android_kernel_motorola_sm6225/Documentation
Juergen Gross f53f35a99e xen/balloon: add late_initcall_sync() for initial ballooning done
commit 40fdea0284bb20814399da0484a658a96c735d90 upstream.

When running as PVH or HVM guest with actual memory < max memory the
hypervisor is using "populate on demand" in order to allow the guest
to balloon down from its maximum memory size. For this to work
correctly the guest must not touch more memory pages than its target
memory size as otherwise the PoD cache will be exhausted and the guest
is crashed as a result of that.

In extreme cases ballooning down might not be finished today before
the init process is started, which can consume lots of memory.

In order to avoid random boot crashes in such cases, add a late init
call to wait for ballooning down having finished for PVH/HVM guests.

Warn on console if initial ballooning fails, panic() after stalling
for more than 3 minutes per default. Add a module parameter for
changing this timeout.

[boris: replaced pr_info() with pr_notice()]

Cc: <stable@vger.kernel.org>
Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20211102091944.17487-1-jgross@suse.com
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-11-26 11:36:02 +01:00
..
ABI evm: Refuse EVM_ALLOW_METADATA_WRITES only if an HMAC key is loaded 2021-07-20 16:15:42 +02:00
accelerators ocxl: Document new OCXL IOCTLs 2018-06-03 20:40:33 +10:00
accounting
acpi ACPI: property: graph: Update graph documentation to use generic references 2018-07-23 12:44:52 +02:00
admin-guide xen/balloon: add late_initcall_sync() for initial ballooning done 2021-11-26 11:36:02 +01:00
aoe
arm ARM: 8833/1: Ensure that NEON code always compiles with Clang 2019-04-05 22:33:08 +02:00
arm64 arm64: errata: Hide CTR_EL0.DIC on systems affected by Neoverse-N1 #1542419 2020-04-29 16:31:08 +02:00
auxdisplay Doc: misc-devices: move lcd-panel-cgram.txt to auxdisplay/ 2018-04-12 16:08:02 +02:00
backlight
block block: Track DISCARD statistics and output them in stat and diskstat 2018-07-18 08:44:22 -06:00
blockdev zram: introduce zram memory tracking 2018-06-07 17:34:34 -07:00
bpf Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-08-07 11:02:05 -07:00
bus-devices
cdrom Documentation/cdrom: fix German sharp s in LaTex 2018-03-08 19:35:29 -07:00
cgroup-v1 page cache: use xa_lock 2018-04-11 10:28:39 -07:00
cma
connector
console Documentation: corrections to console/console.txt 2018-08-10 16:09:40 -06:00
core-api idr: Change documentation license 2018-10-15 16:31:29 -04:00
cpu-freq cpufreq: Drop cpufreq_table_validate_and_show() 2018-04-10 08:40:45 +02:00
cpuidle cpuidle: Add definition of residency to sysfs documentation 2018-04-09 13:44:37 +02:00
crypto crypto: remove redundant type flags from tfm allocation 2018-07-09 00:30:29 +08:00
dev-tools doc: dev-tools: kselftest.rst: update contributing new tests 2018-06-29 09:01:50 -06:00
device-mapper dm integrity: conditionally disable "recalculate" feature 2021-01-30 13:32:13 +01:00
devicetree regulator: dt-bindings: samsung,s5m8767: correct s5m8767,pmic-buck-default-dvs-idx property 2021-11-26 11:36:00 +01:00
doc-guide Documentation/sphinx: allow "functions" with no parameters 2018-06-30 07:52:42 -06:00
driver-api ata: make qc_prep return ata_completion_errors 2020-10-01 13:14:54 +02:00
driver-model dmaengine: add a new helper dmaenginem_async_device_register 2018-07-30 10:50:22 +05:30
early-userspace initramfs: move gen_initramfs_list.sh from scripts/ to usr/ 2018-08-22 23:21:44 +09:00
EDID
extcon
fault-injection Documentation: nvme: Documentation for nvme fault injection 2018-03-26 08:53:43 -06:00
fb uvesafb: Fix URLs in the documentation 2018-09-26 18:11:23 +02:00
features ARM: 8777/1: Hook up SYNC_CORE functionality for sys_membarrier() 2018-07-11 11:02:08 +01:00
filesystems locks: print a warning when mount fails due to lack of "mand" support 2021-08-26 08:36:49 -04:00
firmware_class
fmc
fpga docs: fpga: add a document for FPGA Device Feature List (DFL) Framework Overview 2018-07-15 13:55:44 +02:00
gpio Documentation: gpio: Move drivers-on-gpio.txt to driver-api 2018-03-23 04:22:29 +01:00
gpu drm/msm/gpu: Add the buffer objects from the submit to the crash dump 2018-07-30 08:50:10 -04:00
hid HID: doc: fix wrong data structure reference for UHID_OUTPUT 2019-12-05 09:20:36 +01:00
hwmon hwmon: (ina2xx) fix sysfs shunt resistor read access 2018-08-26 17:45:25 -07:00
i2c i2c: i801: Add support for Intel Comet Lake 2019-05-04 09:20:15 +02:00
ia64 ia64: doc: tweak whitespace for 'console=' parameter 2018-03-05 14:41:38 -08:00
ide
iio
infiniband Documentation/ABI: update infiniband sysfs interfaces 2018-02-23 08:18:33 -07:00
input input: add MT_TOOL_DIAL 2018-07-17 15:33:47 +02:00
ioctl Char/Misc driver patches for 4.19-rc1 2018-08-18 11:04:51 -07:00
isdn Documentation/isdn: check and fix dead links ... 2018-03-26 12:31:13 -04:00
kbuild kbuild: support LLVM=1 to switch the default tools to Clang/LLVM 2020-09-26 18:01:32 +02:00
kdump
kernel-hacking doc:it_IT: translation for kernel-hacking 2018-07-26 16:21:09 -06:00
laptops platform/x86: thinkpad_acpi: silence HKEY 0x6032, 0x60f0, 0x6030 2018-05-07 15:10:31 +03:00
leds
lightnvm
livepatch livepatch: Remove not longer valid limitations from the documentation 2018-05-24 15:37:57 +02:00
locking locking: Implement an algorithm choice for Wound-Wait mutexes 2018-07-03 09:44:36 +02:00
m68k
maintainer docs: Fix more broken references 2018-06-15 18:11:26 -03:00
md raid5-ppl: PPL support for disks with write-back cache enabled 2018-01-15 14:29:42 -08:00
media media: videodev2.h: RGB BT2020 and HSV are always full range 2020-11-05 11:08:40 +01:00
memory-devices
mic
mips Documentation: mips: Update AU1xxx_IDE Kconfig dependencies 2018-02-01 12:45:35 -07:00
misc-devices pci_endpoint_test: Add 2 ioctl commands 2018-07-19 11:46:57 +01:00
mmc
mtd
namespaces
netlabel
networking icmp: randomize the global rate limiter 2020-10-29 09:54:58 +01:00
nfc
nios2
nvdimm
nvmem
openrisc
parisc
PCI Merge branch 'remotes/lorenzo/pci/dwc' 2018-08-15 14:59:11 -05:00
pcmcia pcmcia: remove long deprecated pcmcia_request_exclusive_irq() function 2018-08-18 12:30:42 -07:00
perf drivers/bus: Move Arm CCN PMU driver 2018-03-06 17:26:15 +01:00
phy
platform
power PM / reboot: Eliminate race between reboot and suspend 2018-08-06 12:35:20 +02:00
powerpc powerpc: Document issues with TM on POWER9 2018-07-02 23:54:29 +10:00
pps
process stable-kernel-rules.rst: add link to networking patch queue 2019-03-23 20:10:10 +01:00
pti
ptp ptp: Fix documentation to match code. 2018-03-26 12:13:21 -04:00
rapidio Documentation: rapidio: move sysfs interface to ABI 2018-02-23 08:25:45 -07:00
RCU rculist: Improve documentation for list_for_each_entry_from_rcu() 2018-07-12 15:39:25 -07:00
riscv perf: riscv: Add Document for Future Porting Guide 2018-06-04 14:02:11 -07:00
s390 vfio-ccw: update documentation 2018-03-01 17:32:14 +01:00
scheduler sched/fair: Fix low cpu usage with high throttling by removing expiration of cpu-local slices 2019-11-12 19:20:50 +01:00
scsi scsi: documentation: add scsi_mod.use_blk_mq to scsi-parameters 2018-08-27 12:26:10 -04:00
security Kbuild: rename CC_STACKPROTECTOR[_STRONG] config variables 2018-06-14 12:21:18 +09:00
serial
sh
sound ALSA: hda/realtek - Remove now-unnecessary XPS 13 headphone noise fixups 2020-04-17 10:48:45 +02:00
sparc sparc64: Add support for ADI (Application Data Integrity) 2018-03-18 07:38:48 -07:00
sphinx tweewide: Fix most Shebang lines 2021-05-22 10:59:50 +02:00
sphinx-static
spi
sysctl bpf: add bpf_jit_limit knob to restrict unpriv allocations 2019-05-31 06:46:03 -07:00
target tweewide: Fix most Shebang lines 2021-05-22 10:59:50 +02:00
thermal thermal: Add cooling device's statistics in sysfs 2018-04-02 21:49:01 +08:00
timers timekeeping.txt: Correct maxCount of n-bit binary counter 2018-07-23 09:33:06 -06:00
trace tracing/histogram: Rename "cpu" to "common_cpu" 2021-08-12 13:19:42 +02:00
translations This was a moderately busy cycle for docs, with the usual collection of 2018-08-14 14:29:31 -07:00
usb USB: rio500: Remove Rio 500 kernel driver 2019-10-17 13:44:47 -07:00
userspace-api Documentation: Add section about CPU vulnerabilities for Spectre 2019-07-14 08:11:17 +02:00
virtual KVM: X86: MMU: Use the correct inherited permissions to get shadow page 2021-08-15 13:05:04 +02:00
vm mm/slub: clarify verification reporting 2021-06-30 08:48:26 -04:00
w1 w1: fix w1_ds2438 documentation 2018-07-07 17:27:13 +02:00
watchdog watchdog: remove bfin_wdt driver 2018-03-26 15:57:04 +02:00
wimax
x86 x86/speculation/taa: Add documentation for TSX Async Abort 2019-11-12 19:21:34 +01:00
xtensa
.gitignore
00-INDEX docs: admin-guide: add cgroup-v2 documentation 2018-05-10 15:42:41 -06:00
atomic_bitops.txt locking/atomic/bitops: Document and clarify ordering semantics for failed test_and_{}_bit() 2018-02-13 14:55:53 +01:00
atomic_t.txt x86/atomic: Fix smp_mb__{before,after}_atomic() 2019-07-26 09:14:08 +02:00
bt8xxgpio.txt
btmrvl.txt
bus-virt-phys-mapping.txt
Changes
clearing-warn-once.txt
CodingStyle
conf.py docs: Fix conf.py for Sphinx 2.0 2019-06-09 09:17:20 +02:00
cpu-load.txt
cputopology.txt
crc32.txt
dcdbas.txt
debugging-modules.txt
debugging-via-ohci1394.txt
dell_rbu.txt Documentation: remove stale firmware API reference 2018-05-14 16:44:41 +02:00
digsig.txt
DMA-API-HOWTO.txt
DMA-API.txt
DMA-attributes.txt
DMA-ISA-LPC.txt
docutils.conf
dontdiff
efi-stub.txt
eisa.txt
flexible-arrays.txt
futex-requeue-pi.txt
gcc-plugins.txt
highuid.txt
hw_random.txt
hwspinlock.txt
index.rst x86/speculation/mds: Add mds_clear_cpu_buffers() 2019-05-14 19:17:54 +02:00
Intel-IOMMU.txt
intel_txt.txt
io-mapping.txt
io_ordering.txt
iostats.txt block: Track DISCARD statistics and output them in stat and diskstat 2018-07-18 08:44:22 -06:00
IPMI.txt
IRQ-affinity.txt
IRQ-domain.txt irqdomain: Kill CONFIG_IRQ_DOMAIN_DEBUG 2018-01-24 12:32:58 +01:00
IRQ.txt
irqflags-tracing.txt
isa.txt
isapnp.txt
kernel-per-CPU-kthreads.txt
kobject.txt
kprobes.txt kprobes/Documentation: Fix various typos 2018-06-22 11:10:55 +02:00
kref.txt
ldm.txt
lockup-watchdogs.txt
logo.gif
logo.txt
lsm.txt
lzo.txt
mailbox.txt
Makefile
memory-barriers.txt sched/Documentation: Update wake_up() & co. memory-barrier guarantees 2018-07-17 09:30:34 +02:00
memory-hotplug.txt
men-chameleon-bus.txt
nommu-mmap.txt Documentation: nommu-map: Fix duplicate word typo 2018-06-26 09:01:27 -06:00
ntb.txt
numastat.txt
padata.txt
parport-lowlevel.txt
percpu-rw-semaphore.txt
phy.txt
pi-futex.txt
pnp.txt
preempt-locking.txt
pwm.txt
rbtree.txt
remoteproc.txt
rfkill.txt rfkill: Fix several typos in documentation 2018-06-15 13:36:08 +02:00
robust-futex-ABI.txt
robust-futexes.txt futex: Update comments and docs about return values of arch futex code 2019-07-03 13:14:49 +02:00
rpmsg.txt
rtc.txt Documentation: rtc: move iotcl interface documentation to ABI 2018-01-12 00:20:41 +01:00
SAK.txt
sgi-ioc4.txt
siphash.txt
SM501.txt
smsc_ece1099.txt
speculation.txt Documentation: Document array_index_nospec 2018-01-30 21:54:28 +01:00
static-keys.txt
SubmittingPatches
svga.txt
switchtec.txt
sync_file.txt
tee.txt
this_cpu_ops.txt
unaligned-memory-access.txt
vfio-mediated-device.txt vfio/mdev: Check globally for duplicate devices 2018-06-08 10:24:27 -06:00
vfio.txt vfio: fix documentation 2018-05-08 09:16:41 -06:00
video-output.txt
xillybus.txt
xz.txt
zorro.txt