kernel_optimize_test/Documentation
Joey Gouly 97d8bdf331 arm64: cpufeature: add HWCAP for FEAT_RPRES
commit 1175011a7d0030d49dc9c10bde36f08f26d0a8ee upstream.

Add a new HWCAP to detect the Increased precision of Reciprocal Estimate
and Reciprocal Square Root Estimate feature (FEAT_RPRES), introduced in Armv8.7.

Also expose this to userspace in the ID_AA64ISAR2_EL1 feature register.

Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211210165432.8106-4-joey.gouly@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-03-11 12:11:51 +01:00
..
ABI counter: stm32-lptimer-cnt: remove iio counter abi 2022-01-27 10:54:08 +01:00
accounting psi: Fix uaf issue when psi trigger is destroyed while being polled 2022-02-05 12:37:55 +01:00
admin-guide x86/speculation: Update link to AMD speculation whitepaper 2022-03-11 12:11:50 +01:00
arm ARM: 9012/1: move device tree mapping out of linear region 2021-05-19 10:13:18 +02:00
arm64 arm64: cpufeature: add HWCAP for FEAT_RPRES 2022-03-11 12:11:51 +01:00
block block-5.10-2020-10-24 2020-10-24 12:46:42 -07:00
bpf
cdrom
core-api dma-mapping: document dma_{alloc,free}_pages 2020-10-23 12:07:46 +02:00
cpu-freq
crypto
dev-tools linux-kselftest-kunit-fixes-5.10-rc5 2020-11-18 11:57:55 -08:00
devicetree ARM: dts: Fix timer regression for beagleboard revision c 2022-02-16 12:54:22 +01:00
doc-guide
driver-api Documentation: fix firewire.rst ABI file path error 2022-01-27 10:54:29 +01:00
fault-injection lkdtm: replace SCSI_DISPATCH_CMD with SCSI_QUEUE_RQ 2021-09-15 09:50:42 +02:00
fb drm fixes (round two) for 5.10-rc1 2020-10-23 13:56:34 -07:00
features
filesystems fscrypt: allow 256-bit master keys with AES-256-XTS 2021-11-18 14:03:54 +01:00
firmware_class
firmware-guide Documentation: ACPI: Fix data node reference documentation 2022-01-27 10:54:29 +01:00
fpga
gpu Revert "fbcon: Disable accelerated scrolling" 2022-02-08 18:30:40 +01:00
hid
hwmon hwmon: (lm90) Add basic support for TI TMP461 2021-12-29 12:25:59 +01:00
i2c
ia64
ide
iio
infiniband
input
isdn
kbuild Documentation/Kbuild: Remove references to gcc-plugin.sh 2021-12-14 11:32:46 +01:00
kernel-hacking
leds docs: leds: index.rst: add a missing file 2020-11-02 13:45:37 +01:00
litmus-tests
livepatch
locking Documentation/locking/locktypes: Update migrate_disable() bits. 2021-12-14 11:32:42 +01:00
m68k
maintainer
mhi
mips
misc-devices Documentation: remove mic/index from misc-devices/index.rst 2020-11-04 11:38:32 +01:00
netlabel
networking bonding: fix ad_actor_system option setting to default 2021-12-29 12:25:57 +01:00
nios2
nvdimm
openrisc
parisc
PCI
pcmcia
power
powerpc powerpc/64s/syscall: Use pt_regs.trap to distinguish syscall ABI difference between sc and scv syscalls 2021-05-26 12:06:53 +02:00
process docs: networking: drop special stable handling 2021-03-17 17:06:13 +01:00
RCU
riscv
s390
scheduler
scsi scsi: libsas: Introduce a _gfp() variant of event notifiers 2021-03-25 09:04:11 +01:00
security watch_queue: Drop references to /dev/watch_queue 2021-03-04 11:37:59 +01:00
sh
sound ALSA: hda/realtek: Add new alc285-hp-amp-init model 2021-12-29 12:26:00 +01:00
sparc
sphinx tweewide: Fix most Shebang lines 2021-05-22 11:40:55 +02:00
sphinx-static
spi
staging
target tweewide: Fix most Shebang lines 2021-05-22 11:40:55 +02:00
timers
trace tracing: Add ustring operation to filtering string pointers 2022-03-08 19:09:31 +01:00
translations net: switch to the kernel.org patchwork instance 2020-11-11 17:12:00 -08:00
usb
userspace-api media: hevc: Fix dependent slice segment flags 2021-07-14 16:55:51 +02:00
virt KVM: X86: MMU: Use the correct inherited permissions to get shadow page 2021-06-16 12:01:40 +02:00
vm mm/debug_vm_pgtable/basic: add validation for dirtiness after write protect 2021-07-14 16:56:13 +02:00
w1
watchdog
x86 x86/CPU/AMD: Save AMD NodeId as cpu_die_id 2020-12-30 11:54:29 +01:00
xtensa xtensa: fix TLBTEMP area placement 2020-11-16 02:13:15 -08:00
.gitignore
asm-annotations.rst x86/entry: Emit a symbol for register restoring thunk 2021-02-03 23:28:40 +01:00
atomic_bitops.txt
atomic_t.txt
Changes
CodingStyle
conf.py This pull contains a series of warning fixes from Mauro; once applied, the 2020-11-03 13:14:14 -08:00
COPYING-logo
docutils.conf
dontdiff kbuild: generate Module.symvers only when vmlinux exists 2021-05-19 10:12:59 +02:00
index.rst
Kconfig docs: Kconfig/Makefile: add a check for broken ABI files 2020-10-30 13:08:07 +01:00
logo.gif
Makefile A small number of fixes, plus a build tweak to respect the desire for 2020-11-03 09:57:30 -08:00
memory-barriers.txt
SubmittingPatches
watch_queue.rst