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authorEric Dumazet <edumazet@google.com>2024-08-21 17:53:39 +0000
committerJakub Kicinski <kuba@kernel.org>2024-08-22 17:14:03 -0700
commit979b581e4c69257acab1af415ddad6b2d78a2fa5 (patch)
treed114fecd8ec244f1c3ab92b3660903141d7fc294 /tools/perf/scripts/python/call-graph-from-postgresql.py
parentMerge tag 'net-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff)
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pktgen: use cpus_read_lock() in pg_net_init()
I have seen the WARN_ON(smp_processor_id() != cpu) firing in pktgen_thread_worker() during tests. We must use cpus_read_lock()/cpus_read_unlock() around the for_each_online_cpu(cpu) loop. While we are at it use WARN_ON_ONCE() to avoid a possible syslog flood. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Eric Dumazet <edumazet@google.com> Link: https://patch.msgid.link/20240821175339.1191779-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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