All powerpc platforms share the same cpu_bootable hook, which does nothing
but { return 1 }. It is not needed anymore. Let's drop it at last.
Signed-off-by: Greg Kurz <gk...@linux.vnet.ibm.com>
---
v3: drop smp_generic_cpu_bootable() as well
I knew that posting a few minutes before leaving is bad idea on fridays... ;)
arch/powerpc/include/asm/smp.h | 1 -
arch/powerpc/kernel/smp.c | 14 +-------------
arch/powerpc/platforms/85xx/smp.c | 1 -
arch/powerpc/platforms/cell/smp.c | 1 -
arch/powerpc/platforms/powernv/smp.c | 1 -
arch/powerpc/platforms/pseries/smp.c | 1 -
6 files changed, 1 insertion(+), 18 deletions(-)
diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h
index fae8cad..76edb9c 100644
--- a/arch/powerpc/include/asm/smp.h
+++ b/arch/powerpc/include/asm/smp.h
@@ -50,7 +50,6 @@ struct smp_ops_t {
void (*give_timebase)(void);
int (*cpu_disable)(void);
void (*cpu_die)(unsigned int nr);
- int (*cpu_bootable)(unsigned int nr);
};
extern void smp_send_debugger_break(void);
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 8d7f114..e8bd931 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -82,17 +82,6 @@ volatile unsigned int cpu_callin_map[NR_CPUS];
static void (*crash_ipi_function_ptr)(struct pt_regs *) = NULL;
-/*
- * Returns 1 if the specified cpu should be brought up during boot.
- * Used to inhibit booting threads if they've been disabled or
- * limited on the command line
- */
-int smp_generic_cpu_bootable(unsigned int nr)
-{
- return 1;
-}
-
-
#ifdef CONFIG_PPC64
int smp_generic_kick_cpu(int nr)
{
@@ -489,8 +478,7 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle)
cpu_thread_in_subcore(cpu))
return -EBUSY;
- if (smp_ops == NULL ||
- (smp_ops->cpu_bootable && !smp_ops->cpu_bootable(cpu)))
+ if (smp_ops == NULL)
return -EINVAL;
cpu_idle_thread_init(cpu, tidle);
diff --git a/arch/powerpc/platforms/85xx/smp.c
b/arch/powerpc/platforms/85xx/smp.c
index d7c1e69..3aedc35 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -326,7 +326,6 @@ out:
struct smp_ops_t smp_85xx_ops = {
.kick_cpu = smp_85xx_kick_cpu,
- .cpu_bootable = smp_generic_cpu_bootable,
#ifdef CONFIG_HOTPLUG_CPU
.cpu_disable = generic_cpu_disable,
.cpu_die = generic_cpu_die,
diff --git a/arch/powerpc/platforms/cell/smp.c
b/arch/powerpc/platforms/cell/smp.c
index c8017a7..09f4eec 100644
--- a/arch/powerpc/platforms/cell/smp.c
+++ b/arch/powerpc/platforms/cell/smp.c
@@ -142,7 +142,6 @@ static struct smp_ops_t bpa_iic_smp_ops = {
.probe = smp_iic_probe,
.kick_cpu = smp_cell_kick_cpu,
.setup_cpu = smp_cell_setup_cpu,
- .cpu_bootable = smp_generic_cpu_bootable,
};
/* This is called very early */
diff --git a/arch/powerpc/platforms/powernv/smp.c
b/arch/powerpc/platforms/powernv/smp.c
index 4753958..2e8a727 100644
--- a/arch/powerpc/platforms/powernv/smp.c
+++ b/arch/powerpc/platforms/powernv/smp.c
@@ -191,7 +191,6 @@ static struct smp_ops_t pnv_smp_ops = {
.probe = xics_smp_probe,
.kick_cpu = pnv_smp_kick_cpu,
.setup_cpu = pnv_smp_setup_cpu,
- .cpu_bootable = smp_generic_cpu_bootable,
#ifdef CONFIG_HOTPLUG_CPU
.cpu_disable = pnv_smp_cpu_disable,
.cpu_die = generic_cpu_die,
diff --git a/arch/powerpc/platforms/pseries/smp.c
b/arch/powerpc/platforms/pseries/smp.c
index a3555b1..505a689 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -222,7 +222,6 @@ static struct smp_ops_t pSeries_xics_smp_ops = {
.probe = pSeries_smp_probe,
.kick_cpu = smp_pSeries_kick_cpu,
.setup_cpu = smp_xics_setup_cpu,
- .cpu_bootable = smp_generic_cpu_bootable,
};
/* This is called very early */
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