On Fri, Aug 07, 2020 at 07:39:19PM +0530, Srujana Challa wrote:
>
> +/*
> + * On OcteonTX2 platform the parameter insts_num is used as a count of
> + * instructions to be enqueued. The valid values for insts_num are:
> + * 1 - 1 CPT instruction will be enqueued during LMTST operation
> + * 2 - 2 CPT instructions will be enqueued during LMTST operation
> + */
> +static inline void otx2_cpt_send_cmd(union otx2_cpt_inst_s *cptinst,
> +                                  u32 insts_num, void *obj)
> +{
> +     struct otx2_cptlf_info *lf = obj;
> +     void *lmtline = lf->lmtline;
> +     long ret;
> +
> +     /*
> +      * Make sure memory areas pointed in CPT_INST_S
> +      * are flushed before the instruction is sent to CPT
> +      */
> +     smp_wmb();

Why should this be a NOOP on UP?

Cheers,
-- 
Email: Herbert Xu <herb...@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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