kernel: delete Linux 5.4 config and patches

[openwrt/staging/wigyori.git] / target / linux / layerscape / patches-5.4 / 809-jailhouse-0012-ivshmem-net-fill-in-and-check-used-descriptor-chain-.patch

diff --git a/target/linux/layerscape/patches-5.4/809-jailhouse-0012-ivshmem-net-fill-in-and-check-used-descriptor-chain-.patch b/target/linux/layerscape/patches-5.4/809-jailhouse-0012-ivshmem-net-fill-in-and-check-used-descriptor-chain-.patch
deleted file mode 100644 (file)
index cdd9f56..0000000
--- a/target/linux/layerscape/patches-5.4/809-jailhouse-0012-ivshmem-net-fill-in-and-check-used-descriptor-chain-.patch
+++ /dev/null
@@ -1,65 +0,0 @@
-From ec72823546e39cd486360f44db16cf47f7e8f59e Mon Sep 17 00:00:00 2001
-From: Henning Schild <henning.schild@siemens.com>
-Date: Mon, 18 Sep 2017 18:02:08 +0200
-Subject: [PATCH] ivshmem-net: fill in and check used descriptor chain len
-
-We are using chains of len==1 make that explicit and expect that from
-the remote.
-
-Signed-off-by: Henning Schild <henning.schild@siemens.com>
-Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
-(cherry picked from commit f958c360044184f58605815d428b83fe4329cafd)
----
- drivers/net/ivshmem-net.c | 14 ++++++++------
- 1 file changed, 8 insertions(+), 6 deletions(-)
-
---- a/drivers/net/ivshmem-net.c
-+++ b/drivers/net/ivshmem-net.c
-@@ -335,10 +335,10 @@ static void ivshm_net_tx_clean(struct ne
- {
-       struct ivshm_net *in = netdev_priv(ndev);
-       struct ivshm_net_queue *tx = &in->tx;
-+      struct vring_used_elem *used;
-       struct vring *vr = &tx->vr;
-       struct vring_desc *desc;
-       struct vring_desc *fdesc;
--      unsigned int used;
-       unsigned int num;
-       u16 used_idx;
-       u16 last;
-@@ -358,13 +358,14 @@ static void ivshm_net_tx_clean(struct ne
-               u32 len;
-               u32 tail;
- 
--              used = vr->used->ring[last & (vr->num - 1)].id;
--              if (used >= vr->num) {
--                      netdev_err(ndev, "invalid tx used %d\n", used);
-+              used = vr->used->ring + (last % vr->num);
-+              if (used->id >= vr->num || used->len != 1) {
-+                      netdev_err(ndev, "invalid tx used->id %d ->len %d\n",
-+                                 used->id, used->len);
-                       break;
-               }
- 
--              desc = &vr->desc[used];
-+              desc = &vr->desc[used->id];
- 
-               data = ivshm_net_desc_data(in, &in->tx, desc, &len);
-               if (!data) {
-@@ -383,7 +384,7 @@ static void ivshm_net_tx_clean(struct ne
-               else
-                       desc->next = fhead;
- 
--              fhead = used;
-+              fhead = used->id;
-               last++;
-               num++;
-       }
-@@ -433,6 +434,7 @@ static void ivshm_net_rx_finish(struct i
- 
-       used = rx->last_used_idx++ & (vr->num - 1);
-       vr->used->ring[used].id = desc_id;
-+      vr->used->ring[used].len = 1;
- 
-       virt_store_release(&vr->used->idx, rx->last_used_idx);
- }