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Date: Wed, 24 Jun 2020 00:06:50 +0200 From: Michal Kubecek <mkubecek@...e.cz> To: Oliver Herms <oliver.peter.herms@...il.com> Cc: Eric Dumazet <eric.dumazet@...il.com>, netdev@...r.kernel.org, davem@...emloft.net, kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org, kuba@...nel.org Subject: Re: [PATCH] IPv6: Fix CPU contention on FIB6 GC On Tue, Jun 23, 2020 at 01:30:29AM +0200, Oliver Herms wrote: > > I'm encountering the issues due to cache entries that are created by > tnl_update_pmtu. However, I'm going to address that issue in another thread > and patch. > > As entries in the cache can be caused on many ways this should be fixed on the GC > level. Actually, not so many as starting with (IIRC) 4.2, IPv6 routing cache is only used for exceptions (like PMTU), not for regular lookup results. Michal
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