linux-kernel - Re: [PATCH 1/8] PM: Opportunistic suspend support.

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Message-Id: <201005270013.21412.rjw@sisk.pl>
Date:	Thu, 27 May 2010 00:13:21 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Pavel Machek <pavel@....cz>,
	James Bottomley <James.Bottomley@...e.de>,
	Pekka Enberg <penberg@...helsinki.fi>,
	"Arve Hj?nnev?g" <arve@...roid.com>,
	Florian Mickler <florian@...kler.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	"Linux-pm mailing list" <linux-pm@...ts.linux-foundation.org>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	Len Brown <len.brown@...el.com>,
	Randy Dunlap <rdunlap@...otime.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <ak@...ux.intel.com>,
	Cornelia Huck <cornelia.huck@...ibm.com>,
	Tejun Heo <tj@...nel.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Nigel Cunningham <nigel@...onice.net>,
	Ming Lei <tom.leiming@...il.com>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Maxim Levitsky <maximlevitsky@...il.com>,
	linux-doc@...r.kernel.org, Matthew Garrett <mjg59@...f.ucam.org>,
	Greg KH <gregkh@...e.de>, tytso@....edu
Subject: Re: [PATCH 1/8] PM: Opportunistic suspend support.

On Wednesday 26 May 2010, Peter Zijlstra wrote:
> On Wed, 2010-05-26 at 18:59 +0200, Pavel Machek wrote:
> > On Wed 2010-05-26 18:28:28, Peter Zijlstra wrote:
> > > On Wed, 2010-05-26 at 11:18 -0500, James Bottomley wrote:
> > > > > Or make the suspend manager a C proglet and provide a JNI interface,
> > > > > or whatever.
> > > > 
> > > > It's a fairly large piece of code to try to rewrite in C, so I don't
> > > > think that's feasible on a reasonable timescale.  Android does have the
> > > > concept of special sockets that can be used to communicate from less to
> > > > more privileged processes (it has a very segmented runtime model), so
> > > > these might be usable ... they have a drawback that they're essentially
> > > > named pipes, so no multiplexing, but one per suspend influencing C
> > > > process shouldn't be a huge burden. 
> > > 
> > > It wouldn't need to convert the whole Frameworks layer into C, just
> > > enough to manage the suspend state.
> > > 
> > > Anyway, I think there's been enough arguments against even the concept
> > > of opportunistic/auto-suspend, and I for one will object with a NAK if
> > > Rafael send this to Linus.
> > 
> > It was submitted already. I tried to followup with NAK, but can't
> > currently see it in the archive.
> 
> It was apparently hidden on some funky list. Hiding pull requests is bad
> enough, but hiding pull requests for contended features is just plain
> wrong.

It was not intentionally hidden.  I think my mailer did that wrong because
the CC list was too long or something like this.  I surely intended to send
it to the LKML, so sorry for the inconvenience.

Rafael
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