From mboxrd@z Thu Jan  1 00:00:00 1970
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References: <896eab203042b2e267eb2b12d585a553@hamnavoe.com>
	<9680a4c5cb0d2d5ae048e7338c49bb61@kw.quanstro.net>
Date: Sat, 29 Sep 2012 20:49:39 +0100
Message-ID: <CAOw7k5jOaS76UWo7XV-qO6EHOaqmkmjzUvSBN9z43P+XRaU1dA@mail.gmail.com>
From: Charles Forsyth <charles.forsyth@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Subject: Re: [9fans] usbether
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>the host adapter driver in the kernel will poll a device for input only
when
>the user-level driver process does a read

I'm fairly sure the original driver could post a batch of polling requests,
for just that reason,
but it was a long time ago.

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<span style=3D"font-family:arial,sans-serif;font-size:13px;background-color=
:rgb(255,255,255)">&gt;the host=C2=A0</span><span style=3D"font-family:aria=
l,sans-serif;font-size:13px;background-color:rgb(255,255,255)">adapter driv=
er in the kernel will poll a device for input only when</span><br style=3D"=
font-family:arial,sans-serif;font-size:13px;background-color:rgb(255,255,25=
5)">
<span style=3D"font-family:arial,sans-serif;font-size:13px;background-color=
:rgb(255,255,255)">&gt;the user-level driver process does a read</span><br>=
<br><div>I&#39;m fairly sure the original driver could post a batch of poll=
ing requests, for just that reason,</div>
<div>but it was a long time ago.</div><div><br></div>

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