From: Karsten Graul <kgraul@linux.ibm.com>
To: Wen Gu <guwen@linux.alibaba.com>, davem@davemloft.net, kuba@kernel.org
Cc: linux-s390@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net] net/smc: Forward wakeup to smc socket waitqueue after fallback
Date: Mon, 31 Jan 2022 08:39:52 +0100 [thread overview]
Message-ID: <a11cc19d-a2c0-32e0-7534-11dac5f6753e@linux.ibm.com> (raw)
In-Reply-To: <1643211184-53645-1-git-send-email-guwen@linux.alibaba.com>
On 26/01/2022 16:33, Wen Gu wrote:
> When we replace TCP with SMC and a fallback occurs, there may be
> some socket waitqueue entries remaining in smc socket->wq, such
> as eppoll_entries inserted by userspace applications.
>
> After the fallback, data flows over TCP/IP and only clcsocket->wq
> will be woken up. Applications can't be notified by the entries
> which were inserted in smc socket->wq before fallback. So we need
> a mechanism to wake up smc socket->wq at the same time if some
> entries remaining in it.
Acked-by: Karsten Graul <kgraul@linux.ibm.com>
next prev parent reply other threads:[~2022-01-31 7:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-26 15:33 Wen Gu
2022-01-26 15:43 ` Wen Gu
2022-01-31 7:39 ` Karsten Graul [this message]
2022-01-31 11:20 ` patchwork-bot+netdevbpf
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=a11cc19d-a2c0-32e0-7534-11dac5f6753e@linux.ibm.com \
--to=kgraul@linux.ibm.com \
--cc=davem@davemloft.net \
--cc=guwen@linux.alibaba.com \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-s390@vger.kernel.org \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®