From: Jakub Kicinski Date: Tue, 9 Sep 2025 01:06:24 +0000 (-0700) Subject: Merge branch 'ipv6-snmp-avoid-performance-issue-with-ratelimithost' X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=144d0b1c45ea382c9ff6d7d9c6dfe609ae1ef169;p=users%2Fhch%2Fmisc.git Merge branch 'ipv6-snmp-avoid-performance-issue-with-ratelimithost' Eric Dumazet says: ==================== ipv6: snmp: avoid performance issue with RATELIMITHOST Addition of ICMP6_MIB_RATELIMITHOST in commit d0941130c9351 ("icmp: Add counters for rate limits") introduced a performance drop in case of DOS (like receiving UDP packets to closed ports). Per netns ICMP6_MIB_RATELIMITHOST tracking uses per-cpu storage and is enough, we do not need per-device and slow tracking for this metric. In v2 of this series, I completed the removal of SNMP_MIB_SENTINEL in all the kernel for consistency. v1: https://lore.kernel.org/20250904092432.113c4940@kernel.org ==================== Link: https://patch.msgid.link/20250905165813.1470708-1-edumazet@google.com Signed-off-by: Jakub Kicinski --- 144d0b1c45ea382c9ff6d7d9c6dfe609ae1ef169