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KP Singh dfd3801d53 Documentation/hw-vuln: Document the interaction between IBRS and STIBP 
commit e02b50ca442e88122e1302d4dbc1b71a4808c13f upstream.

Explain why STIBP is needed with legacy IBRS as currently implemented
(KERNEL_IBRS) and why STIBP is not needed when enhanced IBRS is enabled.

Fixes: 7c693f54c873 ("x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS")
Signed-off-by: KP Singh <kpsingh@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230227060541.1939092-2-kpsingh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-03-11 16:31:51 +01:00
..
ABI
docs: Fix path paste-o for /sys/kernel/warn_count
2023-02-06 07:49:46 +01:00
accelerators
ocxl: Document new OCXL IOCTLs
2018-06-03 20:40:33 +10:00
accounting
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acpi
ACPI: property: graph: Update graph documentation to use generic references
2018-07-23 12:44:52 +02:00
admin-guide
Documentation/hw-vuln: Document the interaction between IBRS and STIBP
2023-03-11 16:31:51 +01:00
aoe
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arm
ARM: 8833/1: Ensure that NEON code always compiles with Clang
2019-04-05 22:33:08 +02:00
arm64
arm64: errata: Remove AES hwcap for COMPAT tasks
2022-11-03 23:52:25 +09:00
auxdisplay
Doc: misc-devices: move lcd-panel-cgram.txt to auxdisplay/
2018-04-12 16:08:02 +02:00
backlight
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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
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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
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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
docs/scripts/gdb: add necessary make scripts_gdb step
2023-03-11 16:31:47 +01:00
device-mapper
dm integrity: conditionally disable "recalculate" feature
2021-01-30 13:32:13 +01:00
devicetree
ARM: dts: fix Moxa SDIO 'compatible', remove 'sdhci' misnomer
2022-10-26 13:19:16 +02:00
doc-guide
Documentation/sphinx: allow "functions" with no parameters
2018-06-30 07:52:42 -06:00
driver-api
spi: Update reference to struct spi_controller
2023-01-18 11:30:10 +01:00
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
debugfs: fix error when writing negative value to atomic_t debugfs file
2023-01-18 11:30:06 +01:00
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
Revert "hwmon: Make chip parameter for with_info API mandatory"
2022-06-25 11:49:18 +02:00
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
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iio
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infiniband
Documentation/ABI: update infiniband sysfs interfaces
2018-02-23 08:18:33 -07:00
input
Input: iforce - add support for Boeder Force Feedback Wheel
2022-09-20 12:26:48 +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
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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
…
media
media: videodev2.h: RGB BT2020 and HSV are always full range
2020-11-05 11:08:40 +01:00
memory-devices
…
mic
…
mips
…
misc-devices
pci_endpoint_test: Add 2 ioctl commands
2018-07-19 11:46:57 +01:00
mmc
…
mtd
…
namespaces
…
netlabel
…
networking
Documentation: fix sctp_wmem in ip-sysctl.rst
2022-08-11 12:48:40 +02:00
nfc
…
nios2
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nvdimm
…
nvmem
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openrisc
…
parisc
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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
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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
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process
docs: update mediator contact information in CoC doc
2022-11-25 17:40:28 +01:00
pti
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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
docs: Fix the docs build with Sphinx 6.0
2023-01-18 11:30:51 +01:00
sphinx-static
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spi
…
sysctl
panic: Introduce warn_limit
2023-02-06 07:49:46 +01:00
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: Update document for KEYS_MAX size
2022-11-10 17:46:55 +01:00
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
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.gitignore
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00-INDEX
docs: admin-guide: add cgroup-v2 documentation
2018-05-10 15:42:41 -06:00
atomic_bitops.txt
locking/atomic: Make test_and_*_bit() ordered on failure
2022-08-25 11:15:42 +02:00
atomic_t.txt
x86/atomic: Fix smp_mb__{before,after}_atomic()
2019-07-26 09:14:08 +02:00
bt8xxgpio.txt
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btmrvl.txt
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bus-virt-phys-mapping.txt
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Changes
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clearing-warn-once.txt
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CodingStyle
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conf.py
docs/conf.py: Cope with removal of language=None in Sphinx 5.0.0
2022-06-14 16:59:30 +02:00
cpu-load.txt
…
cputopology.txt
…
crc32.txt
…
dcdbas.txt
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debugging-modules.txt
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debugging-via-ohci1394.txt
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dell_rbu.txt
Documentation: remove stale firmware API reference
2018-05-14 16:44:41 +02:00
digsig.txt
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DMA-API-HOWTO.txt
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DMA-API.txt
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DMA-attributes.txt
Reinstate some of "swiotlb: rework "fix info leak with DMA_FROM_DEVICE""
2022-05-25 09:10:41 +02:00
DMA-ISA-LPC.txt
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docutils.conf
…
dontdiff
…
efi-stub.txt
…
eisa.txt
…
flexible-arrays.txt
…
futex-requeue-pi.txt
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gcc-plugins.txt
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highuid.txt
…
hw_random.txt
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hwspinlock.txt
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index.rst
x86/speculation/mds: Add mds_clear_cpu_buffers()
2019-05-14 19:17:54 +02:00
intel_txt.txt
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Intel-IOMMU.txt
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io_ordering.txt
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io-mapping.txt
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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
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IRQ-domain.txt
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IRQ.txt
…
irqflags-tracing.txt
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isa.txt
…
isapnp.txt
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kernel-per-CPU-kthreads.txt
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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
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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
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rtc.txt
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SAK.txt
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sgi-ioc4.txt
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siphash.txt
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SM501.txt
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smsc_ece1099.txt
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speculation.txt
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static-keys.txt
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SubmittingPatches
…
svga.txt
…
switchtec.txt
…
sync_file.txt
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tee.txt
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this_cpu_ops.txt
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unaligned-memory-access.txt
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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
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xillybus.txt
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xz.txt
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zorro.txt
…