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From: Christian Borntraeger <borntraeger@de.ibm.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andreas Schwab <schwab@linux-m68k.org>,
	Ian Kent <raven@themaw.net>, David Miller <davem@davemloft.net>,
	linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	autofs@vger.kernel.org, Thomas Meyer <thomas@m3y3r.de>,
	Al Viro <viro@zeniv.linux.org.uk>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: Re: [PATCH] autofs4: fix compilation without CONFIG_COMPAT
Date: Mon, 27 Feb 2012 08:29:25 +0100	[thread overview]
Message-ID: <4F4B30D5.6050305@de.ibm.com> (raw)
In-Reply-To: <CA+55aFxH4_gucG7vpdV5NJPNHoXy5bSGtr0yHqmobvYO6PmjNw@mail.gmail.com>

On 26/02/12 02:31, Linus Torvalds wrote:
>  
> +#else
> +
> +#define is_compat_task() (0)
> +

Linus,

this breaks 32bit builds of s390 (and maybe others), since several platforms already
define a is_compat_task. This macro then destroys the definition of the function
making

static inline int is_compat_task(void)
{
        return 0;
}


into

static inline int 0
{
        return 0;
}

e.g.

In file included from arch/s390/mm/fault.c:39:0:
/home/autobuild/BUILD/linux-3.3.0-rc5.00060.g203738e.49.x.20120227/arch/s390/include/asm/compat.h:177:38: error: macro "is_compat_task" passed 1 arguments, but takes just 0
/home/autobuild/BUILD/linux-3.3.0-rc5.00060.g203738e.49.x.20120227/arch/s390/include/asm/compat.h:178:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
  CC      arch/s390/kernel/time.o




Christian

  parent reply	other threads:[~2012-02-27  7:29 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-22  2:24 compat: autofs v5 packet size ambiguity - update Linus Torvalds
2012-02-22  3:16 ` David Miller
2012-02-22  3:33   ` Linus Torvalds
2012-02-22  3:47     ` Linus Torvalds
2012-02-22  4:20       ` Ian Kent
2012-02-22  4:56       ` Linus Torvalds
2012-02-22  5:43         ` Ian Kent
2012-02-22  5:53           ` Ian Kent
2012-02-22  5:57             ` Ian Kent
2012-02-22  9:32               ` Ian Kent
2012-02-22 12:15                 ` Ian Kent
2012-02-22 12:39                   ` Ian Kent
2012-02-22 12:45                     ` Ian Kent
2012-02-22 16:20                       ` Linus Torvalds
2012-02-22 15:13                 ` H. Peter Anvin
2012-02-23  1:35                   ` Ian Kent
2012-02-22 16:12                 ` Linus Torvalds
2012-02-23  1:48                   ` Ian Kent
2012-02-23  1:54                     ` Ian Kent
2012-02-23  2:21                       ` Ian Kent
2012-02-23  6:29                         ` Ian Kent
2012-02-23  6:31                           ` H. Peter Anvin
2012-02-23 11:20                             ` Ian Kent
2012-02-23 11:26                               ` Ian Kent
2012-02-23  8:54                         ` Thomas Meyer
2012-02-23  1:56                     ` Linus Torvalds
2012-02-23  2:09                       ` Ian Kent
2012-02-23  2:11                         ` Ian Kent
2012-02-23  2:25                         ` Linus Torvalds
2012-02-23  2:32                           ` Ian Kent
2012-02-25 11:28               ` Thomas Meyer
2012-02-25 22:10               ` [PATCH] autofs4: fix compilation without CONFIG_COMPAT Andreas Schwab
2012-02-26  1:31                 ` Linus Torvalds
2012-02-26  1:46                   ` H. Peter Anvin
2012-02-26  1:53                     ` Linus Torvalds
2012-02-26  3:07                       ` H. Peter Anvin
2012-02-26  9:05                   ` Andreas Schwab
2012-02-27  7:29                   ` Christian Borntraeger [this message]
2012-02-27  9:09                     ` Heiko Carstens
2012-02-27  9:09                       ` Heiko Carstens
2012-02-27 16:22                       ` H. Peter Anvin
2012-02-27 16:25                         ` Linus Torvalds
2012-02-27  9:20                     ` Ian Kent
2012-02-22  6:02           ` compat: autofs v5 packet size ambiguity - update H. Peter Anvin
2012-02-22 16:10             ` Linus Torvalds
2012-02-22 17:43               ` H. Peter Anvin
2012-02-22 17:45               ` H. Peter Anvin
2012-02-22 18:16                 ` Linus Torvalds
2012-02-22 18:19                   ` Linus Torvalds
2012-02-22 18:20                   ` H. Peter Anvin

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