Re: [PATCH 0/2] riscv: Add macro for multiple nop instructions

From: Guo Ren
Date: Wed Jun 08 2022 - 01:18:43 EST


Just a safe good coding convention point.

Reviewed-by: Guo Ren <guoren@xxxxxxxxxx>

On Tue, Jun 7, 2022 at 10:31 PM Heiko Stuebner <heiko@xxxxxxxxx> wrote:
>
> Some cases need multiple nop instructions and arm64 already has a
> nice helper for not needing to write all of them out but instead
> use a helper to add n nops.
>
> So add a similar thing to riscv and convert the T-Head PMA
> alternative to use it.
>
>
> Heiko Stuebner (2):
> riscv: introduce nops and __nops macros for NOP sequences
> riscv: convert the t-head pbmt errata to use the __nops macro
>
> arch/riscv/include/asm/asm.h | 15 +++++++++++++++
> arch/riscv/include/asm/barrier.h | 2 ++
> arch/riscv/include/asm/errata_list.h | 8 +-------
> 3 files changed, 18 insertions(+), 7 deletions(-)
>
> --
> 2.35.1
>


--
Best Regards
Guo Ren

ML: https://lore.kernel.org/linux-csky/