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linux-stable/Documentation
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Tim Chen 8a815007f5 Documentation: Add section about CPU vulnerabilities for Spectre 
commit 6e88559470f581741bcd0f2794f9054814ac9740 upstream.

Add documentation for Spectre vulnerability and the mitigation mechanisms:

- Explain the problem and risks
- Document the mitigation mechanisms
- Document the command line controls
- Document the sysfs files

Co-developed-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Co-developed-by: Tim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-07-14 08:11:17 +02:00
..
ABI
qmi_wwan: extend permitted QMAP mux_id value range
2019-07-14 08:11:13 +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
Documentation: Add section about CPU vulnerabilities for Spectre
2019-07-14 08:11:17 +02:00
aoe
…
arm
ARM: 8833/1: Ensure that NEON code always compiles with Clang
2019-04-05 22:33:08 +02:00
arm64
arm64: errata: Add workaround for Cortex-A76 erratum #1463225
2019-05-31 06:46:03 -07:00
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 raid: bump target version, update comments and documentation
2018-09-06 17:07:58 -04:00
devicetree
dt-bindings: can: mcp251x: add mcp25625 support
2019-07-14 08:11:07 +02:00
doc-guide
Documentation/sphinx: allow "functions" with no parameters
2018-06-30 07:52:42 -06:00
driver-api
USB: core: Fix bug caused by duplicate interface PM usage counter
2019-05-08 07:21:44 +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
drm: use .hword to represent 16-bit numbers
2017-03-30 10:15:19 +02:00
extcon
extcon: Remove porting compatibility of swich class
2017-04-06 10:55:24 +09:00
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
dcache: sort the freeing-without-RCU-delay mess for good.
2019-05-25 18:23:26 +02:00
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
Documentation: fix input related doc refs
2017-10-12 11:14:06 -06:00
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
iio: adc: New driver for Cirrus Logic EP93xx ADC
2017-07-25 19:56:23 +01:00
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: Fix LOADLIBES rename in Documentation/kbuild/makefiles.txt
2018-08-22 23:21:42 +09:00
kdump
kexec/kdump: minor Documentation updates for arm64 and Image
2017-07-12 16:26:00 -07:00
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
Documentation: leds: Update 00-INDEX file
2017-10-23 20:17:03 +02:00
lightnvm
lightnvm: physical block device (pblk) target
2017-04-16 10:06:33 -06:00
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: replace ADOBERGB by OPRGB
2018-11-13 11:08:54 -08:00
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
MMC core:
2017-05-02 17:34:32 -07:00
mtd
mtd: spi-nor: add an API to restore the status of SPI flash chip
2017-12-13 00:36:00 +01:00
namespaces
…
netlabel
…
networking
tcp: add tcp_min_snd_mss sysctl
2019-06-17 19:51:56 +02:00
nfc
…
nios2
…
nvdimm
…
nvmem
NVMEM documentation fix: A minor typo
2017-08-24 13:31:58 -06:00
openrisc
Documentation: openrisc: Updates to README
2017-10-30 21:37:53 +09:00
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
drivers/pps: aesthetic tweaks to PPS-related content
2017-09-08 18:26:51 -07:00
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/deadline/Documentation: Add overrun signal and GRUB-PA documentation
2018-05-14 09:12:27 +02:00
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
tty: n_gsm: do not send/receive in ldisc close path
2017-06-03 18:48:52 +09:00
sh
docs-rst: convert sh book to ReST
2017-05-16 08:44:18 -03:00
sound
ASoC: Updates for v4.19
2018-08-13 12:12:31 +02:00
sparc
sparc64: Add support for ADI (Application Data Integrity)
2018-03-18 07:38:48 -07:00
sphinx
doc: Cope with Sphinx logging deprecations
2019-06-09 09:17:21 +02:00
sphinx-static
docs RTD theme: code-block with line nos - lines and line numbers don't line up.
2017-07-17 13:48:45 -06:00
spi
spi: Document SPI slave controller support
2017-05-26 13:11:00 +01:00
sysctl
bpf: add bpf_jit_limit knob to restrict unpriv allocations
2019-05-31 06:46:03 -07:00
target
Documentation/target: add an example script to configure an iSCSI target
2017-05-01 22:21:35 -07:00
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
This was a moderately busy cycle for docs, with the usual collection of
2018-08-14 14:29:31 -07:00
translations
This was a moderately busy cycle for docs, with the usual collection of
2018-08-14 14:29:31 -07:00
usb
USB-serial updates for v4.19-rc1
2018-07-20 21:47:15 +02:00
userspace-api
Documentation: Add section about CPU vulnerabilities for Spectre
2019-07-14 08:11:17 +02:00
virtual
KVM: Reject device ioctls from processes other than the VM's creator
2019-04-03 06:26:29 +02:00
vm
docs/vm: move ksm and transhuge from "user" to "internals" section.
2018-05-29 06:45:55 -06:00
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/mds: Improve CPU buffer clear documentation
2019-05-22 07:37:35 +02:00
xtensa
xtensa: add support for KASAN
2017-12-16 22:37:12 -08:00
.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
Documentation/locking/atomic: Finish the document...
2017-08-25 11:06:33 +02:00
bt8xxgpio.txt
bt8xxgpio.txt: standardize document format
2017-07-14 13:51:27 -06:00
btmrvl.txt
btmrvl.txt: standardize document format
2017-07-14 13:51:27 -06:00
bus-virt-phys-mapping.txt
bus-virt-phys-mapping.txt: standardize document format
2017-07-14 13:51:28 -06:00
Changes
…
clearing-warn-once.txt
kernel debug: support resetting WARN*_ONCE
2017-11-17 16:10:00 -08:00
CodingStyle
…
conf.py
docs: Fix conf.py for Sphinx 2.0
2019-06-09 09:17:20 +02:00
cpu-load.txt
cpu-load: standardize document format
2017-07-14 13:51:30 -06:00
cputopology.txt
cputopology.txt: standardize document format
2017-07-14 13:51:30 -06:00
crc32.txt
crc32.txt: standardize document format
2017-07-14 13:51:30 -06:00
dcdbas.txt
dcdbas.txt: standardize document format
2017-07-14 13:51:31 -06:00
debugging-modules.txt
…
debugging-via-ohci1394.txt
debugging-via-ohci1394.txt: standardize document format
2017-07-14 13:51:34 -06:00
dell_rbu.txt
Documentation: remove stale firmware API reference
2018-05-14 16:44:41 +02:00
digsig.txt
digsig.txt: standardize document format
2017-07-14 13:51:31 -06:00
DMA-API-HOWTO.txt
DMA-API-HOWTO.txt: standardize document format
2017-07-14 13:51:32 -06:00
DMA-API.txt
dma-coherent: remove the DMA_MEMORY_MAP and DMA_MEMORY_IO flags
2017-09-01 11:59:17 +02:00
DMA-attributes.txt
DMA-attributes.txt: standardize document format
2017-07-14 13:51:33 -06:00
DMA-ISA-LPC.txt
DMA-ISA-LPC.txt: standardize document format
2017-07-14 13:51:33 -06:00
docutils.conf
…
dontdiff
Remove gperf usage from toolchain
2017-08-19 11:02:53 -07:00
efi-stub.txt
efi-stub.txt: standardize document format
2017-07-14 13:51:34 -06:00
eisa.txt
eisa.txt: standardize document format
2017-07-14 13:51:34 -06:00
flexible-arrays.txt
flexible-arrays.txt: standardize document format
2017-07-14 13:51:35 -06:00
futex-requeue-pi.txt
futex-requeue-pi.txt: standardize document format
2017-07-14 13:51:35 -06:00
gcc-plugins.txt
gcc-plugins.txt: standardize document format
2017-07-14 13:51:36 -06:00
highuid.txt
highuid.txt: standardize document format
2017-07-14 13:51:36 -06:00
hw_random.txt
hw_random.txt: standardize document format
2017-07-14 13:51:37 -06:00
hwspinlock.txt
hwspinlock.txt: standardize document format
2017-07-14 13:51:37 -06:00
index.rst
x86/speculation/mds: Add mds_clear_cpu_buffers()
2019-05-14 19:17:54 +02:00
intel_txt.txt
intel_txt.txt: standardize document format
2017-07-14 13:51:38 -06:00
Intel-IOMMU.txt
Intel-IOMMU.txt: standardize document format
2017-07-14 13:51:38 -06:00
io_ordering.txt
io_ordering.txt: standardize document format
2017-07-14 13:51:39 -06:00
io-mapping.txt
io-mapping.txt: standardize document format
2017-07-14 13:51:38 -06:00
iostats.txt
block: Track DISCARD statistics and output them in stat and diskstat
2018-07-18 08:44:22 -06:00
IPMI.txt
ipmi: Make IPMI panic strings always available
2017-09-27 16:03:45 -05:00
IRQ-affinity.txt
IRQ-affinity.txt: standardize document format
2017-07-14 13:51:41 -06:00
IRQ-domain.txt
irqdomain: Kill CONFIG_IRQ_DOMAIN_DEBUG
2018-01-24 12:32:58 +01:00
IRQ.txt
IRQ.txt: add a markup for its title
2017-07-14 13:51:42 -06:00
irqflags-tracing.txt
irqflags-tracing.txt: standardize document format
2017-07-14 13:51:42 -06:00
isa.txt
isa.txt: standardize document format
2017-07-14 13:51:43 -06:00
isapnp.txt
isapnp.txt: promote title level
2017-07-14 13:51:43 -06:00
kernel-per-CPU-kthreads.txt
kernel-per-CPU-kthreads.txt: standardize document format
2017-07-14 13:51:43 -06:00
kobject.txt
kobject.txt: standardize document format
2017-07-14 13:51:44 -06:00
kprobes.txt
kprobes/Documentation: Fix various typos
2018-06-22 11:10:55 +02:00
kref.txt
kref.txt: standardize document format
2017-07-14 13:51:45 -06:00
ldm.txt
ldm.txt: standardize document format
2017-07-14 13:51:45 -06:00
lockup-watchdogs.txt
lockup-watchdogs.txt: standardize document format
2017-07-14 13:51:46 -06:00
logo.gif
…
logo.txt
…
lsm.txt
docs-rst: convert lsm from DocBook to ReST
2017-05-16 08:44:19 -03:00
lzo.txt
lzo.txt: standardize document format
2017-07-14 13:51:46 -06:00
mailbox.txt
mailbox.txt: standardize document format
2017-07-14 13:51:47 -06:00
Makefile
Documentation: add script and build target to check for broken file references
2017-10-12 11:07:42 -06:00
memory-barriers.txt
sched/Documentation: Update wake_up() & co. memory-barrier guarantees
2018-07-17 09:30:34 +02:00
memory-hotplug.txt
memory-hotplug.txt: standardize document format
2017-07-14 13:57:53 -06:00
men-chameleon-bus.txt
men-chameleon-bus.txt: standardize document format
2017-07-14 13:57:54 -06:00
nommu-mmap.txt
Documentation: nommu-map: Fix duplicate word typo
2018-06-26 09:01:27 -06:00
ntb.txt
This series converts a number of top-level documents to the RST format
2017-07-15 12:58:58 -07:00
numastat.txt
numastat.txt: standardize document format
2017-07-14 13:57:56 -06:00
padata.txt
padata.txt: standardize document format
2017-07-14 13:57:56 -06:00
parport-lowlevel.txt
parport-lowlevel.txt: standardize document format
2017-07-14 13:57:57 -06:00
percpu-rw-semaphore.txt
percpu-rw-semaphore.txt: standardize document format
2017-07-14 13:57:58 -06:00
phy.txt
phy.txt: standardize document format
2017-07-14 13:57:58 -06:00
pi-futex.txt
Documentation: fix locking rt-mutex doc refs
2017-10-19 12:56:44 -06:00
pnp.txt
pnp.txt: standardize document format
2017-07-14 13:57:59 -06:00
preempt-locking.txt
preempt-locking.txt: standardize document format
2017-07-14 13:58:00 -06:00
pwm.txt
pwm: Standardize document format
2017-07-06 08:23:30 +02:00
rbtree.txt
rbtree: cache leftmost node internally
2017-09-08 18:26:48 -07:00
remoteproc.txt
remoteproc.txt: standardize document format
2017-07-14 13:58:02 -06:00
rfkill.txt
rfkill: Fix several typos in documentation
2018-06-15 13:36:08 +02:00
robust-futex-ABI.txt
robust-futex-ABI.txt: standardize document format
2017-07-14 13:58:03 -06:00
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
rpmsg.txt: standardize document format
2017-07-14 13:58:04 -06:00
rtc.txt
Documentation: rtc: move iotcl interface documentation to ABI
2018-01-12 00:20:41 +01:00
SAK.txt
SAK.txt: standardize document format
2017-07-14 13:58:04 -06:00
sgi-ioc4.txt
sgi-ioc4.txt: standardize document format
2017-07-14 13:58:05 -06:00
siphash.txt
siphash.txt: standardize document format
2017-07-14 13:58:06 -06:00
SM501.txt
SM501.txt: standardize document format
2017-07-14 13:58:06 -06:00
smsc_ece1099.txt
smsc_ece1099.txt: standardize document format
2017-07-14 13:58:07 -06:00
speculation.txt
Documentation: Document array_index_nospec
2018-01-30 21:54:28 +01:00
static-keys.txt
jump_label: Provide hotplug context variants
2017-08-10 12:28:59 +02:00
SubmittingPatches
…
svga.txt
documentation/svga.txt: update outdated file
2017-11-20 10:45:50 -07:00
switchtec.txt
NTB: switchtec_ntb: Update switchtec documentation with notes for NTB
2017-11-18 20:37:13 -05:00
sync_file.txt
sync_file.txt: standardize document format
2017-05-24 13:01:27 -03:00
tee.txt
tee.txt: standardize document format
2017-07-14 13:58:14 -06:00
this_cpu_ops.txt
this_cpu_ops.txt: standardize document format
2017-07-14 13:58:08 -06:00
unaligned-memory-access.txt
unaligned-memory-access.txt: standardize document format
2017-07-14 13:58:09 -06:00
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
xillybus.txt: standardize document format
2017-07-14 13:58:11 -06:00
xz.txt
xz.txt: standardize document format
2017-07-14 13:58:11 -06:00
zorro.txt
zorro.txt: standardize document format
2017-07-14 13:58:12 -06:00