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From: "H. Peter Anvin" <hpa@zytor.com>
To: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Andreas Schwab <schwab@linux-m68k.org>,
	Ian Kent <raven@themaw.net>, David Miller <davem@davemloft.net>,
	linux-kernel@vger.kernel.org, autofs@vger.kernel.org,
	Thomas Meyer <thomas@m3y3r.de>, Al Viro <viro@zeniv.linux.org.uk>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: Re: [PATCH] autofs4: fix compilation without CONFIG_COMPAT
Date: Mon, 27 Feb 2012 08:22:42 -0800	[thread overview]
Message-ID: <4F4BADD2.5020908@zytor.com> (raw)
In-Reply-To: <20120227090951.GA2681@osiris.boeblingen.de.ibm.com>

On 02/27/2012 01:09 AM, Heiko Carstens wrote:
> On Mon, Feb 27, 2012 at 08:29:25AM +0100, Christian Borntraeger wrote:
>> 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.
>
> It breaks only !COMPAT builds on s390, since only we have the is_compat_task()
> function defined for !COMPAT. The reason for that was simply to get rid of a
> couple of ugly  #ifdefs.
> Note, that we still need to include asm/compat.h in some file since we need the
> compat_ptr typedef.
> That might be ugly, but I preferred including that header file so we could get
> rid of the #ifdefs.
> Anyway... the patch below fixes the build issues:
>

This patch would seem to be The Right Thing; the combination of this 
really takes what s390 has done in arch space and globalizes it.

	-hpa


  reply	other threads:[~2012-02-27 16:23 UTC|newest]

Thread overview: 49+ 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
2012-02-27  9:09                     ` Heiko Carstens
2012-02-27 16:22                       ` H. Peter Anvin [this message]
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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