diff options
Diffstat (limited to 'arch/sparc/kernel/smp_32.c')
| -rw-r--r-- | arch/sparc/kernel/smp_32.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c index f671e7fd6ddc..569a8a9d24a2 100644 --- a/arch/sparc/kernel/smp_32.c +++ b/arch/sparc/kernel/smp_32.c @@ -301,28 +301,9 @@ void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr) local_flush_sig_insns(mm, insn_addr); } -extern unsigned int lvl14_resolution; - -/* /proc/profile writes can call this, don't __init it please. */ -static DEFINE_SPINLOCK(prof_setup_lock); - int setup_profiling_timer(unsigned int multiplier) { - int i; - unsigned long flags; - - /* Prevent level14 ticker IRQ flooding. */ - if((!multiplier) || (lvl14_resolution / multiplier) < 500) - return -EINVAL; - - spin_lock_irqsave(&prof_setup_lock, flags); - for_each_possible_cpu(i) { - load_profile_irq(i, lvl14_resolution / multiplier); - prof_multiplier(i) = multiplier; - } - spin_unlock_irqrestore(&prof_setup_lock, flags); - - return 0; + return -EINVAL; } void __init smp_prepare_cpus(unsigned int max_cpus) |