diff options
Diffstat (limited to 'arch/powerpc/platforms/powernv/smp.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/smp.c | 27 |
1 files changed, 3 insertions, 24 deletions
diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c index b80909957792..0d354e19ef92 100644 --- a/arch/powerpc/platforms/powernv/smp.c +++ b/arch/powerpc/platforms/powernv/smp.c @@ -283,23 +283,6 @@ static void pnv_cause_ipi(int cpu) ic_cause_ipi(cpu); } -static void pnv_p9_dd1_cause_ipi(int cpu) -{ - int this_cpu = get_cpu(); - - /* - * POWER9 DD1 has a global addressed msgsnd, but for now we restrict - * IPIs to same core, because it requires additional synchronization - * for inter-core doorbells which we do not implement. - */ - if (cpumask_test_cpu(cpu, cpu_sibling_mask(this_cpu))) - doorbell_global_ipi(cpu); - else - ic_cause_ipi(cpu); - - put_cpu(); -} - static void __init pnv_smp_probe(void) { if (xive_enabled()) @@ -311,14 +294,10 @@ static void __init pnv_smp_probe(void) ic_cause_ipi = smp_ops->cause_ipi; WARN_ON(!ic_cause_ipi); - if (cpu_has_feature(CPU_FTR_ARCH_300)) { - if (cpu_has_feature(CPU_FTR_POWER9_DD1)) - smp_ops->cause_ipi = pnv_p9_dd1_cause_ipi; - else - smp_ops->cause_ipi = doorbell_global_ipi; - } else { + if (cpu_has_feature(CPU_FTR_ARCH_300)) + smp_ops->cause_ipi = doorbell_global_ipi; + else smp_ops->cause_ipi = pnv_cause_ipi; - } } } |