Re: [Xen-devel] ns16550.c's poll_port variable

[Keir Fraser <keir.xen@xxxxxxxxx>]

On 04/05/2012 09:18, "Jan Beulich" <JBeulich@xxxxxxxx> 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
> 



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel