From: David Mosberger <davidm@napali.hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] ia64_mca_rendez_int_handler use of hard_smp_processor_id
Date: Mon, 24 Mar 2003 21:54:05 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590723705305@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590723705289@msgid-missing>
>>>>> On Sat, 22 Mar 2003 15:12:55 +1100, Keith Owens <kaos@sgi.com> said:
Keith> arch/ia64/kernel/mca.c:ia64_mca_rendez_int_handler has
Keith> #ifdef CONFIG_SMP
Keith> cpu = cpu_logical_id(hard_smp_processor_id());
Keith> #endif
Keith> ia64_mc_info.imi_rendez_checkin[cpu] = IA64_MCA_RENDEZ_CHECKIN_DONE;
Keith> All the other code that runs imi_rendez_checkin does so using logical
Keith> cpu numbers. Why does ia64_mca_rendez_int_handler use that convoluted
Keith> expression instead of the simpler
Keith> cpu = smp_processor_id();
I don't know either. Perhaps the original author remembers (Jenna or
Tony, perhaps?).
--david
next prev parent reply other threads:[~2003-03-24 21:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-22 4:12 [Linux-ia64] ia64_mca_rendez_int_handler use of hard_smp_processor_id Keith Owens
2003-03-24 21:54 ` David Mosberger [this message]
2003-03-25 16:45 ` Luck, Tony
2003-03-25 21:15 ` Keith Owens
2003-03-26 1:55 ` Peter Chubb
2003-04-16 16:36 ` Bjorn Helgaas
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