| Date | Wed, 12 Feb 2014 12:54:12 +0100 | From | Peter Zijlstra <> | Subject | Re: Another preempt folding issue? |
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On Wed, Feb 12, 2014 at 12:09:29PM +0100, Stefan Bader wrote: > Something else here I run a kernel with CONFIG_PREEMPT not set and NR_CPUS > limited to 8 (for the 32bit kernel). So the default apic driver is used. Since > default_send_IPI_mask_logical is only used from there, I assume the trace you > got does the same. Maybe something there is wrong which would explain why we > only see it on 32bit hosts.
Can you try with a different APIC driver to test this?
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