netdev - Re: [PATCH v2 net-next 07/12] bnx2x: simplify definition of RX_SGE_MASK

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Date:	Sun, 13 Nov 2011 15:37:44 +0200
From:	"Dmitry Kravkov" <dmitry@...adcom.com>
To:	"Joe Perches" <joe@...ches.com>
cc:	"davem@...emloft.net" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Eilon Greenstein" <eilong@...adcom.com>
Subject: Re: [PATCH v2 net-next 07/12] bnx2x: simplify definition of
 RX_SGE_MASK_LEN and use it.

On Sun, 2011-11-13 at 05:10 -0800, Joe Perches wrote:
> On Sun, 2011-11-13 at 14:47 +0200, Dmitry Kravkov wrote:
> > diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
> []
> > @@ -874,8 +874,7 @@ static inline void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
> >  static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
> >  {
> >  	/* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
> > -	memset(fp->sge_mask, 0xff,
> > -	       (NUM_RX_SGE >> BIT_VEC64_ELEM_SHIFT)*sizeof(u64));
> > +	memset(fp->sge_mask, 0xff, RX_SGE_MASK_LEN * sizeof(u64));
> 
> drivers/net/ethernet/broadcom/bnx2x/bnx2x.h:
> 	u64			sge_mask[RX_SGE_MASK_LEN];
> 
> perhaps this is more readable as:
> 	memset(fp->sge_mask, 0xff, sizeof(fp->sge_mask));
> 
> 

You're right, I'll fix it. Thanks.



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