On Tue, Aug 14, 2012 at 06:56:12PM +0530, Jayachandran C wrote: > The default implementation of 'cpu_has_fpu' macro calls > smp_processor_id() which causes this warning when preemption is enabled: > > [ 4.664000] Algorithmics/MIPS FPU Emulator v1.5 > [ 4.676000] BUG: using smp_processor_id() in preemptible [00000000] code: init/1 > [ 4.700000] caller is fpu_emulator_cop1Handler+0x434/0x27b8 > > Work around this by defining cpu_has_fpu for XLR and XLP in > mach-netlogic/cpu-feature-overrides.h Where is cpu_has_fpu being invoked from? For exactly the scenario you're running into there is raw_cpu_has_fpu and I wonder if the caller should be switched to that instead. Ralf
