[SPARC64]: Add prom_{start,stop}cpu_cpuid().

Use prom_startcpu_cpuid() on SUN4V instead of prom_startcpu().

We should really test for "SUNW,start-cpu-by-cpuid" presence
and use it if present even on SUN4U.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 3 deletions

diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 64046d37bbf0..527dfd7ae210 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -331,15 +331,21 @@ static int __devinit smp_boot_one_cpu(unsigned int cpu)
         unsigned long cookie =
                 (unsigned long)(&cpu_new_thread);
         struct task_struct *p;
-        int timeout, ret, cpu_node;
+        int timeout, ret;
 
         p = fork_idle(cpu);
         callin_flag = 0;
         cpu_new_thread = task_thread_info(p);
         cpu_set(cpu, cpu_callout_map);
 
-        cpu_find_by_mid(cpu, &cpu_node);
-        prom_startcpu(cpu_node, entry, cookie);
+        if (tlb_type == hypervisor) {
+                prom_startcpu_cpuid(cpu, entry, cookie);
+        } else {
+                int cpu_node;
+
+                cpu_find_by_mid(cpu, &cpu_node);
+                prom_startcpu(cpu_node, entry, cookie);
+        }
 
         for (timeout = 0; timeout < 5000000; timeout++) {
                 if (callin_flag)