Peter Xu 2bad466cc9 mm/uffd: UFFD_FEATURE_WP_UNPOPULATED ... Patch series "mm/uffd: Add feature bit UFFD_FEATURE_WP_UNPOPULATED", v4. The new feature bit makes anonymous memory acts the same as file memory on userfaultfd-wp in that it'll also wr-protect none ptes. It can be useful in two cases: (1) Uffd-wp app that needs to wr-protect none ptes like QEMU snapshot, so pre-fault can be replaced by enabling this flag and speed up protections (2) It helps to implement async uffd-wp mode that Muhammad is working on [1] It's debatable whether this is the most ideal solution because with the new feature bit set, wr-protect none pte needs to pre-populate the pgtables to the last level (PAGE_SIZE). But it seems fine so far to service either purpose above, so we can leave optimizations for later. The series brings pte markers to anonymous memory too. There's some change in the common mm code path in the 1st patch, great to have some eye looking at it, but hopefully they're still relatively straightforward. This patch (of 2): This is a new feature that controls how uffd-wp handles none ptes. When it's set, the kernel will handle anonymous memory the same way as file memory, by allowing the user to wr-protect unpopulated ptes. File memories handles none ptes consistently by allowing wr-protecting of none ptes because of the unawareness of page cache being exist or not. For anonymous it was not as persistent because we used to assume that we don't need protections on none ptes or known zero pages. One use case of such a feature bit was VM live snapshot, where if without wr-protecting empty ptes the snapshot can contain random rubbish in the holes of the anonymous memory, which can cause misbehave of the guest when the guest OS assumes the pages should be all zeros. QEMU worked it around by pre-populate the section with reads to fill in zero page entries before starting the whole snapshot process [1]. Recently there's another need raised on using userfaultfd wr-protect for detecting dirty pages (to replace soft-dirty in some cases) [2]. In that case if without being able to wr-protect none ptes by default, the dirty info can get lost, since we cannot treat every none pte to be dirty (the current design is identify a page dirty based on uffd-wp bit being cleared). In general, we want to be able to wr-protect empty ptes too even for anonymous. This patch implements UFFD_FEATURE_WP_UNPOPULATED so that it'll make uffd-wp handling on none ptes being consistent no matter what the memory type is underneath. It doesn't have any impact on file memories so far because we already have pte markers taking care of that. So it only affects anonymous. The feature bit is by default off, so the old behavior will be maintained. Sometimes it may be wanted because the wr-protect of none ptes will contain overheads not only during UFFDIO_WRITEPROTECT (by applying pte markers to anonymous), but also on creating the pgtables to store the pte markers. So there's potentially less chance of using thp on the first fault for a none pmd or larger than a pmd. The major implementation part is teaching the whole kernel to understand pte markers even for anonymously mapped ranges, meanwhile allowing the UFFDIO_WRITEPROTECT ioctl to apply pte markers for anonymous too when the new feature bit is set. Note that even if the patch subject starts with mm/uffd, there're a few small refactors to major mm path of handling anonymous page faults. But they should be straightforward. With WP_UNPOPUATED, application like QEMU can avoid pre-read faults all the memory before wr-protect during taking a live snapshot. Quotting from Muhammad's test result here [3] based on a simple program [4]: (1) With huge page disabled echo madvise > /sys/kernel/mm/transparent_hugepage/enabled ./uffd_wp_perf Test DEFAULT: 4 Test PRE-READ: 1111453 (pre-fault 1101011) Test MADVISE: 278276 (pre-fault 266378) Test WP-UNPOPULATE: 11712 (2) With Huge page enabled echo always > /sys/kernel/mm/transparent_hugepage/enabled ./uffd_wp_perf Test DEFAULT: 4 Test PRE-READ: 22521 (pre-fault 22348) Test MADVISE: 4909 (pre-fault 4743) Test WP-UNPOPULATE: 14448 There'll be a great perf boost for no-thp case, while for thp enabled with extreme case of all-thp-zero WP_UNPOPULATED can be slower than MADVISE, but that's low possibility in reality, also the overhead was not reduced but postponed until a follow up write on any huge zero thp, so potentially it is faster by making the follow up writes slower. [1] https://lore.kernel.org/all/20210401092226.102804-4-andrey.gruzdev@virtuozzo.com/ [2] https://lore.kernel.org/all/Y+v2HJ8+3i%2FKzDBu@x1n/ [3] https://lore.kernel.org/all/d0eb0a13-16dc-1ac1-653a-78b7273781e3@collabora.com/ [4] https://github.com/xzpeter/clibs/blob/master/uffd-test/uffd-wp-perf.c [peterx@redhat.com: comment changes, oneliner fix to khugepaged] Link: https://lkml.kernel.org/r/ZB2/8jPhD3fpx5U8@x1n Link: https://lkml.kernel.org/r/20230309223711.823547-1-peterx@redhat.com Link: https://lkml.kernel.org/r/20230309223711.823547-2-peterx@redhat.com Signed-off-by: Peter Xu <peterx@redhat.com> Acked-by: David Hildenbrand <david@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Axel Rasmussen <axelrasmussen@google.com> Cc: Mike Rapoport <rppt@linux.vnet.ibm.com> Cc: Muhammad Usama Anjum <usama.anjum@collabora.com> Cc: Nadav Amit <nadav.amit@gmail.com> Cc: Paul Gofman <pgofman@codeweavers.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>		2023-04-05 19:42:44 -07:00
..
amba
atomic
avf
bcma
byteorder
can	can: bittiming: can_calc_bittiming(): add missing parameter to no-op function	2023-02-08 21:53:24 +01:00
ceph
clk
comedi
crush
decompress
device	driver core: bus: add bus_get_dev_root() function	2023-02-10 10:16:42 +01:00
dma	dmaengine updates for v6.3	2023-02-24 17:18:54 -08:00
dsa
extcon
firmware	ARM: SoC drivers for 6.3	2023-02-27 10:04:49 -08:00
fpga
fsl
gpio	Core changes:	2023-02-22 11:05:56 -08:00
greybus
hsi
i3c	i3c: fix device.h kernel-doc warnings	2023-02-16 13:42:22 +01:00
iio
input
irqchip
isdn
lockd	lockd: set file_lock start and end when decoding nlm4 testargs	2023-03-14 14:00:55 -04:00
mailbox
mdio	net: dsa: seville: ignore mscc-miim read errors from Lynx PCS	2023-02-26 18:31:37 +00:00
mfd	We have one small patch to the clk core this time around. It fixes a corner	2023-02-25 15:16:23 -08:00
mlx4	v6.3 RDMA pull request	2023-02-24 15:11:03 -08:00
mlx5	v6.3 RDMA pull request	2023-02-24 15:11:03 -08:00
mmc	MMC core:	2023-02-27 09:47:26 -08:00
mtd	This pull request contains updates for JFFS2, UBI and UBIFS	2023-03-01 09:06:51 -08:00
mux
net/intel
netfilter
netfilter_arp
netfilter_bridge
netfilter_ipv4
netfilter_ipv6
pcs
perf	ARM:	2023-02-25 11:30:21 -08:00
phy
pinctrl	I2C for 6.3:	2023-02-24 17:12:23 -08:00
platform_data	Input updates for 6.3 merge window:	2023-02-25 15:01:32 -08:00
power
pse-pd
qed
raid
regulator
remoteproc
reset
rpmsg	rpmsg: glink: smem: Wrap driver context	2023-02-14 08:19:38 -08:00
rtc
sched	lazy tlb: allow lazy tlb mm refcounting to be configurable	2023-03-28 16:20:08 -07:00
soc	ARM: SoC drivers for 6.3	2023-02-27 10:04:49 -08:00
soundwire	soundwire updates for 6.3	2023-02-24 17:29:52 -08:00
spi	Driver core changes for 6.3-rc1	2023-02-24 12:58:55 -08:00
ssb
sunrpc	SUNRPC: Remove ->xpo_secure_port()	2023-02-20 09:20:55 -05:00
surface_aggregator	Driver core changes for 6.3-rc1	2023-02-24 12:58:55 -08:00
ulpi
unaligned
usb	USB / Thunderbolt driver changes for 6.3-rc1	2023-02-24 12:07:00 -08:00
8250_pci.h
acct.h
acpi.h	Driver core changes for 6.3-rc1	2023-02-24 12:58:55 -08:00
acpi_agdi.h
acpi_apmt.h
acpi_dma.h
acpi_iort.h
acpi_mdio.h	net: mdio: fix owner field for mdio buses registered using ACPI	2023-03-19 10:48:35 +00:00
acpi_pmtmr.h
acpi_viot.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
altera_jtaguart.h
altera_uart.h
amd-iommu.h
amd-pstate.h
anon_inodes.h
aperture.h
apm-emulation.h
apm_bios.h
apple-gmux.h
apple-mailbox.h
apple_bl.h
arch_topology.h
arm-cci.h
arm-smccc.h
arm_ffa.h
arm_sdei.h
armada-37xx-rwtm-mailbox.h
ascii85.h
asn1.h
asn1_ber_bytecode.h
asn1_decoder.h
asn1_encoder.h
assoc_array.h
assoc_array_priv.h
async.h
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.h
attribute_container.h
audit.h	fanotify,audit: Allow audit to use the full permission event response	2023-02-07 12:53:53 +01:00
audit_arch.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
base64.h
bcd.h	include/linux/bcd.h: provide bcd_is_valid() helper	2023-02-09 23:01:49 +01:00
bch.h
bcm47xx_nvram.h
bcm47xx_sprom.h
bcm47xx_wdt.h
bcm963xx_nvram.h
bcm963xx_tag.h
binfmts.h
bio.h	block: export bio_split_rw	2023-02-15 19:38:50 +01:00
bit_spinlock.h
bitfield.h
bitmap.h
bitops.h
bitrev.h
bits.h
blk-cgroup.h
blk-crypto-profile.h
blk-crypto.h
blk-integrity.h
blk-mq-pci.h
blk-mq-rdma.h
blk-mq-virtio.h
blk-mq.h	block: do not reverse request order when flushing plug list	2023-03-14 09:25:50 -06:00
blk-pm.h
blk_types.h
blkdev.h	block: count 'ios' and 'sectors' when io is done for bio-based device	2023-03-15 09:25:04 -06:00
blkpg.h
blktrace_api.h
blockgroup_lock.h
bma150.h
bootconfig.h	bootconfig: Increase max nodes of bootconfig from 1024 to 8192 for DCC support	2023-02-22 08:27:49 +09:00
bootmem_info.h
bottom_half.h
bpf-cgroup-defs.h
bpf-cgroup.h
bpf-netns.h
bpf.h	bpf: Zeroing allocated object from slab in bpf memory allocator	2023-02-15 15:40:06 -08:00
bpf_lirc.h
bpf_local_storage.h
bpf_lsm.h
bpf_mem_alloc.h
bpf_trace.h
bpf_types.h
bpf_verifier.h	bpf: Migrate release_on_unlock logic to non-owning ref semantics	2023-02-13 13:37:37 -08:00
bpfilter.h
bpfptr.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
bug.h
build-salt.h
build_bug.h
buildid.h
bvec.h
c2port.h
cache.h
cacheflush.h
cacheinfo.h
capability.h	capability: just use a 'u64' instead of a 'u32[2]' array	2023-03-01 10:01:22 -08:00
cb710.h
cc_platform.h
cciss_ioctl.h
ccp.h
cdev.h
cdrom.h
cfag12864b.h
cfi.h
cfi_types.h
cgroup-defs.h
cgroup.h
cgroup_api.h
cgroup_rdma.h
cgroup_refcnt.h
cgroup_subsys.h
circ_buf.h
clk-provider.h	clk: Avoid invalid function names in CLK_OF_DECLARE()	2023-03-09 15:40:49 -08:00
clk.h
clkdev.h
clockchips.h
clocksource.h
clocksource_ids.h
cm4000_cs.h
cma.h
cn_proc.h
cnt32_to_63.h
coda.h
compaction.h
compat.h
compiler-clang.h
compiler-gcc.h
compiler-version.h
compiler.h
compiler_attributes.h	Remove Intel compiler support	2023-03-05 10:49:37 -08:00
compiler_types.h	Remove Intel compiler support	2023-03-05 10:49:37 -08:00
completion.h
component.h
configfs.h
connector.h
console.h	TTY/Serial driver updates for 6.3-rc1	2023-02-24 12:17:14 -08:00
console_struct.h
consolemap.h
const.h
container.h
container_of.h
context_tracking.h	entry: Fix noinstr warning in __enter_from_user_mode()	2023-03-21 11:53:16 +01:00
context_tracking_irq.h
context_tracking_state.h	entry: Fix noinstr warning in __enter_from_user_mode()	2023-03-21 11:53:16 +01:00
cookie.h
cordic.h
coredump.h
coresight-pmu.h
coresight-stm.h
coresight.h
count_zeros.h
counter.h
cper.h
cpu.h
cpu_cooling.h
cpu_pm.h
cpu_rmap.h
cpufeature.h
cpufreq.h	cpufreq: Make cpufreq_unregister_driver() return void	2023-02-09 20:19:18 +01:00
cpuhotplug.h	ARM:	2023-02-25 11:30:21 -08:00
cpuidle.h
cpuidle_haltpoll.h
cpumask.h	Fixes for 6.3-rc3:	2023-03-25 12:57:34 -07:00
cpumask_api.h
cpuset.h
crash_core.h
crash_dump.h
crc-ccitt.h
crc-itu-t.h
crc-t10dif.h
crc4.h
crc7.h
crc8.h
crc16.h
crc32.h
crc32c.h
crc32poly.h
crc64.h
cred.h
crypto.h	crypto: api - Remove completion function scaffolding	2023-02-13 18:35:15 +08:00
cs5535.h
ctype.h
cuda.h
damon.h
dasd_mod.h
davinci_emac.h
dax.h	dax/hmem: Move hmem device registration to dax_hmem.ko	2023-02-10 17:33:34 -08:00
dca.h
dcache.h
dccp.h
debug_locks.h
debugfs.h
debugobjects.h
delay.h
delayacct.h
delayed_call.h
dev_printk.h
devcoredump.h
devfreq-event.h
devfreq.h
devfreq_cooling.h
device-mapper.h	dm: correct block comments format.	2023-02-14 14:23:06 -05:00
device.h	driver core: fw_devlink: Add DL_FLAG_CYCLE support to device links	2023-02-08 13:37:54 +01:00
device_cgroup.h
devm-helpers.h
devpts_fs.h
dfl.h
digsig.h
dim.h
dio.h
dirent.h
dlm.h
dlm_plock.h
dm-bufio.h	dm: change "unsigned" to "unsigned int"	2023-02-14 14:23:06 -05:00
dm-dirty-log.h	dm: correct block comments format.	2023-02-14 14:23:06 -05:00
dm-io.h	dm: change "unsigned" to "unsigned int"	2023-02-14 14:23:06 -05:00
dm-kcopyd.h	dm: change "unsigned" to "unsigned int"	2023-02-14 14:23:06 -05:00
dm-region-hash.h	dm: correct block comments format.	2023-02-14 14:23:06 -05:00
dm-verity-loadpin.h
dm9000.h
dma-buf.h
dma-direct.h
dma-direction.h
dma-fence-array.h
dma-fence-chain.h
dma-fence-unwrap.h
dma-fence.h
dma-heap.h
dma-map-ops.h	dma-mapping: no need to pass a bus_type into get_arch_dma_ops()	2023-02-15 12:35:20 +01:00
dma-mapping.h
dma-resv.h
dmaengine.h	dmaengine updates for v6.3	2023-02-24 17:18:54 -08:00
dmapool.h
dmar.h
dmi.h
dnotify.h
dns_resolver.h
dqblk_qtree.h
dqblk_v1.h
dqblk_v2.h
drbd.h
drbd_config.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
dynamic_queue_limits.h
earlycpio.h
ecryptfs.h
edac.h
edd.h
eeprom_93cx6.h
eeprom_93xx46.h
efi-bgrt.h
efi.h	efi: earlycon: Reprobe after parsing config tables	2023-03-13 23:28:43 +01:00
efi_embedded_fw.h
efs_vh.h
eisa.h
elf-fdpic.h
elf-randomize.h
elf.h
elfcore-compat.h
elfcore.h
elfnote-lto.h
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	net: add helper eth_addr_add()	2023-02-06 19:06:58 +01:00
ethtool.h	net: ethtool: extend ringparam set/get APIs for rx_push	2023-02-13 11:05:12 +00:00
ethtool_netlink.h
eventfd.h
eventpoll.h
evm.h
export-internal.h
export.h
exportfs.h	flexible-array transformations for 6.3-rc1	2023-02-25 12:53:42 -08:00
ext2_fs.h
extable.h
extcon-provider.h
extcon.h
f2fs_fs.h
f75375s.h
falloc.h
fanotify.h	fanotify: define struct members to hold response decision context	2023-02-07 12:53:53 +01:00
fault-inject-usercopy.h
fault-inject.h
fb.h	Merge drm/drm-fixes into drm-misc-fixes	2023-03-13 10:14:05 +01:00
fbcon.h
fcdevice.h
fcntl.h
fd.h
fddidevice.h
fdtable.h
fec.h
fiemap.h
file.h
fileattr.h
filelock.h
filter.h
find.h	cpumask: introduce for_each_cpu_or	2023-03-19 10:02:04 -07:00
fips.h
firewire.h	Driver core changes for 6.3-rc1	2023-02-24 12:58:55 -08:00
firmware-map.h
firmware.h
fixp-arith.h
flat.h
flex_proportions.h
font.h
fortify-string.h
fprobe.h
freelist.h
freezer.h
frontswap.h
fs.h	- Daniel Verkamp has contributed a memfd series ("mm/memfd: add	2023-02-23 17:09:35 -08:00
fs_api.h
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.h
fscrypt.h	fsverity updates for 6.3	2023-02-20 12:33:41 -08:00
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	driver core: fw_devlink: Consolidate device link flag computation	2023-02-08 13:37:54 +01:00
fwnode_mdio.h
gameport.h
gcd.h
genalloc.h
generic-radix-tree.h
genetlink.h
genl_magic_func.h
genl_magic_struct.h
getcpu.h
gfp.h
gfp_api.h
gfp_types.h	kasan: remove PG_skip_kasan_poison flag	2023-03-28 16:20:16 -07:00
glob.h
gnss.h
goldfish.h
gpio-pxa.h
gpio.h
gpio_keys.h
greybus.h
group_cpus.h
hardirq.h
hash.h
hashtable.h
hashtable_api.h
hdlc.h
hdlcdrv.h
hdmi.h
hid-debug.h
hid-roccat.h
hid-sensor-hub.h
hid-sensor-ids.h
hid.h	HID: core: Provide new max_buffer_size attribute to over-ride the default	2023-02-23 11:51:56 +01:00
hid_bpf.h
hidden.h
hiddev.h
hidraw.h
highmem-internal.h	highmem: Enhance is_kmap_addr() to check kmap_local_page() mappings	2023-02-13 14:16:35 +01:00
highmem.h	kasan: call clear_page with a match-all tag instead of changing page tag	2023-03-28 16:20:09 -07:00
highuid.h
hil.h
hil_mlc.h
hippidevice.h
hisi_acc_qm.h	Char/Misc and other driver subsystem changes for 6.3-rc1	2023-02-24 12:47:33 -08:00
hmm.h
host1x.h
host1x_context_bus.h
hp_sdc.h
hpet.h
hrtimer.h
hrtimer_api.h
hrtimer_defs.h
hte.h
huge_mm.h	mm/thp: rename TRANSPARENT_HUGEPAGE_NEVER_DAX to _UNSUPPORTED	2023-03-28 16:20:18 -07:00
hugetlb.h	- Daniel Verkamp has contributed a memfd series ("mm/memfd: add	2023-02-23 17:09:35 -08:00
hugetlb_cgroup.h	mm/hugetlb: increase use of folios in alloc_huge_page()	2023-02-13 15:54:27 -08:00
hugetlb_inline.h
hw_breakpoint.h
hw_random.h
hwmon-sysfs.h
hwmon-vid.h
hwmon.h	hwmon: Deprecate [devm_]hwmon_device_register_with_groups	2023-02-16 11:34:19 -08:00
hwspinlock.h
hyperv.h	Driver core changes for 6.3-rc1	2023-02-24 12:58:55 -08:00
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: Switch .probe() to not take an id parameter	2023-03-09 21:59:11 +01:00
i8042.h
i8253.h
icmp.h
icmpv6.h
idle_inject.h
idr.h
ieee80211.h	wifi: brcmfmac: p2p: Introduce generic flexible array frame member	2023-02-16 09:33:25 +01:00
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	integrity-v6.3	2023-02-22 12:36:25 -08:00
imx-media.h
in.h
in6.h
indirect_call_wrapper.h
inet.h
inet_diag.h
inetdevice.h
init.h
init_ohci1394_dma.h
init_syscalls.h
init_task.h
initrd.h
inotify.h
input.h
instruction_pointer.h
instrumentation.h
instrumented.h
integrity.h
intel-ish-client-if.h
intel_rapl.h
intel_tcc.h
intel_th.h
intel_tpmi.h	platform/x86/intel/tpmi: ADD tpmi external interface for tpmi feature drivers	2023-02-06 13:47:40 +01:00
interconnect-provider.h	interconnect: fix provider registration API	2023-03-07 22:19:05 +02:00
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	io-mapping: don't disable preempt on RT in io_mapping_map_atomic_wc().	2023-03-28 16:20:16 -07:00
io-pgtable.h
io.h
io_uring.h	block/io_uring: pass in issue_flags for uring_cmd task_work handling	2023-03-20 20:01:25 -06:00
io_uring_types.h	io_uring: rename 'in_idle' to 'in_cancel'	2023-02-22 09:57:23 -07:00
ioam6.h
ioam6_genl.h
ioam6_iptunnel.h
ioasid.h
iocontext.h
iomap.h	New code for 6.3:	2023-02-22 13:50:13 -08:00
iommu-helper.h
iommu.h	iommufd for 6.3	2023-02-24 14:34:12 -08:00
iommufd.h
iopoll.h
ioport.h
ioprio.h
iosys-map.h
iova.h
iova_bitmap.h
ip.h
ipack.h
ipc.h
ipc_namespace.h
ipmi.h
ipmi_smi.h
ipv6.h
ipv6_route.h
irq.h
irq_poll.h
irq_sim.h
irq_work.h
irqbypass.h
irqchip.h
irqdesc.h
irqdomain.h	iommufd for 6.3	2023-02-24 14:34:12 -08:00
irqdomain_defs.h
irqflags.h
irqhandler.h
irqnr.h
irqreturn.h
isa-dma.h
isa.h
isapnp.h
iscsi_boot_sysfs.h
iscsi_ibft.h
ism.h
iversion.h
jbd2.h	Bug fixes and regressions for ext4, the most serious of which is a	2023-03-12 08:55:55 -07:00
jhash.h
jiffies.h
journal-head.h
joystick.h
jump_label.h
jump_label_ratelimit.h
jz4740-adc.h
jz4780-nemc.h
kallsyms.h
kasan-checks.h
kasan-enabled.h
kasan-tags.h
kasan.h
kbd_diacr.h
kbd_kern.h
kbuild.h
kconfig.h
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	tracing: Always use canonical ftrace path	2023-02-18 14:34:09 -05:00
kernel_read_file.h
kernel_stat.h
kernelcapi.h
kernfs.h
kexec.h
key-type.h
key.h	KEYS: Add new function key_create()	2023-02-13 10:11:20 +02:00
keyboard.h
keyctl.h
kfence.h
kfifo.h
kgdb.h
khugepaged.h
klist.h
kmemleak.h
kmod.h
kmsan-checks.h
kmsan.h
kmsan_string.h
kmsan_types.h
kmsg_dump.h
kobj_map.h
kobject.h
kobject_api.h
kobject_ns.h
kprobes.h	x86/kprobes: Fix arch_check_optimized_kprobe check within optimized_kprobe range	2023-02-21 08:49:16 +09:00
kref.h
kref_api.h
ks0108.h
ks8842.h
ks8851_mll.h
ksm.h
kstrtox.h
kthread.h
ktime.h
ktime_api.h
kvm_dirty_ring.h
kvm_host.h	KVM: update code comment in struct kvm_vcpu	2023-02-07 17:58:19 -08:00
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	cxl/pmem: Fix nvdimm registration races	2023-02-13 17:01:05 -08:00
libps2.h
license.h
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
litex.h
livepatch.h
llc.h
llist.h
llist_api.h
local_lock.h
local_lock_internal.h
lockdep.h	locking/lockdep: Remove lockdep_init_map_crosslock.	2023-02-06 15:31:05 +01:00
lockdep_api.h
lockdep_types.h
lockref.h
log2.h
logic_iomem.h
logic_pio.h
lp.h
lru_cache.h
lsm_audit.h
lsm_hook_defs.h
lsm_hooks.h
lz4.h
lzo.h
mailbox_client.h
mailbox_controller.h
map_benchmark.h
maple.h
maple_tree.h	maple_tree: add mas_init() function	2023-02-09 16:51:30 -08:00
marvell_phy.h
math.h
math64.h
mbcache.h
mbus.h
mc6821.h
mc146818rtc.h
mcb.h
mdev.h
mdio-bitbang.h
mdio-gpio.h
mdio-mux.h
mdio.h	net: phy: add genphy_c45_ethtool_get/set_eee() support	2023-02-13 11:12:31 +00:00
mei_aux.h
mei_cl_bus.h
mem_encrypt.h
memblock.h
memcontrol.h	mm: vmscan: add a map_nr_max field to shrinker_info	2023-03-28 16:20:16 -07:00
memfd.h
memory-tiers.h
memory.h
memory_hotplug.h
mempolicy.h
mempool.h
memregion.h	dax/hmem: Convey the dax range via memregion_info()	2023-02-10 17:33:29 -08:00
memremap.h
memstick.h
mhi.h
mhi_ep.h
micrel_phy.h	net: micrel: Add support for lan8841 PHY	2023-02-08 09:16:07 +00:00
microchipphy.h
migrate.h	include/linux/migrate.h: remove unneeded externs	2023-02-20 12:46:18 -08:00
migrate_mode.h
mii.h
mii_timestamper.h
min_heap.h
minmax.h
misc_cgroup.h
miscdevice.h
mISDNdsp.h
mISDNhw.h
mISDNif.h
mm.h	- Daniel Verkamp has contributed a memfd series ("mm/memfd: add	2023-02-23 17:09:35 -08:00
mm_api.h
mm_inline.h	mm/uffd: UFFD_FEATURE_WP_UNPOPULATED	2023-04-05 19:42:44 -07:00
mm_types.h	- Daniel Verkamp has contributed a memfd series ("mm/memfd: add	2023-02-23 17:09:35 -08:00
mm_types_task.h
mman.h
mmap_lock.h
mmdebug.h
mmiotrace.h
mmu_context.h
mmu_notifier.h
mmzone.h	mm: multi-gen LRU: clean up sysfs code	2023-03-28 16:20:07 -07:00
mnt_idmapping.h
mnt_namespace.h
mod_devicetable.h
module.h	modules-6.3-rc1	2023-02-23 14:05:08 -08:00
module_signature.h
moduleloader.h	Livepatching changes for 6.3	2023-02-23 14:00:10 -08:00
moduleparam.h
most.h
mount.h	Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2023-02-24 19:20:07 -08:00
moxtet.h
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	A set of updates for the interrupt susbsystem:	2023-03-05 11:19:16 -08:00
msi_api.h
mtio.h
mutex.h
mutex_api.h
mv643xx.h
mv643xx_eth.h
mv643xx_i2c.h
mvebu-pmsu.h
mxm-wmi.h
namei.h	NFSD 6.3 Release Notes	2023-02-22 14:21:40 -08:00
nd.h
ndctl.h
net.h
netdev_features.h
netdevice.h	net: tunnels: annotate lockless accesses to dev->needed_headroom	2023-03-15 00:04:04 -07:00
netfilter.h	Merge git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf	2023-02-22 21:25:23 -08:00
netfilter_bridge.h
netfilter_defs.h
netfilter_ipv4.h
netfilter_ipv6.h
netfilter_netdev.h
netfs.h	netfs: Add a function to extract an iterator into a scatterlist	2023-02-20 17:25:43 -06:00
netlink.h
netpoll.h
nfs.h
nfs3.h
nfs4.h
nfs_fs.h	NFS Client Updates for Linux 6.3	2023-02-22 14:47:20 -08:00
nfs_fs_i.h
nfs_fs_sb.h
nfs_iostat.h
nfs_page.h	NFS: Clean up O_DIRECT request allocation	2023-02-14 14:22:33 -05:00
nfs_ssc.h	NFSD: enhance inter-server copy cleanup	2023-02-20 09:20:21 -05:00
nfs_xdr.h
nfsacl.h
nitro_enclaves.h
nl802154.h
nls.h
nmi.h
node.h
nodemask.h
nospec.h	uaccess: Add speculation barrier to copy_from_user()	2023-02-21 14:45:22 -08:00
notifier.h
ns_common.h
nsc_gpio.h
nsproxy.h
ntb.h
ntb_transport.h
nubus.h
numa.h
nvme-auth.h
nvme-fc-driver.h
nvme-fc.h
nvme-rdma.h
nvme-tcp.h	nvme-tcp: fix nvme_tcp_term_pdu to match spec	2023-03-22 09:19:56 +01:00
nvme.h	nvme-trace: show more opcode names	2023-03-15 14:58:52 +01:00
nvmem-consumer.h	nvmem: core: move struct nvmem_cell_info to nvmem-provider.h	2023-02-06 19:06:59 +01:00
nvmem-provider.h	nvmem: core: add nvmem_add_one_cell()	2023-02-06 19:06:59 +01:00
nvram.h
objagg.h
objtool.h	x86/unwind/orc: Add 'signal' field to ORC metadata	2023-02-11 12:37:51 +01:00
of.h	Devicetree updates for v6.3:	2023-02-24 13:31:53 -08:00
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	net: mdio: fix owner field for mdio buses registered using device-tree	2023-03-19 10:48:35 +00:00
of_net.h
of_pci.h
of_pdt.h
of_platform.h
of_reserved_mem.h
oid_registry.h
olpc-ec.h
omap-dma.h
omap-gpmc.h
omap-iommu.h
omap-mailbox.h
omapfb.h
once.h
once_lite.h
oom.h
openvswitch.h
osq_lock.h
overflow.h
packing.h
padata.h
page-flags-layout.h
page-flags.h	kasan: remove PG_skip_kasan_poison flag	2023-03-28 16:20:16 -07:00
page-isolation.h
page_counter.h
page_ext.h
page_idle.h
page_owner.h
page_ref.h
page_reporting.h
page_table_check.h
pageblock-flags.h
pagemap.h	mm: return an ERR_PTR from __filemap_get_folio	2023-04-05 19:42:42 -07:00
pagevec.h
pagewalk.h
panic.h
panic_notifier.h
parman.h
parport.h
parport_pc.h
parser.h
part_stat.h
pata_arasan_cf_data.h
pata_parport.h
patchkey.h
path.h
pch_dma.h
pci-acpi.h
pci-ats.h
pci-doe.h
pci-ecam.h
pci-ep-cfs.h
pci-epc.h	PCI: endpoint: Use link_up() callback in place of LINK_UP notifier	2023-02-14 07:27:32 +09:00
pci-epf.h	PCI: endpoint: Use link_up() callback in place of LINK_UP notifier	2023-02-14 07:27:32 +09:00
pci-p2pdma.h
pci.h	PCI: s390: Fix use-after-free of PCI resources with per-function hotplug	2023-03-13 09:15:11 +01:00
pci_hotplug.h
pci_ids.h	virtio,vhost,vdpa: features, fixes	2023-02-25 11:48:02 -08:00
pcs-altera-tse.h
pcs-lynx.h
pcs-rzn1-miic.h
pe.h
peci-cpu.h
peci.h
percpu-defs.h
percpu-refcount.h
percpu-rwsem.h
percpu.h
percpu_counter.h	pcpcntr: remove percpu_counter_sum_all()	2023-03-19 10:02:04 -07:00
perf_event.h
perf_event_api.h
perf_regs.h
personality.h
pfn.h
pfn_t.h
pgtable.h	mm: add PTE pointer parameter to flush_tlb_fix_spurious_fault()	2023-03-28 16:20:12 -07:00
pgtable_api.h
phonet.h
phy.h	net: phy: do not force EEE support	2023-02-23 13:43:23 +01:00
phy_fixed.h
phy_led_triggers.h
phylink.h
pid.h
pid_namespace.h
pim.h
pipe_fs_i.h	splice: Add a func to do a splice from a buffered file without ITER_PIPE	2023-02-20 17:25:43 -06:00
pkeys.h
pktcdvd.h
pl320-ipc.h
platform_device.h
platform_profile.h
pldmfw.h
plist.h
pm-trace.h
pm.h	PM: Add EXPORT macros for exporting PM functions	2023-02-13 19:17:34 +01:00
pm_clock.h
pm_domain.h
pm_opp.h
pm_qos.h
pm_runtime.h
pm_wakeirq.h
pm_wakeup.h
pmbus.h
pmu.h
pnp.h
poison.h	Networking changes for 6.3.	2023-02-21 18:24:12 -08:00
poll.h
polynomial.h
posix-clock.h
posix-timers.h
posix_acl.h
posix_acl_xattr.h
power_supply.h
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
prmt.h
proc_fs.h
proc_ns.h
processor.h
profile.h
projid.h
property.h
pruss_driver.h
psci.h
pseudo_fs.h
psi.h
psi_types.h
psp-sev.h
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_pch.h
ptr_ring.h
ptrace.h
ptrace_api.h
purgatory.h
pvclock_gtod.h
pwm.h
pwm_backlight.h	backlight: pwm_bl: Drop support for legacy PWM probing	2023-02-22 10:55:22 +00:00
pxa2xx_ssp.h
pxa168_eth.h
qnx6_fs.h
quota.h
quotaops.h
radix-tree.h
raid_class.h
ramfs.h
random.h
randomize_kstack.h
range.h	kernel/range: Uplevel the cxl subsystem's range_contains() helper	2023-02-10 17:32:37 -08:00
ras.h
ratelimit.h
ratelimit_types.h
rational.h
rbtree.h
rbtree_augmented.h
rbtree_latch.h
rbtree_types.h
rcu_node_tree.h
rcu_segcblist.h
rcu_sync.h
rculist.h
rculist_bl.h
rculist_nulls.h
rcupdate.h
rcupdate_trace.h
rcupdate_wait.h
rcutiny.h
rcutree.h
rcuwait.h
rcuwait_api.h
reboot-mode.h
reboot.h
reciprocal_div.h
ref_tracker.h
refcount.h
refcount_api.h
regmap.h	regmap-irq: Remove unused mask_invert flag	2023-02-17 00:08:44 +00:00
regset.h
relay.h
remoteproc.h
resctrl.h
reset-controller.h
reset.h
resource.h
resource_ext.h
restart_block.h
resume_user_mode.h
rethook.h
rfkill.h
rhashtable-types.h
rhashtable.h
ring_buffer.h
rio.h
rio_drv.h
rio_ids.h
rio_regs.h
rmap.h	mm/hwpoison: convert TTU_IGNORE_HWPOISON to TTU_HWPOISON	2023-02-27 17:00:14 -08:00
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
rv.h
rwbase_rt.h
rwlock.h
rwlock_api_smp.h
rwlock_rt.h
rwlock_types.h
rwsem.h
sbitmap.h
scatterlist.h
scc.h
sched.h	Scheduler updates in this cycle are:	2023-02-20 17:41:08 -08:00
sched_clock.h
scmi_protocol.h
scpi_protocol.h
screen_info.h
scs.h
sctp.h
scx200.h
scx200_gpio.h
seccomp.h
secretmem.h
securebits.h
security.h
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_net.h
seqlock.h
seqlock_api.h
serdev.h
serial.h
serial_8250.h
serial_bcm63xx.h
serial_core.h
serial_max3100.h
serial_s3c.h
serial_sci.h
serio.h
set_memory.h
sfp.h
sh_clk.h
sh_dma.h
sh_eth.h
sh_intc.h	sh: intc: Avoid spurious sizeof-pointer-div warning	2023-02-27 10:49:43 +01:00
sh_timer.h
shdma-base.h
shm.h
shmem_fs.h	shmem: add support to ignore swap	2023-03-28 16:20:15 -07:00
shrinker.h	mm: shrinkers: fix deadlock in shrinker debugfs	2023-02-09 15:56:51 -08:00
signal.h
signal_types.h
signalfd.h
siox.h
siphash.h
sizes.h
skb_array.h
skbuff.h	net/sched: cls_api: Support hardware miss to tc action	2023-02-20 16:46:10 -08:00
skmsg.h
slab.h
slab_def.h
slimbus.h
slub_def.h
sm501-regs.h
sm501.h
smc91x.h
smp.h
smp_types.h
smpboot.h
smsc911x.h
smscphy.h
sock_diag.h
socket.h
sockptr.h
softirq.h
sonet.h
sony-laptop.h
sonypi.h
sort.h
sound.h
soundcard.h
spinlock.h
spinlock_api.h
spinlock_api_smp.h
spinlock_api_up.h
spinlock_rt.h
spinlock_types.h
spinlock_types_raw.h
spinlock_types_up.h
spinlock_up.h
splice.h
spmi.h
sram.h
srcu.h
srcutiny.h
srcutree.h
ssbi.h
stackdepot.h	lib/stackdepot: move documentation comments to stackdepot.h	2023-02-16 20:43:52 -08:00
stackleak.h
stackprotector.h
stacktrace.h
start_kernel.h
stat.h
statfs.h
static_call.h
static_call_types.h
static_key.h
stdarg.h
stddef.h
stm.h
stmmac.h	net: stmmac: Fix for mismatched host/device DMA address width	2023-03-19 10:56:03 +00:00
stmp3xxx_rtc_wdt.h
stmp_device.h
stop_machine.h
string.h
string_helpers.h	string_helpers: Move string_is_valid() to the header	2023-02-09 22:30:24 -08:00
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
swait_api.h
swap.h	mm, memcg: Prevent memory.swappiness load/store tearing	2023-03-28 16:20:13 -07:00
swap_cgroup.h
swap_slots.h
swapfile.h
swapops.h
swiotlb.h	swiotlb: remove swiotlb_max_segment	2023-02-16 18:10:18 +01:00
switchtec.h
sxgbe_platform.h
sync_core.h
sync_file.h
synclink.h
sys.h
sys_soc.h
syscall_user_dispatch.h
syscalls.h
syscalls_api.h
syscore_ops.h
sysctl.h
sysfb.h	efi: sysfb_efi: Fix DMI quirks not working for simpledrm	2023-03-18 11:44:57 +01:00
sysfs.h
syslog.h
sysrq.h
sysv_fs.h
t10-pi.h
task_io_accounting.h
task_io_accounting_ops.h
task_work.h
taskstats_kern.h
tboot.h
tc.h
tca6416_keypad.h
tcp.h
tee_drv.h
termios_internal.h
textsearch.h
textsearch_fsm.h
tfrc.h
thermal.h	thermal: core: Introduce thermal_cooling_device_update()	2023-03-22 15:20:38 +01:00
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
timekeeper_internal.h
timekeeping.h
timer.h
timerfd.h
timeriomem-rng.h
timerqueue.h
timex.h
tnum.h
topology.h	sched/topology: Introduce for_each_numa_hop_mask()	2023-02-07 18:20:00 -08:00
torture.h
toshiba.h
tpm.h	tpm: add vendor flag to command code validation	2023-02-13 10:11:20 +02:00
tpm_command.h
tpm_eventlog.h
trace.h	tracing: Add trace_array_puts() to write into instance	2023-02-07 12:49:56 -05:00
trace_clock.h
trace_events.h	tracing: Fix TASK_COMM_LEN in trace event format file	2023-02-12 10:23:39 -05:00
trace_recursion.h
trace_seq.h	tracing: Acquire buffer from temparary trace sequence	2023-02-07 12:42:54 -05:00
tracefs.h
tracepoint-defs.h
tracepoint.h	Tracing fixes for v6.3	2023-03-14 17:07:54 -07:00
transport_class.h
ts-nbus.h
tsacct_kern.h
tty.h
tty_buffer.h
tty_driver.h
tty_flip.h
tty_ldisc.h
tty_port.h
typecheck.h
types.h
u64_stats_sync.h
u64_stats_sync_api.h
uacce.h
uaccess.h	uaccess: Add minimum bounds check on kernel buffer size	2023-02-08 15:26:58 -08:00
ubsan.h	arm64: Support Clang UBSAN trap codes for better reporting	2023-02-08 15:26:58 -08:00
ucs2_string.h
udp.h
uidgid.h
uio.h	46 fs/cifs (smb3 client) changesets, 37 in fs/cifs and 9 for related helper functions and cleanup outside from Dave Howells and Willy	2023-02-22 17:12:44 -08:00
uio_driver.h
umh.h
unicode.h
units.h
uprobes.h
usb.h
usb_usual.h
usbdevice_fs.h
user-return-notifier.h
user.h
user_events.h
user_namespace.h
userfaultfd_k.h	mm/uffd: UFFD_FEATURE_WP_UNPOPULATED	2023-04-05 19:42:44 -07:00
usermode_driver.h
util_macros.h	There is no particular theme here - mainly quick hits all over the tree.	2023-02-23 17:55:40 -08:00
uts.h
utsname.h
uuid.h
vbox_utils.h
vdpa.h	vdpa: introduce get_vq_dma_device()	2023-02-20 19:26:58 -05:00
verification.h
vermagic.h
vexpress.h
vfio.h	vfio: Update the kdoc for vfio_device_ops	2023-02-09 11:43:39 -07:00
vfio_pci_core.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_anchor.h
virtio_byteorder.h
virtio_caif.h
virtio_config.h	docs: driver-api: virtio: virtio on Linux	2023-02-15 06:46:22 -05:00
virtio_console.h
virtio_dma_buf.h
virtio_net.h
virtio_pci_legacy.h
virtio_pci_modern.h
virtio_ring.h	virtio_ring: per virtqueue dma device	2023-02-20 19:26:58 -05:00
virtio_vsock.h
vlynq.h
vm_event_item.h
vmalloc.h	mm/vmalloc.c: add flags to mark vm_map_ram area	2023-02-09 16:51:42 -08:00
vmpressure.h
vmstat.h
vmw_vmci_api.h
vmw_vmci_defs.h
vringh.h	vringh: fix a typo in comments for vringh_kiov	2023-02-20 19:26:59 -05:00
vt.h
vt_buffer.h
vt_kern.h
vtime.h
w1-gpio.h
w1.h
wait.h
wait_api.h
wait_bit.h
watch_queue.h
watchdog.h
win_minmax.h
wireless.h
wkup_m3_ipc.h
wm97xx.h
wmi.h
workqueue.h
workqueue_api.h
writeback.h
ww_mutex.h
wwan.h
xarray.h
xattr.h
xxhash.h
xz.h
yam.h
zconf.h
zlib.h
zorro.h
zpool.h
zsmalloc.h
zstd.h
zstd_errors.h
zstd_lib.h
zutil.h