xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge branches 'cache-l2x0', 'fixes', 'hdrs', 'misc', 'mmci', 'vic' and 'warnings' into for-next

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This commit is contained in:
Russell King
2012-12-11 00:20:18 +00:00
parent b8db6b886a 810883f059 95e629b761 b10bca0bc6 4b85da08c4 946c59a08a 60d6dd530a
commit 0b99cb7310
1701 changed files with 22639 additions and 16370 deletions
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21
arch/arm/kernel/smp.c
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@@ -294,18 +294,24 @@ static void percpu_timer_setup(void);
asmlinkage void __cpuinit secondary_start_kernel(void)
{
struct mm_struct *mm = &init_mm;
unsigned int cpu = smp_processor_id();
unsigned int cpu;
/*
* The identity mapping is uncached (strongly ordered), so
* switch away from it before attempting any exclusive accesses.
*/
cpu_switch_mm(mm->pgd, mm);
enter_lazy_tlb(mm, current);
local_flush_tlb_all();
/*
* All kernel threads share the same mm context; grab a
* reference and switch to it.
*/
cpu = smp_processor_id();
atomic_inc(&mm->mm_count);
current->active_mm = mm;
cpumask_set_cpu(cpu, mm_cpumask(mm));
cpu_switch_mm(mm->pgd, mm);
enter_lazy_tlb(mm, current);
local_flush_tlb_all();
printk("CPU%u: Booted secondary processor\n", cpu);
@@ -415,6 +421,11 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask)
smp_cross_call(mask, IPI_CALL_FUNC);
}
void arch_send_wakeup_ipi_mask(const struct cpumask *mask)
{
smp_cross_call(mask, IPI_WAKEUP);
}
void arch_send_call_function_single_ipi(int cpu)
{
smp_cross_call(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE);
@@ -437,7 +448,7 @@ void show_ipi_list(struct seq_file *p, int prec)
for (i = 0; i < NR_IPI; i++) {
seq_printf(p, "%*s%u: ", prec - 1, "IPI", i);
for_each_present_cpu(cpu)
for_each_online_cpu(cpu)
seq_printf(p, "%10u ",
__get_irq_stat(cpu, ipi_irqs[i]));