bka
145 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
lucaswei
|
3eaaeb22db |
Merge android-4.14 (4.14.165) into android-msm-floral-4.14-lts
Merge 4.14.165 into android-4.14
cuttlefish - enable CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG=y
ANDROID: Enable HID_STEAM as y
Linux 4.14.165
drm/i915/gen9: Clear residual context state on context switch
netfilter: ipset: avoid null deref when IPSET_ATTR_LINENO is present
* netfilter: arp_tables: init netns pointer in xt_tgchk_param struct
net/ipv4/netfilter/arp_tables.c
phy: cpcap-usb: Fix flakey host idling and enumerating of devices
phy: cpcap-usb: Fix error path when no host driver is loaded
* USB: Fix: Don't skip endpoint descriptors with maxpacket=0
drivers/usb/core/config.c
* HID: hiddev: fix mess in hiddev_open()
drivers/hid/usbhid/hiddev.c
* arm64: cpufeature: Avoid warnings due to unused symbols
arch/arm64/kernel/cpufeature.c
ath10k: fix memory leak
rtl8xxxu: prevent leaking urb
scsi: bfa: release allocated memory in case of error
mwifiex: pcie: Fix memory leak in mwifiex_pcie_alloc_cmdrsp_buf
mwifiex: fix possible heap overflow in mwifiex_process_country_ie()
* tty: always relink the port
drivers/tty/tty_port.c
* tty: link tty and port before configuring it as console
drivers/tty/serial/serial_core.c
drivers/tty/tty_port.c
staging: rtl8188eu: Add device code for TP-Link TL-WN727N v5.21
* drm/dp_mst: correct the shifting in DP_REMOTE_I2C_READ
drivers/gpu/drm/drm_dp_mst_topology.c
drm/fb-helper: Round up bits_per_pixel if possible
* Input: add safety guards to input_set_keycode()
drivers/input/input.c
* HID: hid-input: clear unmapped usages
drivers/hid/hid-input.c
staging: comedi: adv_pci1710: fix AI channels 16-31 for PCI-1713
usb: musb: dma: Correct parameter passed to IRQ handler
usb: musb: Disable pullup at init
usb: musb: fix idling for suspend after disconnect interrupt
USB: serial: option: add ZLP support for 0x1bc7/0x9010
staging: vt6656: set usb_set_intfdata on driver fail.
gpiolib: acpi: Add honor_wakeup module-option + quirk mechanism
gpiolib: acpi: Turn dmi_system_id table into a generic quirk table
can: can_dropped_invalid_skb(): ensure an initialized headroom in outgoing CAN sk_buffs
can: mscan: mscan_rx_poll(): fix rx path lockup when returning from polling to irq mode
can: gs_usb: gs_usb_probe(): use descriptors of current altsetting
* HID: uhid: Fix returning EPOLLOUT from uhid_char_poll
drivers/hid/uhid.c
* HID: Fix slab-out-of-bounds read in hid_field_extract
drivers/hid/hid-core.c
tracing: Have stack tracer compile when MCOUNT_INSN_SIZE is not defined
kernel/trace: Fix do not unregister tracepoints when register sched_migrate_task fail
ALSA: hda/realtek - Set EAPD control to default for ALC222
ALSA: hda/realtek - Add new codec supported for ALCS1200A
* ALSA: usb-audio: Apply the sample rate quirk for Bose Companion 5
sound/usb/quirks.c
usb: chipidea: host: Disable port power only if previously enabled
* chardev: Avoid potential use-after-free in 'chrdev_open()'
fs/char_dev.c
Merge remote-tracking branch 'origin/upstream-f2fs-stable-linux-4.14.y' into android-4.14
* UPSTREAM: kcov: fix struct layout for kcov_remote_arg
include/uapi/linux/kcov.h
UPSTREAM: vhost, kcov: collect coverage from vhost_worker
* UPSTREAM: usb, kcov: collect coverage from hub_event
drivers/usb/core/hub.c
* BACKPORT: kcov: remote coverage support
include/linux/kcov.h
include/linux/sched.h
include/uapi/linux/kcov.h
* UPSTREAM: kcov: improve CONFIG_ARCH_HAS_KCOV help text
lib/Kconfig.debug
UPSTREAM: kcov: convert kcov.refcount to refcount_t
UPSTREAM: kcov: no need to check return value of debugfs_create functions
UPSTREAM: kernel/kcov.c: mark write_comp_data() as notrace
UPSTREAM: kernel/kcov.c: mark funcs in __sanitizer_cov_trace_pc() as notrace
* BACKPORT: sched/core / kcov: avoid kcov_area during task switch
include/linux/kcov.h
include/linux/sched.h
kernel/sched/core.c
UPSTREAM: kcov: prefault the kcov_area
* BACKPORT: kcov: test compiler capability in Kconfig and correct dependency
lib/Kconfig.debug
scripts/Makefile.gcc-plugins
scripts/Makefile.kcov
* UPSTREAM: gcc-plugins: fix build condition of SANCOV plugin
scripts/Makefile.gcc-plugins
UPSTREAM: kcov: fix comparison callback signature
UPSTREAM: kcov: update documentation
* BACKPORT: Makefile: support flag -fsanitizer-coverage=trace-cmp
Makefile
lib/Kconfig.debug
scripts/Makefile.kcov
* BACKPORT: kcov: support comparison operands collection
include/linux/kcov.h
include/uapi/linux/kcov.h
UPSTREAM: kcov: remove pointless current != NULL check
Merge 4.14.164 into android-4.14
Linux 4.14.164
vlan: fix memory leak in vlan_dev_set_egress_priority
* net: sch_prio: When ungrafting, replace with FIFO
net/sched/sch_prio.c
vlan: vlan_changelink() should propagate errors
vxlan: fix tos value before xmit
* tcp: fix "old stuff" D-SACK causing SACK to be treated as D-SACK
net/ipv4/tcp_input.c
sctp: free cmd->obj.chunk for the unprocessed SCTP_CMD_REPLY
USB: serial: option: add Telit ME910G1 0x110a composition
* USB: core: fix check for duplicate endpoints
drivers/usb/core/config.c
pkt_sched: fq: do not accept silly TCA_FQ_QUANTUM
net: usb: lan78xx: fix possible skb leak
net: stmmac: dwmac-sunxi: Allow all RGMII modes
net: stmmac: dwmac-sun8i: Allow all RGMII modes
net: dsa: mv88e6xxx: Preserve priority when setting CPU port.
* macvlan: do not assume mac_header is set in macvlan_broadcast()
include/linux/if_ether.h
gtp: fix bad unlock balance in gtp_encap_enable_socket
mmc: block: propagate correct returned value in mmc_rpmb_ioctl
mmc: core: Prevent bus reference leak in mmc_blk_init()
mmc: block: Fix bug when removing RPMB chardev
mmc: block: Delete mmc_access_rpmb()
mmc: block: Convert RPMB to a character device
PCI/switchtec: Read all 64 bits of part_event_bitmap
* bpf: Fix passing modified ctx to ld/abs/ind instruction
kernel/bpf/verifier.c
* bpf: reject passing modified ctx to helper functions
kernel/bpf/verifier.c
hv_netvsc: Fix unwanted rx_table reset
llc2: Fix return statement of llc_stat_ev_rx_null_dsap_xid_c (and _test_c)
parisc: Fix compiler warnings in debug_core.c
* block: fix memleak when __blk_rq_map_user_iov() is failed
block/blk-map.c
s390/dasd: fix memleak in path handling error case
s390/dasd/cio: Interpret ccw_device_get_mdc return value correctly
net: stmmac: RX buffer size must be 16 byte aligned
net: stmmac: Do not accept invalid MTU values
* fs: avoid softlockups in s_inodes iterators
fs/drop_caches.c
fs/inode.c
fs/notify/fsnotify.c
fs/quota/dquot.c
perf/x86/intel: Fix PT PMI handling
* kconfig: don't crash on NULL expressions in expr_eq()
scripts/kconfig/expr.c
regulator: rn5t618: fix module aliases
ASoC: wm8962: fix lambda value
* rfkill: Fix incorrect check to avoid NULL pointer dereference
net/rfkill/core.c
net: usb: lan78xx: Fix error message format specifier
bnx2x: Fix logic to get total no. of PFs per engine
bnx2x: Do not handle requests from VFs after parity
powerpc: Ensure that swiotlb buffer is allocated from low memory
samples: bpf: fix syscall_tp due to unused syscall
samples: bpf: Replace symbol compare of trace_event
ARM: dts: am437x-gp/epos-evm: fix panel compatible
bpf, mips: Limit to 33 tail calls
ARM: dts: bcm283x: Fix critical trip point
ASoC: topology: Check return value for soc_tplg_pcm_create()
spi: spi-cavium-thunderx: Add missing pci_release_regions()
ARM: dts: Cygnus: Fix MDIO node address/size cells
netfilter: nf_tables: validate NFT_SET_ELEM_INTERVAL_END
netfilter: uapi: Avoid undefined left-shift in xt_sctp.h
ARM: vexpress: Set-up shared OPP table instead of individual for each CPU
efi/gop: Fix memory leak in __gop_query32/64()
efi/gop: Return EFI_SUCCESS if a usable GOP was found
efi/gop: Return EFI_NOT_FOUND if there are no usable GOPs
x86/efi: Update e820 with reserved EFI boot services data to fix kexec breakage
libtraceevent: Fix lib installation with O=
mwifiex: Fix heap overflow in mmwifiex_process_tdls_action_frame()
* netfilter: ctnetlink: netns exit must wait for callbacks
net/netfilter/nf_conntrack_netlink.c
locking/spinlock/debug: Fix various data races
USB: dummy-hcd: increase max number of devices to 32
USB: dummy-hcd: use usb_urb_dir_in instead of usb_pipein
UPSTREAM: USB: dummy-hcd: use usb_urb_dir_in instead of usb_pipein
UPSTREAM: USB: dummy-hcd: increase max number of devices to 32
UPSTREAM: USB: dummy-hcd: Fix failure to give back unlinked URBs
UPSTREAM: USB: dummy-hcd: bandwidth limits for non-bulk transfers
* BACKPORT: perf_event: Add support for LSM and SELinux checks
include/linux/lsm_hooks.h
include/linux/perf_event.h
include/linux/security.h
kernel/events/core.c
kernel/trace/trace_event_perf.c
security/security.c
security/selinux/hooks.c
security/selinux/include/classmap.h
security/selinux/include/objsec.h
ANDROID: cuttlefish_defconfig: remove 80211_HWSIM
docs: fs-verity: mention statx() support
* f2fs: support STATX_ATTR_VERITY
fs/f2fs/file.c
* ext4: support STATX_ATTR_VERITY
fs/ext4/inode.c
* statx: define STATX_ATTR_VERITY
include/linux/stat.h
include/uapi/linux/stat.h
docs: fs-verity: document first supported kernel version
* f2fs: add support for IV_INO_LBLK_64 encryption policies
fs/f2fs/super.c
* ext4: add support for IV_INO_LBLK_64 encryption policies
fs/ext4/ext4.h
fs/ext4/super.c
* fscrypt: add support for IV_INO_LBLK_64 policies
fs/crypto/crypto.c
fs/crypto/fscrypt_private.h
fs/crypto/keyring.c
fs/crypto/keysetup.c
fs/crypto/policy.c
include/linux/fscrypt.h
include/uapi/linux/fscrypt.h
* fscrypt: avoid data race on fscrypt_mode::logged_impl_name
fs/crypto/fscrypt_private.h
fs/crypto/keysetup.c
* fscrypt: zeroize fscrypt_info before freeing
fs/crypto/keysetup.c
* fscrypt: remove struct fscrypt_ctx
fs/crypto/bio.c
fs/crypto/crypto.c
fs/crypto/fscrypt_private.h
include/linux/fscrypt.h
* fscrypt: invoke crypto API for ESSIV handling
fs/crypto/crypto.c
fs/crypto/fscrypt_private.h
fs/crypto/keysetup.c
fs/crypto/keysetup_v1.c
Merge 4.14.163 into android-4.14
* Revert "BACKPORT: perf_event: Add support for LSM and SELinux checks"
include/linux/lsm_hooks.h
include/linux/perf_event.h
include/linux/security.h
kernel/events/core.c
kernel/trace/trace_event_perf.c
security/security.c
security/selinux/hooks.c
security/selinux/include/classmap.h
security/selinux/include/objsec.h
Linux 4.14.163
perf/x86/intel/bts: Fix the use of page_private()
xen/blkback: Avoid unmapping unmapped grant pages
s390/smp: fix physical to logical CPU map for SMT
* net: add annotations on hh->hh_len lockless accesses
include/net/neighbour.h
net/core/neighbour.c
net/ethernet/eth.c
arm64: dts: meson: odroid-c2: Disable usb_otg bus to avoid power failed warning
ath9k_htc: Discard undersized packets
ath9k_htc: Modify byte order for an error message
rxrpc: Fix possible NULL pointer access in ICMP handling
selftests: rtnetlink: add addresses with fixed life time
powerpc/pseries/hvconsole: Fix stack overread via udbg
* drm/mst: Fix MST sideband up-reply failure handling
drivers/gpu/drm/drm_dp_mst_topology.c
scsi: qedf: Do not retry ELS request if qedf_alloc_cmd fails
* fix compat handling of FICLONERANGE, FIDEDUPERANGE and FS_IOC_FIEMAP
fs/compat_ioctl.c
tty: serial: msm_serial: Fix lockup for sysrq and oops
dt-bindings: clock: renesas: rcar-usb2-clock-sel: Fix typo in example
media: usb: fix memory leak in af9005_identify_state
regulator: ab8500: Remove AB8505 USB regulator
media: flexcop-usb: ensure -EIO is returned on error condition
* Bluetooth: Fix memory leak in hci_connect_le_scan
net/bluetooth/hci_conn.c
* Bluetooth: delete a stray unlock
net/bluetooth/l2cap_core.c
Bluetooth: btusb: fix PM leak in error case of setup
platform/x86: pmc_atom: Add Siemens CONNECT X300 to critclk_systems DMI table
xfs: don't check for AG deadlock for realtime files in bunmapi
scsi: qla2xxx: Drop superfluous INIT_WORK of del_work
nfsd4: fix up replay_matches_cache()
* PM / devfreq: Check NULL governor in available_governors_show
drivers/devfreq/devfreq.c
* arm64: Revert support for execute-only user mappings
arch/arm64/include/asm/pgtable-prot.h
arch/arm64/include/asm/pgtable.h
arch/arm64/mm/fault.c
mm/mmap.c
ftrace: Avoid potential division by zero in function profiler
* exit: panic before exit_mm() on global init exit
kernel/exit.c
ALSA: firewire-motu: Correct a typo in the clock proc string
ALSA: cs4236: fix error return comparison of an unsigned integer
tracing: Have the histogram compare functions convert to u64 first
* tracing: Fix lock inversion in trace_event_enable_tgid_record()
kernel/trace/trace.c
kernel/trace/trace_events.c
* gpiolib: fix up emulated open drain outputs
drivers/gpio/gpiolib.c
ata: ahci_brcm: Fix AHCI resources management
ata: ahci_brcm: Allow optional reset controller to be used
ata: libahci_platform: Export again ahci_platform_<en/dis>able_phys()
* compat_ioctl: block: handle BLKREPORTZONE/BLKRESETZONE
block/compat_ioctl.c
* compat_ioctl: block: handle Persistent Reservations
block/compat_ioctl.c
* dmaengine: Fix access to uninitialized dma_slave_caps
include/linux/dmaengine.h
* locks: print unsigned ino in /proc/locks
fs/locks.c
* pstore/ram: Write new dumps to start of recycled zones
fs/pstore/ram.c
* memcg: account security cred as well to kmemcg
kernel/cred.c
* mm/zsmalloc.c: fix the migrated zspage statistics.
mm/zsmalloc.c
media: cec: avoid decrementing transmit_queue_sz if it is 0
media: cec: CEC 2.0-only bcast messages were ignored
media: pulse8-cec: fix lost cec_transmit_attempt_done() call
MIPS: Avoid VDSO ABI breakage due to global register variable
drm/sun4i: hdmi: Remove duplicate cleanup calls
ALSA: ice1724: Fix sleep-in-atomic in Infrasonic Quartet support code
* drm: limit to INT_MAX in create_blob ioctl
drivers/gpu/drm/drm_property.c
* taskstats: fix data-race
kernel/taskstats.c
xfs: fix mount failure crash on invalid iclog memory access
PM / hibernate: memory_bm_find_bit(): Tighten node optimisation
xen/balloon: fix ballooned page accounting without hotplug enabled
xen-blkback: prevent premature module unload
IB/mlx4: Follow mirror sequence of device add during device removal
s390/cpum_sf: Avoid SBD overflow condition in irq handler
s390/cpum_sf: Adjust sampling interval to avoid hitting sample limits
md: raid1: check rdev before reference in raid1_sync_request func
* net: make socket read/write_iter() honor IOCB_NOWAIT
net/socket.c
usb: gadget: fix wrong endpoint desc
drm/nouveau: Move the declaration of struct nouveau_conn_atom up a bit
scsi: libsas: stop discovering if oob mode is disconnected
scsi: iscsi: qla4xxx: fix double free in probe
scsi: qla2xxx: Don't call qlt_async_event twice
scsi: lpfc: Fix memory leak on lpfc_bsg_write_ebuf_set func
rxe: correctly calculate iCRC for unaligned payloads
RDMA/cma: add missed unregister_pernet_subsys in init failure
* PM / devfreq: Don't fail devfreq_dev_release if not in list
drivers/devfreq/devfreq.c
iio: adc: max9611: Fix too short conversion time delay
nvme_fc: add module to ops template to allow module references
* UPSTREAM: selinux: sidtab reverse lookup hash table
security/selinux/Kconfig
security/selinux/include/security.h
security/selinux/selinuxfs.c
security/selinux/ss/context.h
security/selinux/ss/policydb.c
security/selinux/ss/services.c
security/selinux/ss/services.h
security/selinux/ss/sidtab.c
security/selinux/ss/sidtab.h
* UPSTREAM: selinux: avoid atomic_t usage in sidtab
security/selinux/ss/sidtab.c
security/selinux/ss/sidtab.h
* UPSTREAM: selinux: check sidtab limit before adding a new entry
security/selinux/ss/sidtab.c
* UPSTREAM: selinux: fix context string corruption in convert_context()
security/selinux/ss/services.c
* BACKPORT: selinux: overhaul sidtab to fix bug and improve performance
security/selinux/ss/mls.c
security/selinux/ss/mls.h
security/selinux/ss/services.c
security/selinux/ss/sidtab.c
security/selinux/ss/sidtab.h
* UPSTREAM: selinux: refactor mls_context_to_sid() and make it stricter
security/selinux/ss/mls.c
security/selinux/ss/mls.h
security/selinux/ss/services.c
* UPSTREAM: selinux: Cleanup printk logging in services
security/selinux/ss/services.c
* UPSTREAM: scsi: ilog2: create truly constant version for sparse
include/linux/log2.h
* BACKPORT: selinux: use separate table for initial SID lookup
security/selinux/ss/policydb.c
security/selinux/ss/services.c
security/selinux/ss/services.h
security/selinux/ss/sidtab.c
security/selinux/ss/sidtab.h
* UPSTREAM: selinux: make "selinux_policycap_names[]" const char *
security/selinux/include/security.h
security/selinux/ss/services.c
* UPSTREAM: selinux: refactor sidtab conversion
security/selinux/ss/services.c
security/selinux/ss/sidtab.c
security/selinux/ss/sidtab.h
* BACKPORT: selinux: wrap AVC state
security/selinux/avc.c
security/selinux/hooks.c
security/selinux/include/avc.h
security/selinux/include/avc_ss.h
security/selinux/include/security.h
security/selinux/netlabel.c
security/selinux/selinuxfs.c
security/selinux/ss/services.c
* UPSTREAM: selinux: wrap selinuxfs state
security/selinux/selinuxfs.c
* UPSTREAM: selinux: rename the {is,set}_enforcing() functions
security/selinux/avc.c
security/selinux/hooks.c
security/selinux/include/security.h
security/selinux/selinuxfs.c
security/selinux/ss/services.c
security/selinux/ss/status.c
* BACKPORT: selinux: wrap global selinux state
security/selinux/avc.c
security/selinux/hooks.c
security/selinux/ibpkey.c
security/selinux/include/avc.h
security/selinux/include/avc_ss.h
security/selinux/include/conditional.h
security/selinux/include/objsec.h
security/selinux/include/security.h
security/selinux/netif.c
security/selinux/netlabel.c
security/selinux/netnode.c
security/selinux/netport.c
security/selinux/selinuxfs.c
security/selinux/ss/avtab.c
security/selinux/ss/avtab.h
security/selinux/ss/ebitmap.c
security/selinux/ss/ebitmap.h
security/selinux/ss/hashtab.c
security/selinux/ss/hashtab.h
security/selinux/ss/mls.c
security/selinux/ss/mls.h
security/selinux/ss/services.c
security/selinux/ss/services.h
security/selinux/ss/status.c
* UPSTREAM: selinux: Use kmem_cache for hashtab_node
security/selinux/ss/hashtab.c
security/selinux/ss/hashtab.h
security/selinux/ss/services.c
* BACKPORT: perf_event: Add support for LSM and SELinux checks
include/linux/lsm_hooks.h
include/linux/perf_event.h
include/linux/security.h
kernel/events/core.c
kernel/trace/trace_event_perf.c
security/security.c
security/selinux/hooks.c
security/selinux/include/classmap.h
security/selinux/include/objsec.h
* UPSTREAM: binder: Add binder_proc logging to binderfs
drivers/android/binder.c
drivers/android/binder_internal.h
* UPSTREAM: binder: Make transaction_log available in binderfs
drivers/android/binder.c
drivers/android/binder_internal.h
* UPSTREAM: binder: Add stats, state and transactions files
drivers/android/binder.c
drivers/android/binder_internal.h
UPSTREAM: binder: add a mount option to show global stats
UPSTREAM: binder: Validate the default binderfs device names.
* UPSTREAM: binder: Add default binder devices through binderfs when configured
drivers/android/binder.c
drivers/android/binder_internal.h
* UPSTREAM: binder: fix CONFIG_ANDROID_BINDER_DEVICES
drivers/android/binder.c
* UPSTREAM: android: binder: use kstrdup instead of open-coding it
drivers/android/binder.c
* UPSTREAM: binderfs: remove separate device_initcall()
drivers/android/binder.c
drivers/android/binder_internal.h
BACKPORT: binderfs: respect limit on binder control creation
UPSTREAM: binderfs: switch from d_add() to d_instantiate()
UPSTREAM: binderfs: drop lock in binderfs_binder_ctl_create
UPSTREAM: binderfs: kill_litter_super() before cleanup
UPSTREAM: binderfs: rework binderfs_binder_device_create()
UPSTREAM: binderfs: rework binderfs_fill_super()
UPSTREAM: binderfs: prevent renaming the control dentry
UPSTREAM: binderfs: remove outdated comment
UPSTREAM: binderfs: fix error return code in binderfs_fill_super()
UPSTREAM: binderfs: handle !CONFIG_IPC_NS builds
BACKPORT: binderfs: reserve devices for initial mount
UPSTREAM: binderfs: rename header to binderfs.h
BACKPORT: binderfs: implement "max" mount option
UPSTREAM: binderfs: make each binderfs mount a new instance
UPSTREAM: binderfs: remove wrong kern_mount() call
* BACKPORT: binder: implement binderfs
drivers/android/Kconfig
drivers/android/Makefile
drivers/android/binder.c
drivers/android/binder_internal.h
include/uapi/linux/magic.h
* UPSTREAM: binder: remove BINDER_DEBUG_ENTRY()
drivers/android/binder.c
* UPSTREAM: seq_file: Introduce DEFINE_SHOW_ATTRIBUTE() helper macro
include/linux/seq_file.h
* UPSTREAM: exit: panic before exit_mm() on global init exit
kernel/exit.c
Merge 4.14.162 into android-4.14
Linux 4.14.162
spi: fsl: use platform_get_irq() instead of of_irq_to_resource()
gtp: avoid zero size hashtable
gtp: fix an use-after-free in ipv4_pdp_find()
gtp: fix wrong condition in gtp_genl_dump_pdp()
* tcp: do not send empty skb from tcp_write_xmit()
net/ipv4/tcp_output.c
* tcp/dccp: fix possible race __inet_lookup_established()
include/linux/rculist_nulls.h
include/net/inet_hashtables.h
include/net/sock.h
net/ipv4/inet_diag.c
net/ipv4/inet_hashtables.c
net/ipv4/tcp_ipv4.c
net/ipv6/inet6_hashtables.c
gtp: do not allow adding duplicate tid and ms_addr pdp context
* sit: do not confirm neighbor when do pmtu update
net/ipv6/sit.c
* vti: do not confirm neighbor when do pmtu update
net/ipv4/ip_vti.c
net/ipv6/ip6_vti.c
* tunnel: do not confirm neighbor when do pmtu update
net/ipv4/ip_tunnel.c
net/ipv6/ip6_tunnel.c
* net/dst: add new function skb_dst_update_pmtu_no_confirm
include/net/dst.h
gtp: do not confirm neighbor when do pmtu update
ip6_gre: do not confirm neighbor when do pmtu update
* net: add bool confirm_neigh parameter for dst_ops.update_pmtu
include/net/dst.h
include/net/dst_ops.h
net/ipv4/inet_connection_sock.c
net/ipv4/route.c
net/ipv4/xfrm4_policy.c
net/ipv6/inet6_connection_sock.c
net/ipv6/route.c
net/ipv6/xfrm6_policy.c
vhost/vsock: accept only packets with the right dst_cid
* udp: fix integer overflow while computing available space in sk_rcvbuf
net/ipv4/udp.c
* ptp: fix the race between the release of ptp_clock and cdev
include/linux/posix-clock.h
kernel/time/posix-clock.c
net/mlxfw: Fix out-of-memory error in mfa2 flash burning
net: ena: fix napi handler misbehavior when the napi budget is zero
pinctrl: baytrail: Really serialize all register accesses
tty/serial: atmel: fix out of range clock divider handling
spi: fsl: don't map irq during probe
* hrtimer: Annotate lockless access to timer->state
include/linux/hrtimer.h
kernel/time/hrtimer.c
* net: icmp: fix data-race in cmp_global_allow()
net/ipv4/icmp.c
* net: add a READ_ONCE() in skb_peek_tail()
include/linux/skbuff.h
* inetpeer: fix data-race in inet_putpeer / inet_putpeer
net/ipv4/inetpeer.c
netfilter: bridge: make sure to pull arp header in br_nf_forward_arp()
6pack,mkiss: fix possible deadlock
* netfilter: ebtables: compat: reject all padding in matches/watchers
net/bridge/netfilter/ebtables.c
* filldir[64]: remove WARN_ON_ONCE() for bad directory entries
fs/readdir.c
* Make filldir[64]() verify the directory entry filename is valid
fs/readdir.c
perf strbuf: Remove redundant va_end() in strbuf_addv()
* bonding: fix active-backup transition after link failure
drivers/net/bonding/bond_main.c
ALSA: hda - Downgrade error message for single-cmd fallback
* netfilter: nf_queue: enqueue skbs with NULL dst
net/netfilter/nf_queue.c
* net, sysctl: Fix compiler warning when only cBPF is present
net/core/sysctl_net_core.c
x86/mce: Fix possibly incorrect severity calculation on AMD
userfaultfd: require CAP_SYS_PTRACE for UFFD_FEATURE_EVENT_FORK
* kernel: sysctl: make drop_caches write-only
kernel/sysctl.c
ocfs2: fix passing zero to 'PTR_ERR' warning
s390/cpum_sf: Check for SDBT and SDB consistency
* libfdt: define INT32_MAX and UINT32_MAX in libfdt_env.h
include/linux/libfdt_env.h
s390/zcrypt: handle new reply code FILTERED_BY_HYPERVISOR
perf regs: Make perf_reg_name() return "unknown" instead of NULL
perf script: Fix brstackinsn for AUXTRACE
cdrom: respect device capabilities during opening action
* scripts/kallsyms: fix definitely-lost memory leak
scripts/kallsyms.c
apparmor: fix unsigned len comparison with less than zero
gpio: mpc8xxx: Don't overwrite default irq_set_type callback
scsi: target: iscsi: Wait for all commands to finish before freeing a session
scsi: iscsi: Don't send data to unbound connection
scsi: NCR5380: Add disconnect_mask module parameter
scsi: scsi_debug: num_tgts must be >= 0
* scsi: ufs: Fix error handing during hibern8 enter
drivers/scsi/ufs/ufshcd.c
scsi: pm80xx: Fix for SATA device discovery
* HID: Improve Windows Precision Touchpad detection.
drivers/hid/hid-core.c
libnvdimm/btt: fix variable 'rc' set but not used
HID: logitech-hidpp: Silence intermittent get_battery_capacity errors
bcache: at least try to shrink 1 node in bch_mca_scan()
clk: pxa: fix one of the pxa RTC clocks
scsi: atari_scsi: sun3_scsi: Set sg_tablesize to 1 instead of SG_NONE
powerpc/security: Fix wrong message when RFI Flush is disable
powerpc/pseries/cmm: Implement release() function for sysfs device
* scsi: ufs: fix potential bug which ends in system hang
drivers/scsi/ufs/ufshcd.c
scsi: lpfc: fix: Coverity: lpfc_cmpl_els_rsp(): Null pointer dereferences
* fs/quota: handle overflows of sysctl fs.quota.* and report as unsigned long
fs/quota/dquot.c
include/linux/quota.h
irqchip: ingenic: Error out if IRQ domain creation failed
irqchip/irq-bcm7038-l1: Enable parent IRQ if necessary
* clk: qcom: Allow constant ratio freq tables for rcg
drivers/clk/qcom/clk-rcg2.c
drivers/clk/qcom/common.c
* f2fs: fix to update dir's i_pino during cross_rename
fs/f2fs/namei.c
scsi: lpfc: Fix duplicate unreg_rpi error in port offline flow
* scsi: tracing: Fix handling of TRANSFER LENGTH == 0 for READ(6) and WRITE(6)
drivers/scsi/scsi_trace.c
* jbd2: Fix statistics for the number of logged blocks
fs/jbd2/commit.c
* ext4: update direct I/O read lock pattern for IOCB_NOWAIT
fs/ext4/inode.c
powerpc/book3s64/hash: Add cond_resched to avoid soft lockup warning
powerpc/security/book3s64: Report L1TF status in sysfs
clocksource/drivers/asm9260: Add a check for of_clk_get
dma-debug: add a schedule point in debug_dma_dump_mappings()
powerpc/tools: Don't quote $objdump in scripts
powerpc/pseries: Don't fail hash page table insert for bolted mapping
powerpc/pseries: Mark accumulate_stolen_time() as notrace
scsi: csiostor: Don't enable IRQs too early
scsi: lpfc: Fix SLI3 hba in loop mode not discovering devices
scsi: target: compare full CHAP_A Algorithm strings
iommu/tegra-smmu: Fix page tables in > 4 GiB memory
Input: atmel_mxt_ts - disable IRQ across suspend
scsi: lpfc: Fix locking on mailbox command completion
scsi: mpt3sas: Fix clear pending bit in ioctl status
scsi: lpfc: Fix discovery failures when target device connectivity bounces
* ANDROID: serdev: Fix platform device support
drivers/tty/serdev/core.c
Merge 4.14.161 into android-4.14
Linux 4.14.161
perf probe: Fix to show function entry line as probe-able
nbd: fix shutdown and recv work deadlock v2
mmc: sdhci-of-esdhc: fix P2020 errata handling
mmc: sdhci: Update the tuning failed messages to pr_debug level
mmc: sdhci-of-esdhc: Revert "mmc: sdhci-of-esdhc: add erratum A-009204 support"
powerpc/irq: fix stack overflow verification
x86/MCE/AMD: Allow Reserved types to be overwritten in smca_banks[]
x86/MCE/AMD: Do not use rdmsr_safe_on_cpu() in smca_configure()
KVM: arm64: Ensure 'params' is initialised when looking up sys register
* ext4: unlock on error in ext4_expand_extra_isize()
fs/ext4/inode.c
* ext4: check for directory entries too close to block end
fs/ext4/dir.c
* ext4: fix ext4_empty_dir() for directories with holes
fs/ext4/namei.c
staging: comedi: gsc_hpdi: check dma_alloc_coherent() return value
platform/x86: hp-wmi: Make buffer for HPWMI_FEATURE2_QUERY 128 bytes
intel_th: pci: Add Elkhart Lake SOC support
intel_th: pci: Add Comet Lake PCH-V support
USB: EHCI: Do not return -EPIPE when hub is disconnected
usbip: Fix error path of vhci_recv_ret_submit()
usbip: Fix receive error in vhci-hcd when using scatter-gather
btrfs: abort transaction after failed inode updates in create_subvol
btrfs: return error pointer from alloc_test_extent_buffer
s390/ftrace: fix endless recursion in function_graph tracer
* usb: xhci: Fix build warning seen with CONFIG_PM=n
drivers/usb/host/xhci-pci.c
mmc: mediatek: fix CMD_TA to 2 for MT8173 HS200/HS400 mode
Revert "mmc: sdhci: Fix incorrect switch to HS mode"
btrfs: don't prematurely free work in scrub_missing_raid56_worker()
btrfs: don't prematurely free work in reada_start_machine_worker()
* net: phy: initialise phydev speed and duplex sanely
drivers/net/phy/phy_device.c
mips: fix build when "48 bits virtual memory" is enabled
libtraceevent: Fix memory leakage in copy_filter_type
crypto: vmx - Avoid weird build failures
mac80211: consider QoS Null frames for STA_NULLFUNC_ACKED
crypto: sun4i-ss - Fix 64-bit size_t warnings on sun4i-ss-hash.c
crypto: sun4i-ss - Fix 64-bit size_t warnings
fbtft: Make sure string is NULL terminated
iwlwifi: check kasprintf() return value
x86/insn: Add some Intel instructions to the opcode map
spi: st-ssc4: add missed pm_runtime_disable
btrfs: don't prematurely free work in run_ordered_work()
btrfs: don't prematurely free work in end_workqueue_fn()
mmc: tmio: Add MMC_CAP_ERASE to allow erase/discard/trim requests
crypto: virtio - deal with unsupported input sizes
spi: tegra20-slink: add missed clk_unprepare
iwlwifi: mvm: fix unaligned read of rx_pkt_status
x86/crash: Add a forward declaration of struct kimage
* cpufreq: Register drivers only after CPU devices have been registered
drivers/cpufreq/cpufreq.c
parport: load lowlevel driver if ports not found
s390/disassembler: don't hide instruction addresses
ASoC: Intel: kbl_rt5663_rt5514_max98927: Add dmic format constraint
ASoC: rt5677: Mark reg RT5677_PWR_ANLG2 as volatile
spi: pxa2xx: Add missed security checks
EDAC/ghes: Fix grain calculation
media: si470x-i2c: add missed operations in remove
media: pvrusb2: Fix oops on tear-down when radio support is not present
fsi: core: Fix small accesses and unaligned offsets via sysfs
ath10k: fix get invalid tx rate for Mesh metric
perf probe: Filter out instances except for inlined subroutine and subprogram
perf probe: Skip end-of-sequence and non statement lines
perf probe: Fix to show calling lines of inlined functions
perf probe: Return a better scope DIE if there is no best scope
perf probe: Skip overlapped location on searching variables
perf parse: If pmu configuration fails free terms
drm/amdgpu: fix potential double drop fence reference
perf probe: Fix to probe a function which has no entry pc
libsubcmd: Use -O0 with DEBUG=1
perf probe: Fix to show inlined function callsite without entry_pc
perf probe: Fix to show ranges of variables in functions without entry_pc
perf probe: Fix to probe an inline function which has no entry pc
perf probe: Walk function lines in lexical blocks
perf probe: Fix to list probe event with correct line number
perf probe: Fix to find range-only function instance
rtlwifi: fix memory leak in rtl92c_set_fw_rsvdpagepkt()
* ALSA: timer: Limit max amount of slave instances
sound/core/timer.c
spi: img-spfi: fix potential double release
bnx2x: Fix PF-VF communication over multi-cos queues.
* rfkill: allocate static minor
include/linux/miscdevice.h
net/rfkill/core.c
* media: v4l2-core: fix touch support in v4l_g_fmt
drivers/media/v4l2-core/v4l2-ioctl.c
media: rcar_drif: fix a memory disclosure
ixgbe: protect TX timestamping from API misuse
pinctrl: amd: fix __iomem annotation in amd_gpio_irq_handler()
* Bluetooth: Fix advertising duplicated flags
net/bluetooth/hci_request.c
iio: dln2-adc: fix iio_triggered_buffer_postenable() position
pinctrl: sh-pfc: sh7734: Fix duplicate TCLK1_B
* loop: fix no-unmap write-zeroes request behavior
drivers/block/loop.c
libata: Ensure ata_port probe has completed before detach
s390/mm: add mm_pxd_folded() checks to pxd_free()
s390/time: ensure get_clock_monotonic() returns monotonic values
phy: qcom-usb-hs: Fix extcon double register after power cycle
* net: dsa: LAN9303: select REGMAP when LAN9303 enable
drivers/net/dsa/Kconfig
gpu: host1x: Allocate gather copy for host1x
RDMA/qedr: Fix memory leak in user qp and mr
net: phy: dp83867: enable robust auto-mdix
* arm64: psci: Reduce the waiting time for cpu_psci_cpu_kill()
arch/arm64/kernel/psci.c
x86/ioapic: Prevent inconsistent state when moving an interrupt
rtl8xxxu: fix RTL8723BU connection failure issue after warm reboot
drm/gma500: fix memory disclosures due to uninitialized bytes
x86/mce: Lower throttling MCE messages' priority to warning
* Bluetooth: hci_core: fix init for HCI_USER_CHANNEL
net/bluetooth/hci_core.c
* Bluetooth: missed cpu_to_le16 conversion in hci_init4_req
net/bluetooth/hci_core.c
iio: adc: max1027: Reset the device at probe time
* usb: usbfs: Suppress problematic bind and unbind uevents.
drivers/usb/core/devio.c
perf report: Add warning when libunwind not compiled in
perf test: Report failure for mmap events
drm/bridge: dw-hdmi: Restore audio when setting a mode
x86/mm: Use the correct function type for native_set_fixmap()
extcon: sm5502: Reset registers during initialization
media: ti-vpe: vpe: fix a v4l2-compliance failure about invalid sizeimage
media: ti-vpe: vpe: ensure buffers are cleaned up properly in abort cases
media: ti-vpe: vpe: fix a v4l2-compliance failure causing a kernel panic
media: ti-vpe: vpe: Make sure YUYV is set as default format
media: ti-vpe: vpe: fix a v4l2-compliance failure about frame sequence number
media: ti-vpe: vpe: fix a v4l2-compliance warning about invalid pixel format
media: ti-vpe: vpe: Fix Motion Vector vpdma stride
media: cx88: Fix some error handling path in 'cx8800_initdev()'
mwifiex: pcie: Fix memory leak in mwifiex_pcie_init_evt_ring
block: Fix writeback throttling W=1 compiler warnings
samples: pktgen: fix proc_cmd command result check logic
drm/bridge: dw-hdmi: Refuse DDC/CI transfers on the internal I2C controller
media: cec-funcs.h: add status_req checks
media: flexcop-usb: fix NULL-ptr deref in flexcop_usb_transfer_init()
regulator: max8907: Fix the usage of uninitialized variable in max8907_regulator_probe()
hwrng: omap3-rom - Call clk_disable_unprepare() on exit only if not idled
usb: renesas_usbhs: add suspend event support in gadget mode
selftests/bpf: Correct path to include msg + path
* pinctrl: devicetree: Avoid taking direct reference to device name string
drivers/pinctrl/devicetree.c
ath10k: fix offchannel tx failure when no ath10k_mac_tx_frm_has_freq
media: venus: core: Fix msm8996 frequency table
tools/power/cpupower: Fix initializer override in hsw_ext_cstates
media: ov6650: Fix stored crop rectangle not in sync with hardware
media: ov6650: Fix stored frame format not in sync with hardware
media: i2c: ov2659: Fix missing 720p register config
media: ov6650: Fix crop rectangle alignment not passed back
media: i2c: ov2659: fix s_stream return value
media: am437x-vpfe: Setting STD to current value is not an error
IB/iser: bound protection_sg size by data_sg size
libertas: fix a potential NULL pointer dereference
rtlwifi: prevent memory leak in rtl_usb_probe
staging: rtl8188eu: fix possible null dereference
staging: rtl8192u: fix multiple memory leaks on error path
* spi: Add call to spi_slave_abort() function when spidev driver is released
drivers/spi/spidev.c
iio: light: bh1750: Resolve compiler warning and make code more readable
drm/bridge: analogix-anx78xx: silence -EPROBE_DEFER warnings
* drm: mst: Fix query_payload ack reply struct
include/drm/drm_dp_mst_helper.h
ALSA: hda/ca0132 - Avoid endless loop
ALSA: hda/ca0132 - Keep power on during processing DSP response
* ALSA: pcm: Avoid possible info leaks from PCM stream buffers
sound/core/pcm_native.c
Btrfs: fix removal logic of the tree mod log that leads to use-after-free issues
btrfs: handle ENOENT in btrfs_uuid_tree_iterate
btrfs: do not leak reloc root if we fail to read the fs root
btrfs: skip log replay on orphaned roots
btrfs: do not call synchronize_srcu() in inode_tree_del
btrfs: don't double lock the subvol_sem for rename exchange
sctp: fully initialize v4 addr in some functions
qede: Fix multicast mac configuration
net: usb: lan78xx: Fix suspend/resume PHY register access error
net: qlogic: Fix error paths in ql_alloc_large_buffers()
net: nfc: nci: fix a possible sleep-in-atomic-context bug in nci_uart_tty_receive()
net: hisilicon: Fix a BUG trigered by wrong bytes_compl
* net: dst: Force 4-byte alignment of dst_metrics
include/net/dst.h
* mod_devicetable: fix PHY module format
include/linux/mod_devicetable.h
fjes: fix missed check in fjes_acpi_add
* af_packet: set defaule value for tmo
net/packet/af_packet.c
ANDROID: cuttlefish_defconfig: Disable TRANSPARENT_HUGEPAGE
Change-Id: If5fe1dee627f430a68a27040c29f1015fd7c5ed1
Signed-off-by: lucaswei <lucaswei@google.com>
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Greg Kroah-Hartman
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c2bd4f8f0c |
Merge 4.14.162 into android-4.14
Changes in 4.14.162 scsi: lpfc: Fix discovery failures when target device connectivity bounces scsi: mpt3sas: Fix clear pending bit in ioctl status scsi: lpfc: Fix locking on mailbox command completion Input: atmel_mxt_ts - disable IRQ across suspend iommu/tegra-smmu: Fix page tables in > 4 GiB memory scsi: target: compare full CHAP_A Algorithm strings scsi: lpfc: Fix SLI3 hba in loop mode not discovering devices scsi: csiostor: Don't enable IRQs too early powerpc/pseries: Mark accumulate_stolen_time() as notrace powerpc/pseries: Don't fail hash page table insert for bolted mapping powerpc/tools: Don't quote $objdump in scripts dma-debug: add a schedule point in debug_dma_dump_mappings() clocksource/drivers/asm9260: Add a check for of_clk_get powerpc/security/book3s64: Report L1TF status in sysfs powerpc/book3s64/hash: Add cond_resched to avoid soft lockup warning ext4: update direct I/O read lock pattern for IOCB_NOWAIT jbd2: Fix statistics for the number of logged blocks scsi: tracing: Fix handling of TRANSFER LENGTH == 0 for READ(6) and WRITE(6) scsi: lpfc: Fix duplicate unreg_rpi error in port offline flow f2fs: fix to update dir's i_pino during cross_rename clk: qcom: Allow constant ratio freq tables for rcg irqchip/irq-bcm7038-l1: Enable parent IRQ if necessary irqchip: ingenic: Error out if IRQ domain creation failed fs/quota: handle overflows of sysctl fs.quota.* and report as unsigned long scsi: lpfc: fix: Coverity: lpfc_cmpl_els_rsp(): Null pointer dereferences scsi: ufs: fix potential bug which ends in system hang powerpc/pseries/cmm: Implement release() function for sysfs device powerpc/security: Fix wrong message when RFI Flush is disable scsi: atari_scsi: sun3_scsi: Set sg_tablesize to 1 instead of SG_NONE clk: pxa: fix one of the pxa RTC clocks bcache: at least try to shrink 1 node in bch_mca_scan() HID: logitech-hidpp: Silence intermittent get_battery_capacity errors libnvdimm/btt: fix variable 'rc' set but not used HID: Improve Windows Precision Touchpad detection. scsi: pm80xx: Fix for SATA device discovery scsi: ufs: Fix error handing during hibern8 enter scsi: scsi_debug: num_tgts must be >= 0 scsi: NCR5380: Add disconnect_mask module parameter scsi: iscsi: Don't send data to unbound connection scsi: target: iscsi: Wait for all commands to finish before freeing a session gpio: mpc8xxx: Don't overwrite default irq_set_type callback apparmor: fix unsigned len comparison with less than zero scripts/kallsyms: fix definitely-lost memory leak cdrom: respect device capabilities during opening action perf script: Fix brstackinsn for AUXTRACE perf regs: Make perf_reg_name() return "unknown" instead of NULL s390/zcrypt: handle new reply code FILTERED_BY_HYPERVISOR libfdt: define INT32_MAX and UINT32_MAX in libfdt_env.h s390/cpum_sf: Check for SDBT and SDB consistency ocfs2: fix passing zero to 'PTR_ERR' warning kernel: sysctl: make drop_caches write-only userfaultfd: require CAP_SYS_PTRACE for UFFD_FEATURE_EVENT_FORK x86/mce: Fix possibly incorrect severity calculation on AMD net, sysctl: Fix compiler warning when only cBPF is present netfilter: nf_queue: enqueue skbs with NULL dst ALSA: hda - Downgrade error message for single-cmd fallback bonding: fix active-backup transition after link failure perf strbuf: Remove redundant va_end() in strbuf_addv() Make filldir[64]() verify the directory entry filename is valid filldir[64]: remove WARN_ON_ONCE() for bad directory entries netfilter: ebtables: compat: reject all padding in matches/watchers 6pack,mkiss: fix possible deadlock netfilter: bridge: make sure to pull arp header in br_nf_forward_arp() inetpeer: fix data-race in inet_putpeer / inet_putpeer net: add a READ_ONCE() in skb_peek_tail() net: icmp: fix data-race in cmp_global_allow() hrtimer: Annotate lockless access to timer->state spi: fsl: don't map irq during probe tty/serial: atmel: fix out of range clock divider handling pinctrl: baytrail: Really serialize all register accesses net: ena: fix napi handler misbehavior when the napi budget is zero net/mlxfw: Fix out-of-memory error in mfa2 flash burning ptp: fix the race between the release of ptp_clock and cdev udp: fix integer overflow while computing available space in sk_rcvbuf vhost/vsock: accept only packets with the right dst_cid net: add bool confirm_neigh parameter for dst_ops.update_pmtu ip6_gre: do not confirm neighbor when do pmtu update gtp: do not confirm neighbor when do pmtu update net/dst: add new function skb_dst_update_pmtu_no_confirm tunnel: do not confirm neighbor when do pmtu update vti: do not confirm neighbor when do pmtu update sit: do not confirm neighbor when do pmtu update gtp: do not allow adding duplicate tid and ms_addr pdp context tcp/dccp: fix possible race __inet_lookup_established() tcp: do not send empty skb from tcp_write_xmit() gtp: fix wrong condition in gtp_genl_dump_pdp() gtp: fix an use-after-free in ipv4_pdp_find() gtp: avoid zero size hashtable spi: fsl: use platform_get_irq() instead of of_irq_to_resource() Linux 4.14.162 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> |
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Eric Dumazet
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a51afeedc6 |
hrtimer: Annotate lockless access to timer->state
commit 56144737e67329c9aaed15f942d46a6302e2e3d8 upstream. syzbot reported various data-race caused by hrtimer_is_queued() reading timer->state. A READ_ONCE() is required there to silence the warning. Also add the corresponding WRITE_ONCE() when timer->state is set. In remove_hrtimer() the hrtimer_is_queued() helper is open coded to avoid loading timer->state twice. KCSAN reported these cases: BUG: KCSAN: data-race in __remove_hrtimer / tcp_pacing_check write to 0xffff8880b2a7d388 of 1 bytes by interrupt on cpu 0: __remove_hrtimer+0x52/0x130 kernel/time/hrtimer.c:991 __run_hrtimer kernel/time/hrtimer.c:1496 [inline] __hrtimer_run_queues+0x250/0x600 kernel/time/hrtimer.c:1576 hrtimer_run_softirq+0x10e/0x150 kernel/time/hrtimer.c:1593 __do_softirq+0x115/0x33f kernel/softirq.c:292 run_ksoftirqd+0x46/0x60 kernel/softirq.c:603 smpboot_thread_fn+0x37d/0x4a0 kernel/smpboot.c:165 kthread+0x1d4/0x200 drivers/block/aoe/aoecmd.c:1253 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 read to 0xffff8880b2a7d388 of 1 bytes by task 24652 on cpu 1: tcp_pacing_check net/ipv4/tcp_output.c:2235 [inline] tcp_pacing_check+0xba/0x130 net/ipv4/tcp_output.c:2225 tcp_xmit_retransmit_queue+0x32c/0x5a0 net/ipv4/tcp_output.c:3044 tcp_xmit_recovery+0x7c/0x120 net/ipv4/tcp_input.c:3558 tcp_ack+0x17b6/0x3170 net/ipv4/tcp_input.c:3717 tcp_rcv_established+0x37e/0xf50 net/ipv4/tcp_input.c:5696 tcp_v4_do_rcv+0x381/0x4e0 net/ipv4/tcp_ipv4.c:1561 sk_backlog_rcv include/net/sock.h:945 [inline] __release_sock+0x135/0x1e0 net/core/sock.c:2435 release_sock+0x61/0x160 net/core/sock.c:2951 sk_stream_wait_memory+0x3d7/0x7c0 net/core/stream.c:145 tcp_sendmsg_locked+0xb47/0x1f30 net/ipv4/tcp.c:1393 tcp_sendmsg+0x39/0x60 net/ipv4/tcp.c:1434 inet_sendmsg+0x6d/0x90 net/ipv4/af_inet.c:807 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0x9f/0xc0 net/socket.c:657 BUG: KCSAN: data-race in __remove_hrtimer / __tcp_ack_snd_check write to 0xffff8880a3a65588 of 1 bytes by interrupt on cpu 0: __remove_hrtimer+0x52/0x130 kernel/time/hrtimer.c:991 __run_hrtimer kernel/time/hrtimer.c:1496 [inline] __hrtimer_run_queues+0x250/0x600 kernel/time/hrtimer.c:1576 hrtimer_run_softirq+0x10e/0x150 kernel/time/hrtimer.c:1593 __do_softirq+0x115/0x33f kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0xbb/0xe0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0xe6/0x280 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830 read to 0xffff8880a3a65588 of 1 bytes by task 22891 on cpu 1: __tcp_ack_snd_check+0x415/0x4f0 net/ipv4/tcp_input.c:5265 tcp_ack_snd_check net/ipv4/tcp_input.c:5287 [inline] tcp_rcv_established+0x750/0xf50 net/ipv4/tcp_input.c:5708 tcp_v4_do_rcv+0x381/0x4e0 net/ipv4/tcp_ipv4.c:1561 sk_backlog_rcv include/net/sock.h:945 [inline] __release_sock+0x135/0x1e0 net/core/sock.c:2435 release_sock+0x61/0x160 net/core/sock.c:2951 sk_stream_wait_memory+0x3d7/0x7c0 net/core/stream.c:145 tcp_sendmsg_locked+0xb47/0x1f30 net/ipv4/tcp.c:1393 tcp_sendmsg+0x39/0x60 net/ipv4/tcp.c:1434 inet_sendmsg+0x6d/0x90 net/ipv4/af_inet.c:807 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0x9f/0xc0 net/socket.c:657 __sys_sendto+0x21f/0x320 net/socket.c:1952 __do_sys_sendto net/socket.c:1964 [inline] __se_sys_sendto net/socket.c:1960 [inline] __x64_sys_sendto+0x89/0xb0 net/socket.c:1960 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 24652 Comm: syz-executor.3 Not tainted 5.4.0-rc3+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ tglx: Added comments ] Reported-by: syzbot <syzkaller@googlegroups.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/20191106174804.74723-1-edumazet@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Prasad Sodagudi
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a3baaaf00f |
Revert "cpuidle: Fix cpu frequent exits from low power mode"
This reverts 'commit
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Rafael J. Wysocki
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6277dd586f |
BACKPORT: time: hrtimer: Introduce hrtimer_next_event_without()
The next set of changes will need to compute the time to the next hrtimer event over all hrtimers except for the scheduler tick one. To that end introduce a new helper function, hrtimer_next_event_without(), for computing the time until the next hrtimer event over all timers except for one and modify the underlying code in __hrtimer_next_event_base() to prepare it for being called by that new function. No intentional code behavior changes. Cherry-picked from a59855cd8c613ba4bb95147f6176360d95f75e60 - Fixed conflict with tick_nohz_stopped_cpu not appearing in the chunk context. Trivial fix. Change-Id: I0dae9e08e19559efae9697800738c5522ab5933f Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Frederic Weisbecker <frederic@kernel.org> Cc: Leo Yan <leo.yan@linaro.org> Cc: Todd Kjos <tkjos@google.com> Cc: Joel Fernandes <joelaf@google.com> Cc: Paven Kondati <pkondeti@qti.qualcomm.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> |
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Viresh Kumar
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a67f648836 |
hrtimer: create hrtimer_quiesce_cpu() to isolate CPU from hrtimers
To isolate CPUs (isolate from hrtimers) from sysfs using cpusets, we need some support from the hrtimer core. i.e. A routine hrtimer_quiesce_cpu() which would migrate away all the unpinned hrtimers, but shouldn't touch the pinned ones. This patch creates this routine. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> [forward port to 3.18] Signed-off-by: Santosh Shukla <santosh.shukla@linaro.org> [ohaugan@codeaurora.org: Port to 4.4] Git-commit: d4d50a0ddc35e58ee95137ba4d14e74fea8b682f Git-repo: git://git.linaro.org/people/mike.holmes/santosh.shukla/lng-isol.git Signed-off-by: Olav Haugan <ohaugan@codeaurora.org> [rameezmustafa@codeaurora.org: Port to msm-4.9] Signed-off-by: Syed Rameez Mustafa <rameezmustafa@codeaurora.org> Change-Id: Icf93622bdeed9c6c28eb1aca1637bc5b9522a533 Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org> |
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Viresh Kumar
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06d4745936 |
hrtimer: update timer->state with 'pinned' information
'Pinned' information would be required in migrate_hrtimers() now, as we can migrate non-pinned timers away without a hotplug (i.e. with cpuset.quiesce). And so we may need to identify pinned timers now, as we can't migrate them. This patch reuses the timer->state variable for setting this flag as there were enough number of free bits available in this variable. And there is no point increasing size of this struct by adding another field. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> [forward port to 3.18] Signed-off-by: Santosh Shukla <santosh.shukla@linaro.org> [ohaugan@codeaurora.org: Port to 4.4] Git-commit: 62feaf1ed0b64c04868d143d8bdb92d60dc3189b Git-repo: git://git.linaro.org/people/mike.holmes/santosh.shukla/lng-isol.git Signed-off-by: Olav Haugan <ohaugan@codeaurora.org> [markivx: Port to 4.14, fix merge conflicts due to lack of timer stats code] Signed-off-by: Vikram Mulukutla <markivx@codeaurora.org> Change-Id: Id2cdd74903598e31fab6999c4cbab9c2fd17fe23 Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org> |
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Deepa Dinamani
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c0edd7c9ac |
nanosleep: Use get_timespec64() and put_timespec64()
Usage of these apis and their compat versions makes the syscalls: clock_nanosleep and nanosleep and their compat implementations simpler. This is a preparatory patch to isolate data conversions to struct timespec64 at userspace boundaries. This helps contain the changes needed to transition to new y2038 safe types. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> |
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Thomas Gleixner
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938e7cf2d5 |
posix-timers: Make nanosleep timespec argument const
No nanosleep implementation modifies the rqtp argument. Mark is const. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: John Stultz <john.stultz@linaro.org> Cc: Peter Zijlstra <peterz@infradead.org> |
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Al Viro
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fb923c4a3c |
posix-timers: Kill ->nsleep_restart()
No more users. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: John Stultz <john.stultz@linaro.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20170607084241.28657-8-viro@ZenIV.linux.org.uk |
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Al Viro
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ce41aaf47a |
hrtimers/posix-timers: Merge nanosleep timespec copyout logics into a new helper
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: John Stultz <john.stultz@linaro.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20170607084241.28657-7-viro@ZenIV.linux.org.uk |
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Al Viro
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192a82f900 |
hrtimer_nanosleep(): Pass rmtp in restart_block
Store the pointer to the timespec which gets updated with the remaining time in the restart block and remove the function argument. [ tglx: Added changelog ] Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: John Stultz <john.stultz@linaro.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20170607084241.28657-3-viro@ZenIV.linux.org.uk |
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Deepa Dinamani
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ad19638463 |
time: Change k_clock nsleep() to use timespec64
struct timespec is not y2038 safe on 32 bit machines. Replace uses of struct timespec with struct timespec64 in the kernel. The syscall interfaces themselves will be changed in a separate series. Note that the restart_block parameter for nanosleep has also been left unchanged and will be part of syscall series noted above. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Cc: y2038@lists.linaro.org Cc: john.stultz@linaro.org Cc: arnd@arndb.de Link: http://lkml.kernel.org/r/1490555058-4603-8-git-send-email-deepa.kernel@gmail.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Stephen Boyd
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016da20148 |
hrtimer: Remove hrtimer_peek_ahead_timers() leftovers
This function was removed in commit
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Ingo Molnar
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283cb90305 |
sched/headers, hrtimer: Remove the <linux/wait.h> include from <linux/hrtimer.h>
In our quest to simplify <linux/sched.h>'s header dependencies, remove the <linux/wait.h> inclusion from <linux/hrtimer.h> - which does not appear to be necessary, as hrtimer.h does not use waitqueues. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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Kees Cook
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dfb4357da6 |
time: Remove CONFIG_TIMER_STATS
Currently CONFIG_TIMER_STATS exposes process information across namespaces:
kernel/time/timer_list.c print_timer():
SEQ_printf(m, ", %s/%d", tmp, timer->start_pid);
/proc/timer_list:
#11: <0000000000000000>, hrtimer_wakeup, S:01, do_nanosleep, cron/2570
Given that the tracer can give the same information, this patch entirely
removes CONFIG_TIMER_STATS.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: John Stultz <john.stultz@linaro.org>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: linux-doc@vger.kernel.org
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Xing Gao <xgao01@email.wm.edu>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Jessica Frazelle <me@jessfraz.com>
Cc: kernel-hardening@lists.openwall.com
Cc: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Michal Marek <mmarek@suse.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-api@vger.kernel.org
Cc: Arjan van de Ven <arjan@linux.intel.com>
Link: http://lkml.kernel.org/r/20170208192659.GA32582@beast
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Thomas Gleixner
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2456e85535 |
ktime: Get rid of the union
ktime is a union because the initial implementation stored the time in scalar nanoseconds on 64 bit machine and in a endianess optimized timespec variant for 32bit machines. The Y2038 cleanup removed the timespec variant and switched everything to scalar nanoseconds. The union remained, but become completely pointless. Get rid of the union and just keep ktime_t as simple typedef of type s64. The conversion was done with coccinelle and some manual mopping up. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> |
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Thomas Gleixner
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27590dc17b |
hrtimer: Convert to hotplug state machine
Split out the clockevents callbacks instead of piggybacking them on
hrtimers.
This gets rid of a POST_DEAD user. See commit:
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John Stultz
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da8b44d5a9 |
timer: convert timer_slack_ns from unsigned long to u64
This patchset introduces a /proc/<pid>/timerslack_ns interface which would allow controlling processes to be able to set the timerslack value on other processes in order to save power by avoiding wakeups (Something Android currently does via out-of-tree patches). The first patch tries to fix the internal timer_slack_ns usage which was defined as a long, which limits the slack range to ~4 seconds on 32bit systems. It converts it to a u64, which provides the same basically unlimited slack (500 years) on both 32bit and 64bit machines. The second patch introduces the /proc/<pid>/timerslack_ns interface which allows the full 64bit slack range for a task to be read or set on both 32bit and 64bit machines. With these two patches, on a 32bit machine, after setting the slack on bash to 10 seconds: $ time sleep 1 real 0m10.747s user 0m0.001s sys 0m0.005s The first patch is a little ugly, since I had to chase the slack delta arguments through a number of functions converting them to u64s. Let me know if it makes sense to break that up more or not. Other than that things are fairly straightforward. This patch (of 2): The timer_slack_ns value in the task struct is currently a unsigned long. This means that on 32bit applications, the maximum slack is just over 4 seconds. However, on 64bit machines, its much much larger (~500 years). This disparity could make application development a little (as well as the default_slack) to a u64. This means both 32bit and 64bit systems have the same effective internal slack range. Now the existing ABI via PR_GET_TIMERSLACK and PR_SET_TIMERSLACK specify the interface as a unsigned long, so we preserve that limitation on 32bit systems, where SET_TIMERSLACK can only set the slack to a unsigned long value, and GET_TIMERSLACK will return ULONG_MAX if the slack is actually larger then what can be stored by an unsigned long. This patch also modifies hrtimer functions which specified the slack delta as a unsigned long. Signed-off-by: John Stultz <john.stultz@linaro.org> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Oren Laadan <orenl@cellrox.com> Cc: Ruchi Kandoi <kandoiruchi@google.com> Cc: Rom Lemarchand <romlem@android.com> Cc: Kees Cook <keescook@chromium.org> Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Thomas Gleixner
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203cbf77de |
hrtimer: Handle remaining time proper for TIME_LOW_RES
If CONFIG_TIME_LOW_RES is enabled we add a jiffie to the relative timeout to prevent short sleeps, but we do not account for that in interfaces which retrieve the remaining time. Helge observed that timerfd can return a remaining time larger than the relative timeout. That's not expected and breaks userland test programs. Store the information that the timer was armed relative and provide functions to adjust the remaining time. To avoid bloating the hrtimer struct make state a u8, which as a bonus results in better code on x86 at least. Reported-and-tested-by: Helge Deller <deller@gmx.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: John Stultz <john.stultz@linaro.org> Cc: linux-m68k@lists.linux-m68k.org Cc: dhowells@redhat.com Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/20160114164159.273328486@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Thomas Gleixner
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683be13a28 |
timer: Minimize nohz off overhead
If nohz is disabled on the kernel command line the [hr]timer code still calls wake_up_nohz_cpu() and tick_nohz_full_cpu(), a pretty pointless exercise. Cache nohz_active in [hr]timer per cpu bases and avoid the overhead. Before: 48.10% hog [.] main 15.25% [kernel] [k] _raw_spin_lock_irqsave 9.76% [kernel] [k] _raw_spin_unlock_irqrestore 6.50% [kernel] [k] mod_timer 6.44% [kernel] [k] lock_timer_base.isra.38 3.87% [kernel] [k] detach_if_pending 3.80% [kernel] [k] del_timer 2.67% [kernel] [k] internal_add_timer 1.33% [kernel] [k] __internal_add_timer 0.73% [kernel] [k] timerfn 0.54% [kernel] [k] wake_up_nohz_cpu After: 48.73% hog [.] main 15.36% [kernel] [k] _raw_spin_lock_irqsave 9.77% [kernel] [k] _raw_spin_unlock_irqrestore 6.61% [kernel] [k] lock_timer_base.isra.38 6.42% [kernel] [k] mod_timer 3.90% [kernel] [k] detach_if_pending 3.76% [kernel] [k] del_timer 2.41% [kernel] [k] internal_add_timer 1.39% [kernel] [k] __internal_add_timer 0.76% [kernel] [k] timerfn We probably should have a cached value for nohz full in the per cpu bases as well to avoid the cpumask check. The base cache line is hot already, the cpumask not necessarily. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Eric Dumazet <edumazet@google.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: John Stultz <john.stultz@linaro.org> Cc: Joonwoo Park <joonwoop@codeaurora.org> Cc: Wenbo Wang <wenbo.wang@memblaze.com> Link: http://lkml.kernel.org/r/20150526224512.207378134@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Thomas Gleixner
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bc7a34b8b9 |
timer: Reduce timer migration overhead if disabled
Eric reported that the timer_migration sysctl is not really nice performance wise as it needs to check at every timer insertion whether the feature is enabled or not. Further the check does not live in the timer code, so we have an extra function call which checks an extra cache line to figure out that it is disabled. We can do better and store that information in the per cpu (hr)timer bases. I pondered to use a static key, but that's a nightmare to update from the nohz code and the timer base cache line is hot anyway when we select a timer base. The old logic enabled the timer migration unconditionally if CONFIG_NO_HZ was set even if nohz was disabled on the kernel command line. With this modification, we start off with migration disabled. The user visible sysctl is still set to enabled. If the kernel switches to NOHZ migration is enabled, if the user did not disable it via the sysctl prior to the switch. If nohz=off is on the kernel command line, migration stays disabled no matter what. Before: 47.76% hog [.] main 14.84% [kernel] [k] _raw_spin_lock_irqsave 9.55% [kernel] [k] _raw_spin_unlock_irqrestore 6.71% [kernel] [k] mod_timer 6.24% [kernel] [k] lock_timer_base.isra.38 3.76% [kernel] [k] detach_if_pending 3.71% [kernel] [k] del_timer 2.50% [kernel] [k] internal_add_timer 1.51% [kernel] [k] get_nohz_timer_target 1.28% [kernel] [k] __internal_add_timer 0.78% [kernel] [k] timerfn 0.48% [kernel] [k] wake_up_nohz_cpu After: 48.10% hog [.] main 15.25% [kernel] [k] _raw_spin_lock_irqsave 9.76% [kernel] [k] _raw_spin_unlock_irqrestore 6.50% [kernel] [k] mod_timer 6.44% [kernel] [k] lock_timer_base.isra.38 3.87% [kernel] [k] detach_if_pending 3.80% [kernel] [k] del_timer 2.67% [kernel] [k] internal_add_timer 1.33% [kernel] [k] __internal_add_timer 0.73% [kernel] [k] timerfn 0.54% [kernel] [k] wake_up_nohz_cpu Reported-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: John Stultz <john.stultz@linaro.org> Cc: Joonwoo Park <joonwoop@codeaurora.org> Cc: Wenbo Wang <wenbo.wang@memblaze.com> Link: http://lkml.kernel.org/r/20150526224512.127050787@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Peter Zijlstra
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887d9dc989 |
hrtimer: Allow hrtimer::function() to free the timer
Currently an hrtimer callback function cannot free its own timer because __run_hrtimer() still needs to clear HRTIMER_STATE_CALLBACK after it. Freeing the timer would result in a clear use-after-free. Solve this by using a scheme similar to regular timers; track the current running timer in hrtimer_clock_base::running. Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: ktkhai@parallels.com Cc: rostedt@goodmis.org Cc: juri.lelli@gmail.com Cc: pang.xunlei@linaro.org Cc: wanpeng.li@linux.intel.com Cc: Al Viro <viro@ZenIV.linux.org.uk> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: umgwanakikbuti@gmail.com Link: http://lkml.kernel.org/r/20150611124743.471563047@infradead.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Oleg Nesterov
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c04dca02bc |
hrtimer: Remove HRTIMER_STATE_MIGRATE
I do not understand HRTIMER_STATE_MIGRATE. Unless I am totally confused it looks buggy and simply unneeded. migrate_hrtimer_list() sets it to keep hrtimer_active() == T, but this is not enough: this can fool, say, hrtimer_is_queued() in dequeue_signal(). Can't migrate_hrtimer_list() simply use HRTIMER_STATE_ENQUEUED? This fixes the race and we can kill STATE_MIGRATE. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: ktkhai@parallels.com Cc: rostedt@goodmis.org Cc: juri.lelli@gmail.com Cc: pang.xunlei@linaro.org Cc: wanpeng.li@linux.intel.com Cc: umgwanakikbuti@gmail.com Link: http://lkml.kernel.org/r/20150611124743.072387650@infradead.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Borislav Petkov
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d711b8b30c |
hrtimers: Make sure hrtimer_resolution is unsigned int
... in the !CONFIG_HIGH_RES_TIMERS case too. And thus fix warnings like
this one:
net/sched/sch_api.c: In function ‘psched_show’:
net/sched/sch_api.c:1891:6: warning: format ‘%x’ expects argument of type ‘unsigned int’, but argument 6 has type ‘long int’ [-Wformat=]
(u32)NSEC_PER_SEC / hrtimer_resolution);
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1433583000-32090-1-git-send-email-bp@alien8.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
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Thomas Gleixner
|
61699e1307 |
hrtimer: Remove hrtimer_start() return value
No user was ever interested whether the timer was active or not when it was started. All abusers of the return value are gone, so get rid of it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/20150414203503.483556394@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Thomas Gleixner
|
02a171af1a |
hrtimer: Make hrtimer_start() a inline wrapper
No point for an extra export just to set the extra argument of hrtimer_start_range_ns() to 0. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/20150414203502.808544539@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Thomas Gleixner
|
58f1f803f1 |
hrtimer: Get rid of __hrtimer_start_range_ns()
No more callers. Remove the leftovers. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/20150414203502.707871492@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Thomas Gleixner
|
c1ad348b45 |
tick: Nohz: Rework next timer evaluation
The evaluation of the next timer in the nohz code is based on jiffies while all the tick internals are nano seconds based. We have also to convert hrtimer nanoseconds to jiffies in the !highres case. That's just wrong and introduces interesting corner cases. Turn it around and convert the next timer wheel timer expiry and the rcu event to clock monotonic and base all calculations on nanoseconds. That identifies the case where no timer is pending clearly with an absolute expiry value of KTIME_MAX. Makes the code more readable and gets rid of the jiffies magic in the nohz code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Josh Triplett <josh@joshtriplett.org> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: John Stultz <john.stultz@linaro.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Link: http://lkml.kernel.org/r/20150414203502.184198593@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Thomas Gleixner
|
c6eb3f70d4 |
hrtimer: Get rid of hrtimer softirq
hrtimer softirq is a leftover from the initial implementation and serves only the purpose to handle the enqueueing of already expired timers in the high resolution timer mode. We discussed whether we change the return value and force all start sites to handle that the timer is already expired, but that would be a Herculean task and I'm not sure whether its a good idea to enforce that handling on everyone. A simpler solution is to enforce a timer interrupt instead of raising and scheduling a softirq. Just use the existing infrastructure to do so and remove all the softirq leftovers. The HRTIMER softirq enum is now unused, but kept around because trace parsers rely on the existing numbering. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/20150414203501.840834708@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Thomas Gleixner
|
895bdfa793 |
hrtimer: Keep pointer to first timer and simplify __remove_hrtimer()
__remove_hrtimer() needs to evaluate the expiry time to figure out whether the timer which is removed is eventually the first expiring timer on the cpu. Keep a pointer to it, which is lazily updated, so we can avoid the evaluation dance and retrieve the information from there. Generates slightly better code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/20150414203501.752838019@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Thomas Gleixner
|
b8e38413ac |
hrtimer: Align the hrtimer clock bases as well
We don't use cacheline_align here because that might waste lot of space on 32bit machine with 64 bytes cachelines and on 64bit machines with 128 bytes cachelines. The size of struct hrtimer_clock_base is 64byte on 64bit and 32byte on 32bit machines. So we utilize the cache lines proper. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/20150414203501.498165771@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Thomas Gleixner
|
6d9a141139 |
hrtimer: Cache line align the hrtimer cpu base
We really want that data structure to start at a cache line boundary. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/20150414203501.417597627@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Thomas Gleixner
|
e19ffe8be2 |
hrtimer: Use bits for various boolean indicators
No point in wasting 12 byte storage space. Generates better code as well.
Text size reduction:
x8664 -64, i386 -16, ARM -132, ARM64 -0, power64 -48
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/20150414203501.227955358@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Thomas Gleixner
|
868a3e915f |
hrtimer: Make offset update smarter
On every tick/hrtimer interrupt we update the offset variables of the clock bases. That's silly because these offsets change very seldom. Add a sequence counter to the time keeping code which keeps track of the offset updates (clock_was_set()). Have a sequence cache in the hrtimer cpu bases to evaluate whether the offsets must be updated or not. This allows us later to avoid pointless cacheline pollution. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Preeti U Murthy <preeti@linux.vnet.ibm.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: John Stultz <john.stultz@linaro.org> Link: http://lkml.kernel.org/r/20150414203501.132820245@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: John Stultz <john.stultz@linaro.org> |
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Thomas Gleixner
|
21d6d52a1b |
hrtimer: Get rid of softirq time
The softirq time field in the clock bases is an optimization from the
early days of hrtimers. It provides a coarse "jiffies" like time
mostly for self rearming timers.
But that comes with a price:
- Larger code size
- Extra storage space
- Duplicated functions with really small differences
The benefit of this is optimization is marginal for contemporary
systems.
Consolidate everything on the high resolution timer
implementation. This makes further optimizations possible.
Text size reduction:
x8664 -95, i386 -356, ARM -148, ARM64 -40, power64 -16
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/20150414203501.039977424@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Thomas Gleixner
|
a6ffebce7f |
hrtimer: Make the statistics fields smaller
No point in having usigned long for /proc/timer_list statistics. Make them unsigned int. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/20150414203500.959773467@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Thomas Gleixner
|
056a3cacbc |
hrtimer: Get rid of hrtimer_get_res()
The resolution is directly accessible now. So its simpler just to fill
in the values of the timespec and be done with it.
Text size reduction (combined with "hrtimer: Get rid of the resolution
field in hrtimer_clock_base"):
x8664 -61, i386 -221, ARM -60, power64 -48
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/20150414203500.879888080@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Thomas Gleixner
|
398ca17fb5 |
hrtimer: Get rid of the resolution field in hrtimer_clock_base
The field has no value because all clock bases have the same resolution. The resolution only changes when we switch to high resolution timer mode. We can evaluate that from a single static variable as well. In the !HIGHRES case its simply a constant. Export the variable, so we can simplify the usage sites. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Preeti U Murthy <preeti@linux.vnet.ibm.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/20150414203500.645454122@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Thomas Gleixner
|
91e5a2170e |
hrtimer: Document hrtimer_forward[_now]() proper
Document the calling context conditions. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20150413210035.178751779@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Thomas Gleixner
|
9bc7491906 |
hrtimer: Prevent stale expiry time in hrtimer_interrupt()
hrtimer_interrupt() has the following subtle issue:
hrtimer_interrupt()
lock(cpu_base);
expires_next = KTIME_MAX;
expire_timers(CLOCK_MONOTONIC);
expires = get_next_timer(CLOCK_MONOTONIC);
if (expires < expires_next)
expires_next = expires;
expire_timers(CLOCK_REALTIME);
unlock(cpu_base);
wakeup()
hrtimer_start(CLOCK_MONOTONIC, newtimer);
lock(cpu_base();
expires = get_next_timer(CLOCK_REALTIME);
if (expires < expires_next)
expires_next = expires;
So because we already evaluated the next expiring timer of
CLOCK_MONOTONIC we ignore that the expiry time of newtimer might be
earlier than the overall next expiry time in hrtimer_interrupt().
To solve this, remove the caching of the next expiry value from
hrtimer_interrupt() and reevaluate all active clock bases for the next
expiry value. To avoid another code duplication, create a shared
evaluation function and use it for hrtimer_get_next_event(),
hrtimer_force_reprogram() and hrtimer_interrupt().
There is another subtlety in this mechanism:
While hrtimer_interrupt() is running, we want to avoid to touch the
hardware device because we will reprogram it anyway at the end of
hrtimer_interrupt(). This works nicely for hrtimers which get rearmed
via the HRTIMER_RESTART mechanism, because we drop out when the
callback on that CPU is running. But that fails, if a new timer gets
enqueued like in the example above.
This has another implication: While hrtimer_interrupt() is running we
refuse remote enqueueing of timers - see hrtimer_interrupt() and
hrtimer_check_target().
hrtimer_interrupt() tries to prevent this by setting cpu_base->expires
to KTIME_MAX, but that fails if a new timer gets queued.
Prevent both the hardware access and the remote enqueue
explicitely. We can loosen the restriction on the remote enqueue now
due to reevaluation of the next expiry value, but that needs a
seperate patch.
Folded in a fix from Vignesh Radhakrishnan.
Reported-and-tested-by: Stanislav Fomichev <stfomichev@yandex-team.ru>
Based-on-patch-by: Stanislav Fomichev <stfomichev@yandex-team.ru>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: vigneshr@codeaurora.org
Cc: john.stultz@linaro.org
Cc: viresh.kumar@linaro.org
Cc: fweisbec@gmail.com
Cc: cl@linux.com
Cc: stuart.w.hayes@gmail.com
Link: http://lkml.kernel.org/r/alpine.DEB.2.11.1501202049190.5526@nanos
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Thomas Gleixner
|
8b094cd03b |
time: Consolidate the time accessor prototypes
Right now we have time related prototypes in 3 different header files. Move it to a single timekeeping header file and move the core internal stuff into a core private header. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org> |
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Thomas Gleixner
|
166afb6451 |
ktime: Sanitize ktime_to_us/ms conversion
With the plain nanoseconds based ktime_t we can simply use ktime_divns() instead of going through loops and hoops of timespec/timeval conversion. Reported-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org> |
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John Stultz
|
76f4108892 |
hrtimer: Cleanup hrtimer accessors to the timekepeing state
Rather then having two similar but totally different implementations that provide timekeeping state to the hrtimer code, try to unify the two implementations to be more simliar. Thus this clarifies ktime_get_update_offsets to ktime_get_update_offsets_now and changes get_xtime... to ktime_get_update_offsets_tick. Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org> |
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Viresh Kumar
|
cddd02489f |
hrtimer: Store cpu-number in struct hrtimer_cpu_base
In lowres mode, hrtimers are serviced by the tick instead of a clock event. Now it works well as long as the tick stays periodic but we must also make sure that the hrtimers are serviced in dynticks mode. Part of that job consist in kicking a dynticks hrtimer target in order to make it reconsider the next tick to schedule to correctly handle the hrtimer's expiring time. And that part isn't handled by the hrtimers subsystem. To prepare for fixing this, we need __hrtimer_start_range_ns() to be able to resolve the CPU target associated to a hrtimer's object 'cpu_base' so that the kick can be centralized there. So lets store it in the 'struct hrtimer_cpu_base' to resolve the CPU without overhead. It is set once at CPU's online notification. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/r/1403393357-2070-4-git-send-email-fweisbec@gmail.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Viresh Kumar
|
e2e680fb75 |
hrtimer: Rearrange comments in the order struct members are declared
Rearrange kernel doc comments in the order members of struct hrtimer are declared. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Cc: linaro-kernel@lists.linaro.org Cc: fweisbec@gmail.com Cc: trivial@kernel.org Link: http://lkml.kernel.org/r/1db1a3cfbe8a9ea49396af75c6ac04a2e67e3ab0.1395226248.git.viresh.kumar@linaro.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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John Stultz
|
90adda98b8 |
hrtimer: Add hrtimer support for CLOCK_TAI
Add hrtimer support for CLOCK_TAI, as well as posix timer interfaces. Signed-off-by: John Stultz <john.stultz@linaro.org> |
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Thomas Gleixner
|
f6c06abfb3 |
timekeeping: Provide hrtimer update function
To finally fix the infamous leap second issue and other race windows caused by functions which change the offsets between the various time bases (CLOCK_MONOTONIC, CLOCK_REALTIME and CLOCK_BOOTTIME) we need a function which atomically gets the current monotonic time and updates the offsets of CLOCK_REALTIME and CLOCK_BOOTTIME with minimalistic overhead. The previous patch which provides ktime_t offsets allows us to make this function almost as cheap as ktime_get() which is going to be replaced in hrtimer_interrupt(). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Prarit Bhargava <prarit@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: John Stultz <johnstul@us.ibm.com> Link: http://lkml.kernel.org/r/1341960205-56738-7-git-send-email-johnstul@us.ibm.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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John Stultz
|
f55a6faa38 |
hrtimer: Provide clock_was_set_delayed()
clock_was_set() cannot be called from hard interrupt context because it calls on_each_cpu(). For fixing the widely reported leap seconds issue it is necessary to call it from hard interrupt context, i.e. the timer tick code, which does the timekeeping updates. Provide a new function which denotes it in the hrtimer cpu base structure of the cpu on which it is called and raise the hrtimer softirq. We then execute the clock_was_set() notificiation from softirq context in run_hrtimer_softirq(). The hrtimer softirq is rarely used, so polling the flag there is not a performance issue. [ tglx: Made it depend on CONFIG_HIGH_RES_TIMERS. We really should get rid of all this ifdeffery ASAP ] Signed-off-by: John Stultz <johnstul@us.ibm.com> Reported-by: Jan Engelhardt <jengelh@inai.de> Reviewed-by: Ingo Molnar <mingo@kernel.org> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Prarit Bhargava <prarit@redhat.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1341960205-56738-2-git-send-email-johnstul@us.ibm.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Vitaliy Ivanov
|
4d258b25d9 |
Fix some kernel-doc warnings
Fix 'make htmldocs' warnings: Warning(/include/linux/hrtimer.h:153): No description found for parameter 'clockid' Warning(/include/linux/device.h:604): Excess struct/union/enum/typedef member 'of_match' description in 'device' Warning(/include/net/sock.h:349): Excess struct/union/enum/typedef member 'sk_rmem_alloc' description in 'sock' Signed-off-by: Vitaliy Ivanov <vitalivanov@gmail.com> Acked-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |