netdev - Re: [PATCH v2 net-next] bnxt: add dma mapping attributes

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Message-Id: <20170516.115325.904175179446683748.davem@davemloft.net>
Date:   Tue, 16 May 2017 11:53:25 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     shannon.nelson@...cle.com
Cc:     netdev@...r.kernel.org, sparclinux@...r.kernel.org,
        michael.chan@...adcom.com
Subject: Re: [PATCH v2 net-next] bnxt: add dma mapping attributes

From: Shannon Nelson <shannon.nelson@...cle.com>
Date: Tue,  9 May 2017 18:30:12 -0700

> On the SPARC platform we need to use the DMA_ATTR_WEAK_ORDERING attribute
> in our Rx path dma mapping in order to get the expected performance out
> of the receive path.  Adding it to the Tx path has little effect, so
> that's not a part of this patch.
> 
> Signed-off-by: Shannon Nelson <shannon.nelson@...cle.com>
> Reviewed-by: Tushar Dave <tushar.n.dave@...cle.com>
> Reviewed-by: Tom Saeger <tom.saeger@...cle.com>
> ---
> v2: simplify by getting rid of the driver-specific ifdef and define

Applied.