Joey Gouly 1175011a7d arm64: cpufeature: add HWCAP for FEAT_RPRES ...

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>

2021-12-13 18:53:00 +00:00

..

auxvec.h

arm64: signal: Report signal frame size to userspace via auxv

2018-06-01 15:53:10 +01:00

bitsperlong.h

License cleanup: add SPDX license identifier to uapi header files with a license

2017-11-02 11:20:11 +01:00

bpf_perf_event.h

treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers

2019-07-25 11:05:10 +02:00

byteorder.h

License cleanup: add SPDX license identifier to uapi header files with a license

2017-11-02 11:20:11 +01:00

fcntl.h

License cleanup: add SPDX license identifier to uapi header files with a license

2017-11-02 11:20:11 +01:00

hwcap.h

arm64: cpufeature: add HWCAP for FEAT_RPRES

2021-12-13 18:53:00 +00:00

Kbuild

kbuild: force all architectures except um to include mandatory-y

2019-03-17 12:56:32 +09:00

kvm.h

KVM: arm64: Add ioctl to fetch/store tags in a guest

2021-06-22 14:08:06 +01:00

mman.h

arm64: mte: Add PROT_MTE support to mmap() and mprotect()

2020-09-04 12:46:07 +01:00

param.h

License cleanup: add SPDX license identifier to uapi header files with a license

2017-11-02 11:20:11 +01:00

perf_regs.h

License cleanup: add SPDX license identifier to uapi header files with no license

2017-11-02 11:19:54 +01:00

posix_types.h

License cleanup: add SPDX license identifier to uapi header files with no license

2017-11-02 11:19:54 +01:00

ptrace.h

arm64: mte: ptrace: Add PTRACE_{PEEK,POKE}MTETAGS support

2020-09-04 12:46:07 +01:00

setup.h

License cleanup: add SPDX license identifier to uapi header files with a license

2017-11-02 11:20:11 +01:00

sigcontext.h

arm64: sigcontext.h: delete duplicated word

2020-07-30 12:54:56 +01:00

signal.h

License cleanup: add SPDX license identifier to uapi header files with a license

2017-11-02 11:20:11 +01:00

statfs.h

License cleanup: add SPDX license identifier to uapi header files with a license

2017-11-02 11:20:11 +01:00

sve_context.h

arm64/sve: Disentangle <uapi/asm/ptrace.h> from <uapi/asm/sigcontext.h>

2019-01-04 13:31:45 +00:00

ucontext.h

License cleanup: add SPDX license identifier to uapi header files with a license

2017-11-02 11:20:11 +01:00

unistd.h

arch, mm: wire up memfd_secret system call where relevant

2021-07-08 11:48:21 -07:00