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SubjectRe: Regression: kernel 4.14 an later very slow with many ipsec tunnels
Wolfgang Walter <linux@stwm.de> wrote:
> there is now a new 4.19 which still has the big performance regression when
> many ipsec tunnels are configured (throughput and latency get worse by 10 to
> 50 times) which makes any kernel > 4.9 unusable for our routers.

https://git.breakpoint.cc/cgit/fw/net-next.git/log/?h=xfrm_pol_18

This is mostly untested, if you want to test this anyway and
find bugs please feel free to report them to me.

Improvements to test script in patch #1 welcome as well (its what
i've been using so far to test this).

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