mirror-linux/include/linux
Hridya Valsaraju bdb8d06dfe dmabuf: Add the capability to expose DMA-BUF stats in sysfs
Overview
========
The patch adds DMA-BUF statistics to /sys/kernel/dmabuf/buffers. It
allows statistics to be enabled for each DMA-BUF in sysfs by enabling
the config CONFIG_DMABUF_SYSFS_STATS.

The following stats will be exposed by the interface:

/sys/kernel/dmabuf/buffers/<inode_number>/exporter_name
/sys/kernel/dmabuf/buffers/<inode_number>/size
/sys/kernel/dmabuf/buffers/<inode_number>/attachments/<attach_uid>/device
/sys/kernel/dmabuf/buffers/<inode_number>/attachments/<attach_uid>/map_counter

The inode_number is unique for each DMA-BUF and was added earlier [1]
in order to allow userspace to track DMA-BUF usage across different
processes.

Use Cases
=========
The interface provides a way to gather DMA-BUF per-buffer statistics
from production devices. These statistics will be used to derive DMA-BUF
per-exporter stats and per-device usage stats for Android Bug reports.
The corresponding userspace changes can be found at [2].
Telemetry tools will also capture this information(along with other
memory metrics) periodically as well as on important events like a
foreground app kill (which might have been triggered by Low Memory
Killer). It will also contribute to provide a snapshot of the system
memory usage on other events such as OOM kills and Application Not
Responding events.

Background
==========
Currently, there are two existing interfaces that provide information
about DMA-BUFs.
1) /sys/kernel/debug/dma_buf/bufinfo
debugfs is however unsuitable to be mounted in production systems and
cannot be considered as an alternative to the sysfs interface being
proposed.
2) proc/<pid>/fdinfo/<fd>
The proc/<pid>/fdinfo/<fd> files expose information about DMA-BUF fds.
However, the existing procfs interfaces can only provide information
about the buffers for which processes hold fds or have the buffers
mmapped into their address space. Since the procfs interfaces alone
cannot provide a full picture of all DMA-BUFs in the system, there is
the need for an alternate interface to provide this information on
production systems.

The patch contains the following major improvements over v1:
1) Each attachment is represented by its own directory to allow creating
a symlink to the importing device and to also provide room for future
expansion.
2) The number of distinct mappings of each attachment is exposed in a
separate file.
3) The per-buffer statistics are now in /sys/kernel/dmabuf/buffers
inorder to make the interface expandable in future.

All of the improvements above are based on suggestions/feedback from
Daniel Vetter and Christian König.

A shell script that can be run on a classic Linux environment to read
out the DMA-BUF statistics can be found at [3](suggested by John
Stultz).

[1]: https://lore.kernel.org/patchwork/patch/1088791/
[2]: https://android-review.googlesource.com/q/topic:%22dmabuf-sysfs%22+(status:open%20OR%20status:merged)
[3]: https://android-review.googlesource.com/c/platform/system/memory/libmeminfo/+/1549734

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Hridya Valsaraju <hridya@google.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210603214758.2955251-1-hridya@google.com
2021-06-15 11:50:24 +02:00
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amba spi: Updates for v5.13 2021-04-26 16:32:11 -07:00
avf ice: Enable RSS configure for AVF 2021-04-22 09:26:22 -07:00
bcma
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device
dma
dsa net: dsa: free skb->cb usage in core driver 2021-04-27 14:10:15 -07:00
extcon
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fpga
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gpio gpio updates for v5.13 2021-05-05 12:39:29 -07:00
greybus
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i3c
iio dt-bindings:iio:dac: update microchip,mcp4725.yaml reference 2021-04-07 08:36:38 +01:00
input
irqchip ARM: platform support for Apple M1 2021-04-26 12:30:36 -07:00
isdn
lockd
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mfd - Core Frameworks 2021-04-28 15:59:13 -07:00
mlx4
mlx5 RDMA merge window pull request 2021-05-01 09:15:05 -07:00
mmc mmc: core: Convert mmc_of_parse_voltage() to use device property API 2021-04-23 09:29:49 +02:00
mtd mtd: core: Constify buf in mtd_write_user_prot_reg() 2021-04-16 20:30:54 +02:00
mux
net/intel
netfilter netfilter: allow to turn off xtables compat layer 2021-04-26 18:16:56 +02:00
netfilter_arp netfilter: arptables: use pernet ops struct during unregister 2021-05-03 23:04:01 +02:00
netfilter_bridge netfilter: ebtables: remove the 3 ebtables pointers from struct net 2021-04-26 03:20:07 +02:00
netfilter_ipv4 netfilter: allow to turn off xtables compat layer 2021-04-26 18:16:56 +02:00
netfilter_ipv6 netfilter: allow to turn off xtables compat layer 2021-04-26 18:16:56 +02:00
pcs
perf
phy
pinctrl pinctrl: Add PIN_CONFIG_MODE_PWM to enum pin_config_param 2021-04-22 02:03:01 +02:00
platform_data chrome platform changes for 5.13 2021-05-07 14:49:18 -07:00
power
qed net: qed: remove unused including <linux/version.h> 2021-04-08 13:26:22 -07:00
raid
regulator regulator: core: Fix off_on_delay handling 2021-04-23 13:18:35 +01:00
remoteproc
reset
rpmsg
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soc
soundwire
spi MMC core: 2021-04-28 15:56:51 -07:00
ssb
sunrpc NFS client updates for Linux 5.13 2021-05-07 11:23:41 -07:00
surface_aggregator platform/surface: aggregator: avoid clang -Wconstant-conversion warning 2021-05-19 15:24:52 +02:00
ulpi
unaligned
usb Networking changes for 5.13. 2021-04-29 11:57:23 -07:00
8250_pci.h
a.out.h
acct.h
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acpi_dma.h
acpi_iort.h
acpi_pmtmr.h
adb.h
adfs_fs.h
adreno-smmu-priv.h
adxl.h
aer.h
agp_backend.h
agpgart.h
ahci-remap.h
ahci_platform.h
aio.h
alarmtimer.h
alcor_pci.h
align.h kernel.h: drop inclusion in bitmap.h 2021-05-06 19:24:11 -07:00
altera_jtaguart.h
altera_uart.h
amd-iommu.h iommu/amd: Move a few prototypes to include/linux/amd-iommu.h 2021-04-07 11:14:55 +02:00
anon_inodes.h
apm-emulation.h
apm_bios.h
apple-gmux.h
apple_bl.h
arch_topology.h
arm-cci.h
arm-smccc.h KVM: arm64: Add support for the KVM PTP service 2021-04-07 16:33:20 +01:00
arm_sdei.h
armada-37xx-rwtm-mailbox.h treewide: change my e-mail address, fix my name 2021-04-09 14:54:23 -07:00
ascii85.h
asn1.h
asn1_ber_bytecode.h
asn1_decoder.h
asn1_encoder.h lib: Add ASN.1 encoder 2021-04-14 16:30:30 +03:00
assoc_array.h
assoc_array_priv.h
async.h kernel/async.c: remove async_unregister_domain() 2021-05-07 00:26:33 -07:00
async_tx.h
ata.h
ata_platform.h
atalk.h
ath9k_platform.h
atm.h
atm_tcp.h
atmdev.h
atmel-isc-media.h
atmel-mci.h
atmel-ssc.h
atmel_pdc.h
atomic-arch-fallback.h
atomic-fallback.h
atomic.h
attribute_container.h
audit.h
auto_dev-ioctl.h
auto_fs.h
auxiliary_bus.h
auxvec.h
average.h
backing-dev-defs.h
backing-dev.h
backlight.h
badblocks.h
balloon_compaction.h
bcd.h
bch.h
bcm47xx_nvram.h
bcm47xx_sprom.h
bcm47xx_wdt.h
bcm963xx_nvram.h
bcm963xx_tag.h
binfmts.h
bio.h Revert "bio: limit bio max size" 2021-05-08 21:49:48 -06:00
bit_spinlock.h
bitfield.h
bitmap.h Merge branch 'akpm' (patches from Andrew) 2021-05-07 00:34:51 -07:00
bitops.h lib: add fast path for find_first_*_bit() and find_last_bit() 2021-05-06 19:24:12 -07:00
bitrev.h
bits.h linux/bits.h: fix compilation error with GENMASK 2021-05-22 15:09:07 -10:00
blk-cgroup.h
blk-crypto.h
blk-mq-pci.h
blk-mq-rdma.h
blk-mq-virtio.h
blk-mq.h scsi: blk-mq: Fix build warning when making htmldocs 2021-04-21 22:59:17 -04:00
blk-pm.h
blk_types.h
blkdev.h block-5.13-2021-05-14 2021-05-15 08:52:30 -07:00
blkpg.h
blktrace_api.h
blockgroup_lock.h
bma150.h
bootconfig.h
bottom_half.h
bpf-cgroup.h
bpf-netns.h
bpf.h Networking changes for 5.13. 2021-04-29 11:57:23 -07:00
bpf_lirc.h
bpf_local_storage.h
bpf_lsm.h
bpf_trace.h
bpf_types.h
bpf_verifier.h bpf: Fix leakage of uninitialized bpf stack under speculation 2021-05-03 11:56:23 +02:00
bpfilter.h
brcmphy.h
bsearch.h
bsg-lib.h
bsg.h
btf.h
btf_ids.h
btree-128.h
btree-type.h
btree.h
btrfs.h
buffer_head.h mm: fs: invalidate BH LRU during page migration 2021-05-05 11:27:24 -07:00
bug.h bug: Provide dummy version of bug_get_file_line() when !GENERIC_BUG 2021-04-15 17:04:24 +01:00
build-salt.h
build_bug.h
buildid.h
bvec.h
c2port.h
cache.h
cacheinfo.h
capability.h
cb710.h
cciss_ioctl.h
ccp.h
cdev.h
cdrom.h
cfag12864b.h
cfi.h add support for Clang CFI 2021-04-08 16:04:20 -07:00
cgroup-defs.h
cgroup.h
cgroup_rdma.h
cgroup_subsys.h
circ_buf.h
cleancache.h
clk-provider.h clk: divider: add devm_clk_hw_register_divider 2021-04-07 11:05:44 -07:00
clk.h
clkdev.h
clockchips.h
clocksource.h ARM: 2021-05-01 10:14:08 -07:00
clocksource_ids.h clocksource: Add clocksource id for arm arch counter 2021-04-07 16:33:20 +01:00
cm4000_cs.h
cma.h mm: use proper type for cma_[alloc|release] 2021-05-05 11:27:24 -07:00
cmdline-parser.h
cn_proc.h
cnt32_to_63.h
coda.h
compaction.h mm/compaction: remove unused variable sysctl_compact_memory 2021-05-05 11:27:24 -07:00
compat.h Merge branch 'for-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2021-05-21 06:12:52 -10:00
compiler-clang.h cfi: add __cficanonical 2021-04-08 16:04:20 -07:00
compiler-gcc.h include/linux/compiler-gcc.h: sparse can do constant folding of __builtin_bswap*() 2021-04-30 11:20:35 -07:00
compiler-intel.h
compiler-version.h kbuild: redo fake deps at include/config/*.h 2021-04-25 05:26:10 +09:00
compiler.h
compiler_attributes.h
compiler_types.h cfi: add __cficanonical 2021-04-08 16:04:20 -07:00
completion.h
component.h
configfs.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
connector.h
console.h
console_struct.h vt: Fix character height handling with VT_RESIZEX 2021-05-13 11:00:18 -07:00
consolemap.h
const.h linux/bits.h: fix compilation error with GENMASK 2021-05-22 15:09:07 -10:00
container.h
context_tracking.h context_tracking: KVM: Move guest enter/exit wrappers to KVM's domain 2021-05-05 22:54:12 +02:00
context_tracking_state.h
cookie.h
cordic.h
coredump.h
coresight-pmu.h
coresight-stm.h
coresight.h
count_zeros.h
counter.h
counter_enum.h
cper.h
cpu.h
cpu_cooling.h
cpu_pm.h
cpu_rmap.h
cpufeature.h
cpufreq.h
cpuhotplug.h dmaengine updates for v5.13-rc1 2021-05-04 11:24:46 -07:00
cpuidle.h cpuidle: Use s64 as exit_latency_ns and target_residency_ns data type 2021-04-07 19:26:44 +02:00
cpuidle_haltpoll.h
cpumask.h The x86 MM changes in this cycle were: 2021-04-29 11:41:43 -07:00
cpuset.h
crash_core.h
crash_dump.h
crc-ccitt.h
crc-itu-t.h
crc-t10dif.h
crc4.h
crc7.h
crc8.h lib: crc8: pointer to data block should be const 2021-05-06 19:24:12 -07:00
crc16.h
crc32.h
crc32c.h
crc32poly.h
crc64.h
cred.h kernel/cred.c: make init_groups static 2021-05-06 19:24:11 -07:00
crypto.h
cs5535.h
ctype.h
cuda.h
dasd_mod.h
davinci_emac.h
dax.h
dca.h
dcache.h useful constants: struct qstr for ".." 2021-04-15 22:36:45 -04:00
dccp.h
debug_locks.h
debugfs.h debugfs: Implement debugfs_create_str() 2021-04-16 17:06:34 +02:00
debugobjects.h
delay.h
delayacct.h delayacct: clear right task's flag after blkio completes 2021-05-07 00:26:32 -07:00
delayed_call.h
dev_printk.h
devcoredump.h
devfreq-event.h
devfreq.h
devfreq_cooling.h
device-mapper.h dm: replace dm_vcalloc() 2021-04-19 13:13:26 -04:00
device.h
device_cgroup.h
devm-helpers.h devm-helpers: Fix devm_delayed_work_autocancel() kerneldoc 2021-04-22 08:20:15 +02:00
devpts_fs.h
dfl.h
digsig.h
dim.h
dio.h
dirent.h
dlm.h
dlm_plock.h
dm-bufio.h
dm-dirty-log.h
dm-io.h
dm-kcopyd.h
dm-region-hash.h
dm9000.h
dma-buf-map.h
dma-buf.h dmabuf: Add the capability to expose DMA-BUF stats in sysfs 2021-06-15 11:50:24 +02:00
dma-direct.h
dma-direction.h
dma-fence-array.h
dma-fence-chain.h dma-buf: add dma_fence_chain_alloc/free v3 2021-06-14 19:38:34 +02:00
dma-fence.h drm/syncobj: use newly allocated stub fences 2021-04-08 12:21:13 +02:00
dma-heap.h
dma-iommu.h iommu: Delete iommu_dma_free_cpu_cached_iovas() 2021-04-07 10:30:47 +02:00
dma-map-ops.h
dma-mapping.h
dma-resv.h dma-buf: drop the _rcu postfix on function names v3 2021-06-06 11:19:51 +02:00
dmaengine.h
dmapool.h
dmar.h
dmi.h
dnotify.h
dns_resolver.h
dqblk_qtree.h
dqblk_v1.h
dqblk_v2.h
drbd.h
drbd_genl.h
drbd_genl_api.h
drbd_limits.h
ds2782_battery.h
dtlk.h
dtpm.h
dw_apb_timer.h
dynamic_debug.h dyndbg: avoid calling dyndbg_emit_prefix when it has no work 2021-05-13 20:50:23 +02:00
dynamic_queue_limits.h
earlycpio.h
ecryptfs.h
edac.h
edd.h
eeprom_93cx6.h
eeprom_93xx46.h
efi-bgrt.h
efi.h
efi_embedded_fw.h
efs_vh.h
eisa.h
elevator.h kyber: fix out of bounds access when preempted 2021-05-11 08:12:14 -06:00
elf-fdpic.h
elf-randomize.h
elf.h
elfcore-compat.h
elfcore.h
elfnote-lto.h kbuild: add an elfnote for whether vmlinux is built with lto 2021-04-25 05:25:42 +09:00
elfnote.h
enclosure.h
energy_model.h
entry-common.h
entry-kvm.h
err.h
errname.h
errno.h
error-injection.h
errqueue.h
errseq.h
etherdevice.h
ethtool.h ethtool: add interface to read RMON stats 2021-04-16 16:59:20 -07:00
ethtool_netlink.h
eventfd.h
eventpoll.h
evm.h
export.h
exportfs.h
ext2_fs.h
extable.h
extcon-provider.h
extcon.h
f2fs_fs.h
f75375s.h
falloc.h
fanotify.h
fault-inject-usercopy.h
fault-inject.h
fb.h
fbcon.h
fcdevice.h
fcntl.h
fd.h
fddidevice.h
fdtable.h
fec.h
fiemap.h
file.h fs: split receive_fd_replace from __receive_fd 2021-04-16 00:13:04 -04:00
fileattr.h vfs: add fileattr ops 2021-04-12 15:04:23 +02:00
filter.h
fips.h
firewire.h
firmware-map.h
firmware.h
fixp-arith.h
flat.h
flex_proportions.h
font.h
fortify-string.h
freelist.h
freezer.h freezer: Remove unused inline function try_to_freeze_nowarn() 2021-04-08 19:12:20 +02:00
frontswap.h
fs.h drivers/char: remove /dev/kmem for good 2021-05-07 00:26:34 -07:00
fs_context.h
fs_enet_pd.h
fs_parser.h
fs_pin.h
fs_stack.h
fs_struct.h
fs_types.h
fs_uart_pd.h
fscache-cache.h fscache, cachefiles: Add alternate API to use kiocb for read/write to cache 2021-04-23 10:14:32 +01:00
fscache.h fscache, cachefiles: Add alternate API to use kiocb for read/write to cache 2021-04-23 10:14:32 +01:00
fscrypt.h
fsi-occ.h
fsi-sbefifo.h
fsi.h
fsl-diu-fb.h
fsl_devices.h
fsl_hypervisor.h
fsl_ifc.h
fsldma.h
fsnotify.h
fsnotify_backend.h
fsverity.h
ftrace.h
ftrace_irq.h
futex.h
fwnode.h usb: typec: tcpm: Don't block probing of consumers of "connector" nodes 2021-05-10 16:22:27 +02:00
gameport.h
gcd.h
genalloc.h
generic-radix-tree.h
genetlink.h
genhd.h block: prevent block device lookups at the beginning of del_gendisk 2021-05-20 07:59:35 -06:00
genl_magic_func.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
genl_magic_struct.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
getcpu.h
gfp.h mm: fix some typos and code style problems 2021-05-07 00:26:33 -07:00
glob.h
gnss.h
goldfish.h
gpio-pxa.h
gpio.h
gpio_keys.h
greybus.h
hardirq.h
hash.h
hashtable.h
hdlc.h
hdlcdrv.h
hdmi.h
hid-debug.h
hid-roccat.h
hid-sensor-hub.h
hid-sensor-ids.h
hid.h Merge branch 'for-5.13/plantronics' into for-linus 2021-04-29 21:44:07 +02:00
hidden.h
hiddev.h
hidraw.h
highmem-internal.h
highmem.h iov_iter: lift memzero_page() to highmem.h 2021-05-05 11:27:27 -07:00
highuid.h
hil.h
hil_mlc.h
hippidevice.h
hmm.h
host1x.h
hp_sdc.h
hpet.h
hrtimer.h
hrtimer_defs.h
htcpld.h
huge_mm.h mm/huge_memory.c: remove unused macro TRANSPARENT_HUGEPAGE_DEBUG_COW_FLAG 2021-05-05 11:27:21 -07:00
hugetlb.h userfaultfd: add UFFDIO_CONTINUE ioctl 2021-05-05 11:27:22 -07:00
hugetlb_cgroup.h
hugetlb_inline.h
hw_breakpoint.h
hw_random.h
hwmon-sysfs.h
hwmon-vid.h
hwmon.h
hwspinlock.h
hyperv.h SCSI misc on 20210428 2021-04-28 17:22:10 -07:00
hypervisor.h
i2c-algo-bit.h
i2c-algo-pca.h
i2c-algo-pcf.h
i2c-dev.h
i2c-mux.h
i2c-smbus.h
i2c.h i2c: ensure timely release of driver-allocated resources 2021-04-10 21:59:21 +02:00
i8042.h
i8253.h
icmp.h
icmpv6.h
ide.h
idle_inject.h
idr.h
ieee80211.h wireless: fix spelling of A-MSDU in HE capabilities 2021-04-19 12:50:15 +02:00
ieee802154.h
if_arp.h
if_bridge.h
if_eql.h
if_ether.h
if_fddi.h
if_hsr.h
if_link.h
if_ltalk.h
if_macvlan.h
if_phonet.h
if_pppol2tp.h
if_pppox.h
if_rmnet.h
if_tap.h
if_team.h
if_tun.h
if_tunnel.h
if_vlan.h
igmp.h
ihex.h
ima.h
imx-media.h
in.h
in6.h
indirect_call_wrapper.h
inet.h
inet_diag.h
inetdevice.h
init.h cfi: add __cficanonical 2021-04-08 16:04:20 -07:00
init_ohci1394_dma.h
init_syscalls.h
init_task.h kernel/cred.c: make init_groups static 2021-05-06 19:24:11 -07:00
initrd.h init/initramfs.c: do unpacking asynchronously 2021-05-07 00:26:33 -07:00
inotify.h
input.h
instrumentation.h
instrumented.h
integrity.h
intel-iommu.h iommu/vt-d: Invalidate PASID cache when root/context entry changed 2021-04-07 11:55:47 +02:00
intel-ish-client-if.h
intel-svm.h iommu/vt-d: Remove SVM_FLAG_PRIVATE_PASID 2021-04-07 10:15:19 +02:00
intel_rapl.h powercap: RAPL: Fix struct declaration in header file 2021-04-08 19:09:02 +02:00
intel_th.h
interconnect-provider.h
interconnect.h
interrupt.h
interval_tree.h
interval_tree_generic.h
io-64-nonatomic-hi-lo.h
io-64-nonatomic-lo-hi.h
io-mapping.h mm: add a io_mapping_map_user helper 2021-04-30 11:20:39 -07:00
io-pgtable.h iommu: remove DOMAIN_ATTR_IO_PGTABLE_CFG 2021-04-07 10:56:53 +02:00
io.h mm: HUGE_VMAP arch support cleanup 2021-04-30 11:20:40 -07:00
io_uring.h io_uring: unify files and task cancel 2021-04-11 19:30:41 -06:00
ioasid.h
iocontext.h
iomap.h iomap: remove unused private field from ioend 2021-05-04 08:54:29 -07:00
iommu-helper.h
iommu.h iommu: Streamline registration interface 2021-04-16 17:20:45 +02:00
iopoll.h
ioport.h ACPI updates for 5.13-rc1 2021-04-26 15:03:23 -07:00
ioprio.h
iova.h iommu: Delete iommu_dma_free_cpu_cached_iovas() 2021-04-07 10:30:47 +02:00
ip.h
ipack.h
ipc.h
ipc_namespace.h
ipmi.h
ipmi_smi.h
ipv6.h
ipv6_route.h
irq.h arm64 updates for 5.13: 2021-04-26 10:25:03 -07:00
irq_poll.h
irq_sim.h
irq_work.h
irqbypass.h
irqchip.h
irqdesc.h
irqdomain.h gpio updates for v5.13 2021-05-05 12:39:29 -07:00
irqflags.h
irqhandler.h
irqnr.h
irqreturn.h
isa.h
isapnp.h
iscsi_boot_sysfs.h
iscsi_ibft.h
iversion.h
jbd2.h
jhash.h
jiffies.h
journal-head.h
joystick.h
jump_label.h jump_label: Provide CONFIG-driven build state defaults 2021-04-08 14:05:19 +02:00
jump_label_ratelimit.h
jz4740-adc.h
jz4780-nemc.h
kallsyms.h
kasan-checks.h
kasan.h kasan, mm: integrate slab init_on_free with HW_TAGS 2021-04-30 11:20:41 -07:00
kbd_diacr.h
kbd_kern.h
kbuild.h
kconfig.h linux/kconfig.h: replace IF_ENABLED() with PTR_IF() in <linux/kernel.h> 2021-05-09 00:29:45 +09:00
kcore.h
kcov.h
kcsan-checks.h
kcsan.h
kdb.h
kdebug.h
kdev_t.h
kern_levels.h
kernel-page-flags.h
kernel.h Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
kernel_read_file.h
kernel_stat.h
kernelcapi.h
kernfs.h
kexec.h
key-type.h
key.h
keyboard.h
keyctl.h
keyslot-manager.h
kfence.h
kfifo.h
kgdb.h
khugepaged.h
klist.h
kmemleak.h
kmod.h
kmsg_dump.h
kobj_map.h
kobject.h
kobject_ns.h
kprobes.h
kref.h
ks0108.h
ks8842.h
ks8851_mll.h
ksm.h
kthread.h
ktime.h
kvm_dirty_ring.h
kvm_host.h context_tracking: KVM: Move guest enter/exit wrappers to KVM's domain 2021-05-05 22:54:12 +02:00
kvm_irqfd.h
kvm_para.h
kvm_types.h
l2tp.h
lantiq.h
lapb.h
latencytop.h
lcd.h
lcm.h
led-class-flash.h
led-class-multicolor.h
led-lm3530.h
leds-bd2802.h
leds-lp3944.h
leds-lp3952.h
leds-pca9532.h
leds-regulator.h
leds-ti-lmu-common.h
leds.h
libata.h
libfdt.h
libfdt_env.h
libgcc.h
libnvdimm.h libnvdimm: Remove duplicate struct declaration 2021-05-12 12:37:14 -07:00
libps2.h
license.h
lightnvm.h lightnvm: remove duplicate include in lightnvm.h 2021-04-13 09:16:12 -06:00
limits.h
linear_range.h
linkage.h
linkmode.h
linux_logo.h
lis3lv02d.h
list.h
list_bl.h
list_lru.h
list_nulls.h
list_sort.h treewide: Change list_sort to use const pointers 2021-04-08 16:04:22 -07:00
litex.h
livepatch.h
llc.h
llist.h
local_lock.h
local_lock_internal.h
lockdep.h Locking changes for this cycle were: 2021-04-28 12:37:53 -07:00
lockdep_types.h
lockref.h
log2.h
logic_pio.h
lp.h
lru_cache.h
lsm_audit.h
lsm_hook_defs.h Add Landlock, a new LSM from Mickaël Salaün <mic@linux.microsoft.com> 2021-05-01 18:50:44 -07:00
lsm_hooks.h Add Landlock, a new LSM from Mickaël Salaün <mic@linux.microsoft.com> 2021-05-01 18:50:44 -07:00
lz4.h
lzo.h
mISDNdsp.h
mISDNhw.h
mISDNif.h
mailbox_client.h
mailbox_controller.h
maple.h
marvell_phy.h net: phy: marvell: add support for Amethyst internal PHY 2021-04-20 16:27:54 -07:00
math.h
math64.h
max17040_battery.h
mbcache.h
mbus.h
mc6821.h
mc146818rtc.h
mcb.h
mdev.h vfio/mdev: Correct the function signatures for the mdev_type_attributes 2021-04-12 10:36:00 -06:00
mdio-bitbang.h net: phy: Add support for microchip SMI0 MDIO bus 2021-04-27 14:13:24 -07:00
mdio-gpio.h
mdio-mux.h
mdio.h
mei_cl_bus.h
mem_encrypt.h
memblock.h
memcontrol.h mm: memcontrol: reparent nr_deferred when memcg offline 2021-05-05 11:27:23 -07:00
memfd.h
memory.h mm,memory_hotplug: allocate memmap from the added memory range 2021-05-05 11:27:26 -07:00
memory_hotplug.h mm,memory_hotplug: allocate memmap from the added memory range 2021-05-05 11:27:26 -07:00
mempolicy.h
mempool.h
memregion.h
memremap.h mm,memory_hotplug: allocate memmap from the added memory range 2021-05-05 11:27:26 -07:00
memstick.h
mhi.h bus: mhi: fix typo in comments for struct mhi_channel_config 2021-04-09 18:48:22 +05:30
micrel_phy.h
microchipphy.h
migrate.h mm/gup: migrate pinned pages out of movable zone 2021-05-05 11:27:26 -07:00
migrate_mode.h
mii.h
mii_timestamper.h
min_heap.h
minmax.h linux/bits.h: fix compilation error with GENMASK 2021-05-22 15:09:07 -10:00
misc_cgroup.h
miscdevice.h
mm.h mm/hugetlb: fix F_SEAL_FUTURE_WRITE 2021-05-14 19:41:32 -07:00
mm_inline.h
mm_types.h mm: fix struct page layout on 32-bit systems 2021-05-14 19:41:32 -07:00
mm_types_task.h
mman.h
mmap_lock.h
mmdebug.h
mmiotrace.h
mmu_context.h
mmu_notifier.h
mmzone.h mm: fix some typos and code style problems 2021-05-07 00:26:33 -07:00
mnt_namespace.h
mod_devicetable.h
module.h add support for Clang CFI 2021-04-08 16:04:20 -07:00
module_signature.h
moduleloader.h
moduleparam.h
most.h
mount.h
moxtet.h treewide: change my e-mail address, fix my name 2021-04-09 14:54:23 -07:00
mpage.h
mpi.h
mpls.h
mpls_iptunnel.h
mroute.h
mroute6.h
mroute_base.h
msdos_fs.h
msdos_partition.h
msg.h
msi.h PCI/MSI: Kill default_teardown_msi_irqs() 2021-04-20 14:11:22 +01:00
mtio.h
mutex.h
mv643xx.h
mv643xx_eth.h
mv643xx_i2c.h
mvebu-pmsu.h
mxm-wmi.h
n_r3964.h
namei.h
nd.h libnvdimm: Notify disk drivers to revalidate region read-only 2021-04-08 22:18:36 -07:00
ndctl.h
net.h
netdev_features.h
netdevice.h net: remove the new_ifindex argument from dev_change_net_namespace 2021-04-07 14:43:28 -07:00
netfilter.h
netfilter_bridge.h
netfilter_defs.h
netfilter_ingress.h
netfilter_ipv4.h
netfilter_ipv6.h
netfs.h netfs: Define an interface to talk to a cache 2021-04-23 10:14:32 +01:00
netlink.h netlink: simplify nl_set_extack_cookie_u64(), nl_set_extack_cookie_u32() 2021-04-19 15:41:28 -07:00
netpoll.h
nfs.h
nfs3.h
nfs4.h NFSv4: Add support for the NFSv4.2 "change_attr_type" attribute 2021-04-13 10:04:05 -04:00
nfs_fs.h NFS: Separate tracking of file mode cache validity from the uid/gid 2021-04-13 09:41:16 -04:00
nfs_fs_i.h
nfs_fs_sb.h NFS client updates for Linux 5.13 2021-05-07 11:23:41 -07:00
nfs_iostat.h
nfs_page.h
nfs_ssc.h
nfs_xdr.h NFSv4: Add support for the NFSv4.2 "change_attr_type" attribute 2021-04-13 10:04:05 -04:00
nfsacl.h
nitro_enclaves.h
nl802154.h
nls.h
nmi.h
node.h
nodemask.h
nospec.h
notifier.h
ns_common.h
nsc_gpio.h
nsproxy.h
ntb.h
ntb_transport.h
nubus.h
numa.h
nvme-fc-driver.h
nvme-fc.h
nvme-rdma.h
nvme-tcp.h
nvme.h
nvmem-consumer.h
nvmem-provider.h
nvram.h
objagg.h
objtool.h
of.h of: linux/of.h: fix kernel-doc warnings 2021-04-21 10:24:41 -05:00
of_address.h
of_clk.h
of_device.h
of_dma.h
of_fdt.h
of_gpio.h
of_graph.h
of_iommu.h
of_irq.h
of_mdio.h
of_net.h of: net: pass the dst buffer to of_get_mac_address() 2021-04-13 14:35:02 -07:00
of_pci.h
of_pdt.h
of_platform.h
of_reserved_mem.h
oid_registry.h Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2021-04-26 08:51:23 -07:00
olpc-ec.h
omap-dma.h
omap-gpmc.h
omap-iommu.h
omap-mailbox.h
omapfb.h
once.h
oom.h
openvswitch.h
osq_lock.h
overflow.h
packing.h
padata.h
page-flags-layout.h include/linux/page-flags-layout.h: cleanups 2021-04-30 11:20:42 -07:00
page-flags.h
page-isolation.h
page_counter.h
page_ext.h
page_idle.h
page_owner.h
page_ref.h
page_reporting.h
pageblock-flags.h
pagemap.h mm/filemap: fix readahead return types 2021-05-14 19:41:32 -07:00
pagevec.h
pagewalk.h pagewalk: prefix struct kernel-doc descriptions 2021-04-30 11:20:41 -07:00
parman.h
parport.h
parport_pc.h
parser.h
part_stat.h
pata_arasan_cf_data.h
patchkey.h
path.h
pch_dma.h
pci-acpi.h
pci-ats.h
pci-dma-compat.h
pci-ecam.h PCI: tegra: Add Tegra194 MCFG quirks for ECAM errata 2021-04-16 11:34:17 -05:00
pci-ep-cfs.h
pci-epc.h
pci-epf.h
pci-p2pdma.h
pci.h PCI: Add support for dev_groups to struct pci_driver 2021-05-19 23:50:27 -04:00
pci_hotplug.h
pci_ids.h
pcs-lynx.h
pda_power.h
pe.h
percpu-defs.h
percpu-refcount.h
percpu-rwsem.h
percpu.h
percpu_counter.h
perf_event.h ARM: 2021-05-01 10:14:08 -07:00
perf_regs.h
personality.h
pfn.h
pfn_t.h
pgtable.h include/linux/pgtable.h: few spelling fixes 2021-05-07 00:26:34 -07:00
phonet.h
phy.h net: phy: genphy_loopback: add link speed configuration 2021-04-20 16:08:02 -07:00
phy_fixed.h
phy_led_triggers.h
phylink.h
pid.h
pid_namespace.h
pim.h
pipe_fs_i.h
pkeys.h
pktcdvd.h
pl320-ipc.h
pl353-smc.h
platform_device.h
platform_profile.h
pldmfw.h
plist.h
pm-trace.h
pm.h PM: runtime: Fix unpaired parent child_count for force_resume 2021-05-10 19:14:01 +02:00
pm2301_charger.h
pm_clock.h
pm_domain.h
pm_opp.h
pm_qos.h
pm_runtime.h PM: runtime: Replace inline function pm_runtime_callbacks_present() 2021-04-08 19:14:46 +02:00
pm_wakeirq.h
pm_wakeup.h
pmbus.h
pmu.h
pnfs_osd_xdr.h
pnp.h
poison.h
poll.h
posix-clock.h
posix-timers.h
posix_acl.h
posix_acl_xattr.h
power_supply.h power supply and reset changes for the v5.13 series 2021-04-28 15:43:58 -07:00
powercap.h
ppp-comp.h
ppp_channel.h
ppp_defs.h
pps_kernel.h
pr.h
prandom.h
preempt.h
prefetch.h
prime_numbers.h
printk.h
proc_fs.h proc: mandate ->proc_lseek in "struct proc_ops" 2021-05-06 19:24:11 -07:00
proc_ns.h
processor.h
profile.h linux/profile.h: remove unnecessary declaration 2021-05-06 19:24:11 -07:00
projid.h
property.h
pruss_driver.h
psci.h
pseudo_fs.h
psi.h
psi_types.h
psp-sev.h KVM: SVM: Add support for KVM_SEV_SEND_CANCEL command 2021-04-21 12:20:04 -04:00
psp-tee.h
pstore.h
pstore_blk.h
pstore_ram.h
pstore_zone.h
ptdump.h
pti.h
ptp_classify.h
ptp_clock_kernel.h
ptp_kvm.h ptp: Reorganize ptp_kvm.c to make it arch-independent 2021-04-07 16:33:07 +01:00
ptp_pch.h
ptr_ring.h
ptrace.h
purgatory.h
pvclock_gtod.h
pwm.h pwm: Clarify which state pwm_get_state() returns 2021-04-09 14:17:03 +02:00
pwm_backlight.h
pxa2xx_ssp.h
pxa168_eth.h
qcom-geni-se.h Merge branch 'opp/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm 2021-04-12 14:49:31 +02:00
qcom_scm.h
qnx6_fs.h
quota.h
quotaops.h
radix-tree.h
raid_class.h
ramfs.h
random.h
randomize_kstack.h stack: Replace "o" output with "r" input constraint 2021-05-11 09:56:11 +02:00
range.h
ras.h
ratelimit.h
ratelimit_types.h
rational.h
rbtree.h
rbtree_augmented.h
rbtree_latch.h
rcu_node_tree.h
rcu_segcblist.h
rcu_sync.h
rculist.h
rculist_bl.h
rculist_nulls.h
rcupdate.h RCU changes for this cycle were: 2021-04-28 12:00:13 -07:00
rcupdate_trace.h
rcupdate_wait.h
rcutiny.h
rcutree.h
rcuwait.h
reboot-mode.h
reboot.h
reciprocal_div.h
refcount.h
regmap.h
regset.h
relay.h
remoteproc.h
resctrl.h
reset-controller.h
reset.h pci-v5.13-changes 2021-05-05 13:24:11 -07:00
resource.h
resource_ext.h
restart_block.h
rfkill.h
rhashtable-types.h
rhashtable.h
ring_buffer.h
rio.h
rio_drv.h
rio_ids.h
rio_regs.h
rmap.h
rmi.h
rndis.h
rodata_test.h
root_dev.h
rpmsg.h
rslib.h
rtc.h
rtmutex.h
rtnetlink.h
rtsx_common.h
rtsx_pci.h
rtsx_usb.h
rwlock.h
rwlock_api_smp.h
rwlock_types.h
rwsem.h
s3c_adc_battery.h
sbitmap.h
scatterlist.h
scc.h
sched.h mm cma: rename PF_MEMALLOC_NOCMA to PF_MEMALLOC_PIN 2021-05-05 11:27:26 -07:00
sched_clock.h
scmi_protocol.h
scpi_protocol.h
screen_info.h
scs.h
sctp.h
scx200.h
scx200_gpio.h
sdb.h
seccomp.h
securebits.h
security.h Add Landlock, a new LSM from Mickaël Salaün <mic@linux.microsoft.com> 2021-05-01 18:50:44 -07:00
sed-opal.h
seg6.h
seg6_genl.h
seg6_hmac.h
seg6_iptunnel.h
seg6_local.h
selection.h
sem.h
semaphore.h
seq_buf.h
seq_file.h seq_file: Add a seq_bprintf function 2021-04-27 15:50:15 -07:00
seq_file_net.h
seqlock.h
seqno-fence.h
serdev.h
serial.h
serial_8250.h
serial_bcm63xx.h
serial_core.h serial: do not restore interrupt state in sysrq helper 2021-04-22 12:04:26 +02:00
serial_max3100.h
serial_s3c.h
serial_sci.h
serio.h
set_memory.h
sfp.h phy: sfp: add netlink SFP support to generic SFP code 2021-04-11 16:34:56 -07:00
sh_clk.h
sh_dma.h
sh_eth.h
sh_intc.h
sh_timer.h
shdma-base.h
shm.h
shmem_fs.h
shrinker.h mm: vmscan: use a new flag to indicate shrinker is registered 2021-05-05 11:27:23 -07:00
signal.h Merge branch 'for-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2021-05-21 06:12:52 -10:00
signal_types.h
signalfd.h
siox.h
siphash.h
sizes.h
skb_array.h
skbuff.h
skmsg.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-04-25 18:02:32 -07:00
slab.h
slab_def.h
slimbus.h
slub_def.h
sm501-regs.h
sm501.h
smc91x.h
smc911x.h
smp.h A set of locking related fixes and updates: 2021-05-09 13:07:03 -07:00
smp_types.h
smpboot.h
smsc911x.h
smscphy.h
sock_diag.h
socket.h net: Fix typo in comment about ancillary data 2021-04-26 13:04:19 -07:00
sockptr.h
sonet.h
sony-laptop.h
sonypi.h
sort.h
sound.h
soundcard.h
spinlock.h
spinlock_api_smp.h
spinlock_api_up.h
spinlock_types.h
spinlock_types_up.h
spinlock_up.h
splice.h
spmi.h
sram.h
srcu.h
srcutiny.h
srcutree.h
ssbi.h
stackdepot.h
stackleak.h
stackprotector.h
stacktrace.h
start_kernel.h
stat.h
statfs.h fs: introduce a wrapper uuid_to_fsid() 2021-04-19 16:03:15 +02:00
static_call.h Locking changes for this cycle were: 2021-04-28 12:37:53 -07:00
static_call_types.h
static_key.h
stddef.h
stm.h
stmmac.h net: stmmac: Add HW descriptor prefetch setting for DWMAC Core 5.20 onwards 2021-04-22 15:02:40 -07:00
stmp3xxx_rtc_wdt.h
stmp_device.h
stop_machine.h
string.h
string_helpers.h
stringhash.h
stringify.h
sungem_phy.h
sunserialcore.h
sunxi-rsb.h
superhyway.h
surface_acpi_notify.h
suspend.h
svga.h
sw842.h
swab.h
swait.h
swap.h include: remove pagemap.h from blkdev.h 2021-05-06 19:24:11 -07:00
swap_cgroup.h
swap_slots.h
swapfile.h
swapops.h
swiotlb.h
switchtec.h
sxgbe_platform.h
sync_core.h
sync_file.h
synclink.h
sys.h
sys_soc.h
syscall_user_dispatch.h
syscalls.h Add Landlock, a new LSM from Mickaël Salaün <mic@linux.microsoft.com> 2021-05-01 18:50:44 -07:00
syscore_ops.h
sysctl.h
sysfs.h
syslog.h
sysrq.h
sysv_fs.h
t10-pi.h
task_io_accounting.h
task_io_accounting_ops.h
task_work.h task_work: add helper for more targeted task_work canceling 2021-04-11 19:30:25 -06:00
taskstats_kern.h
tboot.h
tc.h
tca6416_keypad.h
tcp.h
tee_drv.h
textsearch.h
textsearch_fsm.h
tfrc.h
thermal.h thermal/core: Remove thermal_notify_framework 2021-04-22 13:14:09 +02:00
thread_info.h
threads.h
thunderbolt.h
ti-emif-sram.h
ti_wilink_st.h
tick.h
tifm.h
timb_dma.h
timb_gpio.h
time.h
time32.h
time64.h
time_namespace.h
timecounter.h time/timecounter: Mark 1st argument of timecounter_cyc2time() as const 2021-04-16 21:03:50 +02:00
timekeeper_internal.h
timekeeping.h time: Add mechanism to recognize clocksource in time_get_snapshot 2021-04-07 16:33:20 +01:00
timer.h
timerfd.h
timeriomem-rng.h
timerqueue.h
timex.h
tnum.h
topology.h
torture.h
toshiba.h
tpm.h security: keys: trusted: Make sealed key properly interoperable 2021-04-14 16:30:30 +03:00
tpm_command.h
tpm_eventlog.h
trace.h
trace_clock.h
trace_events.h
trace_recursion.h
trace_seq.h
tracefs.h
tracehook.h
tracepoint-defs.h
tracepoint.h
transport_class.h
ts-nbus.h
tsacct_kern.h
tty.h tty: clean include/linux/tty.h up 2021-04-15 10:32:17 +02:00
tty_driver.h tty: fix return value for unsupported ioctls 2021-04-10 10:36:34 +02:00
tty_flip.h
tty_ldisc.h
typecheck.h
types.h
u64_stats_sync.h
uacce.h
uaccess.h
ucb1400.h
ucs2_string.h
udp.h
uidgid.h
uio.h iov_iter: Four fixes for ITER_XARRAY 2021-04-26 22:55:12 +01:00
uio_driver.h
umh.h
unicode.h
units.h
uprobes.h
usb.h usb: Iterator for ports 2021-04-09 16:00:00 +02:00
usb_usual.h
usbdevice_fs.h
user-return-notifier.h
user.h
user_namespace.h \n 2021-04-29 11:06:13 -07:00
userfaultfd_k.h userfaultfd: add UFFDIO_CONTINUE ioctl 2021-05-05 11:27:22 -07:00
usermode_driver.h
util_macros.h
uts.h
utsname.h
uuid.h
vbox_utils.h
vdpa.h vdpa: add get_config_size callback in vdpa_config_ops 2021-05-03 04:55:53 -04:00
verification.h
vermagic.h
vexpress.h
vfio.h
vfs.h
vga_switcheroo.h
vgaarb.h
vhost_iotlb.h
via-core.h
via-gpio.h
via.h
via_i2c.h
videodev2.h
virtio.h
virtio_byteorder.h
virtio_caif.h
virtio_config.h
virtio_console.h
virtio_dma_buf.h
virtio_net.h
virtio_pci_modern.h virtio_pci_modern: correct sparse tags for notify 2021-05-04 04:19:59 -04:00
virtio_ring.h
virtio_vsock.h
visorbus.h
vlynq.h
vm_event_item.h x86/mm: track linear mapping split events 2021-05-05 11:27:25 -07:00
vmacache.h
vmalloc.h mm: fix typos in comments 2021-05-07 00:26:35 -07:00
vme.h
vmpressure.h
vmstat.h mm: page-writeback: simplify memcg handling in test_clear_page_writeback() 2021-04-30 11:20:37 -07:00
vmw_vmci_api.h
vmw_vmci_defs.h
vringh.h vringh: add vringh_kiov_length() helper 2021-05-03 04:55:53 -04:00
vt.h
vt_buffer.h
vt_kern.h
vtime.h sched/vtime: Move guest enter/exit vtime accounting to vtime.h 2021-05-05 22:54:11 +02:00
w1-gpio.h
w1.h
wait.h
wait_bit.h
watch_queue.h
watchdog.h
win_minmax.h
wireless.h
wkup_m3_ipc.h
wl12xx.h
wm97xx.h
wmi.h
workqueue.h
writeback.h
ww_mutex.h
wwan.h net: Add a WWAN subsystem 2021-04-16 15:31:02 -07:00
xarray.h
xattr.h
xxhash.h
xz.h
yam.h
z2_battery.h
zbud.h
zconf.h
zlib.h
zorro.h
zpool.h
zsmalloc.h
zstd.h
zutil.h