From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir.xen@gmail.com>
Subject: Re: ns16550.c's poll_port variable
Date: Fri, 04 May 2012 09:25:38 +0100
Message-ID: <CBC95112.324B8%keir.xen@gmail.com>
References: <4FA3ACDB0200007800081847@nat28.tlf.novell.com>
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To: Jan Beulich <JBeulich@suse.com>
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On 04/05/2012 09:18, "Jan Beulich" <JBeulich@suse.com> wrote:

> Hi Keir,
> 
> does this really need to be a per-CPU variable? Can't a timer run only
> once at a time on the entire system (the more that it gets re-armed only
> at the end of the poll function, whereas the variable is consumed at the
> start), and hence the variable can be a simple one? Or else, what
> subtlety am I overlooking?

We set up a timer per initialised uart. There can be more than one (although
granted it is rare).

 -- Keir

> Thanks, Jan
>