Re: [Xen-devel] [PATCH] evtchn_do_upcall: Fix logic to start correctly at "last processed port + 1"

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 29/01/2010 05:34, "Kaushik Kumar Ram" <kaushik@xxxxxxxx> wrote:

> # HG changeset patch
> # User kaushik
> # Date 1264742860 21600
> # Node ID de3e05e5eec28aa332ae1aa35a2edf97ded769f5
> # Parent  91224343eeee460c9aafdaadc1bdedab54e92256
> Fix the logic to start correctly at "last processed port + 1" in
> evtchn_do_upcall.
> 
> Signed-off-by: Kaushik Kumar Ram <kaushik@xxxxxxxx>

Take a look at linux-2.6.18-xen:988, which is a (significant)
reinterpretation of your patch. I think some confusion and bugs arise from
pre-incrementing the loop indexes, so I changed back to post-incrementing as
we used to do. I think the code is a fair bit clearer. Hopefully it also
works just as well!

 Thanks,
 Keir



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