From: David Miller <davem@davemloft.net>
To: sowmini.varadhan@oracle.com
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH RESEND V3 net-next 0/3] RDS: optimized notification for zerocopy completion
Date: Tue, 27 Feb 2018 14:19:38 -0500 (EST) [thread overview]
Message-ID: <20180227.141938.143210324321316647.davem@davemloft.net> (raw)
In-Reply-To: <cover.1519753452.git.sowmini.varadhan@oracle.com>
From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Date: Tue, 27 Feb 2018 09:52:41 -0800
> Resending with acked-by additions: previous attempt does not show
> up in Patchwork. This time with a new mail Message-Id.
>
> RDS applications use predominantly request-response, transacation
> based IPC, so that ingress and egress traffic are well-balanced,
> and it is possible/desirable to reduce system-call overhead by
> piggybacking the notifications for zerocopy completion response
> with data.
>
> Moreover, it has been pointed out that socket functions block
> if sk_err is non-zero, thus if the RDS code does not plan/need
> to use sk_error_queue path for completion notification, it
> is preferable to remove the sk_errror_queue related paths in
> RDS.
>
> Both of these goals are implemented in this series.
>
> v2: removed sk_error_queue support
> v3: incorporated additional code review comments (details in each patch)
Series applied, thank you.
next prev parent reply other threads:[~2018-02-27 19:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-27 17:52 [PATCH RESEND V3 net-next 0/3] RDS: optimized notification for zerocopy completion Sowmini Varadhan
2018-02-27 17:52 ` [PATCH RESEND V3 net-next 1/3] selftests/net: revert the zerocopy Rx path for PF_RDS Sowmini Varadhan
2018-02-27 17:52 ` [PATCH RESEND V3 net-next 2/3] rds: deliver zerocopy completion notification with data Sowmini Varadhan
2018-02-27 17:52 ` [PATCH RESEND V3 net-next 3/3] selftests/net: reap zerocopy completions passed up as ancillary data Sowmini Varadhan
2018-02-27 19:19 ` David Miller [this message]
-- strict thread matches above, loose matches on Subject: below --
2018-02-27 17:08 [PATCH RESEND V3 net-next 0/3] RDS: optimized notification for zerocopy completion Sowmini Varadhan
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