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Date: Tue, 09 Nov 2010 09:15:16 -0800 (PST) From: David Miller <davem@...emloft.net> To: xiaohui.xin@...el.com Cc: netdev@...r.kernel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, mst@...hat.com, mingo@...e.hu, herbert@...dor.apana.org.au, jdike@...ux.intel.com Subject: Re: [PATCH v15 00/17] Provide a zero-copy method on KVM virtio-net. From: xiaohui.xin@...el.com Date: Tue, 9 Nov 2010 17:03:05 +0800 > We provide an zero-copy method which driver side may get external > buffers to DMA. Here external means driver don't use kernel space > to allocate skb buffers. Currently the external buffer can be from > guest virtio-net driver. 1) Please use kernel-doc style comments to document structure members. 2) The idea to key off of skb->dev in skb_release_data() is fundamentally flawed since many actions can change skb->dev on you, which will end up causing a leak of your external data areas. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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