On Fri, Aug 5, 2011 at 2:51 AM, Jayachandran C. <jayachandranc@xxxxxxxxxxxxxxxxx> wrote: > The nlm_cpu_ready[] entry is not set for the boot_cpu, it is set for only > the secondary cpus in smpboot.S. The code works as it is, but your patch > makes it more explicit. > > My only commnet is that it might look better if you combine both the if checks. > Got and thanks. It is recooked as the following. Hillf ------------------------------------------------------------------------------ Subject: [RFC patch] MIPS/netlogic: add comment for smp setup It seems that BSP could be setup twice, but the nlm_cpu_ready array is only set for ASPs in smpboot.S, not including BSP. Signed-off-by: Hillf Danton <dhillf@xxxxxxxxx> --- arch/mips/netlogic/xlr/smp.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/mips/netlogic/xlr/smp.c b/arch/mips/netlogic/xlr/smp.c index b495a7f..b82667c 100644 --- a/arch/mips/netlogic/xlr/smp.c +++ b/arch/mips/netlogic/xlr/smp.c @@ -167,6 +167,10 @@ void __init nlm_smp_setup(void) num_cpus = 1; for (i = 0; i < NR_CPUS; i++) { + /* + * BSP is not set in nlm_cpu_ready array, it is only for + * ASPs (goto see smpboot.S) + */ if (nlm_cpu_ready[i]) { cpu_set(i, phys_cpu_present_map); __cpu_number_map[i] = num_cpus;