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Date: Mon, 21 Aug 2006 18:52:44 -0500
To: Arnd Bergmann <arnd@arndb.de>
Subject: Re: [RFC] HOWTO use NAPI to reduce TX interrupts
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From: linas@austin.ibm.com (Linas Vepstas)
Cc: akpm@osdl.org, netdev@vger.kernel.org, James K Lewis <jklewis@us.ibm.com>,
	linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
	Jens Osterkamp <Jens.Osterkamp@de.ibm.com>,
	Jeff Garzik <jgarzik@pobox.com>, David Miller <davem@davemloft.net>,
	Stephen Hemminger <shemminger@osdl.org>
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On Sat, Aug 19, 2006 at 01:25:18PM +0200, Arnd Bergmann wrote:
> 
> What is the best way to treat the IRQ mask for TX interrupts?
> I guess it should be roughly:
> 
> - off when we expect ->poll() to be called, i.e. after calling
>   netif_rx_schedule() or returning after a partial rx from poll().

Under what circumstance does one turn TX interrupts back on?
I couldn't quite figure that out.

--linas