linux-kernel - Re: [announce] new tree: "fix all build warnings, on all configs"

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Date:	Wed, 22 Oct 2008 00:11:51 -0400 (EDT)
From:	Len Brown <lenb@...nel.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Ingo Molnar <mingo@...e.hu>, Andi Kleen <andi@...stfloor.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	David Howells <dhowells@...hat.com>
Subject: Re: [announce] new tree: "fix all build warnings, on all configs"



> >   drivers/acpi/sleep/main.c:67: warning: ‘acpi_pm_disable_gpes’ defined but not used

> > 
> > Shows that this code has an identity crisis due to a maze of #ifdefs, in
> > the PM_SLEEP && !SUSPEND && !HIBERNATION case for example.
> 
> This case is invalid, because PM_SLEEP == SUSPEND || HIBERNATION !

I though so too, but 2.6.27 appears to have added XEN to the mix:

config PM_SLEEP
        bool
        depends on SUSPEND || HIBERNATION || XEN_SAVE_RESTORE

-Len