attach to the function graph
tracer while one was already attached, it would fail. Allowing function
graph tracer to have more than one user has been asked for since 2009, but
it required a rewrite to the logic to pull it off so it never happened.
Until now!
There's three systems that trace the return of a function. That is
kretprobes, function graph tracer, and BPF. kretprobes and function graph
tracing both do it similarly. The difference is that kretprobes uses a
shadow stack per callback and function graph tracer creates a shadow stack
for all tasks. The function graph tracer method makes it possible to trace
the return of all functions. As kretprobes now needs that feature too,
allowing it to use function graph tracer was needed. BPF also wants to
trace the return of many probes and its method doesn't scale either.
Having it use function graph tracer would improve that.
By allowing function graph tracer to have multiple users allows both
kretprobes and BPF to use function graph tracer in these cases. This will
allow kretprobes code to be removed in the future as it's version will no
longer be needed. Note, function graph tracer is only limited to 16
simultaneous users, due to shadow stack size and allocated slots.
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Merge tag 'ftrace-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull ftrace updates from Steven Rostedt:
"Rewrite of function graph tracer to allow multiple users
Up until now, the function graph tracer could only have a single user
attached to it. If another user tried to attach to the function graph
tracer while one was already attached, it would fail. Allowing
function graph tracer to have more than one user has been asked for
since 2009, but it required a rewrite to the logic to pull it off so
it never happened. Until now!
There's three systems that trace the return of a function. That is
kretprobes, function graph tracer, and BPF. kretprobes and function
graph tracing both do it similarly. The difference is that kretprobes
uses a shadow stack per callback and function graph tracer creates a
shadow stack for all tasks. The function graph tracer method makes it
possible to trace the return of all functions. As kretprobes now needs
that feature too, allowing it to use function graph tracer was needed.
BPF also wants to trace the return of many probes and its method
doesn't scale either. Having it use function graph tracer would
improve that.
By allowing function graph tracer to have multiple users allows both
kretprobes and BPF to use function graph tracer in these cases. This
will allow kretprobes code to be removed in the future as it's version
will no longer be needed.
Note, function graph tracer is only limited to 16 simultaneous users,
due to shadow stack size and allocated slots"
* tag 'ftrace-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (49 commits)
fgraph: Use str_plural() in test_graph_storage_single()
function_graph: Add READ_ONCE() when accessing fgraph_array[]
ftrace: Add missing kerneldoc parameters to unregister_ftrace_direct()
function_graph: Everyone uses HAVE_FUNCTION_GRAPH_RET_ADDR_PTR, remove it
function_graph: Fix up ftrace_graph_ret_addr()
function_graph: Make fgraph_update_pid_func() a stub for !DYNAMIC_FTRACE
function_graph: Rename BYTE_NUMBER to CHAR_NUMBER in selftests
fgraph: Remove some unused functions
ftrace: Hide one more entry in stack trace when ftrace_pid is enabled
function_graph: Do not update pid func if CONFIG_DYNAMIC_FTRACE not enabled
function_graph: Make fgraph_do_direct static key static
ftrace: Fix prototypes for ftrace_startup/shutdown_subops()
ftrace: Assign RCU list variable with rcu_assign_ptr()
ftrace: Assign ftrace_list_end to ftrace_ops_list type cast to RCU
ftrace: Declare function_trace_op in header to quiet sparse warning
ftrace: Add comments to ftrace_hash_move() and friends
ftrace: Convert "inc" parameter to bool in ftrace_hash_rec_update_modify()
ftrace: Add comments to ftrace_hash_rec_disable/enable()
ftrace: Remove "filter_hash" parameter from __ftrace_hash_rec_update()
ftrace: Rename dup_hash() and comment it
...
- Set rtla/osnoise default threshold to 1us from 5us
The 5us default was missing noise that people cared about.
Changing it to 1us makes it work as expected.
- Restructure how sched_switch prev_comm and next_comm was being saved.
The prev_comm was being saved along with the other next fields, and the
next_comm was being saved along with the other prev fields. This is just
a cosmetic change.
- Have the allocation of pid_list use GFP_NOWAIT instead of GFP_KERNEL.
The allocation can happen in irq_work context, but luckily, the size
was by default so large, it was never triggered. But in case it ever is,
use the NOWAIT allocation in the interrupt context.
- Fix some kernel doc errors.
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Merge tag 'trace-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing updates from Steven Rostedt:
"Trivial updates for 6.11:
- Set rtla/osnoise default threshold to 1us from 5us
The 5us default was missing noise that people cared about. Changing
it to 1us makes it work as expected.
- Restructure how sched_switch prev_comm and next_comm was being saved
The prev_comm was being saved along with the other next fields, and
the next_comm was being saved along with the other prev fields.
This is just a cosmetic change.
- Have the allocation of pid_list use GFP_NOWAIT instead of GFP_KERNEL
The allocation can happen in irq_work context, but luckily, the
size was by default so large, it was never triggered. But in case
it ever is, use the NOWAIT allocation in the interrupt context.
- Fix some kernel doc errors"
* tag 'trace-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
trace/pid_list: Change gfp flags in pid_list_fill_irq()
tracing/sched: sched_switch: place prev_comm and next_comm in right order
rtla/osnoise: set the default threshold to 1us
tracing: Fix trace_pid_list_free() kernel-doc
- Remove duplicate included header file linux/bootconfig.h from
lib/bootconfig.c. This is a cleanup, no behavior change.
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Merge tag 'bootconfig-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull bootconfig update from Masami Hiramatsu:
- Remove duplicate included header file linux/bootconfig.h from
lib/bootconfig.c. This is a cleanup, no behavior change.
* tag 'bootconfig-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
bootconfig: Remove duplicate included header file linux/bootconfig.h
Uprobes:
- x86/shstk: Make return uprobe work with shadow stack.
- Add uretprobe syscall which speeds up the uretprobe 10-30% faster. This
syscall is automatically used from user-space trampolines which are
generated by the uretprobe. If this syscall is used by normal
user program, it will cause SIGILL. Note that this is currently only
implemented on x86_64.
(This also has 2 fixes for adjusting the syscall number to avoid conflict
with new *attrat syscalls.)
- uprobes/perf: fix user stack traces in the presence of pending uretprobe.
This corrects the uretprobe's trampoline address in the stacktrace with
correct return address.
- selftests/x86: Add a return uprobe with shadow stack test.
- selftests/bpf: Add uretprobe syscall related tests.
. test case for register integrity check.
. test case with register changing case.
. test case for uretprobe syscall without uprobes (expected to be failed).
. test case for uretprobe with shadow stack.
- selftests/bpf: add test validating uprobe/uretprobe stack traces
- MAINTAINERS: Add uprobes entry. This does not specify the tree but to
clarify who maintains and reviews the uprobes.
Kprobes:
- tracing/kprobes: Test case cleanups. Replace redundant WARN_ON_ONCE() +
pr_warn() with WARN_ONCE() and remove unnecessary code from selftest.
- tracing/kprobes: Add symbol counting check when module loads. This
checks the uniqueness of the probed symbol on modules. The same check
has already done for kernel symbols.
(This also has a fix for build error with CONFIG_MODULES=n)
Cleanup:
- Add MODULE_DESCRIPTION() macros for fprobe and kprobe examples.
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Merge tag 'probes-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes updates from Masami Hiramatsu:
"Uprobes:
- x86/shstk: Make return uprobe work with shadow stack
- Add uretprobe syscall which speeds up the uretprobe 10-30% faster.
This syscall is automatically used from user-space trampolines
which are generated by the uretprobe. If this syscall is used by
normal user program, it will cause SIGILL. Note that this is
currently only implemented on x86_64.
(This also has two fixes for adjusting the syscall number to avoid
conflict with new *attrat syscalls.)
- uprobes/perf: fix user stack traces in the presence of pending
uretprobe. This corrects the uretprobe's trampoline address in the
stacktrace with correct return address
- selftests/x86: Add a return uprobe with shadow stack test
- selftests/bpf: Add uretprobe syscall related tests.
- test case for register integrity check
- test case with register changing case
- test case for uretprobe syscall without uprobes (expected to fail)
- test case for uretprobe with shadow stack
- selftests/bpf: add test validating uprobe/uretprobe stack traces
- MAINTAINERS: Add uprobes entry. This does not specify the tree but
to clarify who maintains and reviews the uprobes
Kprobes:
- tracing/kprobes: Test case cleanups.
Replace redundant WARN_ON_ONCE() + pr_warn() with WARN_ONCE() and
remove unnecessary code from selftest
- tracing/kprobes: Add symbol counting check when module loads.
This checks the uniqueness of the probed symbol on modules. The
same check has already done for kernel symbols
(This also has a fix for build error with CONFIG_MODULES=n)
Cleanup:
- Add MODULE_DESCRIPTION() macros for fprobe and kprobe examples"
* tag 'probes-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
MAINTAINERS: Add uprobes entry
selftests/bpf: Change uretprobe syscall number in uprobe_syscall test
uprobe: Change uretprobe syscall scope and number
tracing/kprobes: Fix build error when find_module() is not available
tracing/kprobes: Add symbol counting check when module loads
selftests/bpf: add test validating uprobe/uretprobe stack traces
perf,uprobes: fix user stack traces in the presence of pending uretprobes
tracing/kprobe: Remove cleanup code unrelated to selftest
tracing/kprobe: Integrate test warnings into WARN_ONCE
selftests/bpf: Add uretprobe shadow stack test
selftests/bpf: Add uretprobe syscall call from user space test
selftests/bpf: Add uretprobe syscall test for regs changes
selftests/bpf: Add uretprobe syscall test for regs integrity
selftests/x86: Add return uprobe shadow stack test
uprobe: Add uretprobe syscall to speed up return probe
uprobe: Wire up uretprobe system call
x86/shstk: Make return uprobe work with shadow stack
samples: kprobes: add missing MODULE_DESCRIPTION() macros
fprobe: add missing MODULE_DESCRIPTION() macro
Ido Schimmel
Linus Torvalds
Qu Wenruo
Jakub Kicinski
Masatake YAMATO
Matthew Sakai
Christophe JAILLET
Mikulas Patocka
Arnd Bergmann
Masami Hiramatsu (Google)
Kent Overstreet
Tavian Barnes