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Message-ID: <20210628100304.570838-1-arseny.krasnov@kaspersky.com>
Date: Mon, 28 Jun 2021 13:03:01 +0300
From: Arseny Krasnov <arseny.krasnov@...persky.com>
To: Stefan Hajnoczi <stefanha@...hat.com>,
Stefano Garzarella <sgarzare@...hat.com>,
"Michael S. Tsirkin" <mst@...hat.com>,
Jason Wang <jasowang@...hat.com>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Arseny Krasnov <arseny.krasnov@...persky.com>,
Andra Paraschiv <andraprs@...zon.com>,
Colin Ian King <colin.king@...onical.com>,
Norbert Slusarek <nslusarek@....net>
CC: <kvm@...r.kernel.org>, <virtualization@...ts.linux-foundation.org>,
<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<oxffffaa@...il.com>
Subject: [RFC PATCH v1 06/16] vsock/virtio: remove record size limit for SEQPACKET
Remove record size limit which was 'peer_buf_alloc' value.
New approach doesn't need this, because data is copied to
user's buffer in stream manner(we don't wait until whole
record is received).
Signed-off-by: Arseny Krasnov <arseny.krasnov@...persky.com>
---
net/vmw_vsock/virtio_transport_common.c | 11 -----------
1 file changed, 11 deletions(-)
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index bc25961509e0..84431d7a87a5 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -503,17 +503,6 @@ virtio_transport_seqpacket_enqueue(struct vsock_sock *vsk,
struct msghdr *msg,
size_t len)
{
- struct virtio_vsock_sock *vvs = vsk->trans;
-
- spin_lock_bh(&vvs->tx_lock);
-
- if (len > vvs->peer_buf_alloc) {
- spin_unlock_bh(&vvs->tx_lock);
- return -EMSGSIZE;
- }
-
- spin_unlock_bh(&vvs->tx_lock);
-
return virtio_transport_stream_enqueue(vsk, msg, len);
}
EXPORT_SYMBOL_GPL(virtio_transport_seqpacket_enqueue);
--
2.25.1
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