Files
linux-stable-mirror/net
Mark TomlinsonandGreg Kroah-Hartman c33f918758 Revert "netfilter: x_tables: Update remaining dereference to RCU"
[ Upstream commit abe7034b9a ]

This reverts commit 443d6e86f8.

This (and the following) patch basically re-implemented the RCU
mechanisms of patch 784544739a. That patch was replaced because of the
performance problems that it created when replacing tables. Now, we have
the same issue: the call to synchronize_rcu() makes replacing tables
slower by as much as an order of magnitude.

Revert these patches and fix the issue in a different way.

Signed-off-by: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-03-30 14:32:06 +02:00
..