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3969 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Greg Kroah-Hartman
|
26bf816608 |
This is the 4.19.18 stable release
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Merge 4.19.18 into android-4.19
Changes in 4.19.18
ipv6: Consider sk_bound_dev_if when binding a socket to a v4 mapped address
mlxsw: spectrum: Disable lag port TX before removing it
mlxsw: spectrum_switchdev: Set PVID correctly during VLAN deletion
net: dsa: mv88x6xxx: mv88e6390 errata
net, skbuff: do not prefer skb allocation fails early
qmi_wwan: add MTU default to qmap network interface
r8169: Add support for new Realtek Ethernet
ipv6: Take rcu_read_lock in __inet6_bind for mapped addresses
net: clear skb->tstamp in bridge forwarding path
netfilter: ipset: Allow matching on destination MAC address for mac and ipmac sets
gpio: pl061: Move irq_chip definition inside struct pl061
drm/amd/display: Guard against null stream_state in set_crc_source
drm/amdkfd: fix interrupt spin lock
ixgbe: allow IPsec Tx offload in VEPA mode
platform/x86: asus-wmi: Tell the EC the OS will handle the display off hotkey
e1000e: allow non-monotonic SYSTIM readings
usb: typec: tcpm: Do not disconnect link for self powered devices
selftests/bpf: enable (uncomment) all tests in test_libbpf.sh
of: overlay: add missing of_node_put() after add new node to changeset
writeback: don't decrement wb->refcnt if !wb->bdi
serial: set suppress_bind_attrs flag only if builtin
bpf: Allow narrow loads with offset > 0
ALSA: oxfw: add support for APOGEE duet FireWire
x86/mce: Fix -Wmissing-prototypes warnings
MIPS: SiByte: Enable swiotlb for SWARM, LittleSur and BigSur
crypto: ecc - regularize scalar for scalar multiplication
arm64: perf: set suppress_bind_attrs flag to true
drm/atomic-helper: Complete fake_commit->flip_done potentially earlier
clk: meson: meson8b: fix incorrect divider mapping in cpu_scale_table
samples: bpf: fix: error handling regarding kprobe_events
usb: gadget: udc: renesas_usb3: add a safety connection way for forced_b_device
fpga: altera-cvp: fix probing for multiple FPGAs on the bus
selinux: always allow mounting submounts
ASoC: pcm3168a: Don't disable pcm3168a when CONFIG_PM defined
scsi: qedi: Check for session online before getting iSCSI TLV data.
drm/amdgpu: Reorder uvd ring init before uvd resume
rxe: IB_WR_REG_MR does not capture MR's iova field
efi/libstub: Disable some warnings for x86{,_64}
jffs2: Fix use of uninitialized delayed_work, lockdep breakage
clk: imx: make mux parent strings const
pstore/ram: Do not treat empty buffers as valid
media: uvcvideo: Refactor teardown of uvc on USB disconnect
powerpc/xmon: Fix invocation inside lock region
powerpc/pseries/cpuidle: Fix preempt warning
media: firewire: Fix app_info parameter type in avc_ca{,_app}_info
ASoC: use dma_ops of parent device for acp_audio_dma
media: venus: core: Set dma maximum segment size
staging: erofs: fix use-after-free of on-stack `z_erofs_vle_unzip_io'
net: call sk_dst_reset when set SO_DONTROUTE
scsi: target: use consistent left-aligned ASCII INQUIRY data
scsi: target/core: Make sure that target_wait_for_sess_cmds() waits long enough
selftests: do not macro-expand failed assertion expressions
arm64: kasan: Increase stack size for KASAN_EXTRA
clk: imx6q: reset exclusive gates on init
arm64: Fix minor issues with the dcache_by_line_op macro
bpf: relax verifier restriction on BPF_MOV | BPF_ALU
kconfig: fix file name and line number of warn_ignored_character()
kconfig: fix memory leak when EOF is encountered in quotation
mmc: atmel-mci: do not assume idle after atmci_request_end
btrfs: volumes: Make sure there is no overlap of dev extents at mount time
btrfs: alloc_chunk: fix more DUP stripe size handling
btrfs: fix use-after-free due to race between replace start and cancel
btrfs: improve error handling of btrfs_add_link
tty/serial: do not free trasnmit buffer page under port lock
perf intel-pt: Fix error with config term "pt=0"
perf tests ARM: Disable breakpoint tests 32-bit
perf svghelper: Fix unchecked usage of strncpy()
perf parse-events: Fix unchecked usage of strncpy()
perf vendor events intel: Fix Load_Miss_Real_Latency on SKL/SKX
netfilter: ipt_CLUSTERIP: check MAC address when duplicate config is set
netfilter: ipt_CLUSTERIP: remove wrong WARN_ON_ONCE in netns exit routine
netfilter: ipt_CLUSTERIP: fix deadlock in netns exit routine
x86/topology: Use total_cpus for max logical packages calculation
dm crypt: use u64 instead of sector_t to store iv_offset
dm kcopyd: Fix bug causing workqueue stalls
perf stat: Avoid segfaults caused by negated options
tools lib subcmd: Don't add the kernel sources to the include path
dm snapshot: Fix excessive memory usage and workqueue stalls
perf cs-etm: Correct packets swapping in cs_etm__flush()
perf tools: Add missing sigqueue() prototype for systems lacking it
perf tools: Add missing open_memstream() prototype for systems lacking it
quota: Lock s_umount in exclusive mode for Q_XQUOTA{ON,OFF} quotactls.
clocksource/drivers/integrator-ap: Add missing of_node_put()
dm: Check for device sector overflow if CONFIG_LBDAF is not set
Bluetooth: btusb: Add support for Intel bluetooth device 8087:0029
ALSA: bebob: fix model-id of unit for Apogee Ensemble
sysfs: Disable lockdep for driver bind/unbind files
IB/usnic: Fix potential deadlock
scsi: mpt3sas: fix memory ordering on 64bit writes
scsi: smartpqi: correct lun reset issues
ath10k: fix peer stats null pointer dereference
scsi: smartpqi: call pqi_free_interrupts() in pqi_shutdown()
scsi: megaraid: fix out-of-bound array accesses
iomap: don't search past page end in iomap_is_partially_uptodate
ocfs2: fix panic due to unrecovered local alloc
mm/page-writeback.c: don't break integrity writeback on ->writepage() error
mm/swap: use nr_node_ids for avail_lists in swap_info_struct
userfaultfd: clear flag if remap event not enabled
mm, proc: be more verbose about unstable VMA flags in /proc/<pid>/smaps
iwlwifi: mvm: Send LQ command as async when necessary
Bluetooth: Fix unnecessary error message for HCI request completion
ipmi: fix use-after-free of user->release_barrier.rda
ipmi: msghandler: Fix potential Spectre v1 vulnerabilities
ipmi: Prevent use-after-free in deliver_response
ipmi:ssif: Fix handling of multi-part return messages
ipmi: Don't initialize anything in the core until something uses it
Linux 4.19.18
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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Daniel Vetter
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a13daf038b |
sysfs: Disable lockdep for driver bind/unbind files
[ Upstream commit |
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Greg Kroah-Hartman
|
caf54339d3 |
This is the 4.19.15 stable release
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Merge 4.19.15 into android-4.19
Changes in 4.19.15
ARM: dts: sun8i: a83t: bananapi-m3: increase vcc-pd voltage to 3.3V
pinctrl: meson: fix pull enable register calculation
arm64: dts: mt7622: fix no more console output on rfb1
powerpc: Fix COFF zImage booting on old powermacs
powerpc/mm: Fix linux page tables build with some configs
HID: ite: Add USB id match for another ITE based keyboard rfkill key quirk
ARM: dts: imx7d-pico: Describe the Wifi clock
ARM: imx: update the cpu power up timing setting on i.mx6sx
ARM: dts: imx7d-nitrogen7: Fix the description of the Wifi clock
IB/mlx5: Block DEVX umem from the non applicable cases
Input: restore EV_ABS ABS_RESERVED
powerpc/mm: Fallback to RAM if the altmap is unusable
drm/amdgpu: Fix DEBUG_LOCKS_WARN_ON(depth <= 0) in amdgpu_ctx.lock
IB/core: Fix oops in netdev_next_upper_dev_rcu()
checkstack.pl: fix for aarch64
xfrm: Fix error return code in xfrm_output_one()
xfrm: Fix bucket count reported to userspace
xfrm: Fix NULL pointer dereference in xfrm_input when skb_dst_force clears the dst_entry.
ieee802154: hwsim: fix off-by-one in parse nested
netfilter: nf_tables: fix suspicious RCU usage in nft_chain_stats_replace()
netfilter: seqadj: re-load tcp header pointer after possible head reallocation
Revert "scsi: qla2xxx: Fix NVMe Target discovery"
scsi: bnx2fc: Fix NULL dereference in error handling
Input: omap-keypad - fix idle configuration to not block SoC idle states
Input: synaptics - enable RMI on ThinkPad T560
ibmvnic: Convert reset work item mutex to spin lock
ibmvnic: Fix non-atomic memory allocation in IRQ context
ieee802154: ca8210: fix possible u8 overflow in ca8210_rx_done
x86/mm: Fix guard hole handling
x86/dump_pagetables: Fix LDT remap address marker
i40e: fix mac filter delete when setting mac address
ixgbe: Fix race when the VF driver does a reset
netfilter: ipset: do not call ipset_nest_end after nla_nest_cancel
netfilter: nat: can't use dst_hold on noref dst
netfilter: nf_conncount: use rb_link_node_rcu() instead of rb_link_node()
bnx2x: Clear fip MAC when fcoe offload support is disabled
bnx2x: Remove configured vlans as part of unload sequence.
bnx2x: Send update-svid ramrod with retry/poll flags enabled
scsi: target: iscsi: cxgbit: fix csk leak
scsi: target: iscsi: cxgbit: add missing spin_lock_init()
mt76: fix potential NULL pointer dereference in mt76_stop_tx_queues
x86, hyperv: remove PCI dependency
drivers: net: xgene: Remove unnecessary forward declarations
net/tls: Init routines in create_ctx
w90p910_ether: remove incorrect __init annotation
net: hns: Incorrect offset address used for some registers.
net: hns: All ports can not work when insmod hns ko after rmmod.
net: hns: Some registers use wrong address according to the datasheet.
net: hns: Fixed bug that netdev was opened twice
net: hns: Clean rx fbd when ae stopped.
net: hns: Free irq when exit from abnormal branch
net: hns: Avoid net reset caused by pause frames storm
net: hns: Fix ntuple-filters status error.
net: hns: Add mac pcs config when enable|disable mac
net: hns: Fix ping failed when use net bridge and send multicast
mac80211: fix a kernel panic when TXing after TXQ teardown
SUNRPC: Fix a race with XPRT_CONNECTING
qed: Fix an error code qed_ll2_start_xmit()
net: macb: fix random memory corruption on RX with 64-bit DMA
net: macb: fix dropped RX frames due to a race
net: macb: add missing barriers when reading descriptors
lan743x: Expand phy search for LAN7431
lan78xx: Resolve issue with changing MAC address
vxge: ensure data0 is initialized in when fetching firmware version information
nl80211: fix memory leak if validate_pae_over_nl80211() fails
mac80211: free skb fraglist before freeing the skb
kbuild: fix false positive warning/error about missing libelf
m68k: Fix memblock-related crashes
virtio: fix test build after uio.h change
lan743x: Remove MAC Reset from initialization
gpio: mvebu: only fail on missing clk if pwm is actually to be used
Input: synaptics - enable SMBus for HP EliteBook 840 G4
net: netxen: fix a missing check and an uninitialized use
qmi_wwan: Fix qmap header retrieval in qmimux_rx_fixup
serial/sunsu: fix refcount leak
auxdisplay: charlcd: fix x/y command parsing
scsi: zfcp: fix posting too many status read buffers leading to adapter shutdown
scsi: lpfc: do not set queue->page_count to 0 if pc_sli4_params.wqpcnt is invalid
fork: record start_time late
zram: fix double free backing device
hwpoison, memory_hotplug: allow hwpoisoned pages to be offlined
mm, devm_memremap_pages: mark devm_memremap_pages() EXPORT_SYMBOL_GPL
mm, devm_memremap_pages: kill mapping "System RAM" support
mm, devm_memremap_pages: fix shutdown handling
mm, devm_memremap_pages: add MEMORY_DEVICE_PRIVATE support
mm, hmm: use devm semantics for hmm_devmem_{add, remove}
mm, hmm: mark hmm_devmem_{add, add_resource} EXPORT_SYMBOL_GPL
mm, swap: fix swapoff with KSM pages
memcg, oom: notify on oom killer invocation from the charge path
sunrpc: fix cache_head leak due to queued request
sunrpc: use SVC_NET() in svcauth_gss_* functions
powerpc: remove old GCC version checks
powerpc: consolidate -mno-sched-epilog into FTRACE flags
powerpc: avoid -mno-sched-epilog on GCC 4.9 and newer
powerpc: Disable -Wbuiltin-requires-header when setjmp is used
kbuild: add -no-integrated-as Clang option unconditionally
kbuild: consolidate Clang compiler flags
Makefile: Export clang toolchain variables
powerpc/boot: Set target when cross-compiling for clang
raid6/ppc: Fix build for clang
dma-direct: do not include SME mask in the DMA supported check
mt76x0: init hw capabilities
media: cx23885: only reset DMA on problematic CPUs
ALSA: cs46xx: Potential NULL dereference in probe
ALSA: usb-audio: Avoid access before bLength check in build_audio_procunit()
ALSA: usb-audio: Check mixer unit descriptors more strictly
ALSA: usb-audio: Fix an out-of-bound read in create_composite_quirks
ALSA: usb-audio: Always check descriptor sizes in parser code
srcu: Lock srcu_data structure in srcu_gp_start()
driver core: Add missing dev->bus->need_parent_lock checks
Fix failure path in alloc_pid()
block: deactivate blk_stat timer in wbt_disable_default()
block: mq-deadline: Fix write completion handling
dlm: fixed memory leaks after failed ls_remove_names allocation
dlm: possible memory leak on error path in create_lkb()
dlm: lost put_lkb on error path in receive_convert() and receive_unlock()
dlm: memory leaks on error path in dlm_user_request()
gfs2: Get rid of potential double-freeing in gfs2_create_inode
gfs2: Fix loop in gfs2_rbm_find
b43: Fix error in cordic routine
selinux: policydb - fix byte order and alignment issues
PCI / PM: Allow runtime PM without callback functions
lockd: Show pid of lockd for remote locks
nfsd4: zero-length WRITE should succeed
arm64: drop linker script hack to hide __efistub_ symbols
arm64: relocatable: fix inconsistencies in linker script and options
leds: pwm: silently error out on EPROBE_DEFER
Revert "powerpc/tm: Unset MSR[TS] if not recheckpointing"
powerpc/tm: Set MSR[TS] just prior to recheckpoint
iio: dac: ad5686: fix bit shift read register
9p/net: put a lower bound on msize
rxe: fix error completion wr_id and qp_num
RDMA/srpt: Fix a use-after-free in the channel release code
iommu/vt-d: Handle domain agaw being less than iommu agaw
sched/fair: Fix infinite loop in update_blocked_averages() by reverting
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Rafael J. Wysocki
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5781b53dd8 |
driver core: Add missing dev->bus->need_parent_lock checks
commit |
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Greg Kroah-Hartman
|
8735c21738 |
This is the 4.19.14 stable release
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error in ibmveth_xmit_start error path ieee802154: lowpan_header_create check must check daddr ip6mr: Fix potential Spectre v1 vulnerability ipv4: Fix potential Spectre v1 vulnerability ipv6: explicitly initialize udp6_addr in udp_sock_create6() ipv6: tunnels: fix two use-after-free ip: validate header length on virtual device xmit isdn: fix kernel-infoleak in capi_unlocked_ioctl net: clear skb->tstamp in forwarding paths net/hamradio/6pack: use mod_timer() to rearm timers net: ipv4: do not handle duplicate fragments as overlapping net: macb: restart tx after tx used bit read net: mvpp2: 10G modes aren't supported on all ports net: phy: Fix the issue that netif always links up after resuming netrom: fix locking in nr_find_socket() net/smc: fix TCP fallback socket release net: stmmac: Fix an error code in probe() net/tls: allocate tls context using GFP_ATOMIC net/wan: fix a double free in x25_asy_open_tty() packet: validate address length packet: validate address length if non-zero ptr_ring: wrap back ->producer in __ptr_ring_swap_queue() qmi_wwan: Added support for Fibocom NL668 series qmi_wwan: Added support for Telit LN940 series qmi_wwan: Add support for Fibocom NL678 series sctp: initialize sin6_flowinfo for ipv6 addrs in sctp_inet6addr_event sock: Make sock->sk_stamp thread-safe tcp: fix a race in inet_diag_dump_icsk() tipc: check tsk->group in tipc_wait_for_cond() tipc: compare remote and local protocols in tipc_udp_enable() tipc: fix a double free in tipc_enable_bearer() tipc: fix a double kfree_skb() tipc: use lock_sock() in tipc_sk_reinit() vhost: make sure used idx is seen before log in vhost_add_used_n() VSOCK: Send reset control packet when socket is partially bound xen/netfront: tolerate frags with no data net/mlx5: Typo fix in del_sw_hw_rule tipc: check group dests after tipc_wait_for_cond() net/mlx5e: Remove the false indication of software timestamping support ipv6: frags: Fix bogus skb->sk in reassembled packets net/ipv6: Fix a test against 'ipv6_find_idev()' return value nfp: flower: ensure TCP flags can be placed in IPv6 frame ipv6: route: Fix return value of ip6_neigh_lookup() on neigh_create() error mscc: Configured MAC entries should be locked. net/mlx5e: Cancel DIM work on close SQ net/mlx5e: RX, Verify MPWQE stride size is in range net: mvpp2: fix the phylink mode validation qed: Fix command number mismatch between driver and the mfw mlxsw: core: Increase timeout during firmware flash process net/mlx5e: Remove unused UDP GSO remaining counter net/mlx5e: RX, Fix wrong early return in receive queue poll net: mvneta: fix operation for 64K PAGE_SIZE net: Use __kernel_clockid_t in uapi net_stamp.h r8169: fix WoL device wakeup enable IB/hfi1: Incorrect sizing of sge for PIO will OOPs ALSA: rme9652: Fix potential Spectre v1 vulnerability ALSA: emu10k1: Fix potential Spectre v1 vulnerabilities ALSA: pcm: Fix potential Spectre v1 vulnerability ALSA: emux: Fix potential Spectre v1 vulnerabilities powerpc/fsl: Fix spectre_v2 mitigations reporting mtd: atmel-quadspi: disallow building on ebsa110 mtd: rawnand: marvell: prevent timeouts on a loaded machine mtd: rawnand: omap2: Pass the parent of pdev to dma_request_chan() ALSA: hda: add mute LED support for HP EliteBook 840 G4 ALSA: hda/realtek: Enable audio jacks of ASUS UX391UA with ALC294 ALSA: fireface: fix for state to fetch PCM frames ALSA: firewire-lib: fix wrong handling payload_length as payload_quadlet ALSA: firewire-lib: fix wrong assignment for 'out_packet_without_header' tracepoint ALSA: firewire-lib: use the same print format for 'without_header' tracepoints ALSA: hda/realtek: Enable the headset mic auto detection for ASUS laptops ALSA: hda/tegra: clear pending irq handlers usb: dwc2: host: use hrtimer for NAK retries USB: serial: pl2303: add ids for Hewlett-Packard HP POS pole displays USB: serial: option: add Fibocom NL678 series usb: r8a66597: Fix a possible concurrency use-after-free bug in r8a66597_endpoint_disable() usb: dwc2: disable power_down on Amlogic devices Revert "usb: dwc3: pci: Use devm functions to get the phy GPIOs" usb: roles: Add a description for the class to Kconfig media: dvb-usb-v2: Fix incorrect use of transfer_flags URB_FREE_BUFFER staging: wilc1000: fix missing read_write setting when reading data ASoC: intel: cht_bsw_max98090_ti: Add pmc_plt_clk_0 quirk for Chromebook Clapper ASoC: intel: cht_bsw_max98090_ti: Add pmc_plt_clk_0 quirk for Chromebook Gnawty s390/pci: fix sleeping in atomic during hotplug Input: atmel_mxt_ts - don't try to free unallocated kernel memory Input: elan_i2c - add ACPI ID for touchpad in ASUS Aspire F5-573G x86/speculation/l1tf: Drop the swap storage limit restriction when l1tf=off x86/mm: Drop usage of __flush_tlb_all() in kernel_physical_mapping_init() KVM: x86: Use jmp to invoke kvm_spurious_fault() from .fixup arm64: KVM: Make VHE Stage-2 TLB invalidation operations non-interruptible KVM: nVMX: Free the VMREAD/VMWRITE bitmaps if alloc_kvm_area() fails platform-msi: Free descriptors in platform_msi_domain_free() drm/v3d: Skip debugfs dumping GCA on platforms without GCA. DRM: UDL: get rid of useless vblank initialization clocksource/drivers/arc_timer: Utilize generic sched_clock perf machine: Record if a arch has a single user/kernel address space perf thread: Add fallback functions for cases where cpumode is insufficient perf tools: Use fallback for sample_addr_correlates_sym() cases perf script: Use fallbacks for branch stacks perf pmu: Suppress potential format-truncation warning perf env: Also consider env->arch == NULL as local operation ocxl: Fix endiannes bug in ocxl_link_update_pe() ocxl: Fix endiannes bug in read_afu_name() ext4: add ext4_sb_bread() to disambiguate ENOMEM cases ext4: fix possible use after free in ext4_quota_enable ext4: missing unlock/put_page() in ext4_try_to_write_inline_data() ext4: fix EXT4_IOC_GROUP_ADD ioctl ext4: include terminating u32 in size of xattr entries when expanding inodes ext4: avoid declaring fs inconsistent due to invalid file handles ext4: force inode writes when nfsd calls commit_metadata() ext4: check for shutdown and r/o file system in ext4_write_inode() spi: bcm2835: Fix race on DMA termination spi: bcm2835: Fix book-keeping of DMA termination spi: bcm2835: Avoid finishing transfer prematurely in IRQ mode clk: rockchip: fix typo in rk3188 spdif_frac parent clk: sunxi-ng: Use u64 for calculation of NM rate crypto: cavium/nitrox - fix a DMA pool free failure crypto: chcr - small packet Tx stalls the queue crypto: testmgr - add AES-CFB tests crypto: cfb - fix decryption cgroup: fix CSS_TASK_ITER_PROCS cdc-acm: fix abnormal DATA RX issue for Mediatek Preloader. btrfs: dev-replace: go back to suspended state if target device is missing btrfs: dev-replace: go back to suspend state if another EXCL_OP is running btrfs: skip file_extent generation check for free_space_inode in run_delalloc_nocow Btrfs: fix fsync of files with multiple hard links in new directories btrfs: run delayed items before dropping the snapshot Btrfs: send, fix race with transaction commits that create snapshots brcmfmac: fix roamoff=1 modparam brcmfmac: Fix out of bounds memory access during fw load powerpc/tm: Unset MSR[TS] if not recheckpointing dax: Don't access a freed inode dax: Use non-exclusive wait in wait_entry_unlocked() f2fs: read page index before freeing f2fs: fix validation of the block count in sanity_check_raw_super f2fs: sanity check of xattr entry size serial: uartps: Fix interrupt mask issue to handle the RX interrupts properly media: cec: keep track of outstanding transmits media: cec-pin: fix broken tx_ignore_nack_until_eom error injection media: rc: cec devices do not have a lirc chardev media: imx274: fix stack corruption in imx274_read_reg media: vivid: free bitmap_cap when updating std/timings/etc. media: vb2: check memory model for VIDIOC_CREATE_BUFS media: v4l2-tpg: array index could become negative tools lib traceevent: Fix processing of dereferenced args in bprintk events MIPS: math-emu: Write-protect delay slot emulation pages MIPS: c-r4k: Add r4k_blast_scache_node for Loongson-3 MIPS: Ensure pmd_present() returns false after pmd_mknotpresent() MIPS: Align kernel load address to 64KB MIPS: Expand MIPS32 ASIDs to 64 bits MIPS: OCTEON: mark RGMII interface disabled on OCTEON III MIPS: Fix a R10000_LLSC_WAR logic in atomic.h CIFS: Fix error mapping for SMB2_LOCK command which caused OFD lock problem smb3: fix large reads on encrypted connections arm64: KVM: Avoid setting the upper 32 bits of VTCR_EL2 to 1 arm/arm64: KVM: vgic: Force VM halt when changing the active state of GICv3 PPIs/SGIs ARM: dts: exynos: Specify I2S assigned clocks in proper node rtc: m41t80: Correct alarm month range with RTC reads KVM: arm/arm64: vgic: Do not cond_resched_lock() with IRQs disabled KVM: arm/arm64: vgic: Cap SPIs to the VM-defined maximum KVM: arm/arm64: vgic-v2: Set active_source to 0 when restoring state KVM: arm/arm64: vgic: Fix off-by-one bug in vgic_get_irq() iommu/arm-smmu-v3: Fix big-endian CMD_SYNC writes arm64: compat: Avoid sending SIGILL for unallocated syscall numbers tpm: tpm_try_transmit() refactor error flow. tpm: tpm_i2c_nuvoton: use correct command duration for TPM 2.x spi: bcm2835: Unbreak the build of esoteric configs MIPS: Only include mmzone.h when CONFIG_NEED_MULTIPLE_NODES=y Linux 4.19.14 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> |
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|
Miquel Raynal
|
6c56e89e4e |
platform-msi: Free descriptors in platform_msi_domain_free()
commit |
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|
Ruchi Kandoi
|
97f0960e55 |
ANDROID: power: wakeup_reason: add an API to log wakeup reasons
Add API log_wakeup_reason() and expose it to userspace via sysfs path
/sys/kernel/wakeup_reasons/last_resume_reason
Bug: 120445600
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
[AmitP: Folded following android-4.9 commit changes into this patch
|
||
|
Dietmar Eggemann
|
c4ed8aa44d |
ANDROID: implement max frequency capping
Implements the Max Frequency Capping Engine (MFCE) getter function topology_get_max_freq_scale() to provide the scheduler with a maximum frequency scaling correction factor for more accurate cpu capacity handling by being able to deal with max frequency capping. This scaling factor describes the influence of running a cpu with a current maximum frequency (policy) lower than the maximum possible frequency (cpuinfo). The factor is: policy_max_freq(cpu) << SCHED_CAPACITY_SHIFT / cpuinfo_max_freq(cpu) It also implements the MFCE setter function arch_set_max_freq_scale() which is called from cpufreq_set_policy(). Signed-off-by: Ionela Voinescu <ionela.voinescu@arm.com> Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com> [Trivial cherry-pick issue in cpufreq.c] Signed-off-by: Quentin Perret <quentin.perret@arm.com> Change-Id: I59e52861ee260755ab0518fe1f7183a2e4e3d0fc |
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|
Morten Rasmussen
|
9e986d2718 |
UPSTREAM: sched/topology, drivers/base/arch_topology: Rebuild the sched_domain hierarchy when capacities change
The setting of SD_ASYM_CPUCAPACITY depends on the per-CPU capacities.
These might not have their final values when the hierarchy is initially
built as the values depend on cpufreq to be initialized or the values
being set through sysfs. To ensure that the flags are set correctly we
need to rebuild the sched_domain hierarchy whenever the reported per-CPU
capacity (arch_scale_cpu_capacity()) changes.
This patch ensure that a full sched_domain rebuild happens when CPU
capacity changes occur.
Signed-off-by: Morten Rasmussen <morten.rasmussen@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: dietmar.eggemann@arm.com
Cc: valentin.schneider@arm.com
Cc: vincent.guittot@linaro.org
Link: http://lkml.kernel.org/r/1532093554-30504-3-git-send-email-morten.rasmussen@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
(cherry picked from commit
|
||
|
Greg Kroah-Hartman
|
fb1c592cf4 |
Char/Misc fixes for 4.19-rc7
Here are 8 small fixes for some char/misc driver issues Included here are: - fpga driver fixes - thunderbolt bugfixes - firmware core revert/fix - hv core fix - hv tool fix All of these have been in linux-next with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCW7mgvw8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+yltNwCgp0XpcCTEoBCiBInhPHYpR4xnclYAoId6nfC5 89LJS04eEQzbiQJpigLt =U6rt -----END PGP SIGNATURE----- Merge tag 'char-misc-4.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc I wrote: "Char/Misc fixes for 4.19-rc7 Here are 8 small fixes for some char/misc driver issues Included here are: - fpga driver fixes - thunderbolt bugfixes - firmware core revert/fix - hv core fix - hv tool fix All of these have been in linux-next with no reported issues." * tag 'char-misc-4.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: thunderbolt: Initialize after IOMMUs thunderbolt: Do not handle ICM events after domain is stopped firmware: Always initialize the fw_priv list object docs: fpga: document fpga manager flags fpga: bridge: fix obvious function documentation error tools: hv: fcopy: set 'error' in case an unknown operation was requested fpga: do not access region struct after fpga_region_unregister Drivers: hv: vmbus: Use get/put_cpu() in vmbus_connect() |
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|
Rafael J. Wysocki
|
69e445ab8b |
PM / core: Clear the direct_complete flag on errors
If __device_suspend() runs asynchronously (in which case the device
passed to it is in dpm_suspended_list at that point) and it returns
early on an error or pending wakeup, and the power.direct_complete
flag has been set for the device already, the subsequent
device_resume() will be confused by that and it will call
pm_runtime_enable() incorrectly, as runtime PM has not been
disabled for the device by __device_suspend().
To avoid that, clear power.direct_complete if __device_suspend()
is not going to disable runtime PM for the device before returning.
Fixes:
|
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|
Bjorn Andersson
|
7012040576 |
firmware: Always initialize the fw_priv list object
When freeing the fw_priv the item is taken off the list. This causes an
oops in the FW_OPT_NOCACHE case as the list object is not initialized.
Make sure to initialize the list object regardless of this flag.
Fixes:
|
||
|
Rishabh Bhatnagar
|
422b3db2a5 |
firmware: Fix security issue with request_firmware_into_buf()
When calling request_firmware_into_buf() with the FW_OPT_NOCACHE flag
it is expected that firmware is loaded into buffer from memory.
But inside alloc_lookup_fw_priv every new firmware that is loaded is
added to the firmware cache (fwc) list head. So if any driver requests
a firmware that is already loaded the code iterates over the above
mentioned list and it can end up giving a pointer to other device driver's
firmware buffer.
Also the existing copy may either be modified by drivers, remote processors
or even freed. This causes a potential security issue with batched requests
when using request_firmware_into_buf.
Fix alloc_lookup_fw_priv to not add to the fwc head list if FW_OPT_NOCACHE
is set, and also don't do the lookup in the list.
Fixes:
|
||
|
Mikhail Zaslonko
|
4e8346d0be |
memory_hotplug: fix kernel_panic on offline page processing
Within show_valid_zones() the function test_pages_in_a_zone() should be called for online memory blocks only. Otherwise it might lead to the VM_BUG_ON due to uninitialized struct pages (when CONFIG_DEBUG_VM_PGFLAGS kernel option is set): page dumped because: VM_BUG_ON_PAGE(PagePoisoned(p)) ------------[ cut here ]------------ Call Trace: ([<000000000038f91e>] test_pages_in_a_zone+0xe6/0x168) [<0000000000923472>] show_valid_zones+0x5a/0x1a8 [<0000000000900284>] dev_attr_show+0x3c/0x78 [<000000000046f6f0>] sysfs_kf_seq_show+0xd0/0x150 [<00000000003ef662>] seq_read+0x212/0x4b8 [<00000000003bf202>] __vfs_read+0x3a/0x178 [<00000000003bf3ca>] vfs_read+0x8a/0x148 [<00000000003bfa3a>] ksys_read+0x62/0xb8 [<0000000000bc2220>] system_call+0xdc/0x2d8 That VM_BUG_ON was triggered by the page poisoning introduced in mm/sparse.c with the git commit |
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|
Dan Carpenter
|
5e2e2f9f76 |
PM / clk: signedness bug in of_pm_clk_add_clks()
"count" needs to be signed for the error handling to work. I made "i"
signed as well so they match.
Fixes:
|
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|
Linus Torvalds
|
a18d783fed |
Driver core patches for 4.19-rc1
Here are all of the driver core and related patches for 4.19-rc1. Nothing huge here, just a number of small cleanups and the ability to now stop the deferred probing after init happens. All of these have been in linux-next for a while with only a merge issue reported. That merge issue is in fs/sysfs/group.c and Stephen has posted the diff of what it should be to resolve this. I'll follow up with that diff to this pull request. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCW3g86Q8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ynyXQCePaZSW8wft4b7nLN8RdZ98ATBru0Ani10lrJa HQeQJRNbWU1AZ0ym7695 =tOaH -----END PGP SIGNATURE----- Merge tag 'driver-core-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core updates from Greg KH: "Here are all of the driver core and related patches for 4.19-rc1. Nothing huge here, just a number of small cleanups and the ability to now stop the deferred probing after init happens. All of these have been in linux-next for a while with only a merge issue reported" * tag 'driver-core-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (21 commits) base: core: Remove WARN_ON from link dependencies check drivers/base: stop new probing during shutdown drivers: core: Remove glue dirs from sysfs earlier driver core: remove unnecessary function extern declare sysfs.h: fix non-kernel-doc comment PM / Domains: Stop deferring probe at the end of initcall iommu: Remove IOMMU_OF_DECLARE iommu: Stop deferring probe at end of initcalls pinctrl: Support stopping deferred probe after initcalls dt-bindings: pinctrl: add a 'pinctrl-use-default' property driver core: allow stopping deferred probe after init driver core: add a debugfs entry to show deferred devices sysfs: Fix internal_create_group() for named group updates base: fix order of OF initialization linux/device.h: fix kernel-doc notation warning Documentation: update firmware loader fallback reference kobject: Replace strncpy with memcpy drivers: base: cacheinfo: use OF property_read_u32 instead of get_property,read_number kernfs: Replace strncpy with memcpy device: Add #define dev_fmt similar to #define pr_fmt ... |
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|
Luis R. Rodriguez
|
a3266bd49c |
mm: provide a fallback for PAGE_KERNEL_RO for architectures
Some architectures do not define certain PAGE_KERNEL_* flags, this is either because: a) The way to implement some of these flags is *not yet ported*, or b) The architecture *has no way* to describe them Over time we have accumulated a few PAGE_KERNEL_* fallback workarounds for architectures in the kernel which do not define them using *relatively safe* equivalents. Move these scattered fallback hacks into asm-generic. We start off with PAGE_KERNEL_RO using PAGE_KERNEL as a fallback. This has been in place on the firmware loader for years. Move the fallback into the respective asm-generic header. Link: http://lkml.kernel.org/r/20180510185507.2439-2-mcgrof@kernel.org Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Matthew Wilcox <willy@infradead.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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|
Oscar Salvador
|
3172e5e61c |
mm/memory_hotplug.c: drop unnecessary checks from register_mem_sect_under_node()
Callers of register_mem_sect_under_node() are always passing a valid memory_block (not NULL), so we can safely drop the check for NULL. In the same way, register_mem_sect_under_node() is only called in case the node is online, so we can safely remove that check as well. Link: http://lkml.kernel.org/r/20180622111839.10071-5-osalvador@techadventures.net Signed-off-by: Oscar Salvador <osalvador@suse.de> Reviewed-by: Pavel Tatashin <pasha.tatashin@oracle.com> Tested-by: Reza Arbab <arbab@linux.vnet.ibm.com> Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Pasha Tatashin <Pavel.Tatashin@microsoft.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Oscar Salvador
|
4fbce63391 |
mm/memory_hotplug.c: make register_mem_sect_under_node() a callback of walk_memory_range()
link_mem_sections() and walk_memory_range() share most of the code, so we can use convert link_mem_sections() into a dummy function that calls walk_memory_range() with a callback to register_mem_sect_under_node(). This patch converts register_mem_sect_under_node() in order to match a walk_memory_range's callback, getting rid of the check_nid argument and checking instead if the system is still boothing, since we only have to check for the nid if the system is in such state. Link: http://lkml.kernel.org/r/20180622111839.10071-4-osalvador@techadventures.net Signed-off-by: Oscar Salvador <osalvador@suse.de> Suggested-by: Pavel Tatashin <pasha.tatashin@oracle.com> Tested-by: Reza Arbab <arbab@linux.vnet.ibm.com> Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Pavel Tatashin <pavel.tatashin@microsoft.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Oscar Salvador
|
d5b6f6a361 |
mm/memory_hotplug.c: call register_mem_sect_under_node()
When hotplugging memory, it is possible that two calls are being made to register_mem_sect_under_node(). One comes from __add_section()->hotplug_memory_register() and the other from add_memory_resource()->link_mem_sections() if we had to register a new node. In case we had to register a new node, hotplug_memory_register() will only handle/allocate the memory_block's since register_mem_sect_under_node() will return right away because the node it is not online yet. I think it is better if we leave hotplug_memory_register() to handle/allocate only memory_block's and make link_mem_sections() to call register_mem_sect_under_node(). So this patch removes the call to register_mem_sect_under_node() from hotplug_memory_register(), and moves the call to link_mem_sections() out of the condition, so it will always be called. In this way we only have one place where the memory sections are registered. Link: http://lkml.kernel.org/r/20180622111839.10071-3-osalvador@techadventures.net Signed-off-by: Oscar Salvador <osalvador@suse.de> Reviewed-by: Pavel Tatashin <pasha.tatashin@oracle.com> Tested-by: Reza Arbab <arbab@linux.vnet.ibm.com> Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Cc: Pasha Tatashin <Pavel.Tatashin@microsoft.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Linus Torvalds
|
9a76aba02a |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
"Highlights:
- Gustavo A. R. Silva keeps working on the implicit switch fallthru
changes.
- Support 802.11ax High-Efficiency wireless in cfg80211 et al, From
Luca Coelho.
- Re-enable ASPM in r8169, from Kai-Heng Feng.
- Add virtual XFRM interfaces, which avoids all of the limitations of
existing IPSEC tunnels. From Steffen Klassert.
- Convert GRO over to use a hash table, so that when we have many
flows active we don't traverse a long list during accumluation.
- Many new self tests for routing, TC, tunnels, etc. Too many
contributors to mention them all, but I'm really happy to keep
seeing this stuff.
- Hardware timestamping support for dpaa_eth/fsl-fman from Yangbo Lu.
- Lots of cleanups and fixes in L2TP code from Guillaume Nault.
- Add IPSEC offload support to netdevsim, from Shannon Nelson.
- Add support for slotting with non-uniform distribution to netem
packet scheduler, from Yousuk Seung.
- Add UDP GSO support to mlx5e, from Boris Pismenny.
- Support offloading of Team LAG in NFP, from John Hurley.
- Allow to configure TX queue selection based upon RX queue, from
Amritha Nambiar.
- Support ethtool ring size configuration in aquantia, from Anton
Mikaev.
- Support DSCP and flowlabel per-transport in SCTP, from Xin Long.
- Support list based batching and stack traversal of SKBs, this is
very exciting work. From Edward Cree.
- Busyloop optimizations in vhost_net, from Toshiaki Makita.
- Introduce the ETF qdisc, which allows time based transmissions. IGB
can offload this in hardware. From Vinicius Costa Gomes.
- Add parameter support to devlink, from Moshe Shemesh.
- Several multiplication and division optimizations for BPF JIT in
nfp driver, from Jiong Wang.
- Lots of prepatory work to make more of the packet scheduler layer
lockless, when possible, from Vlad Buslov.
- Add ACK filter and NAT awareness to sch_cake packet scheduler, from
Toke Høiland-Jørgensen.
- Support regions and region snapshots in devlink, from Alex Vesker.
- Allow to attach XDP programs to both HW and SW at the same time on
a given device, with initial support in nfp. From Jakub Kicinski.
- Add TLS RX offload and support in mlx5, from Ilya Lesokhin.
- Use PHYLIB in r8169 driver, from Heiner Kallweit.
- All sorts of changes to support Spectrum 2 in mlxsw driver, from
Ido Schimmel.
- PTP support in mv88e6xxx DSA driver, from Andrew Lunn.
- Make TCP_USER_TIMEOUT socket option more accurate, from Jon
Maxwell.
- Support for templates in packet scheduler classifier, from Jiri
Pirko.
- IPV6 support in RDS, from Ka-Cheong Poon.
- Native tproxy support in nf_tables, from Máté Eckl.
- Maintain IP fragment queue in an rbtree, but optimize properly for
in-order frags. From Peter Oskolkov.
- Improvde handling of ACKs on hole repairs, from Yuchung Cheng"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1996 commits)
bpf: test: fix spelling mistake "REUSEEPORT" -> "REUSEPORT"
hv/netvsc: Fix NULL dereference at single queue mode fallback
net: filter: mark expected switch fall-through
xen-netfront: fix warn message as irq device name has '/'
cxgb4: Add new T5 PCI device ids 0x50af and 0x50b0
net: dsa: mv88e6xxx: missing unlock on error path
rds: fix building with IPV6=m
inet/connection_sock: prefer _THIS_IP_ to current_text_addr
net: dsa: mv88e6xxx: bitwise vs logical bug
net: sock_diag: Fix spectre v1 gadget in __sock_diag_cmd()
ieee802154: hwsim: using right kind of iteration
net: hns3: Add vlan filter setting by ethtool command -K
net: hns3: Set tx ring' tc info when netdev is up
net: hns3: Remove tx ring BD len register in hns3_enet
net: hns3: Fix desc num set to default when setting channel
net: hns3: Fix for phy link issue when using marvell phy driver
net: hns3: Fix for information of phydev lost problem when down/up
net: hns3: Fix for command format parsing error in hclge_is_all_function_id_zero
net: hns3: Add support for serdes loopback selftest
bnxt_en: take coredump_record structure off stack
...
|
||
|
Linus Torvalds
|
92d4a03674 |
Merge branch 'next-general' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem updates from James Morris: - kstrdup() return value fix from Eric Biggers - Add new security_load_data hook to differentiate security checking of kernel-loaded binaries in the case of there being no associated file descriptor, from Mimi Zohar. - Add ability to IMA to specify a policy at build-time, rather than just via command line params or by loading a custom policy, from Mimi. - Allow IMA and LSMs to prevent sysfs firmware load fallback (e.g. if using signed firmware), from Mimi. - Allow IMA to deny loading of kexec kernel images, as they cannot be measured by IMA, from Mimi. * 'next-general' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: security: check for kstrdup() failure in lsm_append() security: export security_kernel_load_data function ima: based on policy warn about loading firmware (pre-allocated buffer) module: replace the existing LSM hook in init_module ima: add build time policy ima: based on policy require signed firmware (sysfs fallback) firmware: add call to LSM hook before firmware sysfs fallback ima: based on policy require signed kexec kernel images kexec: add call to LSM hook in original kexec_load syscall security: define new LSM hook named security_kernel_load_data MAINTAINERS: remove the outdated "LINUX SECURITY MODULE (LSM) FRAMEWORK" entry |
||
|
Linus Torvalds
|
b018fc9800 |
Power management updates for 4.19-rc1
- Add a new framework for CPU idle time injection (Daniel Lezcano).
- Add AVS support to the armada-37xx cpufreq driver (Gregory CLEMENT).
- Add support for current CPU frequency reporting to the ACPI CPPC
cpufreq driver (George Cherian).
- Rework the cooling device registration in the imx6q/thermal
driver (Bastian Stender).
- Make the pcc-cpufreq driver refuse to work with dynamic
scaling governors on systems with many CPUs to avoid
scalability issues with it (Rafael Wysocki).
- Fix the intel_pstate driver to report different maximum CPU
frequencies on systems where they really are different and to
ignore the turbo active ratio if hardware-managend P-states (HWP)
are in use; make it use the match_string() helper (Xie Yisheng,
Srinivas Pandruvada).
- Fix a minor deferred probe issue in the qcom-kryo cpufreq
driver (Niklas Cassel).
- Add a tracepoint for the tracking of frequency limits changes
(from Andriod) to the cpufreq core (Ruchi Kandoi).
- Fix a circular lock dependency between CPU hotplug and sysfs
locking in the cpufreq core reported by lockdep (Waiman Long).
- Avoid excessive error reports on driver registration failures
in the ARM cpuidle driver (Sudeep Holla).
- Add a new device links flag to the driver core to make links go
away automatically on supplier driver removal (Vivek Gautam).
- Eliminate potential race condition between system-wide power
management transitions and system shutdown (Pingfan Liu).
- Add a quirk to save NVS memory on system suspend for the ASUS
1025C laptop (Willy Tarreau).
- Make more systems use suspend-to-idle (instead of ACPI S3) by
default (Tristian Celestin).
- Get rid of stack VLA usage in the low-level hibernation code on
64-bit x86 (Kees Cook).
- Fix error handling in the hibernation core and mark an expected
fall-through switch in it (Chengguang Xu, Gustavo Silva).
- Extend the generic power domains (genpd) framework to support
attaching a device to a power domain by name (Ulf Hansson).
- Fix device reference counting and user limits initialization in
the devfreq core (Arvind Yadav, Matthias Kaehlcke).
- Fix a few issues in the rk3399_dmc devfreq driver and improve its
documentation (Enric Balletbo i Serra, Lin Huang, Nick Milner).
- Drop a redundant error message from the exynos-ppmu devfreq driver
(Markus Elfring).
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Merge tag 'pm-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add a new framework for CPU idle time injection, to be used by
all of the idle injection code in the kernel in the future, fix some
issues and add a number of relatively small extensions in multiple
places.
Specifics:
- Add a new framework for CPU idle time injection (Daniel Lezcano).
- Add AVS support to the armada-37xx cpufreq driver (Gregory
CLEMENT).
- Add support for current CPU frequency reporting to the ACPI CPPC
cpufreq driver (George Cherian).
- Rework the cooling device registration in the imx6q/thermal driver
(Bastian Stender).
- Make the pcc-cpufreq driver refuse to work with dynamic scaling
governors on systems with many CPUs to avoid scalability issues
with it (Rafael Wysocki).
- Fix the intel_pstate driver to report different maximum CPU
frequencies on systems where they really are different and to
ignore the turbo active ratio if hardware-managend P-states (HWP)
are in use; make it use the match_string() helper (Xie Yisheng,
Srinivas Pandruvada).
- Fix a minor deferred probe issue in the qcom-kryo cpufreq driver
(Niklas Cassel).
- Add a tracepoint for the tracking of frequency limits changes (from
Andriod) to the cpufreq core (Ruchi Kandoi).
- Fix a circular lock dependency between CPU hotplug and sysfs
locking in the cpufreq core reported by lockdep (Waiman Long).
- Avoid excessive error reports on driver registration failures in
the ARM cpuidle driver (Sudeep Holla).
- Add a new device links flag to the driver core to make links go
away automatically on supplier driver removal (Vivek Gautam).
- Eliminate potential race condition between system-wide power
management transitions and system shutdown (Pingfan Liu).
- Add a quirk to save NVS memory on system suspend for the ASUS 1025C
laptop (Willy Tarreau).
- Make more systems use suspend-to-idle (instead of ACPI S3) by
default (Tristian Celestin).
- Get rid of stack VLA usage in the low-level hibernation code on
64-bit x86 (Kees Cook).
- Fix error handling in the hibernation core and mark an expected
fall-through switch in it (Chengguang Xu, Gustavo Silva).
- Extend the generic power domains (genpd) framework to support
attaching a device to a power domain by name (Ulf Hansson).
- Fix device reference counting and user limits initialization in the
devfreq core (Arvind Yadav, Matthias Kaehlcke).
- Fix a few issues in the rk3399_dmc devfreq driver and improve its
documentation (Enric Balletbo i Serra, Lin Huang, Nick Milner).
- Drop a redundant error message from the exynos-ppmu devfreq driver
(Markus Elfring)"
* tag 'pm-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (35 commits)
PM / reboot: Eliminate race between reboot and suspend
PM / hibernate: Mark expected switch fall-through
cpufreq: intel_pstate: Ignore turbo active ratio in HWP
cpufreq: Fix a circular lock dependency problem
cpu/hotplug: Add a cpus_read_trylock() function
x86/power/hibernate_64: Remove VLA usage
cpufreq: trace frequency limits change
cpufreq: intel_pstate: Show different max frequency with turbo 3 and HWP
cpufreq: pcc-cpufreq: Disable dynamic scaling on many-CPU systems
cpufreq: qcom-kryo: Silently error out on EPROBE_DEFER
cpufreq / CPPC: Add cpuinfo_cur_freq support for CPPC
cpufreq: armada-37xx: Add AVS support
dt-bindings: marvell: Add documentation for the Armada 3700 AVS binding
PM / devfreq: rk3399_dmc: Fix duplicated opp table on reload.
PM / devfreq: Init user limits from OPP limits, not viceversa
PM / devfreq: rk3399_dmc: fix spelling mistakes.
PM / devfreq: rk3399_dmc: do not print error when get supply and clk defer.
dt-bindings: devfreq: rk3399_dmc: move interrupts to be optional.
PM / devfreq: rk3399_dmc: remove wait for dcf irq event.
dt-bindings: clock: add rk3399 DDR3 standard speed bins.
...
|
||
|
Linus Torvalds
|
3860cae64c |
regulator: Changes for v4.19
The biggest set of changes in here is the addition of the Qualcomm RPMH
driver. As well as the regualtor driver itself being quite large due to
the usual involved Qualcomm regulator stuff there's also some code
shared with the arm-soc tree, a bus driver required to communicate with
the hardware that actually winds up being much larger than the regulator
driver itself and a LLCC driver that was part of the same signed tag
used with the arm-soc tree.
Other than that it's a fairly standard and quiet release, highlights
include:
- Addition of device links from regulator consumers to their
regulators, helping the core avoid dependency issues during suspend.
- Support for the entertainingly innovative suspend implementation in
the BD9571MWV.
- Support for switch regulators on the PFUZE100, this required two goes
due to backwards compatibility issues with old DTs that were
discovered.
- Support for Freescale PFUZE3001 and SocioNext UniPhier.
- The aforementioned Qualcomm RPMH driver together with the driver
changes required to support it.
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Merge tag 'regulator-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"The biggest set of changes in here is the addition of the Qualcomm
RPMH driver. As well as the regualtor driver itself being quite large
due to the usual involved Qualcomm regulator stuff there's also some
code shared with the arm-soc tree, a bus driver required to
communicate with the hardware that actually winds up being much larger
than the regulator driver itself and a LLCC driver that was part of
the same signed tag used with the arm-soc tree.
Other than that it's a fairly standard and quiet release, highlights
include:
- Addition of device links from regulator consumers to their
regulators, helping the core avoid dependency issues during
suspend.
- Support for the entertainingly innovative suspend implementation in
the BD9571MWV.
- Support for switch regulators on the PFUZE100, this required two
goes due to backwards compatibility issues with old DTs that were
discovered.
- Support for Freescale PFUZE3001 and SocioNext UniPhier.
- The aforementioned Qualcomm RPMH driver together with the driver
changes required to support it"
* tag 'regulator-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (52 commits)
regulator: add QCOM RPMh regulator driver
regulator: dt-bindings: add QCOM RPMh regulator bindings
regulator: samsung: Add SPDX license identifiers
regulator: maxim: Add SPDX license identifiers
regulator: bd71837: adobt MFD changes to regulator driver
regulator: tps65217: Fix NULL pointer dereference on probe
regulator: Add support for CPCAP regulators on Motorola Xoom devices.
regulator: Add sw2_sw4 voltage table to cpcap regulator.
regulator: bd9571mwv: Make symbol 'dev_attr_backup_mode' static
regulator: pfuze100: add support to en-/disable switch regulators
regulator: pfuze100: add optional disable switch-regulators binding
soc: qcom: rmtfs-mem: fix memleak in probe error paths
soc: qcom: llc-slice: Add missing MODULE_LICENSE()
drivers: qcom: rpmh: fix unwanted error check for get_tcs_of_type()
drivers: qcom: rpmh-rsc: fix the loop index check in get_req_from_tcs
firmware: qcom: scm: add a dummy qcom_scm_assign_mem()
drivers: qcom: rpmh-rsc: Check cmd_db_ready() to help children
drivers: qcom: rpmh-rsc: allow active requests from wake TCS
drivers: qcom: rpmh: add support for batch RPMH request
drivers: qcom: rpmh: allow requests to be sent asynchronously
...
|
||
|
Linus Torvalds
|
15bc88cd5f |
regmap: Changes for v4.19
Several small new features for regmap this time around:
- Support for SCCB, an I2C variant used on some media cards. This has
also pulled in an I2C commit from Peter Rosin as a dependency.
- Addition of an API for reading repeatedly from registers where the
address doesn't automatically increment like some ADC outputs or GPIO
status registers.
- Support for bulk I/O on Slimbus.
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Merge tag 'regmap-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"Several small new features for regmap this time around:
- Support for SCCB, an I2C variant used on some media cards. This has
also pulled in an I2C commit from Peter Rosin as a dependency.
- Addition of an API for reading repeatedly from registers where the
address doesn't automatically increment like some ADC outputs or
GPIO status registers.
- Support for bulk I/O on Slimbus"
* tag 'regmap-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: Add regmap_noinc_read API
regmap: sccb: fix typo and sort headers alphabetically
i2c: smbus: add unlocked __i2c_smbus_xfer variant
regmap: add SCCB support
regmap: slimbus: add support to multi read/write
|
||
|
Rafael J. Wysocki
|
17bc3432e3 |
Merge branches 'pm-core', 'pm-domains', 'pm-sleep', 'acpi-pm' and 'pm-cpuidle'
Merge changes in the PM core, system-wide PM infrastructure, generic power domains (genpd) framework, ACPI PM infrastructure and cpuidle for 4.19. * pm-core: driver core: Add flag to autoremove device link on supplier unbind driver core: Rename flag AUTOREMOVE to AUTOREMOVE_CONSUMER * pm-domains: PM / Domains: Introduce dev_pm_domain_attach_by_name() PM / Domains: Introduce option to attach a device by name to genpd PM / Domains: dt: Add a power-domain-names property * pm-sleep: PM / reboot: Eliminate race between reboot and suspend PM / hibernate: Mark expected switch fall-through x86/power/hibernate_64: Remove VLA usage PM / hibernate: cast PAGE_SIZE to int when comparing with error code * acpi-pm: ACPI / PM: save NVS memory for ASUS 1025C laptop ACPI / PM: Default to s2idle in all machines supporting LP S0 * pm-cpuidle: ARM: cpuidle: silence error on driver registration failure |
||
|
Mark Brown
|
d22d59362b
|
Merge branch 'regulator-4.19' into regulator-next | ||
|
Mark Brown
|
1dce5d849f
|
Merge branch 'regmap-4.19' into regmap-next | ||
|
Mark Brown
|
1cbddedbed |
regmap: Support non-incrementing registers
Some devices have individual registers that don't autoincrement the register address during bulk reads but instead repeatedly read the same value, for example for monitoring GPIOs or ADCs. Add support for these. -----BEGIN PGP SIGNATURE----- iQFHBAABCgAxFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAltsE8YTHGJyb29uaWVA a2VybmVsLm9yZwAKCRAk1otyXVSH0DeLB/sHEWAdyUCz9dO9pDdpi6WfpnKXuCCd ZFnx8VXBvzVLRCZYGXuMOUEzBQU2lTr2KPFDmE1k4FclyiWaI+hRIJ0s/x8FAl51 EFDoR4TM7t2n2aY0sPQCZKnoAhdQ9YPxlA9JjDUE57h0KoC76Dh8OB44dlAlxUAY PUjkv64/7AtvkBX7UZPQxckaPOLKM00P/hXwCB9MZCkjqnSWkUGgNCWPgKn9j2yL jiUQO0Wo9u8RkvYvndHPkh4NzgeH1sUFUdNys/Fopu6C2miIYBNKzvEo2OXhelHf k5rsoMQXYdiPdy4vRbeaWFetyEeBjxKIAQHKD0WJviFPw8j+ET+2GNjx =p0Mu -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQFHBAABCgAxFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAltsFCwTHGJyb29uaWVA a2VybmVsLm9yZwAKCRAk1otyXVSH0NcxB/wMqH+78D7GdJfMkxMKhCHFUxozfCe9 cgWgZ7+vlWpIwEGvM65FHMrFyc5ZrS3/vD6Hy8lqpsqGBVv6wS6Z0lsoOyj/QvTl T8USWKvQnvtzlPY5lRZL0xuGiaGGtpGa0eaLKH2lY7uvoge0oHz8VV6ar5y7eA1S 1INBpgTdHJgCQLZoc1pFNOcZ0EMFl6ZAygIWJTpqIwoQlvPEgtCQ4wjPlMUKrevP psJWd9obyM6+02mYFVMAlYpcMSoZ/MjPeMb7VGhLGwA1BA6dNcbiIeS7GCeH2r/i /vxvarsEm38MfLBIyORW06onHyRhVwXdLoD1jblmvYtRlfW5ANjr5g/O =mbi1 -----END PGP SIGNATURE----- Merge tag 'regmap-noinc-read' into regmap-4.19 regmap: Support non-incrementing registers Some devices have individual registers that don't autoincrement the register address during bulk reads but instead repeatedly read the same value, for example for monitoring GPIOs or ADCs. Add support for these. |
||
|
Crestez Dan Leonard
|
74fe7b551f
|
regmap: Add regmap_noinc_read API
The regmap API usually assumes that bulk read operations will read a range of registers but some I2C/SPI devices have certain registers for which a such a read operation will return data from an internal FIFO instead. Add an explicit API to support bulk read without range semantics. Some linux drivers use regmap_bulk_read or regmap_raw_read for such registers, for example mpu6050 or bmi150 from IIO. This only happens to work because when caching is disabled a single regmap read op will map to a single bus read op (as desired). This breaks if caching is enabled and reg+1 happens to be a cacheable register. Without regmap support refactoring a driver to enable regmap caching requires separate I2C and SPI paths. This is exactly what regmap is supposed to help avoid. Suggested-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Crestez Dan Leonard <leonard.crestez@intel.com> Signed-off-by: Stefan Popa <stefan.popa@analog.com> Signed-off-by: Mark Brown <broonie@kernel.org> |
||
|
Thomas Gleixner
|
f2701b77bb |
Merge 4.18-rc7 into master to pick up the KVM dependcy
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
||
|
David S. Miller
|
89b1698c93 |
Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net
The BTF conflicts were simple overlapping changes. The virtio_net conflict was an overlap of a fix of statistics counter, happening alongisde a move over to a bonafide statistics structure rather than counting value on the stack. Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Greg Kroah-Hartman
|
d2fc88a61b |
Merge 4.18-rc7 into driver-core-next
We need the driver core changes in here as well for testing. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Linus Torvalds
|
a5f9e5dab3 |
Driver core fixes for 4.18-rc7
This is a single driver core fix for 4.18-rc7. It partially reverts a previous commit to resolve some reported issues. It has been in linux-next for a while now with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCW1nVXg8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ylt+ACgnOBM409ab+U2z/0EZcJrd3fXjXcAn1XD1e5p Y0fBLaJ/sB+VpyiRP/gK =WxMr -----END PGP SIGNATURE----- Merge tag 'driver-core-4.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fix from Greg KH: "This is a single driver core fix for 4.18-rc7. It partially reverts a previous commit to resolve some reported issues. It has been in linux-next for a while now with no reported issues" * tag 'driver-core-4.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: driver core: Partially revert "driver core: correct device's shutdown order" |
||
|
Akinobu Mita
|
75eb3a67a2
|
regmap: sccb: fix typo and sort headers alphabetically
Fix typos 's/wit/with/' in the comments and sort headers alphabetically
in order to avoid duplicate includes in future.
Fixes:
|
||
|
Mark Brown
|
0afdd676f6
|
Merge branch 'i2c/smbus_xfer_unlock-immutable' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux into regmap-4.19 for sccb dependency | ||
|
Benjamin Gaignard
|
e16f4f3e0b |
base: core: Remove WARN_ON from link dependencies check
In some cases the link between between customer and supplier already exist, for example when a device use its parent as a supplier. Do not warn about already existing dependencies because device_link_add() takes care of this case. Link: http://lkml.kernel.org/r/20180709111753eucas1p1f32e66fb2f7ea3216097cd72a132355d~-rzycA5Rg0378203782eucas1p1C@eucas1p1.samsung.com Reported-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Mark Brown <broonie@kernel.org> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com> Reviewed-by: Rafael J. Wysocki <rafael@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Pingfan Liu
|
3297c8fc65 |
drivers/base: stop new probing during shutdown
There is a race window in device_shutdown(), which may cause
-1. parent device shut down before child or
-2. no shutdown on a new probing device.
For 1st, taking the following scenario:
device_shutdown new plugin device
list_del_init(parent_dev);
spin_unlock(list_lock);
device_add(child)
probe child
shutdown parent_dev
--> now child is on the tail of devices_kset
For 2nd, taking the following scenario:
device_shutdown new plugin device
device_add(dev)
device_lock(dev);
...
device_unlock(dev);
probe dev
--> now, the new occurred dev has no opportunity to shutdown
To fix this race issue, just prevent the new probing request. With this
logic, device_shutdown() is more similar to dpm_prepare().
Signed-off-by: Pingfan Liu <kernelfans@gmail.com>
Reviewed-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
||
|
Dmitry Torokhov
|
9944e894c1 |
driver core: set up ownership of class devices in sysfs
Plumb in get_ownership() callback for devices belonging to a class so that they can be created with uid/gid different from global root. This will allow network devices in a container to belong to container's root and not global root. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Reviewed-by: Tyler Hicks <tyhicks@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Mark Brown
|
e594a0636b |
regmap: Add support for SCCB
This is an I2C subset. -----BEGIN PGP SIGNATURE----- iQFHBAABCgAxFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAltPUrMTHGJyb29uaWVA a2VybmVsLm9yZwAKCRAk1otyXVSH0KODB/oDV+4c82VIUopoaXxK8PbBqDMn5n2r EKyb1D/GFiT54x2666arRT1NymL/uk6/nK1hryd/4HE5zB1lUQnu/Z7HCHgF4N+/ iWHtAgFUSZtNlMTRT6DW/tcsNDGnH9vjNJUhOLH9Y21h3Q4BpOo5HQVR8ynN4TDh 2inSy5qgADyrosxRpW5mp0Nt0tpFTfvYOHoRaLTbQUbBnpb/MmqcTzkYHcVNqA8V 7+e9/SOVU0XXHQD5k28F7eB84Mk+TXQrZQ181RwNOKUf3je86Im6WfrFqKHqKP5N UAq28AjsjRiBs1qwOYK0ytWR8gQvs39cZmdud507R1mLWEO4/++TruRt =wkUm -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQFHBAABCgAxFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAltPUyETHGJyb29uaWVA a2VybmVsLm9yZwAKCRAk1otyXVSH0CJsB/oD+83KWX8V1Q4HhaO3e6BN2SPYphQr jbImC9QUSRl/65+0ek6VjqLu4znY/LARRjNThN0l01wvWv7+h71DJBSKL67zK9en h4Lr8ZoewBQ408YaC5zl7ilFXgRBMhfCanDWWHv8jAv1rk9VQU8q9uNGo518e0Ks 2Gg/zTmQYp7dNMHsVO4AEr3UQye1yZdGdP1q1yk3nbNgZbDq4xWWZWl1p4Iy+QG3 e4SY+OYenQC/+pafUQOzPoiG3I/f8RAQG9SAtne+gtIyF85+Q8mVizuU89GdtH3O rKcaiNk/FpSbcBxAXEGb0qNy6PW6gnAbSznrOdc7MEj2V5E3KfoR7oVO =VO/+ -----END PGP SIGNATURE----- Merge tag 'regmap-sccb' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap into regmap-4.19 regmap: Add support for SCCB This is an I2C subset. |
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Akinobu Mita
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bcf7eac3d9
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regmap: add SCCB support
This adds Serial Camera Control Bus (SCCB) support for regmap API that
is intended to be used by some of Omnivision sensor drivers.
The ov772x and ov9650 drivers are going to use this SCCB regmap API.
The ov772x driver was previously only worked with the i2c controller
drivers that support I2C_FUNC_PROTOCOL_MANGLING, because the ov772x
device doesn't support repeated starts. After commit
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Mimi Zohar
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6e852651f2 |
firmware: add call to LSM hook before firmware sysfs fallback
Add an LSM hook prior to allowing firmware sysfs fallback loading. Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com> Acked-by: Luis R. Rodriguez <mcgrof@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: James Morris <james.morris@microsoft.com> |
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Benjamin Herrenschmidt
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726e410979 |
drivers: core: Remove glue dirs from sysfs earlier
For devices with a class, we create a "glue" directory between the parent device and the new device with the class name. This directory is never "explicitely" removed when empty however, this is left to the implicit sysfs removal done by kobject_release() when the object loses its last reference via kobject_put(). This is problematic because as long as it's not been removed from sysfs, it is still present in the class kset and in sysfs directory structure. The presence in the class kset exposes a use after free bug fixed by the previous patch, but the presence in sysfs means that until the kobject is released, which can take a while (especially with kobject debugging), any attempt at re-creating such as binding a new device for that class/parent pair, will result in a sysfs duplicate file name error. This fixes it by instead doing an explicit kobject_del() when the glue dir is empty, by keeping track of the number of child devices of the gluedir. This is made easy by the fact that all glue dir operations are done with a global mutex, and there's already a function (cleanup_glue_dir) called in all the right places taking that mutex that can be enhanced for this. It appears that this was in fact the intent of the function, but the implementation was wrong. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Shaokun Zhang
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46d3a03781 |
driver core: remove unnecessary function extern declare
device_private_init is called only in core.c, extern declare is unnecessary and make it static. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Srinivas Kandagatla
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e76ad18b56
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regmap: slimbus: add support to multi read/write
SLIMbus supports upto 16 bytes in value management messages, so add support to read/writes upto 16 bytes. This also removes redundant single register reg_read/reg_write. Also useful for paged register access on SLIMbus interfaced codecs. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Mark Brown <broonie@kernel.org> |
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Rafael J. Wysocki
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722e5f2b1e |
driver core: Partially revert "driver core: correct device's shutdown order"
Commit |
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Rob Herring
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e01afc3250 |
PM / Domains: Stop deferring probe at the end of initcall
All PM domain drivers must be built-in (at least those using DT), so there is no point deferring probe after initcalls are done. Continuing to defer probe may prevent booting successfully even if managing PM domains is not required. This can happen if the user failed to enable the driver or if power-domains are added to a platform's DT, but there is not yet a driver (e.g. a new DTB with an old kernel). Call the driver core function driver_deferred_probe_check_init_done() instead of just returning -EPROBE_DEFER to stop deferring probe when initcalls are done. Acked-by: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: Kevin Hilman <khilman@kernel.org> Cc: Ulf Hansson <ulf.hansson@linaro.org> Cc: Pavel Machek <pavel@ucw.cz> Cc: Len Brown <len.brown@intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: linux-pm@vger.kernel.org Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Rob Herring
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25b4e70dcc |
driver core: allow stopping deferred probe after init
Deferred probe will currently wait forever on dependent devices to probe, but sometimes a driver will never exist. It's also not always critical for a driver to exist. Platforms can rely on default configuration from the bootloader or reset defaults for things such as pinctrl and power domains. This is often the case with initial platform support until various drivers get enabled. There's at least 2 scenarios where deferred probe can render a platform broken. Both involve using a DT which has more devices and dependencies than the kernel supports. The 1st case is a driver may be disabled in the kernel config. The 2nd case is the kernel version may simply not have the dependent driver. This can happen if using a newer DT (provided by firmware perhaps) with a stable kernel version. Deferred probe issues can be difficult to debug especially if the console has dependencies or userspace fails to boot to a shell. There are also cases like IOMMUs where only built-in drivers are supported, so deferring probe after initcalls is not needed. The IOMMU subsystem implemented its own mechanism to handle this using OF_DECLARE linker sections. This commit adds makes ending deferred probe conditional on initcalls being completed or a debug timeout. Subsystems or drivers may opt-in by calling driver_deferred_probe_check_init_done() instead of unconditionally returning -EPROBE_DEFER. They may use additional information from DT or kernel's config to decide whether to continue to defer probe or not. The timeout mechanism is intended for debug purposes and WARNs loudly. The remaining deferred probe pending list will also be dumped after the timeout. Not that this timeout won't work for the console which needs to be enabled before userspace starts. However, if the console's dependencies are resolved, then the kernel log will be printed (as opposed to no output). Cc: Alexander Graf <agraf@suse.de> Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Vivek Gautam
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1689cac5b3 |
driver core: Add flag to autoremove device link on supplier unbind
Add a flag to autoremove the device links on supplier driver unbind. This obviates the need to explicitly delete the link in the remove path. We remove these links only when the supplier's link to its consumers has gone to DL_STATE_SUPPLIER_UNBIND state. Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org> Suggested-by: Lukas Wunner <lukas@wunner.de> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Vivek Gautam
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e88728f46c |
driver core: Rename flag AUTOREMOVE to AUTOREMOVE_CONSUMER
Now that we want to add another flag to autoremove the device link on supplier unbind, it's fair to rename the existing flag from DL_FLAG_AUTOREMOVE to DL_FLAG_AUTOREMOVE_CONSUMER so that we can add similar flag for supplier later. And, while we are touching device.h, fix a doc build warning. Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |