From: Nathan Lynch <nathanl@austin.ibm.com>
To: michael@ellerman.id.au
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH 7/7] powerpc numa: Consolidate assignment of cpus to nodes
Date: Tue, 21 Mar 2006 17:22:59 -0600 [thread overview]
Message-ID: <1142983379.28864.9.camel@pants.austin.ibm.com> (raw)
In-Reply-To: <200603221009.19523.michael@ellerman.id.au>
On Wed, 2006-03-22 at 10:09 +1100, Michael Ellerman wrote:
> 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).
Grep begs to differ:
$ grep -rw hcpu arch/powerpc include/asm-powerpc
arch/powerpc/kernel/sysfs.c: unsigned long action, void *hcpu)
arch/powerpc/kernel/sysfs.c: unsigned int cpu = (unsigned int)(long)hcpu;
arch/powerpc/mm/numa.c: void *hcpu)
arch/powerpc/mm/numa.c: unsigned long lcpu = (unsigned long)hcpu;
next prev parent reply other threads:[~2006-03-21 23:27 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
2006-03-21 23:22 ` Nathan Lynch [this message]
2006-03-21 23:34 ` Michael Ellerman
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