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Marc Zyngier f8da5752fd arm64: cpufeatures: Allow disabling of Pointer Auth from the command-line 
In order to be able to disable Pointer Authentication  at runtime,
whether it is for testing purposes, or to work around HW issues,
let's add support for overriding the ID_AA64ISAR1_EL1.{GPI,GPA,API,APA}
fields.

This is further mapped on the arm64.nopauth command-line alias.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: David Brazdil <dbrazdil@google.com>
Tested-by: Srinivas Ramana <sramana@codeaurora.org>
Link: https://lore.kernel.org/r/20210208095732.3267263-23-maz@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
 		2021-02-09 13:50:57 +00:00
..
ABI More power management updates for 5.11-rc1 2020-12-22 14:12:10 -08:00
PCI
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RCU docs: Fix reST markup when linking to sections 2020-12-31 15:44:47 -07:00
accounting
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admin-guide arm64: cpufeatures: Allow disabling of Pointer Auth from the command-line 2021-02-09 13:50:57 +00:00
arm ARM updates for 5.11: 2020-12-22 13:34:27 -08:00
arm64 ARM: 2020-12-20 10:44:05 -08:00
block
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bpf
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cdrom
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core-api atomic: remove further references to atomic_ops 2020-12-31 15:51:33 -07:00
cpu-freq
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crypto
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dev-tools Merge branch 'akpm' (patches from Andrew) 2020-12-22 13:38:17 -08:00
devicetree Networking fixes for 5.11-rc4, including fixes from can and netfilter. 2021-01-14 13:31:07 -08:00
doc-guide Documentation: doc-guide: fixes to sphinx.rst 2020-12-31 15:49:51 -07:00
driver-api RTC for 5.11 2020-12-20 10:12:06 -08:00
fault-injection
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fb
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features ARM updates for 5.11: 2020-12-22 13:34:27 -08:00
filesystems Various bug fixes and cleanups for ext4; no new features this cycle. 2020-12-24 14:16:02 -08:00
firmware-guide Documentation: ACPI: EINJ: Fix error type values for PCIe errors 2021-01-14 13:11:25 +01:00
firmware_class
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fpga
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gpu
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hid Merge branch 'for-5.11/core' into for-linus 2020-12-16 11:38:38 +01:00
hwmon hwmon: (sbtsi_temp) Fix Documenation kernel-doc warning 2020-12-30 08:05:20 -08:00
i2c
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ia64 docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
ide
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iio
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infiniband
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input Input: document inhibiting 2020-12-02 22:10:37 -08:00
isdn
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kbuild Documentation: kbuild: Fix section reference 2021-01-11 05:14:38 +09:00
kernel-hacking docs: Fix reST markup when linking to sections 2020-12-31 15:44:47 -07:00
leds Changes for 5.11-rc1. Small cleanups/fixes mostly thanks to Marek, 2020-12-16 14:56:29 -08:00
litmus-tests
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livepatch
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locking Documentation: seqlock: s/LOCKTYPE/LOCKNAME/g 2020-12-09 17:08:49 +01:00
m68k docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
maintainer
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mhi
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mips docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
misc-devices
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netlabel
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networking net: Allow NETIF_F_HW_TLS_TX if IP_CSUM && IPV6_CSUM 2021-01-14 10:56:13 -08:00
nios2 docs: nios2: add missing ReST file 2020-12-07 08:35:21 -07:00
nvdimm
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openrisc docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
parisc docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
pcmcia
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power
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powerpc docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
process docs: remove mention of ENABLE_MUST_CHECK 2021-01-07 14:41:38 -07:00
riscv docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
s390 docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
scheduler Power management updates for 5.11-rc1 2020-12-15 16:30:31 -08:00
scsi
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security
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sh docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
sound sound fixes for 5.11-rc4 2021-01-13 11:55:14 -08:00
sparc docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
sphinx Kbuild updates for v5.11 2020-12-22 14:02:39 -08:00
sphinx-static
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spi
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staging
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target tweewide: Fix most Shebang lines 2020-12-08 23:30:04 +09:00
timers
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trace Kbuild updates for v5.11 2020-12-22 14:02:39 -08:00
translations Networking updates for 5.11 2020-12-15 13:22:29 -08:00
usb
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userspace-api "Intel SGX is new hardware functionality that can be used by 2020-12-14 13:14:57 -08:00
virt KVM: arm64: Document HVC_VHE_RESTART stub hypercall 2021-02-09 13:50:57 +00:00
vm mm/lru: revise the comments of lru_lock 2020-12-15 14:48:04 -08:00
w1
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watchdog
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x86 A much quieter cycle for documentation (happily), with, one hopes, the bulk 2020-12-14 16:55:54 -08:00
xtensa A much quieter cycle for documentation (happily), with, one hopes, the bulk 2020-12-14 16:55:54 -08:00
.gitignore
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COPYING-logo
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Changes
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CodingStyle
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Kconfig
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Makefile
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SubmittingPatches
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asm-annotations.rst
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atomic_bitops.txt
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atomic_t.txt
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conf.py docs: Note that sphinx 1.7 will be required soon 2020-12-11 13:53:38 -07:00
docutils.conf
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dontdiff
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index.rst docs: archis: add a per-architecture features list 2020-12-03 15:10:15 -07:00
logo.gif
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memory-barriers.txt
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watch_queue.rst
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