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Date: Fri, 16 Aug 2013 07:54:40 +0200 From: Francois Romieu <romieu@...zoreil.com> To: hayeswang <hayeswang@...ltek.com> Cc: netdev@...r.kernel.org, "'nic_swsd'" <nic_swsd@...ltek.com>, linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org, "'David Miller'" <davem@...emloft.net> Subject: Re: [PATCH net-next v2 1/3] net/usb/r8152: support aggregation hayeswang <hayeswang@...ltek.com> : > Francois Romieu [mailto:romieu@...zoreil.com] [...] > > The forward declaration is not needed. > > The r8152_submit_rx() need the declaration of read_bulk_callback(), and the > read_bulk_callback() need the declaration of r8152_submit_rx(), too. It likes > a dead lock, so I have no idea how to do it without another declaration. Ok, send me a brain for Xmas. [...] > > How is it related to the subject of the patch ? > > When link down, the driver would cancel all bulks. This avoid the re-submitting > bulk. It's quite orthogonal to aggregation and could thus had been done in its own patch for readability sake. [...] > > It should be possible to retrieve more items in the spinlocked section > > so as to have a chance to batch more work. I have not thought > > too deeply > > about it. > > I only lock when I want to remove or inser the agg list, and unlock as soon as > possible. I don't think I keep locking for a long time. Sure. It doesn't make a difference if tp->rx_done doesn't grow much. Thanks. -- Ueimor -- 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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