From: Michael Ellerman <michael@ellerman•id.au>
To: linuxppc-dev@ozlabs•org
Cc: Nathan Lynch <nathanl@austin•ibm.com>
Subject: Re: [PATCH 7/7] powerpc numa: Consolidate assignment of cpus to nodes
Date: Wed, 22 Mar 2006 10:09:14 +1100 [thread overview]
Message-ID: <200603221009.19523.michael@ellerman.id.au> (raw)
In-Reply-To: <1142968571.27114.28.camel@pants.austin.ibm.com>
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On Wed, 22 Mar 2006 06:16, Nathan Lynch wrote:
> On Tue, 2006-03-21 at 10:38 -0800, Dave Hansen wrote:
> > By the way, what do the "l" and "h" in front of "cpu" mean anyway?
>
> "logical" and "hot"? I dunno, just seemed to be the convention in other
> cpu notifiers at the time the code was written.
Ouch, that's unfortunate. In the powerpc code hcpu _usually_ means hard cpu
number, as opposed to logical (lcpu). In this case though it looks like hcpu
holds the logical cpu number, which is a bit icky. That might be worth
fixing.
cheers
--
Michael Ellerman
IBM OzLabs
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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next prev parent reply other threads:[~2006-03-21 23:09 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-21 0:33 [PATCH 0/7] powerpc numa updates and fixes Nathan Lynch
2006-03-21 0:34 ` [PATCH 1/7] powerpc numa: fix boot_cpuid always assigned to node 0 Nathan Lynch
2006-03-21 0:34 ` [PATCH 2/7] powerpc numa: Minor debugging code changes Nathan Lynch
2006-03-21 18:27 ` Dave Hansen
2006-03-21 18:54 ` Nathan Lynch
2006-03-21 0:35 ` [PATCH 3/7] powerpc numa: Minor cpu hotplug-related cleanups Nathan Lynch
2006-03-21 0:35 ` [PATCH 4/7] powerpc numa: Get rid of "numa domain" terminology Nathan Lynch
2006-03-21 0:36 ` [PATCH 5/7] powerpc numa: Consolidate handling of Power4 special case Nathan Lynch
2006-03-21 3:54 ` Jon Mason
2006-03-21 0:36 ` [PATCH 6/7] powerpc numa: Support sparse online node map Nathan Lynch
2006-03-21 0:37 ` [PATCH 7/7] powerpc numa: Consolidate assignment of cpus to nodes Nathan Lynch
2006-03-21 18:38 ` Dave Hansen
2006-03-21 19:16 ` Nathan Lynch
2006-03-21 23:09 ` Michael Ellerman [this message]
2006-03-21 23:22 ` Nathan Lynch
2006-03-21 23:34 ` Michael Ellerman
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