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

Palmer Dabbelt palmer at dabbelt.com
Thu Jul 21 19:16:35 PDT 2022


On Tue, 07 Jun 2022 07:30:57 PDT (-0700), heiko at sntech.de 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(-)

Thanks, these are on for-next.  I had to fix up some minor conflicts, but
hopefuly nothing went wrong.



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