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From: "Éric Piel" <Eric.Piel@tremplin-utc.net>
To: Christoph Hellwig <hch@lst.de>
Cc: Sergey Vlasov <vsu@altlinux.ru>,
	dsdt@gaugusch.at, len.brown@intel.com,
	linux-kernel@vger.kernel.org, Linus Torvalds <torvalds@osdl.org>,
	trenn@suse.de
Subject: Re: [PATCH] Allow populate_rootfs() to be called early
Date: Thu, 21 Feb 2008 22:27:09 +0100	[thread overview]
Message-ID: <47BDECAD.3020004@tremplin-utc.net> (raw)
In-Reply-To: <20080221190455.GA7275@lst.de>

21/02/08 20:04, Christoph Hellwig wrote/a écrit:
> On Thu, Feb 21, 2008 at 08:02:36PM +0100, Eric Piel wrote:
>> It's been a week and no one has screamed, so I guess the idea looks fine
>> to everyone :-) 
>>
>> Here is a boot tested patch for integration. In addition to the previous
>> version, it removes also rootfs_initcall(), and uses fs_initcall_sync().
>> There should be absolutely no difference in behaviour as there was no
>> user of fs_initcall_sync() in the kernel.
>>
>> I'm not sure what should be the best tree to go through. Maybe the ACPI
>> tree, as all this is needed for CONFIG_ACPI_CUSTOM_DSDT_INITRD...
> 
> Actually I've just got a report today where we get an uninitialized
> spinlock due to this in -mm.  It's probably possible to work around it,
> though.
What do you mean by "due to this"? Due to userspace helper being called
too early? Then this patch should fix the bug.

Eric

  reply	other threads:[~2008-02-21 21:27 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-10  7:12 acpi dsts loading and populate_rootfs Christoph Hellwig
2008-02-10  7:14 ` Christoph Hellwig
2008-02-10 11:58   ` Eric Piel
2008-02-11 13:47     ` Sergey Vlasov
2008-02-11 23:41       ` Éric Piel
2008-02-21 19:02         ` [PATCH] Allow populate_rootfs() to be called early (was: acpi dsts loading and populate_rootfs) Éric Piel
2008-02-21 19:04           ` Christoph Hellwig
2008-02-21 21:27             ` Éric Piel [this message]
2008-02-23 19:40           ` [PATCH] Allow populate_rootfs() to be called early (resent, with sob) Éric Piel
2008-02-12  5:37     ` acpi dsts loading and populate_rootfs Christoph Hellwig
2008-02-21 18:46       ` Éric Piel
2008-02-22  8:51         ` Thomas Renninger
2008-02-22  9:05           ` Thomas Renninger
2008-02-22  9:53           ` Andi Kleen
2008-02-23 19:34         ` [PATCH] Use userland-like functions for reading the ACPI table Éric Piel
2008-02-23 20:45           ` Linus Torvalds
2008-02-24  1:31             ` Christoph Hellwig
2008-02-24 19:02               ` Éric Piel

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