Subject: Re: [PATCH net 2/5] net/smc: fix incorrect barrier usage

From: Heiko Carstens <[email-masked]>
Date: Wed, 11 Oct 2023 10:44:16 +0200

On Wed, Oct 11, 2023 at 03:33:17PM +0800, D. Wythe wrote:
> From: "D. Wythe" <[email-masked]>
> 
> This patch add explicit CPU barrier to ensure memory
> consistency rather than compiler barrier.
> 
> Besides, the atomicity between READ_ONCE and cmpxhcg cannot
> be guaranteed, so we need to use atomic ops. The simple way
> is to replace READ_ONCE with xchg.
> 
> Fixes: 475f9ff63ee8 ("net/smc: fix application data exception")
> Co-developed-by: Heiko Carstens <[email-masked]>
> Signed-off-by: Heiko Carstens <[email-masked]>

^^^
I did not Co-develop this, nor did I provide an explicit Signed-off-by.
Please don't add Signed-off-by statements which have not been explicitly
agreed on.