diff options
| author | Andrew Jones <ajones@ventanamicro.com> | 2023-02-24 16:45:56 +0100 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2023-03-14 20:51:20 -0700 |
| commit | 099122af4e29efb41e0db6cc2cd5a07278250e4f (patch) | |
| tree | 745810ca4c8e465661a2c411ee8da2919b37e1c8 /arch/riscv/Kconfig | |
| parent | fe15c26ee26efa11741a7b632e9f23b01aca4cc6 (diff) | |
riscv: Clarify RISCV_ALTERNATIVE help text
Clarify RISCV_ALTERNATIVE's help text by pointing out that code
patching is not only done at boot time, but also module load time.
Also point out that this is the minimal possible overhead.
Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20230224154601.88163-2-ajones@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/Kconfig')
| -rw-r--r-- | arch/riscv/Kconfig | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index c5e42cc37604..04898c50ef1d 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -379,8 +379,8 @@ config RISCV_ALTERNATIVE help This Kconfig allows the kernel to automatically patch the errata required by the execution platform at run time. The - code patching is performed once in the boot stages. It means - that the overhead from this mechanism is just taken once. + code patching overhead is minimal, as it's only done once + at boot and once on each module load. config RISCV_ALTERNATIVE_EARLY bool |