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Re: [Xen-devel] [PATCH net] xen-netback: use jiffies_64 value to calculate credit timeout



On Mon, Oct 28, 2013 at 10:58:32AM +0800, annie li wrote:
[...]
> >>      if (timer_pending(&vif->credit_timeout))
> >>          return true;
> >>        /* Passed the point where we can replenish credit? */
> >>-    if (time_after_eq(now, next_credit)) {
> >>-        vif->credit_timeout.expires = now;
> >>+    if (time_after_eq64(now, next_credit)) {
> >>+        vif->credit_timeout.expires = (unsigned long)now;
> >
> >updates credit_window_start as following,
> >vif->credit_window_start = (unsigned long)now;
> 
> both credit_window_start and credit_timeout.expires need to be
> updated here,
> 
> vif->credit_window_start = (unsigned long)now;
> vif->credit_timeout.expires = (unsigned long)now;
> 

IMHO we don't need to update .expires anymore -- we now track the window
with another variable.

Wei.

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