diff options
| author | David S. Miller <davem@sunset.davemloft.net> | 2006-02-15 02:26:54 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-20 01:13:04 -0800 |
| commit | 7890f794e0e6f7dce2a5f4a03ba64b0b3fe306bd (patch) | |
| tree | a9cc7c67498616a47108c667a9c001f9fe468318 /arch/sparc64 | |
| parent | 63c2a0e598c2fa769a08a6e9ad124bf270b4436e (diff) | |
[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>
Diffstat (limited to 'arch/sparc64')
| -rw-r--r-- | arch/sparc64/kernel/smp.c | 12 | ||||
| -rw-r--r-- | arch/sparc64/prom/misc.c | 16 |
2 files changed, 23 insertions, 5 deletions
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index 64046d37bbf..527dfd7ae21 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) diff --git a/arch/sparc64/prom/misc.c b/arch/sparc64/prom/misc.c index 713cbac5f9b..36d2b9c1622 100644 --- a/arch/sparc64/prom/misc.c +++ b/arch/sparc64/prom/misc.c @@ -308,9 +308,21 @@ int prom_wakeupsystem(void) } #ifdef CONFIG_SMP -void prom_startcpu(int cpunode, unsigned long pc, unsigned long o0) +void prom_startcpu(int cpunode, unsigned long pc, unsigned long arg) { - p1275_cmd("SUNW,start-cpu", P1275_INOUT(3, 0), cpunode, pc, o0); + p1275_cmd("SUNW,start-cpu", P1275_INOUT(3, 0), cpunode, pc, arg); +} + +void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg) +{ + p1275_cmd("SUNW,start-cpu-by-cpuid", P1275_INOUT(3, 0), + cpuid, pc, arg); +} + +void prom_stopcpu_cpuid(int cpuid) +{ + p1275_cmd("SUNW,stop-cpu-by-cpuid", P1275_INOUT(1, 0), + cpuid); } void prom_stopself(void) |