From: Russell King <rmk+lkml@arm.linux.org.uk>
To: David Brownell <david-b@pacbell.net>
Cc: Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: Linux 2.6.10-rc3
Date: Sun, 5 Dec 2004 12:14:46 +0000 [thread overview]
Message-ID: <20041205121446.B25743@flint.arm.linux.org.uk> (raw)
In-Reply-To: <200412041903.55583.david-b@pacbell.net>; from david-b@pacbell.net on Sat, Dec 04, 2004 at 07:03:55PM -0800
On Sat, Dec 04, 2004 at 07:03:55PM -0800, David Brownell wrote:
> > From: Martin Josefsson <gandalf () wlug ! westbo ! se>
> > Date: 2004-12-04 21:42:11
> >
> > That's an usb2.0 bug, the ehci driver sleeps when it can't sleep.
>
> Who changed it so that context was no longer allowed to sleep???
suspend and resume methods must be able to sleep because you may
need to talk to external hardware, wait for queues to drain, etc
which may in turn require kernel threads to run.
We must be able to sleep in suspend/resume methods. PCMCIA requires
it, as do other subsystems.
--
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:[~2004-12-05 12:14 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-05 3:03 Linux 2.6.10-rc3 David Brownell
2004-12-05 4:07 ` Benjamin Herrenschmidt
2004-12-05 12:14 ` Russell King [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-12-04 0:19 Linus Torvalds
2004-12-04 9:06 ` Soeren Sonnenburg
2004-12-04 17:06 ` Alex Romosan
2004-12-04 17:24 ` Ari Pollak
2004-12-04 17:40 ` Alex Romosan
2004-12-04 19:21 ` Ari Pollak
2004-12-04 21:17 ` Martin Josefsson
2004-12-04 21:37 ` Alex Romosan
2004-12-04 21:42 ` Martin Josefsson
2004-12-04 23:48 ` Paul Ionescu
2004-12-04 21:47 ` Giridhar Pemmasani
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