linux-kernel - Re: [PATCH net-next 9/9] taskstats: use the libnl API to align nlattr on 64-bit

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Date:	Wed, 27 Apr 2016 12:41:15 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	bsingharora@...il.com
Cc:	nicolas.dichtel@...nd.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-wpan@...r.kernel.org,
	aar@...gutronix.de, pablo@...filter.org, kaber@...sh.net,
	kadlec@...ckhole.kfki.hu, pshelar@...ira.com, kuznet@....inr.ac.ru,
	jmorris@...ei.org, yoshfuji@...ux-ipv6.org,
	netfilter-devel@...r.kernel.org, dev@...nvswitch.org,
	steffen.klassert@...unet.com, herbert@...dor.apana.org.au
Subject: Re: [PATCH net-next 9/9] taskstats: use the libnl API to align
 nlattr on 64-bit

From: Balbir Singh <bsingharora@...il.com>
Date: Wed, 27 Apr 2016 22:29:22 +1000

> My concern is ABI breakage of user space.

The "ABI" is that unrecognized attributes must be silently ignored by
userspace.