linux-kernel - Re: linux-next: build failure after merge of the final tree (pm tree related)

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Message-ID: <CAN5iSWpHgngjATg_thpHZOqXz=DW0to4fwykvrc7KROdwDmuhw@mail.gmail.com>
Date:	Sat, 20 Aug 2011 09:50:30 +0200
From:	"Pihet-XID, Jean" <j-pihet@...com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: linux-next: build failure after merge of the final tree (pm tree related)

Rafael,

2011/8/19 Rafael J. Wysocki <rjw@...k.pl>:
> On Friday, August 19, 2011, Pihet-XID, Jean wrote:
>> Hi Stephen, Rafael,
>>
>> On Fri, Aug 19, 2011 at 5:03 AM, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>> > Hi all,
>> >
>> > After merging the final tree, today's linux-next build (powerpc
>> > allnoconfig) failed like this:
>> >
>> > In file included from include/linux/netdevice.h:34:0,
>> >                 from include/linux/icmpv6.h:173,
>> >                 from include/linux/ipv6.h:220,
>> >                 from include/net/ipv6.h:16,
>> >                 from include/linux/sunrpc/clnt.h:25,
>> >                 from include/linux/nfs_fs.h:50,
>> >                 from init/do_mounts.c:20:
>> > include/linux/pm_qos.h: In function 'dev_pm_qos_add_request':
>> > include/linux/pm_qos.h:123:6: warning: 'return' with no value, in function returning non-void
>> > include/linux/pm_qos.h: In function 'dev_pm_qos_update_request':
>> > include/linux/pm_qos.h:126:6: warning: 'return' with no value, in function returning non-void
>> > include/linux/pm_qos.h: In function 'dev_pm_qos_remove_request':
>> > include/linux/pm_qos.h:128:6: warning: 'return' with no value, in function returning non-void
>> >
>> > Caused by commit b6d5b88750dc ("PM QoS: Implement per-device PM QoS
>> > constraints").
>> I am really sorry about this. This build failure is indeed due to my
>> patch which has stubs for the !PM case.
>> Here is an updated patch (attached), the only change is in the stubs.
>>
>> >
>> > Please, please compile test with CONFIG options that your patch depends
>> > on switched on and switched off - in this case CONFIG_PM.
>> Well, it is not as easy as it seems. As the patch set describes, I am
>> build testing for x86 and OMAP. At the moment due to config
>> dependencies it is _impossible_ to disable PM in the OMAP config.
>>
>> Also I cannot build test every platform out there.
>> Do you have a procedure for build testing?
>>
>> >
>> > I have reverted that commit (and the followinf commit 57afcf09649c ("PM
>> > QoS: Add global notification mechanism for device constraints")) for
>> > today.
>> Can we have the updated version merged in?
>
> Merged and pushed back.
Thanks a lot! Sorry for the noise.

Regards,
Jean

>
> Thanks,
> Rafael
>
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