Xiao Wang 55ca8d7aa2

riscv: Optimize hweight API with Zbb extension ...

The Hamming Weight of a number is the total number of bits set in it, so
the cpop/cpopw instruction from Zbb extension can be used to accelerate
hweight() API.

Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20231112095244.4015351-1-xiao.w.wang@intel.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

2024-01-17 18:18:40 -08:00

..

boot

RISC-V Patches for the 6.7 Merge Window, Part 2

2023-11-10 09:23:17 -08:00

configs

Merge patch series "RISC-V SBI debug console extension support"

2024-01-11 07:36:27 -08:00

errata

Merge patch series "riscv: errata: thead: use riscv_nonstd_cache_ops for CMO"

2024-01-11 07:36:30 -08:00

include

riscv: Optimize hweight API with Zbb extension

2024-01-17 18:18:40 -08:00

kernel

Merge patch series "riscv: ftrace: Miscellaneous ftrace improvements"

2024-01-17 18:17:29 -08:00

kvm

riscv: Use accessors to page table entries instead of direct dereference

2023-12-20 10:48:15 -08:00

lib

Merge patch series "riscv: Add fine-tuned checksum functions"

2024-01-17 18:07:11 -08:00

mm

riscv: Add support for BATCHED_UNMAP_TLB_FLUSH

2024-01-11 08:01:53 -08:00

net

riscv, bpf: Track both a0 (RISC-V ABI) and a5 (BPF) return values

2023-10-09 15:21:25 +02:00

purgatory

riscv: Use SYM_*() assembly macros instead of deprecated ones

2023-11-06 09:42:47 -08:00

tools

riscv: Check relocations at compile time

2023-04-19 07:46:32 -07:00

Kbuild

kexec: rename ARCH_HAS_KEXEC_PURGATORY

2023-08-18 10:18:54 -07:00

Kconfig

Merge patch series "riscv: ftrace: Miscellaneous ftrace improvements"

2024-01-17 18:17:29 -08:00

Kconfig.debug

riscv: Add tests for riscv module loading

2023-11-07 14:59:32 -08:00

Kconfig.errata

riscv: errata: thead: use riscv_nonstd_cache_ops for CMO

2024-01-10 09:54:26 -08:00

Kconfig.socs

SoC driver updates for 6.7

2023-11-01 14:46:51 -10:00

Makefile

riscv: add dependency among Image(.gz), loader(.bin), and vmlinuz.efi

2024-01-17 18:18:20 -08:00

Makefile.postlink

kbuild: remove ARCH_POSTLINK from module builds

2023-10-28 21:10:08 +09:00