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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-02-11 04:46:41 +0300 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-04-01 08:37:12 +0400 |
| commit | b527d07114fdab83f39040c69b4b0a4b1b232c16 (patch) | |
| tree | 7b264e427fcf71d829c8469a0720fe81974a0bb7 /arch/powerpc | |
| parent | 4fcb8833af3355065bd8bffcd338eabc6f3a38a0 (diff) | |
| download | linux-b527d07114fdab83f39040c69b4b0a4b1b232c16.tar.xz | |
powerpc/smp: Remove unused generic_cpu_enable()
Nobody uses it, besides we should always use the normal __cpu_up
path anyways
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/smp.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/smp.c | 22 |
2 files changed, 0 insertions, 23 deletions
diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h index 1de0e97a394f..a629b6fef882 100644 --- a/arch/powerpc/include/asm/smp.h +++ b/arch/powerpc/include/asm/smp.h @@ -43,7 +43,6 @@ DECLARE_PER_CPU(unsigned int, cpu_pvr); #ifdef CONFIG_HOTPLUG_CPU extern void fixup_irqs(const struct cpumask *map); int generic_cpu_disable(void); -int generic_cpu_enable(unsigned int cpu); void generic_cpu_die(unsigned int cpu); void generic_mach_cpu_die(void); #endif diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 3c0fab5e1e16..19d0c2576282 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -322,28 +322,6 @@ int generic_cpu_disable(void) return 0; } -int generic_cpu_enable(unsigned int cpu) -{ - /* Do the normal bootup if we haven't - * already bootstrapped. */ - if (system_state != SYSTEM_RUNNING) - return -ENOSYS; - - /* get the target out of it's holding state */ - per_cpu(cpu_state, cpu) = CPU_UP_PREPARE; - smp_wmb(); - - while (!cpu_online(cpu)) - cpu_relax(); - -#ifdef CONFIG_PPC64 - fixup_irqs(cpu_online_mask); - /* counter the irq disable in fixup_irqs */ - local_irq_enable(); -#endif - return 0; -} - void generic_cpu_die(unsigned int cpu) { int i; |