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From: Chuck Lever III <chuck.lever@oracle.com>
To: Hannes Reinecke <hare@suse.de>
Cc: Alexander Krizhanovsky <ak@tempesta-tech.com>,
	Boris Pismenny <borisp@nvidia.com>,
	netdev <netdev@vger.kernel.org>,
	Linux NFS Mailing List <linux-nfs@vger.kernel.org>,
	CIFS <linux-cifs@vger.kernel.org>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH RFC 2/5] tls: build proto after context has been initialized
Date: Fri, 20 May 2022 16:39:50 +0000	[thread overview]
Message-ID: <A3B90CCA-6C9F-4459-AE11-02AB93BDF25A@oracle.com> (raw)
In-Reply-To: <165030057652.5073.10364318727607743572.stgit@oracle-102.nfsv4.dev>



> On Apr 18, 2022, at 12:49 PM, Chuck Lever <chuck.lever@oracle.com> wrote:
> 
> From: Hannes Reinecke <hare@suse.de>
> 
> We have to build the proto ops only after the context has been
> initialized, as otherwise we might crash when I/O is ongoing
> during initialisation.
> 
> Signed-off-by: Hannes Reinecke <hare@suse.de>
> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
> ---
> net/tls/tls_main.c |    3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
> index 7b2b0e7ffee4..7eca4d9a83c4 100644
> --- a/net/tls/tls_main.c
> +++ b/net/tls/tls_main.c
> @@ -836,8 +836,6 @@ static int tls_init(struct sock *sk)
> 	struct tls_context *ctx;
> 	int rc = 0;
> 
> -	tls_build_proto(sk);
> -
> #ifdef CONFIG_TLS_TOE
> 	if (tls_toe_bypass(sk))
> 		return 0;
> @@ -862,6 +860,7 @@ static int tls_init(struct sock *sk)
> 
> 	ctx->tx_conf = TLS_BASE;
> 	ctx->rx_conf = TLS_BASE;
> +	tls_build_proto(sk);
> 	update_sk_prot(sk, ctx);
> out:
> 	write_unlock_bh(&sk->sk_callback_lock);
> 
> 

While we're working on a better upcall mechanism, I'm dropping
this one from the series. tls_build_proto() can grab a mutex,
so tls_init() can't call it while holding sk_callback_lock.


--
Chuck Lever




  parent reply	other threads:[~2022-05-20 16:40 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-18 16:49 [PATCH RFC 0/5] Implement a TLS handshake upcall Chuck Lever
2022-04-18 16:49 ` [PATCH RFC 1/5] net: Add distinct sk_psock field Chuck Lever
2022-04-21  7:35   ` Hannes Reinecke
2022-07-13  4:46     ` Hawkins Jiawei
2022-07-13  4:46       ` Hawkins Jiawei
2022-04-18 16:49 ` [PATCH RFC 2/5] tls: build proto after context has been initialized Chuck Lever
2022-04-25 17:11   ` Jakub Kicinski
2022-04-25 17:51     ` Chuck Lever III
2022-05-20 16:39   ` Chuck Lever III [this message]
2022-04-18 16:49 ` [PATCH RFC 3/5] net/tls: Add an AF_TLSH address family Chuck Lever
2022-04-21  7:35   ` Hannes Reinecke
2022-04-18 16:49 ` [PATCH RFC 4/5] net/tls: Add support for PF_TLSH (a TLS handshake listener) Chuck Lever
2022-04-21  7:36   ` Hannes Reinecke
2022-04-25 17:14   ` Jakub Kicinski
2022-04-26  9:43     ` Hannes Reinecke
2022-04-26 14:29       ` Sagi Grimberg
2022-04-26 15:02         ` Jakub Kicinski
2022-04-26 15:58           ` Hannes Reinecke
2022-04-27  0:03             ` Jakub Kicinski
2022-04-27 15:24               ` Chuck Lever III
2022-04-28  7:26               ` Hannes Reinecke
2022-04-28 13:30                 ` Jakub Kicinski
2022-04-28 13:51                   ` Hannes Reinecke
2022-04-28 14:09                     ` Benjamin Coddington
2022-04-28 21:08                       ` Jakub Kicinski
2022-05-24 10:05                         ` [ovs-dev] " Ilya Maximets
2022-04-26 14:55       ` Jakub Kicinski
2022-04-26 13:48     ` Chuck Lever III
2022-04-26 14:55       ` Jakub Kicinski
2022-04-26 15:58         ` Chuck Lever III
2022-04-26 23:47           ` Jakub Kicinski
2022-04-27 14:42             ` Chuck Lever III
2022-04-27 23:53               ` Jakub Kicinski
2022-04-28  1:29                 ` Chuck Lever III
2022-04-28 21:08                   ` Jakub Kicinski
2022-04-28 21:54                     ` Chuck Lever III
2022-04-28  8:49   ` Boris Pismenny
2022-04-28 13:12     ` Simo Sorce
2022-04-29 15:19       ` Chuck Lever III
2022-04-28 15:24     ` Chuck Lever III
2022-04-29  6:25       ` Hannes Reinecke
2022-04-18 16:49 ` [PATCH RFC 5/5] net/tls: Add observability for AF_TLSH sockets Chuck Lever
2022-04-21  7:36   ` Hannes Reinecke

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