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authorMatt Evans <matt@ozlabs.au.ibm.com>2011-03-31 19:33:08 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-04-05 16:22:11 +1000
commitc60e65d7863620945d498a8ac60181077879599c (patch)
treea9cb50bc7b778d95514305e3cf629f466f9ccb5d
parentc1854e00727f50f7ac99e98d26ece04c087ef785 (diff)
downloadconfigs-c60e65d7863620945d498a8ac60181077879599c.tar.gz
powerpc/pseries: Fix build without CONFIG_HOTPLUG_CPU
Signed-off-by: Matt Evans <matt@ozlabs.au.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
-rw-r--r--arch/powerpc/platforms/pseries/smp.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index d6479f9738f..a509c5292a6 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -112,10 +112,10 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu)
/* Fixup atomic count: it exited inside IRQ handler. */
task_thread_info(paca[lcpu].__current)->preempt_count = 0;
-
+#ifdef CONFIG_HOTPLUG_CPU
if (get_cpu_current_state(lcpu) == CPU_STATE_INACTIVE)
goto out;
-
+#endif
/*
* If the RTAS start-cpu token does not exist then presume the
* cpu is already spinning.
@@ -130,7 +130,9 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu)
return 0;
}
+#ifdef CONFIG_HOTPLUG_CPU
out:
+#endif
return 1;
}
@@ -144,16 +146,15 @@ static void __devinit smp_xics_setup_cpu(int cpu)
vpa_init(cpu);
cpumask_clear_cpu(cpu, of_spin_mask);
+#ifdef CONFIG_HOTPLUG_CPU
set_cpu_current_state(cpu, CPU_STATE_ONLINE);
set_default_offline_state(cpu);
-
+#endif
}
#endif /* CONFIG_XICS */
static void __devinit smp_pSeries_kick_cpu(int nr)
{
- long rc;
- unsigned long hcpuid;
BUG_ON(nr < 0 || nr >= NR_CPUS);
if (!smp_startup_cpu(nr))
@@ -165,16 +166,20 @@ static void __devinit smp_pSeries_kick_cpu(int nr)
* the processor will continue on to secondary_start
*/
paca[nr].cpu_start = 1;
-
+#ifdef CONFIG_HOTPLUG_CPU
set_preferred_offline_state(nr, CPU_STATE_ONLINE);
if (get_cpu_current_state(nr) == CPU_STATE_INACTIVE) {
+ long rc;
+ unsigned long hcpuid;
+
hcpuid = get_hard_smp_processor_id(nr);
rc = plpar_hcall_norets(H_PROD, hcpuid);
if (rc != H_SUCCESS)
printk(KERN_ERR "Error: Prod to wake up processor %d "
"Ret= %ld\n", nr, rc);
}
+#endif
}
static int smp_pSeries_cpu_bootable(unsigned int nr)