From: Pavel Machek <pavel@ucw.cz>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: linux-pm@lists.osdl.org, linux-kernel@linux.kernel.org
Subject: Re: Userspace interface breakage in power/state
Date: Mon, 16 Jan 2006 20:20:36 +0100 [thread overview]
Message-ID: <20060116192036.GA6851@elf.ucw.cz> (raw)
In-Reply-To: <20060116002516.GB4648@srcf.ucam.org>
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On Po 16-01-06 00:25:17, Matthew Garrett wrote:
> In older kernels, power/state for PCI devices took a PCI power state as
> an argument and so "3" was an entirely sensible thing to echo into it.
> In current kernels, it hits a BUG() in pci_choose_state and things blow
> up.
>
> While I realise that the former interface was broken and wrong, would it
> be possible to move to a new one without breaking existing code?
I had patch to fix this breakage, but it was rejected. What depends on
that code?
Pavel
--
Thanks, Sharp!
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next prev parent reply other threads:[~2006-01-16 19:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-16 0:25 Userspace interface breakage in power/state Matthew Garrett
2006-01-16 19:20 ` Pavel Machek [this message]
2006-01-16 19:25 ` Matthew Garrett
2006-01-16 20:05 ` Pavel Machek
2006-01-16 20:22 ` Rafael J. Wysocki
2006-01-16 20:24 ` Pavel Machek
-- strict thread matches above, loose matches on Subject: below --
2006-01-16 0:27 Matthew Garrett
2006-01-16 0:27 ` Matthew Garrett
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