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James Morse f2791551ce arm64: errata: Hide CTR_EL0.DIC on systems affected by Neoverse-N1 #1542419 
[ Upstream commit 05460849c3 ]

Cores affected by Neoverse-N1 #1542419 could execute a stale instruction
when a branch is updated to point to freshly generated instructions.

To workaround this issue we need user-space to issue unnecessary
icache maintenance that we can trap. Start by hiding CTR_EL0.DIC.

Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-04-29 16:32:56 +02:00
..
ABI
PM / devfreq: Add new name attribute for sysfs
2020-02-05 21:22:40 +00:00
accounting
docs: add some documentation dirs to the driver-api book
2019-07-15 11:03:02 -03:00
admin-guide
docs: Fix path to MTD command line partition parser
2020-04-23 10:36:45 +02:00
arm
Documentation/arm/samsung-s3c24xx: Remove stray U+FEFF character to fix title
2019-08-12 15:25:32 -06:00
arm64
arm64: errata: Hide CTR_EL0.DIC on systems affected by Neoverse-N1 #1542419
2020-04-29 16:32:56 +02:00
block
docs: block: null_blk: enhance document style
2019-09-11 16:04:22 -06:00
bpf
bpf/flow_dissector: document flags
2019-07-25 18:00:41 -07:00
cdrom
docs: add some directories to the main documentation index
2019-07-15 11:03:03 -03:00
core-api
Merge tag 'modules-for-v5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
2019-10-11 10:19:24 -07:00
cpu-freq
Documentation: cpufreq: Update policy notifier documentation
2019-09-02 22:44:05 +02:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2019-09-18 12:11:14 -07:00
dev-tools
mm, page_owner: decouple freeing stack trace from debug_pagealloc
2019-10-14 15:04:00 -07:00
devicetree
arm64: tegra: Fix Tegra194 PCIe compatible string
2020-04-23 10:36:30 +02:00
doc-guide
docs: remove extra conf.py files
2019-07-17 06:57:52 -03:00
driver-api
Merge tag 'pinctrl-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
2019-09-19 14:19:33 -07:00
EDID
docs: driver-api: add a series of orphaned documents
2019-07-15 11:03:02 -03:00
fault-injection
docs: add some directories to the main documentation index
2019-07-15 11:03:03 -03:00
fb
fbdev: fix numbering of fbcon options
2020-02-24 08:36:42 +01:00
features
Merge tag 'docs-5.4' of git://git.lwn.net/linux
2019-09-17 16:22:26 -07:00
filesystems
cifs_atomic_open(): fix double-put on late allocation failure
2020-03-18 07:17:51 +01:00
firmware_class
…
firmware-guide
Documentation: ACPI: DSD: Convert LED documentation to ReST
2019-08-20 23:53:46 +02:00
fpga
Documentation: fpga: dfl: add descriptions for virtualization and new interfaces.
2019-09-03 19:35:42 -07:00
gpu
Merge drm/drm-next into drm-intel-next-queued
2019-08-22 00:10:36 -07:00
hid
docs: add some documentation dirs to the driver-api book
2019-07-15 11:03:02 -03:00
hwmon
hwmon: docs: Extend inspur-ipsps1 title underline
2019-10-07 05:56:57 -07:00
i2c
docs: i2c: convert to ReST and add to driver-api bookset
2019-07-31 13:25:27 -06:00
ia64
docs: add SPDX tags to new index files
2019-07-15 11:03:03 -03:00
ide
docs: add some directories to the main documentation index
2019-07-15 11:03:03 -03:00
iio
docs: add some documentation dirs to the driver-api book
2019-07-15 11:03:02 -03:00
infiniband
Documentation/infiniband: update name of some functions
2019-09-13 16:55:55 -03:00
input
Input: docs: fix spelling mistake "potocol" -> "protocol"
2019-08-06 11:24:49 -06:00
ioctl
fs-verity: add UAPI header
2019-07-28 16:59:16 -07:00
isdn
docs: isdn: convert to ReST and add to kAPI bookset
2019-07-31 13:30:25 -06:00
kbuild
modpost: move the namespace field in Module.symvers last
2020-03-25 08:25:55 +01:00
kernel-hacking
docs: Add documentation for Symbol Namespaces
2019-09-10 10:30:49 +02:00
leds
leds: core: Add support for composing LED class device names
2019-07-25 20:07:52 +02:00
livepatch
docs: add some directories to the main documentation index
2019-07-15 11:03:03 -03:00
locking
doc🔒 remove reference to clever use of read-write lock
2019-09-14 01:53:27 -06:00
m68k
docs: README.buddha: convert to ReST and add to m68k book
2019-07-31 13:30:10 -06:00
maintainer
docs: Fix typo on pull requests guide
2019-08-12 15:14:14 -06:00
media
Merge tag 'drm-next-2019-09-18' of git://anongit.freedesktop.org/drm/drm
2019-09-19 16:24:24 -07:00
mic
docs: driver-api: add remaining converted dirs to it
2019-07-15 11:03:03 -03:00
mips
Merge tag 'mips_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
2019-09-22 09:30:30 -07:00
misc-devices
Docs: misc: xilinx_sdfec: Add documentation
2019-08-15 17:54:38 +02:00
netlabel
docs: add some directories to the main documentation index
2019-07-15 11:03:03 -03:00
networking
netfilter: nf_flowtable: fix documentation
2020-03-05 16:43:51 +01:00
nios2
docs: nios2: add it to the main Documentation body
2019-07-31 13:31:51 -06:00
openrisc
docs: openrisc: convert to ReST and add to documentation body
2019-07-31 13:30:20 -06:00
parisc
docs: parisc: convert to ReST and add to documentation body
2019-07-31 13:30:15 -06:00
PCI
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2019-08-27 14:23:31 -07:00
pcmcia
docs: add some directories to the main documentation index
2019-07-15 11:03:03 -03:00
power
Merge branches 'pm-opp', 'pm-qos', 'acpi-pm', 'pm-domains' and 'pm-tools'
2019-09-17 09:49:19 +02:00
powerpc
docs: powerpc: Add missing documentation reference
2019-09-17 23:59:34 +10:00
process
Documentation/process: Add fallthrough pseudo-keyword
2019-10-11 09:26:05 -07:00
RCU
Merge branches 'consolidate.2019.08.01b', 'fixes.2019.08.12a', 'lists.2019.08.13a' and 'torture.2019.08.01b' into HEAD
2019-08-13 14:30:30 -07:00
riscv
Merge tag 'docs-5.4' of git://git.lwn.net/linux
2019-09-17 16:22:26 -07:00
s390
Documentation/s390: remove outdated debugging390 documentation
2019-08-21 12:41:43 +02:00
scheduler
sched/fair: Fix low cpu usage with high throttling by removing expiration of cpu-local slices
2019-08-08 09:09:30 +02:00
scsi
scsi: smartpqi: Update attribute name to driver_version
2020-01-17 19:48:27 +01:00
security
Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
2019-09-27 19:37:27 -07:00
sh
docs: remove extra conf.py files
2019-07-17 06:57:52 -03:00
sound
ALSA: hda/realtek - Remove now-unnecessary XPS 13 headphone noise fixups
2020-04-17 10:50:08 +02:00
sparc
docs: add arch doc directories to the index
2019-07-15 11:03:01 -03:00
sphinx
Documentation: sphinx: Don't parse socket() as identifier reference
2019-08-12 14:55:30 -06:00
sphinx-static
…
spi
spi: docs: convert to ReST and add it to the kABI bookset
2019-07-31 14:13:13 -06:00
target
docs: add some directories to the main documentation index
2019-07-15 11:03:03 -03:00
timers
docs: add some directories to the main documentation index
2019-07-15 11:03:03 -03:00
trace
Merge tag 'trace-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2019-09-20 11:19:48 -07:00
translations
doc: arm64: fix grammar dtb placed in no attributes region
2019-09-06 08:44:34 -06:00
usb
USB: rio500: Remove Rio 500 kernel driver
2019-10-04 10:53:36 +02:00
userspace-api
docs: remove extra conf.py files
2019-07-17 06:57:52 -03:00
virt
KVM/Hyper-V: Add new KVM capability KVM_CAP_HYPERV_DIRECT_TLBFLUSH
2019-09-24 13:37:13 +02:00
virtual
cpuidle: add haltpoll governor
2019-07-30 17:27:37 +02:00
vm
mm: treewide: clarify pgtable_page_{ctor,dtor}() naming
2019-09-26 10:10:44 -07:00
w1
docs: w1: convert to ReST and add to the kAPI group of docs
2019-07-31 14:16:17 -06:00
watchdog
Merge tag 'linux-watchdog-5.4-rc1' of git://www.linux-watchdog.org/linux-watchdog
2019-09-27 11:17:38 -07:00
x86
x86/speculation/taa: Add documentation for TSX Async Abort
2019-10-28 08:37:00 +01:00
xtensa
docs: add arch doc directories to the index
2019-07-15 11:03:01 -03:00
.gitignore
…
atomic_bitops.txt
…
atomic_t.txt
…
bus-virt-phys-mapping.txt
…
Changes
…
CodingStyle
…
conf.py
docs: conf.py: only use CJK if the font is available
2019-07-17 06:57:51 -03:00
COPYING-logo
docs: logo.txt: rename it to COPYING-logo
2019-07-15 09:20:27 -03:00
crc32.txt
…
debugging-modules.txt
…
debugging-via-ohci1394.txt
…
digsig.txt
…
DMA-API-HOWTO.txt
docs: DMA-API-HOWTO.txt: fix an unmarked code block
2019-07-15 09:20:24 -03:00
DMA-API.txt
dma-mapping: remove dma_release_declared_memory
2019-09-04 11:13:19 +02:00
DMA-attributes.txt
…
DMA-ISA-LPC.txt
…
docutils.conf
…
dontdiff
kbuild: create *.mod with full directory path and remove MODVERDIR
2019-07-18 02:19:31 +09:00
futex-requeue-pi.txt
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hwspinlock.txt
…
index.rst
Merge tag 'mips_5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
2019-09-22 09:30:30 -07:00
io_ordering.txt
…
io-mapping.txt
…
IPMI.txt
…
IRQ-affinity.txt
…
IRQ-domain.txt
…
IRQ.txt
…
irqflags-tracing.txt
…
Kconfig
…
kobject.txt
…
kprobes.txt
…
kref.txt
…
logo.gif
…
lzo.txt
…
mailbox.txt
…
Makefile
…
memory-barriers.txt
docs: fix broken doc references due to renames
2019-07-17 06:57:51 -03:00
nommu-mmap.txt
…
padata.txt
padata: allocate workqueue internally
2019-09-13 21:15:39 +10:00
percpu-rw-semaphore.txt
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pi-futex.txt
docs: locking: convert docs to ReST and rename to *.rst
2019-07-15 08:53:27 -03:00
preempt-locking.txt
…
rbtree.txt
docs: rbtree.txt: fix Sphinx build warnings
2019-07-15 09:20:24 -03:00
remoteproc.txt
…
robust-futex-ABI.txt
…
robust-futexes.txt
…
rpmsg.txt
…
speculation.txt
…
static-keys.txt
…
SubmittingPatches
…
tee.txt
…
this_cpu_ops.txt
…
unaligned-memory-access.txt
…
xz.txt
…