Messages in this thread | | | Date | Thu, 9 Feb 2006 02:31:06 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] percpu data: only iterate over possible CPUs |
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Heiko Carstens <heiko.carstens@de.ibm.com> wrote: > > > > > > aargh. > > > > Actually, x86 appears to be the only arch which suffers this braindamage. > > > > The rest use CPU_MASK_NONE (or just forget to initialise it and hope that > > > > CPU_MASK_NONE equals all-zeroes). > > > > > > s390 will join, as soon as the cpu_possible_map fix is merged... > > > > What cpu_possible_map fix? > > This one: > > http://lkml.org/lkml/2006/2/8/162 >
Oh, OK. Ow, I don't think you want to do that. It means that all those for_each_cpu() loops will now be iterating over all NR_CPUS cpus, whether or not they're even possible.
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