From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Greg KH <greg@kroah.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Driver Core patches for 2.6.10-rc1
Date: Tue, 2 Nov 2004 22:32:29 +0000 [thread overview]
Message-ID: <20041102223229.A10969@flint.arm.linux.org.uk> (raw)
In-Reply-To: <10993462773570@kroah.com>; from greg@kroah.com on Mon, Nov 01, 2004 at 01:57:57PM -0800
On Mon, Nov 01, 2004 at 01:57:57PM -0800, Greg KH wrote:
> This patch fixes the problem by using a separate semaphore, called
> dpm_list_sem, to cover the places where we need the device pm lists to be
> stable, and by being careful about how we traverse the lists on suspend and
> resume. I have analysed the various cases that can occur and I am
> confident that I have handled them all correctly. I posted this patch
> together with a detailed analysis 10 days ago.
Does this mean that a device driver can have its suspend or resume
methods called in the middle of a probe or remove on a different CPU ?
(note: x86 APM does not freeze all processes last time I checked...)
If yes, has anyone audited the drivers to ensure that they're correct
in respect of this?
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/
2.6 Serial core
next prev parent reply other threads:[~2004-11-03 0:35 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-01 21:54 [BK PATCH] " Greg KH
2004-11-01 21:57 ` [PATCH] " Greg KH
2004-11-01 21:57 ` Greg KH
2004-11-01 21:57 ` Greg KH
2004-11-01 21:57 ` Greg KH
2004-11-01 21:57 ` Greg KH
2004-11-01 21:57 ` Greg KH
2004-11-01 21:57 ` Greg KH
2004-11-01 21:57 ` Greg KH
2004-11-01 21:57 ` Greg KH
2004-11-01 21:57 ` Greg KH
2004-11-01 21:57 ` Greg KH
2004-11-01 21:57 ` Greg KH
2004-11-01 21:57 ` Greg KH
2004-11-01 21:57 ` Greg KH
2004-11-02 22:32 ` Russell King [this message]
2004-11-07 15:28 ` Russell King
2004-11-10 1:37 ` Greg KH
2004-11-10 2:57 ` Paul Mackerras
2004-11-10 8:36 ` Russell King
2004-11-10 21:36 ` Paul Mackerras
2004-11-11 0:00 ` Nigel Cunningham
2004-11-11 20:52 ` Russell King
2004-11-12 0:28 ` Greg KH
2004-11-01 23:44 ` Pozsar Balazs
-- strict thread matches above, loose matches on Subject: below --
2004-10-22 23:09 [BK PATCH] " Greg KH
2004-10-22 23:09 ` [PATCH] " Greg KH
2004-10-22 23:09 ` Greg KH
2004-10-22 23:09 ` Greg KH
2004-10-22 23:09 ` Greg KH
2004-10-22 23:09 ` Greg KH
2004-10-22 23:09 ` Greg KH
2004-10-22 23:09 ` Greg KH
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