Messages in this thread |  | | Date | Thu, 06 Jun 2002 14:04:11 -0700 | From | Andrew Morton <> | Subject | Re: [patch] CONFIG_NR_CPUS |
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Andreas Dilger wrote: > > On Jun 06, 2002 12:48 -0700, Andrew Morton wrote: > > But the arch maintainers should test one case please - x86 > > was locking up at boot on quad CPU with NR_CPUS=2. Others may do > > the same. > > Just a guess, but this could be because the two CPUs chosen for the > boot sequence are not physically numbered 0 and 1, so they are > overwriting the bounds of the per-CPU arrays.
Well the code was assuming that the number of physical CPUs was always <= NR_CPUS unless max_cpus had been specified. I fixed that in the patch.
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