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| author | Samuel Ortiz <sameo@rivosinc.com> | 2023-11-30 12:17:02 +0100 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2024-01-18 03:20:49 +0100 |
| commit | 10243401059287868a5651f869a2494368872add (patch) | |
| tree | a2a4b42d335b20de65d800407ee3f8188a4a5eff /CREDITS | |
| parent | riscv: Optimize hweight API with Zbb extension (diff) | |
| download | linux-10243401059287868a5651f869a2494368872add.tar.xz linux-10243401059287868a5651f869a2494368872add.zip | |
RISC-V: Implement archrandom when Zkr is available
The Zkr extension is ratified and provides 16 bits of entropy seed when
reading the SEED CSR.
We can implement arch_get_random_seed_longs() by doing multiple csrrw to
that CSR and filling an unsigned long with valid entropy bits.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Samuel Ortiz <sameo@rivosinc.com>
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Link: https://lore.kernel.org/r/20231130111704.1319081-1-cleger@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'CREDITS')
0 files changed, 0 insertions, 0 deletions