Messages in this thread | | | Date | Tue, 6 Nov 2007 19:37:10 +0100 | From | "Andreas Herrmann" <> | Subject | Re: [Patch2/2] fix wrong proc cpuinfo on x64 |
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On Tue, Nov 06, 2007 at 04:28:20PM +0800, Zou Nan hai wrote: > in 2.6.24-rc1 kernel, > The /proc/cpuinfo display is wrong. > > Another issue is that it will display bogus cpus with wrong information > if the kernel is compiled with a big CONFIG_NR_CPU. > > That is because before a cpu in cpu_present_map is up, c->cpu_index of > that cpu is 0. > thus the cpu_online(c->cpu_index) check in show_cpuinfo is invalid.
This issue should already be fixed with that patch
http://marc.info/?l=linux-kernel&m=119394201230954
> This patch will let cpuinfo_op use cpu_online_map instead of > cpu_present_map to iterate cpus.
BTW, the problem affects i386 as well.
Regards,
Andreas
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