From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Date: Fri, 19 Mar 2004 00:09:13 +0000 Subject: Re: add lowpower_idle sysctl Message-Id: <20040318160913.5915281d.akpm@osdl.org> List-Id: References: <20040317170436.430acfbe.akpm@osdl.org> <200403180318.i2I3IDF03166@unix-os.sc.intel.com> <20040317192821.1fe90f24.akpm@osdl.org> <405A29EA.6000400@mvista.com> In-Reply-To: <405A29EA.6000400@mvista.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Todd Poynor Cc: zwane@linuxpower.ca, kenneth.w.chen@intel.com, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, cpufreq@www.linux.org.uk Todd Poynor wrote: > > Zwane Mwaikambo wrote: > > >>Set some system-wide integer via a sysctl and let the particular > >>architecture decide how best to implement the currently-selected idle mode? > > > > I'm wondering whether the setting of these magic numbers can't be done > > using cpufreq infrastructure. > > I'd vote for using Patrick Mochel's PM subsystem and use a standard set > of identifiers that are mapped to a platform-specific idle behavior, in > much the same way as platform suspend modes are handled today. For > example, strings echoed to /sys/power/idle could be an interface. If > folks are amenable to this I'd be happy to supply a (generic) patch for it. That sounds suitable, thanks.