From: Andrew Morton <akpm@zip.com.au>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] Re: CPU hotplug boot change for IA64
Date: Mon, 05 Aug 2002 04:33:31 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590701905905@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590701905894@msgid-missing>
Rusty Russell wrote:
>
> In message <20020802210541.0AB4.K-SUGANUMA@mvj.biglobe.ne.jp> you write:
> > Hi Rusty,
> >
> > On Sat, 03 Aug 2002 13:29:02 +1000
> > Rusty Russell <rusty@rustcorp.com.au> wrote:
> >
> > > > Rusty, I guess this modification should be needed for i386, too.
> > >
> > > You should *not* be calling smp_call_function before smp_prepare_cpus.
> > >
> > > I know kgdb can do this, but it's a special case.
> >
> > OK.
> > I cannot remember who was calling smp_call_function, but I think
> > it might be kdb. I'm using kdb for debugging in usual.
>
> Yes, in which case the fix I asked Andrew Morton to use was:
>
> /* Before smp_prepare_cpus, cpu_online not usable */
> if (num_online_cpus() > 1)
> smp_call_function(...)
It works, too. http://www.zip.com.au/~akpm/linux/patches/2.5/2.5.30/kgdb.patch
next prev parent reply other threads:[~2002-08-05 4:33 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-02 21:44 [Linux-ia64] Re: CPU hotplug boot change for IA64 David Mosberger
2002-08-02 22:18 ` Kimio Suganuma
2002-08-03 0:53 ` Kimio Suganuma
2002-08-03 3:29 ` Rusty Russell
2002-08-03 4:10 ` Kimio Suganuma
2002-08-05 1:19 ` Rusty Russell
2002-08-05 4:33 ` Andrew Morton [this message]
2002-08-06 18:33 ` Erich Focht
2002-08-06 20:26 ` Kimio Suganuma
2002-08-08 4:19 ` Kimio Suganuma
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