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From: Michael Ellerman <michael@ellerman.id.au>
To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: ego@in.ibm.com, linuxppc-dev@ozlabs.org, srinivasa@in.ibm.com,
	Anton Blanchard <anton@samba.org>,
	ntl@pobox.com, paulus@samba.org
Subject: Re: [PATCH] Reorganise and then fixup the pseries cpu hotplug code
Date: Fri, 17 Nov 2006 15:44:00 +1100	[thread overview]
Message-ID: <1163738640.16815.45.camel@localhost.localdomain> (raw)
In-Reply-To: <20061117153105.edca0777.sfr@canb.auug.org.au>

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On Fri, 2006-11-17 at 15:31 +1100, Stephen Rothwell wrote:
> One small nit ...
> 
> On Fri, 17 Nov 2006 14:36:35 +1100 Michael Ellerman <michael@ellerman.id.au> wrote:
> >
> > +static int __init pseries_cpu_hotplug_init(void)
> > +{
> > +	rtas_stop_self_args.token = rtas_token("stop-self");
> > +	qcss_tok = rtas_token("query-cpu-stopped-state");
> > +
> > +	if (rtas_stop_self_args.token == RTAS_UNKNOWN_SERVICE ||
> > +			qcss_tok == RTAS_UNKNOWN_SERVICE)
> > +		return 1;
> 
> initcall fucntions should return 0 or -<error>;  -ENODEV is ignored,
> other nonzero values cause a log message if initcall debugging is enabled.

OK. I wanted to return an error, so there's something in the log to show
that cpu hotplug was disabled - but I didn't check what to return. I'll
fix it up on Monday to return -ENOENT.

cheers

-- 
Michael Ellerman
OzLabs, IBM Australia Development Lab

wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person

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  reply	other threads:[~2006-11-17  4:44 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-11-16 14:39 [RFC] [PATCH] cpu hotplug on power based systems Srinivasa Ds
2006-11-16 15:40 ` Nathan Lynch
2006-11-16 21:02   ` Linas Vepstas
2006-11-17  3:36   ` [PATCH] Reorganise and then fixup the pseries cpu hotplug code Michael Ellerman
2006-11-17  3:59     ` Michael Ellerman
2006-11-17  4:31     ` Stephen Rothwell
2006-11-17  4:44       ` Michael Ellerman [this message]
2006-11-17  5:02         ` Stephen Rothwell
2006-11-17 18:11         ` Linas Vepstas
2006-11-20  0:44           ` Michael Ellerman
2006-11-17 18:04     ` Linas Vepstas
2006-11-20  1:08       ` Michael Ellerman
2006-11-20  4:22         ` jschopp
2006-11-20  5:59           ` Michael Ellerman
2006-11-21 16:43             ` Nathan Lynch
  -- strict thread matches above, loose matches on Subject: below --
2006-11-23  2:11 Michael Ellerman
2006-11-24 11:03 ` Srinivasa Ds
2006-11-27  8:13 ` Srinivasa Ds
2006-11-27 21:10 ` Linas Vepstas

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