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u64_stats: fix u64_stats_init() for lockdep when used repeatedly in o…
…ne file [ Upstream commit 38a15d0 ] Fix bogus lockdep warnings if multiple u64_stats_sync variables are initialized in the same file. With CONFIG_LOCKDEP, seqcount_init() is a macro which declares: static struct lock_class_key __key; Since u64_stats_init() is a function (albeit an inline one), all calls within the same file end up using the same instance, effectively treating them all as a single lock-class. Fixes: 9464ca6 ("net: make u64_stats_init() a function") Closes: https://lore.kernel.org/netdev/ea1567d9-ce66-45e6-8168-ac40a47d1821@roeck-us.net/ Signed-off-by: Petr Tesarik <petr@tesarici.cz> Reviewed-by: Simon Horman <horms@kernel.org> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20240404075740.30682-1-petr@tesarici.cz Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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