[PATCH] ARM: Check for is_smp for tlb_ops and cache_ops boardcast

Russell King - ARM Linux linux at arm.linux.org.uk
Tue Oct 5 18:33:10 EDT 2010


On Tue, Oct 05, 2010 at 03:19:52PM -0700, Tony Lindgren wrote:
> * Tony Lindgren <tony at atomide.com> [100907 20:04]:
> > This should not be needed when running on UP systems.
> > 
> > Additionally we will also get an undefined instruction on ARM cores
> > without the extended CPUID registers with CONFIG_SMP_ON_UP.
> > 
> > Also, we can now remove the is_smp() test from mmu.c.
> 
> Just FYI, I've updated this one more time with to use cpus_empty
> instead of !smp_on_up() here as well.

What's the rationale?



More information about the linux-arm-kernel mailing list