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raw_diag_dump() can use rcu_read_lock() instead of read_lock() Now the hashinfo lock is only used from process context, in write mode only, we can convert it to a spinlock, and we do not need to block BH anymore. Signed-off-by: Eric Dumazet <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Paolo Abeni <[email protected]>