lkml.org 
[lkml]   [2017]   [Sep]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 0/3] fix reuseaddr regression
From
Date
On 09/18/2017 12:28 PM, josef@toxicpanda.com wrote:
> I introduced a regression when reworking the fastreuse port stuff that allows
> bind conflicts to occur once a reuseaddr socket successfully opens on an
> existing tb. The root cause is I reversed an if statement which caused us to
> set the tb as if there were no owners on the socket if there were, which
> obviously is not correct.
>
> Dave I have follow up patches that will add a selftest for this case and I ran
> the other reuseport related tests as well. These need to go in pretty quickly
> as it breaks kvm, I've marked them for stable. Sorry for the regression,
>

To clarify, it doesn't really break KVM specifically, but it breaks a
port collision detection idiom that libvirt depends on to successfully
launch qemu/xen/... VMs in certain cases.

Thanks,
Cole

\
 
 \ /
  Last update: 2017-09-18 19:45    [W:0.106 / U:1.600 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site