Re: [Intel-wired-lan] [PATCH][next] idpf: make read-only arrays tx_itr and rx_itr static const

From: Alexander Lobakin
Date: Fri Aug 23 2024 - 08:39:59 EST


From: Colin Ian King <colin.i.king@xxxxxxxxx>
Date: Thu, 22 Aug 2024 22:34:10 +0100

> Don't populate the read-only arrays tx_itr and rx_itr on the stack at
> run time, instead make them static const.
>
> Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
> ---
> drivers/net/ethernet/intel/idpf/idpf_virtchnl.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
> index 70986e12da28..d50e5cab05fc 100644
> --- a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
> +++ b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
> @@ -3149,8 +3149,8 @@ void idpf_vport_init(struct idpf_vport *vport, struct idpf_vport_max_q *max_q)
> struct idpf_adapter *adapter = vport->adapter;
> struct virtchnl2_create_vport *vport_msg;
> struct idpf_vport_config *vport_config;
> - u16 tx_itr[] = {2, 8, 64, 128, 256};
> - u16 rx_itr[] = {2, 8, 32, 96, 128};
> + static const u16 tx_itr[] = {2, 8, 64, 128, 256};
> + static const u16 rx_itr[] = {2, 8, 32, 96, 128};

Move it to the top of the function to keep the RCT style?

> struct idpf_rss_data *rss_data;
> u16 idx = vport->idx;

Thanks,
Olek