linux-kernel - Re: ACPI: S4 disappeared [mmotm 2009-02-10-16-35]

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Message-ID: <4992A59F.5090502@gmail.com>
Date:	Wed, 11 Feb 2009 11:17:03 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	Jiri Slaby <jirislaby@...il.com>
CC:	linux-kernel@...r.kernel.org, mm-commits@...r.kernel.org,
	Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Pavel Machek <pavel@...e.cz>
Subject: Re: ACPI: S4 disappeared [mmotm 2009-02-10-16-35]

On 02/11/2009 09:51 AM, Jiri Slaby wrote:
> On 02/11/2009 01:36 AM, akpm@...ux-foundation.org wrote:
>> The mm-of-the-moment snapshot 2009-02-10-16-35 has been uploaded
> 
> Hi,
> 
> I've found out, that S4 disappeared in this release, in comparison to mmotm
> based on 2.6.29-rc2:
> -ACPI: (supports S0 S1 S3 S4 S5)
> +ACPI: (supports S0 S1 S3 S5)
> 
> Any ideas what could have caused this?

I think this one
ARCH_HIBERNATION_POSSIBLE=n
because
SMP=y
since
 config ARCH_HIBERNATION_POSSIBLE
        def_bool y
-       depends on !SMP || !X86_VOYAGER
+       depends on !SMP

The condition was wrong, ok, anyway it worked. Would
depends on !SMP || EXPERIMENTAL
make sense? The smp is handled in disable_nonboot_cpus manner, right?
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