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https://github.com/torvalds/linux.git
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514 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Greg Kroah-Hartman
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d483eed85f |
ANDROID: GKI: set vfs-only exports into their own namespace
We have namespaces, so use them for all vfs-exported namespaces so that filesystems can use them, but not anything else. Some in-kernel drivers that do direct filesystem accesses (because they serve up files) are also allowed access to these symbols to keep 'make allmodconfig' builds working properly, but it is not needed for Android kernel images. Bug: 157965270 Bug: 210074446 Cc: Matthias Maennich <maennich@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: Iaf6140baf3a18a516ab2d5c3966235c42f3f70de |
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Greg Kroah-Hartman
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c5d480cd47 |
Merge 5.10.42 into android12-5.10
Changes in 5.10.42
ALSA: hda/realtek: the bass speaker can't output sound on Yoga 9i
ALSA: hda/realtek: Headphone volume is controlled by Front mixer
ALSA: hda/realtek: Chain in pop reduction fixup for ThinkStation P340
ALSA: hda/realtek: fix mute/micmute LEDs for HP 855 G8
ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Zbook G8
ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Zbook Fury 15 G8
ALSA: hda/realtek: fix mute/micmute LEDs and speaker for HP Zbook Fury 17 G8
ALSA: usb-audio: scarlett2: Fix device hang with ehci-pci
ALSA: usb-audio: scarlett2: Improve driver startup messages
cifs: set server->cipher_type to AES-128-CCM for SMB3.0
NFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return()
iommu/vt-d: Fix sysfs leak in alloc_iommu()
perf intel-pt: Fix sample instruction bytes
perf intel-pt: Fix transaction abort handling
perf scripts python: exported-sql-viewer.py: Fix copy to clipboard from Top Calls by elapsed Time report
perf scripts python: exported-sql-viewer.py: Fix Array TypeError
perf scripts python: exported-sql-viewer.py: Fix warning display
proc: Check /proc/$pid/attr/ writes against file opener
net: hso: fix control-request directions
net/sched: fq_pie: re-factor fix for fq_pie endless loop
net/sched: fq_pie: fix OOB access in the traffic path
netfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check, fallback to non-AVX2 version
mac80211: assure all fragments are encrypted
mac80211: prevent mixed key and fragment cache attacks
mac80211: properly handle A-MSDUs that start with an RFC 1042 header
cfg80211: mitigate A-MSDU aggregation attacks
mac80211: drop A-MSDUs on old ciphers
mac80211: add fragment cache to sta_info
mac80211: check defrag PN against current frame
mac80211: prevent attacks on TKIP/WEP as well
mac80211: do not accept/forward invalid EAPOL frames
mac80211: extend protection against mixed key and fragment cache attacks
ath10k: add CCMP PN replay protection for fragmented frames for PCIe
ath10k: drop fragments with multicast DA for PCIe
ath10k: drop fragments with multicast DA for SDIO
ath10k: drop MPDU which has discard flag set by firmware for SDIO
ath10k: Fix TKIP Michael MIC verification for PCIe
ath10k: Validate first subframe of A-MSDU before processing the list
ath11k: Clear the fragment cache during key install
dm snapshot: properly fix a crash when an origin has no snapshots
drm/amd/pm: correct MGpuFanBoost setting
drm/amdgpu/vcn1: add cancel_delayed_work_sync before power gate
drm/amdkfd: correct sienna_cichlid SDMA RLC register offset error
drm/amdgpu/vcn2.0: add cancel_delayed_work_sync before power gate
drm/amdgpu/vcn2.5: add cancel_delayed_work_sync before power gate
drm/amdgpu/jpeg2.0: add cancel_delayed_work_sync before power gate
selftests/gpio: Use TEST_GEN_PROGS_EXTENDED
selftests/gpio: Move include of lib.mk up
selftests/gpio: Fix build when source tree is read only
kgdb: fix gcc-11 warnings harder
Documentation: seccomp: Fix user notification documentation
seccomp: Refactor notification handler to prepare for new semantics
serial: core: fix suspicious security_locked_down() call
misc/uss720: fix memory leak in uss720_probe
thunderbolt: usb4: Fix NVM read buffer bounds and offset issue
thunderbolt: dma_port: Fix NVM read buffer bounds and offset issue
KVM: X86: Fix vCPU preempted state from guest's point of view
KVM: arm64: Prevent mixed-width VM creation
mei: request autosuspend after sending rx flow control
staging: iio: cdc: ad7746: avoid overwrite of num_channels
iio: gyro: fxas21002c: balance runtime power in error path
iio: dac: ad5770r: Put fwnode in error case during ->probe()
iio: adc: ad7768-1: Fix too small buffer passed to iio_push_to_buffers_with_timestamp()
iio: adc: ad7124: Fix missbalanced regulator enable / disable on error.
iio: adc: ad7124: Fix potential overflow due to non sequential channel numbers
iio: adc: ad7923: Fix undersized rx buffer.
iio: adc: ad7793: Add missing error code in ad7793_setup()
iio: adc: ad7192: Avoid disabling a clock that was never enabled.
iio: adc: ad7192: handle regulator voltage error first
serial: 8250: Add UART_BUG_TXRACE workaround for Aspeed VUART
serial: 8250_dw: Add device HID for new AMD UART controller
serial: 8250_pci: Add support for new HPE serial device
serial: 8250_pci: handle FL_NOIRQ board flag
USB: trancevibrator: fix control-request direction
Revert "irqbypass: do not start cons/prod when failed connect"
USB: usbfs: Don't WARN about excessively large memory allocations
drivers: base: Fix device link removal
serial: tegra: Fix a mask operation that is always true
serial: sh-sci: Fix off-by-one error in FIFO threshold register setting
serial: rp2: use 'request_firmware' instead of 'request_firmware_nowait'
USB: serial: ti_usb_3410_5052: add startech.com device id
USB: serial: option: add Telit LE910-S1 compositions 0x7010, 0x7011
USB: serial: ftdi_sio: add IDs for IDS GmbH Products
USB: serial: pl2303: add device id for ADLINK ND-6530 GC
thermal/drivers/intel: Initialize RW trip to THERMAL_TEMP_INVALID
usb: dwc3: gadget: Properly track pending and queued SG
usb: gadget: udc: renesas_usb3: Fix a race in usb3_start_pipen()
usb: typec: mux: Fix matching with typec_altmode_desc
net: usb: fix memory leak in smsc75xx_bind
Bluetooth: cmtp: fix file refcount when cmtp_attach_device fails
fs/nfs: Use fatal_signal_pending instead of signal_pending
NFS: fix an incorrect limit in filelayout_decode_layout()
NFS: Fix an Oopsable condition in __nfs_pageio_add_request()
NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()
NFSv4: Fix v4.0/v4.1 SEEK_DATA return -ENOTSUPP when set NFS_V4_2 config
drm/meson: fix shutdown crash when component not probed
net/mlx5e: reset XPS on error flow if netdev isn't registered yet
net/mlx5e: Fix multipath lag activation
net/mlx5e: Fix error path of updating netdev queues
{net,vdpa}/mlx5: Configure interface MAC into mpfs L2 table
net/mlx5e: Fix nullptr in add_vlan_push_action()
net/mlx5: Set reformat action when needed for termination rules
net/mlx5e: Fix null deref accessing lag dev
net/mlx4: Fix EEPROM dump support
net/mlx5: Set term table as an unmanaged flow table
SUNRPC in case of backlog, hand free slots directly to waiting task
Revert "net:tipc: Fix a double free in tipc_sk_mcast_rcv"
tipc: wait and exit until all work queues are done
tipc: skb_linearize the head skb when reassembling msgs
spi: spi-fsl-dspi: Fix a resource leak in an error handling path
netfilter: flowtable: Remove redundant hw refresh bit
net: dsa: mt7530: fix VLAN traffic leaks
net: dsa: fix a crash if ->get_sset_count() fails
net: dsa: sja1105: update existing VLANs from the bridge VLAN list
net: dsa: sja1105: use 4095 as the private VLAN for untagged traffic
net: dsa: sja1105: error out on unsupported PHY mode
net: dsa: sja1105: add error handling in sja1105_setup()
net: dsa: sja1105: call dsa_unregister_switch when allocating memory fails
net: dsa: sja1105: fix VL lookup command packing for P/Q/R/S
i2c: s3c2410: fix possible NULL pointer deref on read message after write
i2c: mediatek: Disable i2c start_en and clear intr_stat brfore reset
i2c: i801: Don't generate an interrupt on bus reset
i2c: sh_mobile: Use new clock calculation formulas for RZ/G2E
afs: Fix the nlink handling of dir-over-dir rename
perf jevents: Fix getting maximum number of fds
nvmet-tcp: fix inline data size comparison in nvmet_tcp_queue_response
mptcp: avoid error message on infinite mapping
mptcp: drop unconditional pr_warn on bad opt
mptcp: fix data stream corruption
platform/x86: hp_accel: Avoid invoking _INI to speed up resume
gpio: cadence: Add missing MODULE_DEVICE_TABLE
Revert "crypto: cavium/nitrox - add an error message to explain the failure of pci_request_mem_regions"
Revert "media: usb: gspca: add a missed check for goto_low_power"
Revert "ALSA: sb: fix a missing check of snd_ctl_add"
Revert "serial: max310x: pass return value of spi_register_driver"
serial: max310x: unregister uart driver in case of failure and abort
Revert "net: fujitsu: fix a potential NULL pointer dereference"
net: fujitsu: fix potential null-ptr-deref
Revert "net/smc: fix a NULL pointer dereference"
net/smc: properly handle workqueue allocation failure
Revert "net: caif: replace BUG_ON with recovery code"
net: caif: remove BUG_ON(dev == NULL) in caif_xmit
Revert "char: hpet: fix a missing check of ioremap"
char: hpet: add checks after calling ioremap
Revert "ALSA: gus: add a check of the status of snd_ctl_add"
Revert "ALSA: usx2y: Fix potential NULL pointer dereference"
Revert "isdn: mISDNinfineon: fix potential NULL pointer dereference"
isdn: mISDNinfineon: check/cleanup ioremap failure correctly in setup_io
Revert "ath6kl: return error code in ath6kl_wmi_set_roam_lrssi_cmd()"
ath6kl: return error code in ath6kl_wmi_set_roam_lrssi_cmd()
Revert "isdn: mISDN: Fix potential NULL pointer dereference of kzalloc"
isdn: mISDN: correctly handle ph_info allocation failure in hfcsusb_ph_info
Revert "dmaengine: qcom_hidma: Check for driver register failure"
dmaengine: qcom_hidma: comment platform_driver_register call
Revert "libertas: add checks for the return value of sysfs_create_group"
libertas: register sysfs groups properly
Revert "ASoC: cs43130: fix a NULL pointer dereference"
ASoC: cs43130: handle errors in cs43130_probe() properly
Revert "media: dvb: Add check on sp8870_readreg"
media: dvb: Add check on sp8870_readreg return
Revert "media: gspca: mt9m111: Check write_bridge for timeout"
media: gspca: mt9m111: Check write_bridge for timeout
Revert "media: gspca: Check the return value of write_bridge for timeout"
media: gspca: properly check for errors in po1030_probe()
Revert "net: liquidio: fix a NULL pointer dereference"
net: liquidio: Add missing null pointer checks
Revert "brcmfmac: add a check for the status of usb_register"
brcmfmac: properly check for bus register errors
btrfs: return whole extents in fiemap
scsi: ufs: ufs-mediatek: Fix power down spec violation
scsi: BusLogic: Fix 64-bit system enumeration error for Buslogic
openrisc: Define memory barrier mb
scsi: pm80xx: Fix drives missing during rmmod/insmod loop
btrfs: release path before starting transaction when cloning inline extent
btrfs: do not BUG_ON in link_to_fixup_dir
platform/x86: hp-wireless: add AMD's hardware id to the supported list
platform/x86: intel_punit_ipc: Append MODULE_DEVICE_TABLE for ACPI
platform/x86: touchscreen_dmi: Add info for the Mediacom Winpad 7.0 W700 tablet
SMB3: incorrect file id in requests compounded with open
drm/amd/display: Disconnect non-DP with no EDID
drm/amd/amdgpu: fix refcount leak
drm/amdgpu: Fix a use-after-free
drm/amd/amdgpu: fix a potential deadlock in gpu reset
drm/amdgpu: stop touching sched.ready in the backend
platform/x86: touchscreen_dmi: Add info for the Chuwi Hi10 Pro (CWI529) tablet
block: fix a race between del_gendisk and BLKRRPART
linux/bits.h: fix compilation error with GENMASK
net: netcp: Fix an error message
net: dsa: fix error code getting shifted with 4 in dsa_slave_get_sset_count
interconnect: qcom: bcm-voter: add a missing of_node_put()
interconnect: qcom: Add missing MODULE_DEVICE_TABLE
ASoC: cs42l42: Regmap must use_single_read/write
net: stmmac: Fix MAC WoL not working if PHY does not support WoL
net: ipa: memory region array is variable size
vfio-ccw: Check initialized flag in cp_init()
spi: Assume GPIO CS active high in ACPI case
net: really orphan skbs tied to closing sk
net: packetmmap: fix only tx timestamp on request
net: fec: fix the potential memory leak in fec_enet_init()
chelsio/chtls: unlock on error in chtls_pt_recvmsg()
net: mdio: thunder: Fix a double free issue in the .remove function
net: mdio: octeon: Fix some double free issues
cxgb4/ch_ktls: Clear resources when pf4 device is removed
openvswitch: meter: fix race when getting now_ms.
tls splice: check SPLICE_F_NONBLOCK instead of MSG_DONTWAIT
net: sched: fix packet stuck problem for lockless qdisc
net: sched: fix tx action rescheduling issue during deactivation
net: sched: fix tx action reschedule issue with stopped queue
net: hso: check for allocation failure in hso_create_bulk_serial_device()
net: bnx2: Fix error return code in bnx2_init_board()
bnxt_en: Include new P5 HV definition in VF check.
bnxt_en: Fix context memory setup for 64K page size.
mld: fix panic in mld_newpack()
net/smc: remove device from smcd_dev_list after failed device_add()
gve: Check TX QPL was actually assigned
gve: Update mgmt_msix_idx if num_ntfy changes
gve: Add NULL pointer checks when freeing irqs.
gve: Upgrade memory barrier in poll routine
gve: Correct SKB queue index validation.
iommu/virtio: Add missing MODULE_DEVICE_TABLE
net: hns3: fix incorrect resp_msg issue
net: hns3: put off calling register_netdev() until client initialize complete
iommu/vt-d: Use user privilege for RID2PASID translation
cxgb4: avoid accessing registers when clearing filters
staging: emxx_udc: fix loop in _nbu2ss_nuke()
ASoC: cs35l33: fix an error code in probe()
bpf, offload: Reorder offload callback 'prepare' in verifier
bpf: Set mac_len in bpf_skb_change_head
ixgbe: fix large MTU request from VF
ASoC: qcom: lpass-cpu: Use optional clk APIs
scsi: libsas: Use _safe() loop in sas_resume_port()
net: lantiq: fix memory corruption in RX ring
ipv6: record frag_max_size in atomic fragments in input path
ALSA: usb-audio: scarlett2: snd_scarlett_gen2_controls_create() can be static
net: ethernet: mtk_eth_soc: Fix packet statistics support for MT7628/88
sch_dsmark: fix a NULL deref in qdisc_reset()
net: hsr: fix mac_len checks
MIPS: alchemy: xxs1500: add gpio-au1000.h header file
MIPS: ralink: export rt_sysc_membase for rt2880_wdt.c
net: zero-initialize tc skb extension on allocation
net: mvpp2: add buffer header handling in RX
i915: fix build warning in intel_dp_get_link_status()
samples/bpf: Consider frame size in tx_only of xdpsock sample
net: hns3: check the return of skb_checksum_help()
bpftool: Add sock_release help info for cgroup attach/prog load command
SUNRPC: More fixes for backlog congestion
Revert "Revert "ALSA: usx2y: Fix potential NULL pointer dereference""
net: hso: bail out on interrupt URB allocation failure
scripts/clang-tools: switch explicitly to Python 3
neighbour: Prevent Race condition in neighbour subsytem
usb: core: reduce power-on-good delay time of root hub
Linux 5.10.42
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I05d98d1355a080e0951b4b2ae77f0a9ccb6dfc5d
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Gulam Mohamed
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b0f5d4891e |
block: fix a race between del_gendisk and BLKRRPART
[ Upstream commit
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Greg Kroah-Hartman
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855f802610 |
This is the 5.10.39 stable release
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Merge 5.10.39 into android12-5.10
Changes in 5.10.39
x86/msr: Fix wr/rdmsr_safe_regs_on_cpu() prototypes
drm/i915/display: fix compiler warning about array overrun
airo: work around stack usage warning
kgdb: fix gcc-11 warning on indentation
usb: sl811-hcd: improve misleading indentation
cxgb4: Fix the -Wmisleading-indentation warning
isdn: capi: fix mismatched prototypes
virtio_net: Do not pull payload in skb->head
PCI: thunder: Fix compile testing
dmaengine: dw-edma: Fix crash on loading/unloading driver
ARM: 9066/1: ftrace: pause/unpause function graph tracer in cpu_suspend()
ACPI / hotplug / PCI: Fix reference count leak in enable_slot()
PCI: tegra: Fix runtime PM imbalance in pex_ep_event_pex_rst_deassert()
Input: elants_i2c - do not bind to i2c-hid compatible ACPI instantiated devices
Input: silead - add workaround for x86 BIOS-es which bring the chip up in a stuck state
NFS: NFS_INO_REVAL_PAGECACHE should mark the change attribute invalid
um: Mark all kernel symbols as local
um: Disable CONFIG_GCOV with MODULES
ARM: 9075/1: kernel: Fix interrupted SMC calls
platform/chrome: cros_ec_typec: Add DP mode check
riscv: Use $(LD) instead of $(CC) to link vDSO
scripts/recordmcount.pl: Fix RISC-V regex for clang
riscv: Workaround mcount name prior to clang-13
scsi: lpfc: Fix illegal memory access on Abort IOCBs
ceph: fix fscache invalidation
ceph: don't clobber i_snap_caps on non-I_NEW inode
ceph: don't allow access to MDS-private inodes
scsi: target: tcmu: Return from tcmu_handle_completions() if cmd_id not found
amdgpu/pm: Prevent force of DCEFCLK on NAVI10 and SIENNA_CICHLID
bridge: Fix possible races between assigning rx_handler_data and setting IFF_BRIDGE_PORT bit
net: hsr: check skb can contain struct hsr_ethhdr in fill_frame_info
nvmet: remove unsupported command noise
drm/amd/display: Fix two cursor duplication when using overlay
gpiolib: acpi: Add quirk to ignore EC wakeups on Dell Venue 10 Pro 5055
net:CXGB4: fix leak if sk_buff is not used
ALSA: hda: generic: change the DAC ctl name for LO+SPK or LO+HP
block: reexpand iov_iter after read/write
lib: stackdepot: turn depot_lock spinlock to raw_spinlock
net: stmmac: Do not enable RX FIFO overflow interrupts
ip6_gre: proper dev_{hold|put} in ndo_[un]init methods
sit: proper dev_{hold|put} in ndo_[un]init methods
ip6_tunnel: sit: proper dev_{hold|put} in ndo_[un]init methods
ipv6: remove extra dev_hold() for fallback tunnels
tweewide: Fix most Shebang lines
scripts: switch explicitly to Python 3
Linux 5.10.39
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I8406e9c091597f1b08395c84e3728d640d91cbb9
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yangerkun
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7da9368f91 |
block: reexpand iov_iter after read/write
[ Upstream commit
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Greg Kroah-Hartman
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ab8b108b0a |
Merge 5.10.31 into android12-5.10
Changes in 5.10.31 interconnect: core: fix error return code of icc_link_destroy() gfs2: Flag a withdraw if init_threads() fails KVM: arm64: Hide system instruction access to Trace registers KVM: arm64: Disable guest access to trace filter controls drm/imx: imx-ldb: fix out of bounds array access warning gfs2: report "already frozen/thawed" errors ftrace: Check if pages were allocated before calling free_pages() tools/kvm_stat: Add restart delay drm/tegra: dc: Don't set PLL clock to 0Hz gpu: host1x: Use different lock classes for each client XArray: Fix splitting to non-zero orders block: only update parent bi_status when bio fail radix tree test suite: Register the main thread with the RCU library idr test suite: Take RCU read lock in idr_find_test_1 idr test suite: Create anchor before launching throbber null_blk: fix command timeout completion handling io_uring: don't mark S_ISBLK async work as unbounded riscv,entry: fix misaligned base for excp_vect_table block: don't ignore REQ_NOWAIT for direct IO netfilter: x_tables: fix compat match/target pad out-of-bound write perf map: Tighten snprintf() string precision to pass gcc check on some 32-bit arches net: sfp: relax bitrate-derived mode check net: sfp: cope with SFPs that set both LOS normal and LOS inverted xen/events: fix setting irq affinity Linux 5.10.31 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I19a7cfbdaab23e578dd82c552aea86d367c2f40f |
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Pavel Begunkov
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5402a67ac4 |
block: don't ignore REQ_NOWAIT for direct IO
[ Upstream commit
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Greg Kroah-Hartman
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c62f09151d |
Merge 5.10.29 into android12-5.10
Changes in 5.10.29 ARM: dts: am33xx: add aliases for mmc interfaces bus: ti-sysc: Fix warning on unbind if reset is not deasserted platform/x86: intel-hid: Support Lenovo ThinkPad X1 Tablet Gen 2 bpf, x86: Use kvmalloc_array instead kmalloc_array in bpf_jit_comp net/mlx5e: Enforce minimum value check for ICOSQ size net: pxa168_eth: Fix a potential data race in pxa168_eth_remove kunit: tool: Fix a python tuple typing error mISDN: fix crash in fritzpci mac80211: Check crypto_aead_encrypt for errors mac80211: choose first enabled channel for monitor drm/msm/dsi_pll_7nm: Fix variable usage for pll_lockdet_rate drm/msm/adreno: a5xx_power: Don't apply A540 lm_setup to other GPUs drm/msm: Ratelimit invalid-fence message netfilter: conntrack: Fix gre tunneling over ipv6 netfilter: nftables: skip hook overlap logic if flowtable is stale net: ipa: fix init header command validation platform/x86: thinkpad_acpi: Allow the FnLock LED to change state kselftest/arm64: sve: Do not use non-canonical FFR register value drm/msm/disp/dpu1: icc path needs to be set before dpu runtime resume x86/build: Turn off -fcf-protection for realmode targets block: clear GD_NEED_PART_SCAN later in bdev_disk_changed platform/x86: intel_pmc_core: Ignore GBE LTR on Tiger Lake platforms ptp_qoriq: fix overflow in ptp_qoriq_adjfine() u64 calcalation scsi: target: pscsi: Clean up after failure in pscsi_map_sg() selftests/vm: fix out-of-tree build ia64: mca: allocate early mca with GFP_ATOMIC ia64: fix format strings for err_inject cifs: revalidate mapping when we open files for SMB1 POSIX cifs: Silently ignore unknown oplock break handle io_uring: fix timeout cancel return code math: Export mul_u64_u64_div_u64 tools/resolve_btfids: Build libbpf and libsubcmd in separate directories tools/resolve_btfids: Check objects before removing tools/resolve_btfids: Set srctree variable unconditionally kbuild: Add resolve_btfids clean to root clean target kbuild: Do not clean resolve_btfids if the output does not exist tools/resolve_btfids: Add /libbpf to .gitignore bpf, x86: Validate computation of branch displacements for x86-64 bpf, x86: Validate computation of branch displacements for x86-32 init/Kconfig: make COMPILE_TEST depend on !S390 init/Kconfig: make COMPILE_TEST depend on HAS_IOMEM Linux 5.10.29 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: Ib3f9484150747de48eca46c69d690830b790418e |
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Chris Chiu
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037950869b |
block: clear GD_NEED_PART_SCAN later in bdev_disk_changed
[ Upstream commit
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||
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Greg Kroah-Hartman
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3ccfc59f82 |
This is the 5.10.24 stable release
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Merge 5.10.24 into android12-5.10-lts
Changes in 5.10.24
uapi: nfnetlink_cthelper.h: fix userspace compilation error
powerpc/perf: Fix handling of privilege level checks in perf interrupt context
powerpc/pseries: Don't enforce MSI affinity with kdump
ethernet: alx: fix order of calls on resume
crypto: mips/poly1305 - enable for all MIPS processors
ath9k: fix transmitting to stations in dynamic SMPS mode
net: Fix gro aggregation for udp encaps with zero csum
net: check if protocol extracted by virtio_net_hdr_set_proto is correct
net: avoid infinite loop in mpls_gso_segment when mpls_hlen == 0
net: l2tp: reduce log level of messages in receive path, add counter instead
can: skb: can_skb_set_owner(): fix ref counting if socket was closed before setting skb ownership
can: flexcan: assert FRZ bit in flexcan_chip_freeze()
can: flexcan: enable RX FIFO after FRZ/HALT valid
can: flexcan: invoke flexcan_chip_freeze() to enter freeze mode
can: tcan4x5x: tcan4x5x_init(): fix initialization - clear MRAM before entering Normal Mode
tcp: Fix sign comparison bug in getsockopt(TCP_ZEROCOPY_RECEIVE)
tcp: add sanity tests to TCP_QUEUE_SEQ
netfilter: nf_nat: undo erroneous tcp edemux lookup
netfilter: x_tables: gpf inside xt_find_revision()
net: always use icmp{,v6}_ndo_send from ndo_start_xmit
net: phy: fix save wrong speed and duplex problem if autoneg is on
selftests/bpf: Use the last page in test_snprintf_btf on s390
selftests/bpf: No need to drop the packet when there is no geneve opt
selftests/bpf: Mask bpf_csum_diff() return value to 16 bits in test_verifier
samples, bpf: Add missing munmap in xdpsock
libbpf: Clear map_info before each bpf_obj_get_info_by_fd
ibmvnic: Fix possibly uninitialized old_num_tx_queues variable warning.
ibmvnic: always store valid MAC address
mt76: dma: do not report truncated frames to mac80211
powerpc/603: Fix protection of user pages mapped with PROT_NONE
mount: fix mounting of detached mounts onto targets that reside on shared mounts
cifs: return proper error code in statfs(2)
Revert "mm, slub: consider rest of partial list if acquire_slab() fails"
docs: networking: drop special stable handling
net: dsa: tag_rtl4_a: fix egress tags
sh_eth: fix TRSCER mask for SH771x
net: enetc: don't overwrite the RSS indirection table when initializing
net: enetc: take the MDIO lock only once per NAPI poll cycle
net: enetc: fix incorrect TPID when receiving 802.1ad tagged packets
net: enetc: don't disable VLAN filtering in IFF_PROMISC mode
net: enetc: force the RGMII speed and duplex instead of operating in inband mode
net: enetc: remove bogus write to SIRXIDR from enetc_setup_rxbdr
net: enetc: keep RX ring consumer index in sync with hardware
net: ethernet: mtk-star-emac: fix wrong unmap in RX handling
net/mlx4_en: update moderation when config reset
net: stmmac: fix incorrect DMA channel intr enable setting of EQoS v4.10
nexthop: Do not flush blackhole nexthops when loopback goes down
net: sched: avoid duplicates in classes dump
net: mscc: ocelot: properly reject destination IP keys in VCAP IS1
net: dsa: sja1105: fix SGMII PCS being forced to SPEED_UNKNOWN instead of SPEED_10
net: usb: qmi_wwan: allow qmimux add/del with master up
netdevsim: init u64 stats for 32bit hardware
cipso,calipso: resolve a number of problems with the DOI refcounts
net: stmmac: Fix VLAN filter delete timeout issue in Intel mGBE SGMII
stmmac: intel: Fixes clock registration error seen for multiple interfaces
net: lapbether: Remove netif_start_queue / netif_stop_queue
net: davicom: Fix regulator not turned off on failed probe
net: davicom: Fix regulator not turned off on driver removal
net: enetc: allow hardware timestamping on TX queues with tc-etf enabled
net: qrtr: fix error return code of qrtr_sendmsg()
s390/qeth: fix memory leak after failed TX Buffer allocation
r8169: fix r8168fp_adjust_ocp_cmd function
ixgbe: fail to create xfrm offload of IPsec tunnel mode SA
tools/resolve_btfids: Fix build error with older host toolchains
perf build: Fix ccache usage in $(CC) when generating arch errno table
net: stmmac: stop each tx channel independently
net: stmmac: fix watchdog timeout during suspend/resume stress test
net: stmmac: fix wrongly set buffer2 valid when sph unsupport
ethtool: fix the check logic of at least one channel for RX/TX
net: phy: make mdio_bus_phy_suspend/resume as __maybe_unused
selftests: forwarding: Fix race condition in mirror installation
mlxsw: spectrum_ethtool: Add an external speed to PTYS register
perf traceevent: Ensure read cmdlines are null terminated.
perf report: Fix -F for branch & mem modes
net: hns3: fix query vlan mask value error for flow director
net: hns3: fix bug when calculating the TCAM table info
s390/cio: return -EFAULT if copy_to_user() fails again
bnxt_en: reliably allocate IRQ table on reset to avoid crash
gpiolib: acpi: Add ACPI_GPIO_QUIRK_ABSOLUTE_NUMBER quirk
gpiolib: acpi: Allow to find GpioInt() resource by name and index
gpio: pca953x: Set IRQ type when handle Intel Galileo Gen 2
gpio: fix gpio-device list corruption
drm/compat: Clear bounce structures
drm/amd/display: Add a backlight module option
drm/amdgpu/display: use GFP_ATOMIC in dcn21_validate_bandwidth_fp()
drm/amd/display: Fix nested FPU context in dcn21_validate_bandwidth()
drm/amd/pm: bug fix for pcie dpm
drm/amdgpu/display: simplify backlight setting
drm/amdgpu/display: don't assert in set backlight function
drm/amdgpu/display: handle aux backlight in backlight_get_brightness
drm/shmem-helper: Check for purged buffers in fault handler
drm/shmem-helper: Don't remove the offset in vm_area_struct pgoff
drm: Use USB controller's DMA mask when importing dmabufs
drm: meson_drv add shutdown function
drm/shmem-helpers: vunmap: Don't put pages for dma-buf
drm/i915: Wedge the GPU if command parser setup fails
s390/cio: return -EFAULT if copy_to_user() fails
s390/crypto: return -EFAULT if copy_to_user() fails
qxl: Fix uninitialised struct field head.surface_id
sh_eth: fix TRSCER mask for R7S9210
media: usbtv: Fix deadlock on suspend
media: rkisp1: params: fix wrong bits settings
media: v4l: vsp1: Fix uif null pointer access
media: v4l: vsp1: Fix bru null pointer access
media: rc: compile rc-cec.c into rc-core
cifs: fix credit accounting for extra channel
net: hns3: fix error mask definition of flow director
s390/qeth: don't replace a fully completed async TX buffer
s390/qeth: remove QETH_QDIO_BUF_HANDLED_DELAYED state
s390/qeth: improve completion of pending TX buffers
s390/qeth: fix notification for pending buffers during teardown
net: dsa: implement a central TX reallocation procedure
net: dsa: tag_ksz: don't allocate additional memory for padding/tagging
net: dsa: trailer: don't allocate additional memory for padding/tagging
net: dsa: tag_qca: let DSA core deal with TX reallocation
net: dsa: tag_ocelot: let DSA core deal with TX reallocation
net: dsa: tag_mtk: let DSA core deal with TX reallocation
net: dsa: tag_lan9303: let DSA core deal with TX reallocation
net: dsa: tag_edsa: let DSA core deal with TX reallocation
net: dsa: tag_brcm: let DSA core deal with TX reallocation
net: dsa: tag_dsa: let DSA core deal with TX reallocation
net: dsa: tag_gswip: let DSA core deal with TX reallocation
net: dsa: tag_ar9331: let DSA core deal with TX reallocation
net: dsa: tag_mtk: fix 802.1ad VLAN egress
enetc: Fix unused var build warning for CONFIG_OF
net: enetc: initialize RFS/RSS memories for unused ports too
ath11k: peer delete synchronization with firmware
ath11k: start vdev if a bss peer is already created
ath11k: fix AP mode for QCA6390
i2c: rcar: faster irq code to minimize HW race condition
i2c: rcar: optimize cacheline to minimize HW race condition
scsi: ufs: WB is only available on LUN #0 to #7
udf: fix silent AED tagLocation corruption
iommu/vt-d: Clear PRQ overflow only when PRQ is empty
mmc: mxs-mmc: Fix a resource leak in an error handling path in 'mxs_mmc_probe()'
mmc: mediatek: fix race condition between msdc_request_timeout and irq
mmc: sdhci-iproc: Add ACPI bindings for the RPi
Platform: OLPC: Fix probe error handling
powerpc/pci: Add ppc_md.discover_phbs()
spi: stm32: make spurious and overrun interrupts visible
powerpc: improve handling of unrecoverable system reset
powerpc/perf: Record counter overflow always if SAMPLE_IP is unset
HID: logitech-dj: add support for the new lightspeed connection iteration
powerpc/64: Fix stack trace not displaying final frame
iommu/amd: Fix performance counter initialization
clk: qcom: gdsc: Implement NO_RET_PERIPH flag
sparc32: Limit memblock allocation to low memory
sparc64: Use arch_validate_flags() to validate ADI flag
Input: applespi - don't wait for responses to commands indefinitely.
PCI: xgene-msi: Fix race in installing chained irq handler
PCI: mediatek: Add missing of_node_put() to fix reference leak
drivers/base: build kunit tests without structleak plugin
PCI/LINK: Remove bandwidth notification
ext4: don't try to processed freed blocks until mballoc is initialized
kbuild: clamp SUBLEVEL to 255
PCI: Fix pci_register_io_range() memory leak
i40e: Fix memory leak in i40e_probe
kasan: fix memory corruption in kasan_bitops_tags test
s390/smp: __smp_rescan_cpus() - move cpumask away from stack
drivers/base/memory: don't store phys_device in memory blocks
sysctl.c: fix underflow value setting risk in vm_table
scsi: libiscsi: Fix iscsi_prep_scsi_cmd_pdu() error handling
scsi: target: core: Add cmd length set before cmd complete
scsi: target: core: Prevent underflow for service actions
clk: qcom: gpucc-msm8998: Add resets, cxc, fix flags on gpu_gx_gdsc
mmc: sdhci: Update firmware interface API
ARM: 9029/1: Make iwmmxt.S support Clang's integrated assembler
ARM: assembler: introduce adr_l, ldr_l and str_l macros
ARM: efistub: replace adrl pseudo-op with adr_l macro invocation
ALSA: usb: Add Plantronics C320-M USB ctrl msg delay quirk
ALSA: hda/hdmi: Cancel pending works before suspend
ALSA: hda/conexant: Add quirk for mute LED control on HP ZBook G5
ALSA: hda/ca0132: Add Sound BlasterX AE-5 Plus support
ALSA: hda: Drop the BATCH workaround for AMD controllers
ALSA: hda: Flush pending unsolicited events before suspend
ALSA: hda: Avoid spurious unsol event handling during S3/S4
ALSA: usb-audio: Fix "cannot get freq eq" errors on Dell AE515 sound bar
ALSA: usb-audio: Apply the control quirk to Plantronics headsets
ALSA: usb-audio: Disable USB autosuspend properly in setup_disable_autosuspend()
ALSA: usb-audio: fix NULL ptr dereference in usb_audio_probe
ALSA: usb-audio: fix use after free in usb_audio_disconnect
Revert
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Jan Kara
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d44c9780ed |
block: Try to handle busy underlying device on discard
commit |
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Jaegeuk Kim
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d92620d79b |
Merge remote-tracking branch 'aosp/upstream-f2fs-stable-linux-5.10.y' into android12-5.10
* aosp/upstream-f2fs-stable-linux-5.10.y:
fs-verity: support reading signature with ioctl
fs-verity: support reading descriptor with ioctl
fs-verity: support reading Merkle tree with ioctl
fs-verity: add FS_IOC_READ_VERITY_METADATA ioctl
fs-verity: don't pass whole descriptor to fsverity_verify_signature()
fs-verity: factor out fsverity_get_descriptor()
fs: simplify freeze_bdev/thaw_bdev
f2fs: remove FAULT_ALLOC_BIO
f2fs: use blkdev_issue_flush in __submit_flush_wait
f2fs: remove a few bd_part checks
Documentation: f2fs: fix typo s/automaic/automatic
f2fs: give a warning only for readonly partition
f2fs: don't grab superblock freeze for flush/ckpt thread
f2fs: add ckpt_thread_ioprio sysfs node
f2fs: introduce checkpoint_merge mount option
f2fs: relocate inline conversion from mmap() to mkwrite()
f2fs: fix a wrong condition in __submit_bio
f2fs: remove unnecessary initialization in xattr.c
f2fs: fix to avoid inconsistent quota data
f2fs: flush data when enabling checkpoint back
f2fs: deprecate f2fs_trace_io
f2fs: Remove readahead collision detection
f2fs: remove unused stat_{inc, dec}_atomic_write
f2fs: introduce sb_status sysfs node
f2fs: fix to use per-inode maxbytes
f2fs: compress: fix potential deadlock
libfs: unexport generic_ci_d_compare() and generic_ci_d_hash()
f2fs: fix to set/clear I_LINKABLE under i_lock
f2fs: fix null page reference in redirty_blocks
f2fs: clean up post-read processing
f2fs: trival cleanup in move_data_block()
f2fs: fix out-of-repair __setattr_copy()
f2fs: fix to tag FIEMAP_EXTENT_MERGED in f2fs_fiemap()
f2fs: introduce a new per-sb directory in sysfs
f2fs: compress: support compress level
f2fs: compress: deny setting unsupported compress algorithm
f2fs: relocate f2fs_precache_extents()
f2fs: enforce the immutable flag on open files
f2fs: enhance to update i_mode and acl atomically in f2fs_setattr()
f2fs: fix to set inode->i_mode correctly for posix_acl_update_mode
f2fs: Replace expression with offsetof()
f2fs: handle unallocated section and zone on pinned/atgc
Bug: 178226640
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
Change-Id: I95112779a0a75f3cdbc222126a198d54f1e378ac
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Christoph Hellwig
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d96cd09aed |
fs: simplify freeze_bdev/thaw_bdev
Store the frozen superblock in struct block_device to avoid the awkward interface that can return a sb only used a cookie, an ERR_PTR or NULL. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jan Kara <jack@suse.cz> Acked-by: Chao Yu <yuchao0@huawei.com> [f2fs] Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Maxim Mikityanskiy
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f39005edf5 |
Revert "block: simplify set_init_blocksize" to regain lost performance
commit |
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Christoph Hellwig
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10ed16662d |
block: add a bdget_part helper
All remaining callers of bdget() outside of fs/block_dev.c want to get a reference to the struct block_device for a given struct hd_struct. Add a helper just for that and then mark bdget static. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Christoph Hellwig
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1fb1a2ad75 |
block: mark blkdev_get static
There are no users outside the core block code left now. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Christoph Hellwig
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bb3247a399 |
PM: rewrite is_hibernate_resume_dev to not require an inode
Just check the dev_t to help simplifying the code. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Christoph Hellwig
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38430f0876 |
block: move the NEED_PART_SCAN flag to struct gendisk
We can only scan for partitions on the whole disk, so move the flag from struct block_device to struct gendisk. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Christoph Hellwig
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b92b53079a |
block: remove check_disk_change
Remove the now unused check_disk_change helper. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Christoph Hellwig
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95f6f3a46f |
block: add a bdev_check_media_change helper
Like check_disk_changed, except that it does not call ->revalidate_disk but leaves that to the caller. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Jan Kara
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384d87ef2c |
block: Do not discard buffers under a mounted filesystem
Discarding blocks and buffers under a mounted filesystem is hardly anything admin wants to do. Usually it will confuse the filesystem and sometimes the loss of buffer_head state (including b_private field) can even cause crashes like: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 PGD 0 P4D 0 Oops: 0002 [#1] SMP PTI CPU: 4 PID: 203778 Comm: jbd2/dm-3-8 Kdump: loaded Tainted: G O --------- - - 4.18.0-147.5.0.5.h126.eulerosv2r9.x86_64 #1 Hardware name: Huawei RH2288H V3/BC11HGSA0, BIOS 1.57 08/11/2015 RIP: 0010:jbd2_journal_grab_journal_head+0x1b/0x40 [jbd2] ... Call Trace: __jbd2_journal_insert_checkpoint+0x23/0x70 [jbd2] jbd2_journal_commit_transaction+0x155f/0x1b60 [jbd2] kjournald2+0xbd/0x270 [jbd2] So if we don't have block device open with O_EXCL already, claim the block device while we truncate buffer cache. This makes sure any exclusive block device user (such as filesystem) cannot operate on the device while we are discarding buffer cache. Reported-by: Ye Bin <yebin10@huawei.com> Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Christoph Hellwig <hch@lst.de> [axboe: fix !CONFIG_BLOCK error in truncate_bdev_range()] Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Christoph Hellwig
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de09077c89 |
block: remove revalidate_disk()
Remove the now unused helper. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Acked-by: Song Liu <song@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Christoph Hellwig
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659e56ba86 |
block: add a new revalidate_disk_size helper
revalidate_disk is a relative awkward helper for driver use, as it first calls an optional driver method and then updates the block device size, while most callers either don't need the method call at all, or want to keep state between the caller and the called method. Add a revalidate_disk_size helper that just performs the update of the block device size from the gendisk one, and switch all drivers that do not implement ->revalidate_disk to use the new helper instead of revalidate_disk() Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Acked-by: Song Liu <song@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Christoph Hellwig
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f4ad06f2bb |
block: rename bd_invalidated
Replace bd_invalidate with a new BDEV_NEED_PART_SCAN flag in a bd_flags variable to better describe the condition. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Christoph Hellwig
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6540fbf6b6 |
block: don't clear bd_invalidated in check_disk_size_change
bd_invalidated is set by check_disk_change or in add_disk to initiate a partition scan. Move it from check_disk_size_change which is called from both revalidate_disk() and bdev_disk_changed() to only the latter, as that is what is called from the block device open code (and nbd) to deal with the bd_invalidated event. revalidate_disk() on the other hand is mostly used to propagate a size update from the gendisk to the block device, which is entirely unrelated. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Christoph Hellwig
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e5c7fb4002 |
block: move the devcgroup_inode_permission call to blkdev_get
devcgroup_inode_permission is never called for the recusive case, so move it out into blkdev_get. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Christoph Hellwig
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c2b4bb8cb3 |
block: fix locking for struct block_device size updates
Two different callers use two different mutexes for updating the block device size, which obviously doesn't help to actually protect against concurrent updates from the different callers. In addition one of the locks, bd_mutex is rather prone to deadlocks with other parts of the block stack that use it for high level synchronization. Switch to using a new spinlock protecting just the size updates, as that is all we need, and make sure everyone does the update through the proper helper. This fixes a bug reported with the nvme revalidating disks during a hot removal operation, which can currently deadlock on bd_mutex. Reported-by: Xianting Tian <xianting_tian@126.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Christoph Hellwig
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611bee526b |
block: replace bd_set_size with bd_set_nr_sectors
Replace bd_set_size with a version that takes the number of sectors instead, as that fits most of the current and future callers much better. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Linus Torvalds
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cdc8fcb499 |
for-5.9/io_uring-20200802
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4dpBL9E+nOUUix4wo9XBY0/KIYaPWg5L1CoEwkAXqkXPhFvNUucsC0u6KvmzZR3V
1OogVTjl6GhS8uEVQjTKNshkTIC9QHEMXDUOHtINDCb/sLU+ANXU5UpvsuzZ9+kt
KGc4mdyCwaKBq4YW9sVwhhq/RHLD4AUtWZiUVfOE+0cltCLJUNMbQsJ+XrcYaQnm
W4zz22Rep+SJuQNVcCW/w7N2zN3yB6gC1qeroSLvzw4b5el2TdFp+BcgVlLHK+uh
xjsGNCq++fyzNk7vvMZ5hVq4JGXYjza7AiP5HlQ8nqdiPUKUPatWCBqUm9i9Cz/B
n+0dlYbRwQ==
=2vmy
-----END PGP SIGNATURE-----
Merge tag 'for-5.9/io_uring-20200802' of git://git.kernel.dk/linux-block
Pull io_uring updates from Jens Axboe:
"Lots of cleanups in here, hardening the code and/or making it easier
to read and fixing bugs, but a core feature/change too adding support
for real async buffered reads. With the latter in place, we just need
buffered write async support and we're done relying on kthreads for
the fast path. In detail:
- Cleanup how memory accounting is done on ring setup/free (Bijan)
- sq array offset calculation fixup (Dmitry)
- Consistently handle blocking off O_DIRECT submission path (me)
- Support proper async buffered reads, instead of relying on kthread
offload for that. This uses the page waitqueue to drive retries
from task_work, like we handle poll based retry. (me)
- IO completion optimizations (me)
- Fix race with accounting and ring fd install (me)
- Support EPOLLEXCLUSIVE (Jiufei)
- Get rid of the io_kiocb unionizing, made possible by shrinking
other bits (Pavel)
- Completion side cleanups (Pavel)
- Cleanup REQ_F_ flags handling, and kill off many of them (Pavel)
- Request environment grabbing cleanups (Pavel)
- File and socket read/write cleanups (Pavel)
- Improve kiocb_set_rw_flags() (Pavel)
- Tons of fixes and cleanups (Pavel)
- IORING_SQ_NEED_WAKEUP clear fix (Xiaoguang)"
* tag 'for-5.9/io_uring-20200802' of git://git.kernel.dk/linux-block: (127 commits)
io_uring: flip if handling after io_setup_async_rw
fs: optimise kiocb_set_rw_flags()
io_uring: don't touch 'ctx' after installing file descriptor
io_uring: get rid of atomic FAA for cq_timeouts
io_uring: consolidate *_check_overflow accounting
io_uring: fix stalled deferred requests
io_uring: fix racy overflow count reporting
io_uring: deduplicate __io_complete_rw()
io_uring: de-unionise io_kiocb
io-wq: update hash bits
io_uring: fix missing io_queue_linked_timeout()
io_uring: mark ->work uninitialised after cleanup
io_uring: deduplicate io_grab_files() calls
io_uring: don't do opcode prep twice
io_uring: clear IORING_SQ_NEED_WAKEUP after executing task works
io_uring: batch put_task_struct()
tasks: add put_task_struct_many()
io_uring: return locked and pinned page accounting
io_uring: don't miscount pinned memory
io_uring: don't open-code recv kbuf managment
...
|
||
|
Christoph Hellwig
|
5b642d8b9f |
block: integrate bd_start_claiming into __blkdev_get
bd_start_claiming duplicates a lot of the work done in __blkdev_get. Integrate the two functions to avoid the duplicate work, and to do the right thing for the md -ERESTARTSYS corner case. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Christoph Hellwig
|
ecbe6bc000 |
block: use bd_prepare_to_claim directly in the loop driver
The arcane magic in bd_start_claiming is only needed to be able to claim a block_device that hasn't been fully set up. Switch the loop driver that claims from the ioctl path with a fully set up struct block_device to just use the much simpler bd_prepare_to_claim directly. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Christoph Hellwig
|
58e46ed9cc |
block: refactor bd_start_claiming
Move the locking and assignment of bd_claiming from bd_start_claiming to bd_prepare_to_claim. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Christoph Hellwig
|
c5638ab417 |
block: simplify the restart case in __blkdev_get
Insted of duplicating all the cleanup logic jump to the code that cleans up anyway, and restart after that. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Christoph Hellwig
|
9a3ffbbc65 |
block: remove flush_disk
flush_disk has only two callers, so open code it there. That also helps clarifying the error message for the particular case, and allows to remove setting bd_invalidated in check_disk_size_change, which will be cleared again instantly. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Christoph Hellwig
|
1008fe6dc3 |
block: remove the all_bdevs list
Instead just iterate over the inodes for the block device superblock. Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Christoph Hellwig
|
e556f6ba10 |
block: remove the bd_queue field from struct block_device
Just use bd_disk->queue instead. Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Christoph Hellwig
|
6b7b181b67 |
block: remove the bd_block_size field from struct block_device
We can trivially calculate the block size from the inodes i_blkbits variable. Use that instead of keeping two redundant copies of the information in slightly different formats. Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Christoph Hellwig
|
5ff9f19231 |
block: simplify set_init_blocksize
The loop to increase the initial block size doesn't really make any sense, as the AND operation won't match for powers of two if it didn't for the initial block size. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Christoph Hellwig
|
764b23bd9a |
block: mark bd_finish_claiming static
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Jens Axboe
|
a304f07448 |
block: flag block devices as supporting IOCB_WAITQ
Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Zheng Bin
|
3373a3461a |
block: make function 'kill_bdev' static
kill_bdev does not have any external user, so make it static. Signed-off-by: Zheng Bin <zhengbin13@huawei.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Jason Yan
|
2d3a8e2ded |
block: Fix use-after-free in blkdev_get()
In blkdev_get() we call __blkdev_get() to do some internal jobs and if
there is some errors in __blkdev_get(), the bdput() is called which
means we have released the refcount of the bdev (actually the refcount of
the bdev inode). This means we cannot access bdev after that point. But
acctually bdev is still accessed in blkdev_get() after calling
__blkdev_get(). This results in use-after-free if the refcount is the
last one we released in __blkdev_get(). Let's take a look at the
following scenerio:
CPU0 CPU1 CPU2
blkdev_open blkdev_open Remove disk
bd_acquire
blkdev_get
__blkdev_get del_gendisk
bdev_unhash_inode
bd_acquire bdev_get_gendisk
bd_forget failed because of unhashed
bdput
bdput (the last one)
bdev_evict_inode
access bdev => use after free
[ 459.350216] BUG: KASAN: use-after-free in __lock_acquire+0x24c1/0x31b0
[ 459.351190] Read of size 8 at addr ffff88806c815a80 by task syz-executor.0/20132
[ 459.352347]
[ 459.352594] CPU: 0 PID: 20132 Comm: syz-executor.0 Not tainted 4.19.90 #2
[ 459.353628] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014
[ 459.354947] Call Trace:
[ 459.355337] dump_stack+0x111/0x19e
[ 459.355879] ? __lock_acquire+0x24c1/0x31b0
[ 459.356523] print_address_description+0x60/0x223
[ 459.357248] ? __lock_acquire+0x24c1/0x31b0
[ 459.357887] kasan_report.cold+0xae/0x2d8
[ 459.358503] __lock_acquire+0x24c1/0x31b0
[ 459.359120] ? _raw_spin_unlock_irq+0x24/0x40
[ 459.359784] ? lockdep_hardirqs_on+0x37b/0x580
[ 459.360465] ? _raw_spin_unlock_irq+0x24/0x40
[ 459.361123] ? finish_task_switch+0x125/0x600
[ 459.361812] ? finish_task_switch+0xee/0x600
[ 459.362471] ? mark_held_locks+0xf0/0xf0
[ 459.363108] ? __schedule+0x96f/0x21d0
[ 459.363716] lock_acquire+0x111/0x320
[ 459.364285] ? blkdev_get+0xce/0xbe0
[ 459.364846] ? blkdev_get+0xce/0xbe0
[ 459.365390] __mutex_lock+0xf9/0x12a0
[ 459.365948] ? blkdev_get+0xce/0xbe0
[ 459.366493] ? bdev_evict_inode+0x1f0/0x1f0
[ 459.367130] ? blkdev_get+0xce/0xbe0
[ 459.367678] ? destroy_inode+0xbc/0x110
[ 459.368261] ? mutex_trylock+0x1a0/0x1a0
[ 459.368867] ? __blkdev_get+0x3e6/0x1280
[ 459.369463] ? bdev_disk_changed+0x1d0/0x1d0
[ 459.370114] ? blkdev_get+0xce/0xbe0
[ 459.370656] blkdev_get+0xce/0xbe0
[ 459.371178] ? find_held_lock+0x2c/0x110
[ 459.371774] ? __blkdev_get+0x1280/0x1280
[ 459.372383] ? lock_downgrade+0x680/0x680
[ 459.373002] ? lock_acquire+0x111/0x320
[ 459.373587] ? bd_acquire+0x21/0x2c0
[ 459.374134] ? do_raw_spin_unlock+0x4f/0x250
[ 459.374780] blkdev_open+0x202/0x290
[ 459.375325] do_dentry_open+0x49e/0x1050
[ 459.375924] ? blkdev_get_by_dev+0x70/0x70
[ 459.376543] ? __x64_sys_fchdir+0x1f0/0x1f0
[ 459.377192] ? inode_permission+0xbe/0x3a0
[ 459.377818] path_openat+0x148c/0x3f50
[ 459.378392] ? kmem_cache_alloc+0xd5/0x280
[ 459.379016] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 459.379802] ? path_lookupat.isra.0+0x900/0x900
[ 459.380489] ? __lock_is_held+0xad/0x140
[ 459.381093] do_filp_open+0x1a1/0x280
[ 459.381654] ? may_open_dev+0xf0/0xf0
[ 459.382214] ? find_held_lock+0x2c/0x110
[ 459.382816] ? lock_downgrade+0x680/0x680
[ 459.383425] ? __lock_is_held+0xad/0x140
[ 459.384024] ? do_raw_spin_unlock+0x4f/0x250
[ 459.384668] ? _raw_spin_unlock+0x1f/0x30
[ 459.385280] ? __alloc_fd+0x448/0x560
[ 459.385841] do_sys_open+0x3c3/0x500
[ 459.386386] ? filp_open+0x70/0x70
[ 459.386911] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 459.387610] ? trace_hardirqs_off_caller+0x55/0x1c0
[ 459.388342] ? do_syscall_64+0x1a/0x520
[ 459.388930] do_syscall_64+0xc3/0x520
[ 459.389490] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 459.390248] RIP: 0033:0x416211
[ 459.390720] Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83
04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff 48 89 04 24 b8 02 00 00 00 0f
05 <48> 8b 3c 24 48 89 c2 e8 53 fa ff ff 48 89 d0 48 83 c4 08 48 3d
01
[ 459.393483] RSP: 002b:00007fe45dfe9a60 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
[ 459.394610] RAX: ffffffffffffffda RBX: 00007fe45dfea6d4 RCX: 0000000000416211
[ 459.395678] RDX: 00007fe45dfe9b0a RSI: 0000000000000002 RDI: 00007fe45dfe9b00
[ 459.396758] RBP: 000000000076bf20 R08: 0000000000000000 R09: 000000000000000a
[ 459.397930] R10: 0000000000000075 R11: 0000000000000293 R12: 00000000ffffffff
[ 459.399022] R13: 0000000000000bd9 R14: 00000000004cdb80 R15: 000000000076bf2c
[ 459.400168]
[ 459.400430] Allocated by task 20132:
[ 459.401038] kasan_kmalloc+0xbf/0xe0
[ 459.401652] kmem_cache_alloc+0xd5/0x280
[ 459.402330] bdev_alloc_inode+0x18/0x40
[ 459.402970] alloc_inode+0x5f/0x180
[ 459.403510] iget5_locked+0x57/0xd0
[ 459.404095] bdget+0x94/0x4e0
[ 459.404607] bd_acquire+0xfa/0x2c0
[ 459.405113] blkdev_open+0x110/0x290
[ 459.405702] do_dentry_open+0x49e/0x1050
[ 459.406340] path_openat+0x148c/0x3f50
[ 459.406926] do_filp_open+0x1a1/0x280
[ 459.407471] do_sys_open+0x3c3/0x500
[ 459.408010] do_syscall_64+0xc3/0x520
[ 459.408572] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 459.409415]
[ 459.409679] Freed by task 1262:
[ 459.410212] __kasan_slab_free+0x129/0x170
[ 459.410919] kmem_cache_free+0xb2/0x2a0
[ 459.411564] rcu_process_callbacks+0xbb2/0x2320
[ 459.412318] __do_softirq+0x225/0x8ac
Fix this by delaying bdput() to the end of blkdev_get() which means we
have finished accessing bdev.
Fixes:
|
||
|
Linus Torvalds
|
bce159d734 |
for-5.8/drivers-2020-06-01
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Merge tag 'for-5.8/drivers-2020-06-01' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe:
"On top of the core changes, here are the block driver changes for this
merge window:
- NVMe changes:
- NVMe over Fibre Channel protocol updates, which also reach
over to drivers/scsi/lpfc (James Smart)
- namespace revalidation support on the target (Anthony
Iliopoulos)
- gcc zero length array fix (Arnd Bergmann)
- nvmet cleanups (Chaitanya Kulkarni)
- misc cleanups and fixes (me, Keith Busch, Sagi Grimberg)
- use a SRQ per completion vector (Max Gurtovoy)
- fix handling of runtime changes to the queue count (Weiping
Zhang)
- t10 protection information support for nvme-rdma and
nvmet-rdma (Israel Rukshin and Max Gurtovoy)
- target side AEN improvements (Chaitanya Kulkarni)
- various fixes and minor improvements all over, icluding the
nvme part of the lpfc driver"
- Floppy code cleanup series (Willy, Denis)
- Floppy contention fix (Jiri)
- Loop CONFIGURE support (Martijn)
- bcache fixes/improvements (Coly, Joe, Colin)
- q->queuedata cleanups (Christoph)
- Get rid of ioctl_by_bdev (Christoph, Stefan)
- md/raid5 allocation fixes (Coly)
- zero length array fixes (Gustavo)
- swim3 task state fix (Xu)"
* tag 'for-5.8/drivers-2020-06-01' of git://git.kernel.dk/linux-block: (166 commits)
bcache: configure the asynchronous registertion to be experimental
bcache: asynchronous devices registration
bcache: fix refcount underflow in bcache_device_free()
bcache: Convert pr_<level> uses to a more typical style
bcache: remove redundant variables i and n
lpfc: Fix return value in __lpfc_nvme_ls_abort
lpfc: fix axchg pointer reference after free and double frees
lpfc: Fix pointer checks and comments in LS receive refactoring
nvme: set dma alignment to qword
nvmet: cleanups the loop in nvmet_async_events_process
nvmet: fix memory leak when removing namespaces and controllers concurrently
nvmet-rdma: add metadata/T10-PI support
nvmet: add metadata support for block devices
nvmet: add metadata/T10-PI support
nvme: add Metadata Capabilities enumerations
nvmet: rename nvmet_check_data_len to nvmet_check_transfer_len
nvmet: rename nvmet_rw_len to nvmet_rw_data_len
nvmet: add metadata characteristics for a namespace
nvme-rdma: add metadata/T10-PI support
nvme-rdma: introduce nvme_rdma_sgl structure
...
|
||
|
Linus Torvalds
|
750a02ab8d |
for-5.8/block-2020-06-01
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||
|
Linus Torvalds
|
355ba37d75 |
Power management updates for 5.8-rc1
- Rework the system-wide PM driver flags to make them easier to
understand and use and update their documentation (Rafael Wysocki,
Alan Stern).
- Allow cpuidle governors to be switched at run time regardless of
the kernel configuration and update the related documentation
accordingly (Hanjun Guo).
- Improve the resume device handling in the user space hibernarion
interface code (Domenico Andreoli).
- Document the intel-speed-select sysfs interface (Srinivas
Pandruvada).
- Make the ACPI code handing suspend to idle print more debug
messages to help diagnose issues with it (Rafael Wysocki).
- Fix a helper routine in the cpufreq core and correct a typo in
the struct cpufreq_driver kerneldoc comment (Rafael Wysocki, Wang
Wenhu).
- Update cpufreq drivers:
* Make the intel_pstate driver start in the passive mode by
default on systems without HWP (Rafael Wysocki).
* Add i.MX7ULP support to the imx-cpufreq-dt driver and add
i.MX7ULP to the cpufreq-dt-platdev blacklist (Peng Fan).
* Convert the qoriq cpufreq driver to a platform one, make the
platform code create a suitable device object for it and add
platform dependencies to it (Mian Yousaf Kaukab, Geert
Uytterhoeven).
* Fix wrong compatible binding in the qcom driver (Ansuel Smith).
* Build the omap driver by default for ARCH_OMAP2PLUS (Anders
Roxell).
* Add r8a7742 SoC support to the dt cpufreq driver (Lad Prabhakar).
- Update cpuidle core and drivers:
* Fix three reference count leaks in error code paths in the
cpuidle core (Qiushi Wu).
* Convert Qualcomm SPM to a generic cpuidle driver (Stephan
Gerhold).
* Fix up the execution order when entering a domain idle state in
the PSCI driver (Ulf Hansson).
- Fix a reference counting issue related to clock management and
clean up two oddities in the PM-runtime framework (Rafael Wysocki,
Andy Shevchenko).
- Add ElkhartLake support to the Intel RAPL power capping driver
and remove an unused local MSR definition from it (Jacob Pan,
Sumeet Pawnikar).
- Update devfreq core and drivers:
* Replace strncpy() with strscpy() in the devfreq core and use
lockdep asserts instead of manual checks for a locked mutex in
it (Dmitry Osipenko, Krzysztof Kozlowski).
* Add a generic imx bus scaling driver and make it register an
interconnect device (Leonard Crestez, Gustavo A. R. Silva).
* Make the cpufreq notifier in the tegra30 driver take boosting
into account and delete an unuseful error message from that
driver (Dmitry Osipenko, Markus Elfring).
- Remove unneeded semicolon from the cpupower code (Zou Wei).
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Merge tag 'pm-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These rework the system-wide PM driver flags, make runtime switching
of cpuidle governors easier, improve the user space hibernation
interface code, add intel-speed-select interface documentation, add
more debug messages to the ACPI code handling suspend to idle, update
the cpufreq core and drivers, fix a minor issue in the cpuidle core
and update two cpuidle drivers, improve the PM-runtime framework,
update the Intel RAPL power capping driver, update devfreq core and
drivers, and clean up the cpupower utility.
Specifics:
- Rework the system-wide PM driver flags to make them easier to
understand and use and update their documentation (Rafael Wysocki,
Alan Stern).
- Allow cpuidle governors to be switched at run time regardless of
the kernel configuration and update the related documentation
accordingly (Hanjun Guo).
- Improve the resume device handling in the user space hibernarion
interface code (Domenico Andreoli).
- Document the intel-speed-select sysfs interface (Srinivas
Pandruvada).
- Make the ACPI code handing suspend to idle print more debug
messages to help diagnose issues with it (Rafael Wysocki).
- Fix a helper routine in the cpufreq core and correct a typo in the
struct cpufreq_driver kerneldoc comment (Rafael Wysocki, Wang
Wenhu).
- Update cpufreq drivers:
- Make the intel_pstate driver start in the passive mode by
default on systems without HWP (Rafael Wysocki).
- Add i.MX7ULP support to the imx-cpufreq-dt driver and add
i.MX7ULP to the cpufreq-dt-platdev blacklist (Peng Fan).
- Convert the qoriq cpufreq driver to a platform one, make the
platform code create a suitable device object for it and add
platform dependencies to it (Mian Yousaf Kaukab, Geert
Uytterhoeven).
- Fix wrong compatible binding in the qcom driver (Ansuel Smith).
- Build the omap driver by default for ARCH_OMAP2PLUS (Anders
Roxell).
- Add r8a7742 SoC support to the dt cpufreq driver (Lad
Prabhakar).
- Update cpuidle core and drivers:
- Fix three reference count leaks in error code paths in the
cpuidle core (Qiushi Wu).
- Convert Qualcomm SPM to a generic cpuidle driver (Stephan
Gerhold).
- Fix up the execution order when entering a domain idle state in
the PSCI driver (Ulf Hansson).
- Fix a reference counting issue related to clock management and
clean up two oddities in the PM-runtime framework (Rafael Wysocki,
Andy Shevchenko).
- Add ElkhartLake support to the Intel RAPL power capping driver and
remove an unused local MSR definition from it (Jacob Pan, Sumeet
Pawnikar).
- Update devfreq core and drivers:
- Replace strncpy() with strscpy() in the devfreq core and use
lockdep asserts instead of manual checks for a locked mutex in
it (Dmitry Osipenko, Krzysztof Kozlowski).
- Add a generic imx bus scaling driver and make it register an
interconnect device (Leonard Crestez, Gustavo A. R. Silva).
- Make the cpufreq notifier in the tegra30 driver take boosting
into account and delete an unuseful error message from that
driver (Dmitry Osipenko, Markus Elfring).
- Remove unneeded semicolon from the cpupower code (Zou Wei)"
* tag 'pm-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (51 commits)
cpuidle: Fix three reference count leaks
PM: runtime: Replace pm_runtime_callbacks_present()
PM / devfreq: Use lockdep asserts instead of manual checks for locked mutex
PM / devfreq: imx-bus: Fix inconsistent IS_ERR and PTR_ERR
PM / devfreq: Replace strncpy with strscpy
PM / devfreq: imx: Register interconnect device
PM / devfreq: Add generic imx bus scaling driver
PM / devfreq: tegra30: Delete an error message in tegra_devfreq_probe()
PM / devfreq: tegra30: Make CPUFreq notifier to take into account boosting
PM: hibernate: Restrict writes to the resume device
PM: runtime: clk: Fix clk_pm_runtime_get() error path
cpuidle: Convert Qualcomm SPM driver to a generic CPUidle driver
ACPI: EC: PM: s2idle: Extend GPE dispatching debug message
ACPI: PM: s2idle: Print type of wakeup debug messages
powercap: RAPL: remove unused local MSR define
PM: runtime: Make clear what we do when conditions are wrong in rpm_suspend()
Documentation: admin-guide: pm: Document intel-speed-select
PM: hibernate: Split off snapshot dev option
PM: hibernate: Incorporate concurrency handling
Documentation: ABI: make current_governer_ro as a candidate for removal
...
|
||
|
Matthew Wilcox (Oracle)
|
d4388340ae |
fs: convert mpage_readpages to mpage_readahead
Implement the new readahead aop and convert all callers (block_dev, exfat, ext2, fat, gfs2, hpfs, isofs, jfs, nilfs2, ocfs2, omfs, qnx6, reiserfs & udf). The callers are all trivial except for GFS2 & OCFS2. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Junxiao Bi <junxiao.bi@oracle.com> # ocfs2 Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com> # ocfs2 Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: John Hubbard <jhubbard@nvidia.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: William Kucharski <william.kucharski@oracle.com> Cc: Chao Yu <yuchao0@huawei.com> Cc: Cong Wang <xiyou.wangcong@gmail.com> Cc: Darrick J. Wong <darrick.wong@oracle.com> Cc: Eric Biggers <ebiggers@google.com> Cc: Gao Xiang <gaoxiang25@huawei.com> Cc: Jaegeuk Kim <jaegeuk@kernel.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Zi Yan <ziy@nvidia.com> Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com> Cc: Miklos Szeredi <mszeredi@redhat.com> Link: http://lkml.kernel.org/r/20200414150233.24495-17-willy@infradead.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Domenico Andreoli
|
ad1e4f74c0 |
PM: hibernate: Restrict writes to the resume device
Hibernation via snapshot device requires write permission to the swap block device, the one that more often (but not necessarily) is used to store the hibernation image. With this patch, such permissions are granted iff: 1) snapshot device config option is enabled 2) swap partition is used as resume device In other circumstances the swap device is not writable from userspace. In order to achieve this, every write attempt to a swap device is checked against the device configured as part of the uswsusp API [0] using a pointer to the inode struct in memory. If the swap device being written was not configured for resuming, the write request is denied. NOTE: this implementation works only for swap block devices, where the inode configured by swapon (which sets S_SWAPFILE) is the same used by SNAPSHOT_SET_SWAP_AREA. In case of swap file, SNAPSHOT_SET_SWAP_AREA indeed receives the inode of the block device containing the filesystem where the swap file is located (+ offset in it) which is never passed to swapon and then has not set S_SWAPFILE. As result, the swap file itself (as a file) has never an option to be written from userspace. Instead it remains writable if accessed directly from the containing block device, which is always writeable from root. [0] Documentation/power/userland-swsusp.rst v2: - rename is_hibernate_snapshot_dev() to is_hibernate_resume_dev() - fix description so to correctly refer to the resume device Signed-off-by: Domenico Andreoli <domenico.andreoli@linux.com> Acked-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
|
Christoph Hellwig
|
9398554fb3 |
block: remove the error_sector argument to blkdev_issue_flush
The argument isn't used by any caller, and drivers don't fill out bi_sector for flush requests either. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Christoph Hellwig
|
3783daeb1d |
block: remove ioctl_by_bdev
No callers left. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Ming Lei
|
e6249cdd46 |
block: add blk_io_schedule() for avoiding task hung in sync dio
Sync dio could be big, or may take long time in discard or in case of IO failure. We have prevented task hung in submit_bio_wait() and blk_execute_rq(), so apply the same trick for prevent task hung from happening in sync dio. Add helper of blk_io_schedule() and use io_schedule_timeout() to prevent task hung warning. Signed-off-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Cc: Salman Qazi <sqazi@google.com> Cc: Jesse Barnes <jsbarnes@google.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Bart Van Assche <bvanassche@acm.org> Cc: Hannes Reinecke <hare@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> |