Re: [Xen-devel] [PATCH V6] Switch from select() to poll() in xenconsoled's IO loop

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Fri, 2013-01-11 at 12:25 +0000, Ian Campbell wrote:
> On Wed, 2013-01-09 at 11:02 +0000, Ian Campbell wrote:
> > On Wed, 2013-01-09 at 09:50 +0000, Wei Liu wrote:
> > > In Linux select() typically supports up to 1024 file descriptors. This 
> > > can be
> > > a problem when user tries to boot up many guests. Switching to poll() has
> > > minimum impact on existing code and has better scalibility.
> > > 
> > > pollfd array is dynamically allocated / reallocated. If the array fails to
> > > expand, we just ignore the incoming fd.
> 
> > Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> 
> And now applied.

I'm afraid I've now reverted this, the bisector
<E1Tu7of-0004FF-Mf@xxxxxxxxxxxxxxxxxxxxxxx> fingered it as responsible
for the failures in test flight 14869 onwards.

Ian.


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