Re: [PATCH 23/33] ipv6: add ip6_sock_set_recverr

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To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: [PATCH 23/33] ipv6: add ip6_sock_set_recverr
From: David Howells <dhowells@xxxxxxxxxx>
Date: Wed, 13 May 2020 14:25:19 +0100
Cc: dhowells@xxxxxxxxxx, "David S. Miller" <davem@xxxxxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Marcelo Ricardo Leitner <marcelo.leitner@xxxxxxxxx>, Eric Dumazet <edumazet@xxxxxxxxxx>, linux-nvme@xxxxxxxxxxxxxxxxxxx, linux-sctp@xxxxxxxxxxxxxxx, target-devel@xxxxxxxxxxxxxxx, linux-afs@xxxxxxxxxxxxxxxxxxx, drbd-dev@xxxxxxxxxxxxxxx, linux-cifs@xxxxxxxxxxxxxxx, rds-devel@xxxxxxxxxxxxxx, linux-rdma@xxxxxxxxxxxxxxx, cluster-devel@xxxxxxxxxx, Alexey Kuznetsov <kuznet@xxxxxxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, ceph-devel@xxxxxxxxxxxxxxx, linux-nfs@xxxxxxxxxxxxxxx, Neil Horman <nhorman@xxxxxxxxxxxxx>, Hideaki YOSHIFUJI <yoshfuji@xxxxxxxxxxxxxx>, netdev@xxxxxxxxxxxxxxx, Vlad Yasevich <vyasevich@xxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Jon Maloy <jmaloy@xxxxxxxxxx>, Ying Xue <ying.xue@xxxxxxxxxxxxx>, ocfs2-devel@xxxxxxxxxxxxxx
In-reply-to: <20200513062649.2100053-24-hch@lst.de>
Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903
References: <20200513062649.2100053-24-hch@lst.de> <20200513062649.2100053-1-hch@lst.de>

Christoph Hellwig <hch@xxxxxx> wrote:

> Add a helper to directly set the IPV6_RECVERR sockopt from kernel space
> without going through a fake uaccess.
> 
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Reviewed-by: David Howells <dhowells@xxxxxxxxxx>

References:
- [PATCH 23/33] ipv6: add ip6_sock_set_recverr
  - From: Christoph Hellwig
- remove kernel_setsockopt and kernel_getsockopt
  - From: Christoph Hellwig

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