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

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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>
This commit is contained in:
David S. Miller
2006-02-15 02:26:54 -08:00
parent 63c2a0e598
commit 7890f794e0
3 changed files with 34 additions and 8 deletions
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12
arch/sparc64/kernel/smp.c
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@@ -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)