Re: bugs in the qfq packet scheduler
Re: bugs in the qfq packet scheduler
- Subject: Re: bugs in the qfq packet scheduler
- From: Vincent Lubet <email@hidden>
- Date: Mon, 20 Oct 2014 11:15:25 -0700
Hi Paolo,
> On Oct 20, 2014, at 4:52 AM, Paolo Valente <email@hidden> wrote:
>
> Hi,
> I am one of the authors of the qfq packet schedulers (and I hope I am posting this message to the right ml). I have just discovered that qfq has been included also in xnu from a few years. In this respect, this is just to warn you that the version you have merged is buggy.
>
> You can find all the details about these bugs and their fixes in some related threads on lkml. In particular, I fixed most of the bugs that are still present in your version (and those fixes have been committed in Linux). I did not propose at all a few other fixes, because in the meanwhile qfq was replaced by qfq+, my faster variant of qfq.
>
> I hope this information may help (and of course, I am willing to provide more details on demand),
> Paolo
We appreciate the heads up and I will contact you offline to get details.
Thanks,
Vincent
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