linux-kernel - Re: [PATCH 3.2 000/125] 3.2.61-rc1 review

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Date:	Wed, 09 Jul 2014 03:01:12 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	torvalds@...ux-foundation.org,
	Satoru Takeuchi <satoru.takeuchi@...il.com>,
	akpm@...ux-foundation.org
Subject: Re: [PATCH 3.2 000/125] 3.2.61-rc1 review

On Tue, 2014-07-08 at 18:27 -0700, Guenter Roeck wrote:
[...]
> Qemu images fail to build for mips, mips64, and x86.
> 
> Build error seems to be always the same.
> 
> lib/nlattr.c: In function 'nla_parse':
> lib/nlattr.c:201:3: error: dereferencing pointer to incomplete type
> make[1]: *** [lib/nlattr.o] Error 1
> 
> Culprit is bfc5184b69 (netlink: rate-limit leftover bytes warning
> and print process name). In 3.2, it is necessary to include <linux/sched.h>
> explicitly to get the definition of 'struct task_struct'.

Thanks - I saw this same regression occurred with 3.4.y, but somehow I
missed what the solution was, and it didn't affect my x86_64 build.
It's odd that the compiler doesn't report the name of the incomplete
type - seems like that would have saved us some time.

Ben.

> Details are available at http://server.roeck-us.net:8010/builders.
> 
> Guenter
> 

-- 
Ben Hutchings
All the simple programs have been written, and all the good names taken.

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