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Date:	Mon, 5 Jan 2015 00:27:38 +0200
From:	Aaro Koskinen <aaro.koskinen@....fi>
To:	Pavel Machek <pavel@....cz>
Cc:	Russell King - ARM Linux <linux@....linux.org.uk>,
	Nicolas Pitre <nicolas.pitre@...aro.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Marc Zyngier <marc.zyngier@....com>,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Revert 9fc2105aeaaf56b0cf75296a84702d0f9e64437b to fix
 pyaudio (and probably more)

Hi,

On Sun, Jan 04, 2015 at 10:40:49PM +0100, Pavel Machek wrote:
> On Sun 2015-01-04 21:26:59, Russell King - ARM Linux wrote:
> > On Sun, Jan 04, 2015 at 04:20:57PM -0500, Nicolas Pitre wrote:
> > > On Sun, 4 Jan 2015, Linus Torvalds wrote:
> > > 
> > > > On Sun, Jan 4, 2015 at 12:56 PM, Nicolas Pitre <nicolas.pitre@...aro.org> wrote:
> > > > >
> > > > > It wasted a lot of people's time before by simply being there and wrong
> > > > > before it was removed.  It's only a matter of whose time you want to
> > > > > waste.  Really.
> > > > 
> > > > Really. Shut up.
> > > > 
> > > > The whole "no regressions" thing is very much about the fact that we
> > > > don't waste users time.
> > > 
> > > I was talking about users time all along.
> > > 
> > > Never mind.  I'm sorry for the NAK and sorry for attempting to start a 
> > > discussion to find a better replacement.
> > 
> > Nico,
> > 
> > I encourage you *not* to back down like this.  Linus is right in so far
> > as the regressions issue, but he is *totally* wrong to do the revert,
> > which IMHO has been done out of nothing more than spite.
> > 
> > Either *with or without* the revert, the issue still remains, and needs
> > to be addressed properly.
> > 
> > With the revert in place, we now have insanely small bogomips values
> > reported via /proc/cpuinfo when hardware timers are used.  That needs
> > fixing.
> 
> Too bad 9fc2105aeaaf56b0cf75296a84702d0f9e64437b's changelog did not
> mention that :-(.
> 
> I see reasonable values on Nokia N900. Do I need to change my config
> to see the problem, or should I try reproducing on socfpga board?

I believe Nokia boards fall into the "antique hardware" category, so for
us using such HW the issue is not visible...

A.
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