mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

netfilter: nf_tables: remove rcu read-size lock 

Chain stats are updated from the Netfilter hook path which already run
under rcu read-size lock section.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2021-12-10 00:06:44 +01:00
parent fc0d026a2f
commit 0d1873a522
1 changed files with 0 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/netfilter/nf_tables_core.c
View File

@ -110,7 +110,6 @@ static noinline void nft_update_chain_stats(const struct nft_chain *chain,
base_chain = nft_base_chain(chain);
rcu_read_lock();
pstats = READ_ONCE(base_chain->stats);
if (pstats) {
local_bh_disable();
@ -121,7 +120,6 @@ static noinline void nft_update_chain_stats(const struct nft_chain *chain,
u64_stats_update_end(&stats->syncp);
local_bh_enable();
}
rcu_read_unlock();
}
struct nft_jumpstack {