Date: Thu, 10 Jun 2004 21:24:30 +0200
From: Jan-Benedict Glaw <jbglaw@lug-owl.de>
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH][RFC] Spinlock-timeout
Message-ID: <20040610192430.GJ20632@lug-owl.de>
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On Thu, 2004-06-10 13:44:52 -0500, Jake Moilanen <moilanen@austin.ibm.com>
wrote in message <1086893091.3476.37.camel@dyn95394175.austin.ibm.com>:
> On Sat, 2004-06-05 at 15:51, Jan-Benedict Glaw wrote:
> > On Sat, 2004-06-05 15:31:26 -0500, Jake Moilanen <moilanen@austin.ibm.c=
om>
> > wrote in message <1086467486.20906.59.camel@dhcp-client215.upt.austin.i=
bm.com>:
> > > Here's a patch that will BUG() when a spinlock is held for longer the=
n X
> > > seconds.  It is useful for catching deadlocks since not all archs hav=
e a
> > > NMI watchdog. =20
> > I like the idea. However, I don't like touching all arch's Kconfig
> > files. I think it's better to either put this into ./lib/Kconfig (well,
> > doesn't really fit there), ot (even better:) put it into the Debug
> > Kconfig file.
>=20
> I think you're right that lib/Kconfig would not be the right place, but
> I don't think there is a debug Kconfig.  I tried keeping the Kconfig

Not yet:) Somebody is working towards getting all the different debug
options into a central Kconfig file. This was on LKML some four weeks
ago...

> additions w/ CONFIG_DEBUG_SPINLOCK.  The other option is to make a debug
> Kconfig, but every arch seems pretty different in what they have for
> their debug section.

As I said, it's been worked on:)

MfG, JBG

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