linux-kernel - Build broken on s390 and ia64 [was: Linux 2.6.32.58]

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Date:	Mon, 05 Mar 2012 12:32:58 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org, stable@...r.kernel.org, lwn@....net,
	Tony Luck <tony.luck@...el.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Jiri Slaby <jirislaby@...il.com>
Subject: Build broken on s390 and ia64 [was: Linux 2.6.32.58]

On 03/04/2012 07:09 PM, Greg KH wrote:
> I'm announcing the release of the 2.6.32.58 kernel.
...
> Heiko Carstens (1): compat: fix compile breakage on s390

It's not that minimal it suggests. It removed asm/compat.h inclusion
from arch/s390/kernel/setup.c. This causes build failures on
!CONFIG_COMPAT:
arch/s390/kernel/setup.c: In function 'setup_addressing_mode':
arch/s390/kernel/setup.c:382: error: 'PSW32_ASC_SECONDARY' undeclared
(first use in this function)
arch/s390/kernel/setup.c:382: error: (Each undeclared identifier is
reported only once
arch/s390/kernel/setup.c:382: error: for each function it appears in.)
arch/s390/kernel/setup.c:389: error: 'PSW32_ASC_PRIMARY' undeclared
(first use in this function)

Perhaps asm/compat.h should be included from linux/compat.h
unconditionally...

> Linus Torvalds (2): Fix autofs compile without CONFIG_COMPAT

But who defines is_compat_task *with* CONFIG_COMPAT on ia64?

fs/autofs4/inode.c: In function 'autofs4_fill_super':
fs/autofs4/inode.c:345: error: implicit declaration of function
'is_compat_task'

thanks,
-- 
js
suse labs
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