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authorEric Dumazet <edumazet@google.com>2024-12-19 18:03:30 +0300
committerJakub Kicinski <kuba@kernel.org>2024-12-21 00:04:40 +0300
commit05dd04b218f42c57a14e330fd8583995f141ed6b (patch)
tree3ddeeb723012bd6ebc2fd67c8bf1c38a5d0da269 /tools/perf/scripts/python/export-to-postgresql.py
parent710aebdad633d4608568ba8124d643e01866fc6d (diff)
downloadlinux-05dd04b218f42c57a14e330fd8583995f141ed6b.tar.xz
inetpeer: avoid false sharing in inet_peer_xrlim_allow()
Under DOS, inet_peer_xrlim_allow() might be called millions of times per second from different cpus. Make sure to write over peer->rate_tokens and peer->rate_last only when really needed. Note the inherent races of this function are still there, we do not care of precise ICMP rate limiting. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20241219150330.3159027-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
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