From: Paul Jackson <pj@sgi.com>
To: ebiederm@xmission.com (Eric W. Biederman)
Cc: miklos@szeredi.hu, akpm@osdl.org, linux-kernel@vger.kernel.org,
rth@twiddle.net, davej@redhat.com, zwane@arm.linux.org.uk,
ak@suse.de, ashok.raj@intel.com
Subject: Re: [PATCH] move pm_power_off and pm_idle declaration to common code
Date: Mon, 12 Dec 2005 07:58:47 -0800 [thread overview]
Message-ID: <20051212075847.99a2591c.pj@sgi.com> (raw)
In-Reply-To: <m1pso29z37.fsf@ebiederm.dsl.xmission.com>
> A key question is how do we handle architectures
> that always want to want to call machine_power_off.
One common way to handle a generic default with possible arch specific
overrides is with #ifdef symbols. Surround the generic definition with
something like "#ifndef ARCH_HAS_PM_POWER_OFF", and let the arch's that
want something other than the default define that preprocessor symbol
as well.
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.925.600.0401
next prev parent reply other threads:[~2005-12-12 15:59 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-12 14:02 [PATCH] move pm_power_off and pm_idle declaration to common code Miklos Szeredi
2005-12-12 14:20 ` Eric W. Biederman
2005-12-12 14:28 ` Miklos Szeredi
2005-12-12 14:36 ` Eric W. Biederman
2005-12-12 14:39 ` Andreas Schwab
2005-12-12 14:46 ` Miklos Szeredi
2005-12-12 14:54 ` Eric W. Biederman
2005-12-12 15:58 ` Paul Jackson [this message]
2005-12-12 15:26 ` [PATCH] uml: fix pm_power_off link failure Miklos Szeredi
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