kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

1 files changed, 0 insertions, 41 deletions

diff --git a/target/linux/generic/backport-5.4/080-wireguard-0077-wireguard-allowedips-use-kfree_rcu-instead-of-call_r.patch b/target/linux/generic/backport-5.4/080-wireguard-0077-wireguard-allowedips-use-kfree_rcu-instead-of-call_r.patch
deleted file mode 100644
index edd90484dd..0000000000
--- a/target/linux/generic/backport-5.4/080-wireguard-0077-wireguard-allowedips-use-kfree_rcu-instead-of-call_r.patch
+++ /dev/null
@@ -1,41 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: Wei Yongjun <weiyongjun1@huawei.com>
-Date: Sun, 15 Dec 2019 22:08:04 +0100
-Subject: [PATCH] wireguard: allowedips: use kfree_rcu() instead of call_rcu()
-
-commit d89ee7d5c73af15c1c6f12b016cdf469742b5726 upstream.
-
-The callback function of call_rcu() just calls a kfree(), so we
-can use kfree_rcu() instead of call_rcu() + callback function.
-
-Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
-Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
-Signed-off-by: David S. Miller <davem@davemloft.net>
-Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
----
- drivers/net/wireguard/allowedips.c | 7 +------
- 1 file changed, 1 insertion(+), 6 deletions(-)
-
---- a/drivers/net/wireguard/allowedips.c
-+++ b/drivers/net/wireguard/allowedips.c
-@@ -31,11 +31,6 @@ static void copy_and_assign_cidr(struct
- #define CHOOSE_NODE(parent, key) \
- 	parent->bit[(key[parent->bit_at_a] >> parent->bit_at_b) & 1]
- 
--static void node_free_rcu(struct rcu_head *rcu)
--{
--	kfree(container_of(rcu, struct allowedips_node, rcu));
--}
--
- static void push_rcu(struct allowedips_node **stack,
- 		     struct allowedips_node __rcu *p, unsigned int *len)
- {
-@@ -112,7 +107,7 @@ static void walk_remove_by_peer(struct a
- 				if (!node->bit[0] || !node->bit[1]) {
- 					rcu_assign_pointer(*nptr, DEREF(
- 					       &node->bit[!REF(node->bit[0])]));
--					call_rcu(&node->rcu, node_free_rcu);
-+					kfree_rcu(node, rcu);
- 					node = DEREF(nptr);
- 				}
- 			}