Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter

[PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · Daniel Borkmann <daniel@iogearbox.net> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · Alexei Starovoitov <hidden> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · Michal Kubecek <hidden> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · Alexei Starovoitov <hidden> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · Michal Kubecek <hidden> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · Alexei Starovoitov <hidden> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · Daniel Borkmann <daniel@iogearbox.net> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · Eric Dumazet <hidden> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · Daniel Borkmann <daniel@iogearbox.net> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · David Miller <davem@davemloft.net> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · Hannes Frederic Sowa <hidden> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · Alexei Starovoitov <hidden> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · David Miller <davem@davemloft.net> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · David Miller <davem@davemloft.net> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · Hannes Frederic Sowa <hidden> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · David Miller <davem@davemloft.net> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · Daniel Borkmann <daniel@iogearbox.net> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · Hannes Frederic Sowa <hidden> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · Hannes Frederic Sowa <hidden> · 2016-03-31
Re: [PATCH net] tun, bpf: fix suspicious RCU usage in tun_{attach,detach}_filter · Jiri Slaby <hidden> · 2016-03-31

From: Eric Dumazet <hidden>
Date: 2016-03-31 11:59:22

On Thu, 2016-03-31 at 13:35 +0200, Daniel Borkmann wrote:

+static inline bool sock_owned_externally(const struct sock *sk)
+{
+	return sk->sk_flags & (1UL << SOCK_EXTERNAL_OWNER);
+}
+

Have you reinvented sock_flag(sl, SOCK_EXTERNAL_OWNER) ? ;)

Anyway, using a flag for this purpose sounds overkill to me.

Setting it is a way to 'fool' lockdep anyway...

`h`	back out one level
`j`	next message in thread
`k`	previous message in thread
`l`	drill in
`Esc`	close help / fold thread tree
`?`	toggle this help