Re: [Xen-devel] [PATCH net] xen-netback: add the scenario which now beyond the range time_after_eq().

[annie li <annie.li@xxxxxxxxxx>]

On 2013-10-17 17:26, Jan Beulich wrote:
> > Yes, the issue only can be  reproduced in 32-bit Dom0 (Beyond
> > MAX_ULONG/2 in 64-bit will need long long time)
> >
> > I think the gap should be think all environment even now extending 480+.
> > if now fall in the gap,  one timer will be pending and replenish will be
> > in time.  Please run the attachment test program.
> Not sure what this is supposed to tell me. I recognize that there
> are overflow conditions not handled properly, but (a) I have a
> hard time thinking of a sensible guest that sits idle for over 240
> days (host uptime usually isn't even coming close to that due to
> maintenance requirements) and (b) if there is such a sensible
> guest, then I can't see why dealing with one being idle for over
> 480 days should be required too.
If the guest contains multiple NICs, that situation probably happens 
when one NIC keeps idle and others work under load. BTW, how do you get 
the 240?
Thanks
Annie

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