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From: Oleg Drokin <green@namesys.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Linus Torvalds <torvalds@transmeta.com>,
	William Lee Irwin III <wli@holomorphy.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [patch] generic-pidhash-2.5.36-D4, BK-curr
Date: Fri, 20 Sep 2002 12:27:16 +0400	[thread overview]
Message-ID: <20020920122716.A2297@namesys.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0209190344280.3935-100000@localhost.localdomain>

Hello!

On Thu, Sep 19, 2002 at 04:54:46AM +0200, Ingo Molnar wrote:

>  - unified kernel/pid.c and kernel/idtag.c into kernel/pid.c.

> +			/*
> +			 * Free the page if someone raced with us
> +			 * installing it:
> +			 */
> +			if (cmpxchg(&map->page, NULL, page))
> +				free_page(page);

Note that this piece breaks compilation for every arch that does not
have cmpxchg implementation.
This is the case with x86 (with CONFIG_X86_CMPXCHG undefined, e.g. i386),
ARM, CRIS, m68k, MIPS, MIPS64, PARISC, s390, SH, sparc32, UML (for x86).

Bye,
    Oleg

  parent reply	other threads:[~2002-09-20  8:22 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Pine.LNX.4.44.0209182101150.27697-100000@localhost.localdomain>
2002-09-19  2:54 ` Ingo Molnar
2002-09-19  6:10   ` Linus Torvalds
2002-09-19  9:25     ` Ingo Molnar
2002-09-19 10:59       ` William Lee Irwin III
2002-09-19 15:12         ` Linus Torvalds
2002-09-19 15:21           ` Ingo Molnar
2002-09-19 16:35           ` Andries Brouwer
2002-09-19 16:43             ` Linus Torvalds
2002-09-19 18:54               ` Miquel van Smoorenburg
2002-09-19 19:10               ` Kai Henningsen
2002-09-19 20:32                 ` Linus Torvalds
2002-09-19 22:29                   ` Miquel van Smoorenburg
2002-09-19 19:38               ` [patch] generic-pidhash-2.5.36-J2, BK-curr Ingo Molnar
2002-09-19 20:21                 ` Christoph Hellwig
2002-09-19 23:32                   ` Dave Jones
2002-09-19 23:46                     ` Ingo Molnar
2002-09-19 21:31                 ` Linus Torvalds
2002-09-19 21:39                   ` Ingo Molnar
2002-09-20  8:27   ` Oleg Drokin [this message]
2002-09-20  9:40     ` [patch] generic-pidhash-2.5.36-D4, BK-curr Ingo Molnar
2002-09-20 11:43       ` Oleg Drokin
2002-09-20 12:15         ` Russell King
2002-09-20 16:34         ` Ingo Molnar
2002-09-20 17:11       ` Andrew Morton
2002-09-20 13:03 Hanumanthu. H
2002-09-20 13:12 Hanumanthu. H
2002-09-20 13:09 ` Oleg Drokin
2002-09-20 16:47 ` Ingo Molnar

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