#include <asm/processor.h>
#include <asm/tlbflush.h>
#include <asm/ptrace.h>
-
-/*
- * bitmask of present and online CPUs.
- * The present bitmask indicates that the CPU is physically present.
- * The online bitmask indicates that the CPU is up and running.
- */
-cpumask_t cpu_possible_map;
-EXPORT_SYMBOL(cpu_possible_map);
-cpumask_t cpu_online_map;
-EXPORT_SYMBOL(cpu_online_map);
+#include <asm/cputype.h>
/*
* as from 2.5, kernels no longer have an init_tasks structure
pmd = pmd_offset(pgd + pgd_index(PHYS_OFFSET), PHYS_OFFSET);
*pmd = __pmd((PHYS_OFFSET & PGDIR_MASK) |
PMD_TYPE_SECT | PMD_SECT_AP_WRITE);
+ flush_pmd_entry(pmd);
/*
* We need to tell the secondary core where to find
secondary_data.pgdir = 0;
*pmd = __pmd(0);
+ clean_pmd_entry(pmd);
pgd_free(&init_mm, pgd);
if (ret) {
/*
* Stop the local timer for this CPU.
*/
- local_timer_stop(cpu);
+ local_timer_stop();
/*
* Flush user cache and TLB mappings, and then remove this CPU
/*
* Enable local interrupts.
*/
+ notify_cpu_starting(cpu);
local_irq_enable();
local_fiq_enable();
/*
* Setup local timer for this CPU.
*/
- local_timer_setup(cpu);
+ local_timer_setup();
calibrate_delay();
per_cpu(cpu_data, cpu).idle = current;
}
-static void send_ipi_message(cpumask_t callmap, enum ipi_msg_type msg)
+static void send_ipi_message(const struct cpumask *mask, enum ipi_msg_type msg)
{
unsigned long flags;
unsigned int cpu;
local_irq_save(flags);
- for_each_cpu_mask(cpu, callmap) {
+ for_each_cpu(cpu, mask) {
struct ipi_data *ipi = &per_cpu(ipi_data, cpu);
spin_lock(&ipi->lock);
/*
* Call the platform specific cross-CPU call function.
*/
- smp_cross_call(callmap);
+ smp_cross_call(mask);
local_irq_restore(flags);
}
-void arch_send_call_function_ipi(cpumask_t mask)
+void arch_send_call_function_ipi_mask(const struct cpumask *mask)
{
send_ipi_message(mask, IPI_CALL_FUNC);
}
void arch_send_call_function_single_ipi(int cpu)
{
- send_ipi_message(cpumask_of_cpu(cpu), IPI_CALL_FUNC_SINGLE);
+ send_ipi_message(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE);
}
void show_ipi_list(struct seq_file *p)
void smp_send_reschedule(int cpu)
{
- send_ipi_message(cpumask_of_cpu(cpu), IPI_RESCHEDULE);
-}
-
-void smp_send_timer(void)
-{
- cpumask_t mask = cpu_online_map;
- cpu_clear(smp_processor_id(), mask);
- send_ipi_message(mask, IPI_TIMER);
+ send_ipi_message(cpumask_of(cpu), IPI_RESCHEDULE);
}
-void smp_timer_broadcast(cpumask_t mask)
+void smp_timer_broadcast(const struct cpumask *mask)
{
send_ipi_message(mask, IPI_TIMER);
}
{
cpumask_t mask = cpu_online_map;
cpu_clear(smp_processor_id(), mask);
- send_ipi_message(mask, IPI_CPU_STOP);
+ send_ipi_message(&mask, IPI_CPU_STOP);
}
/*
return -EINVAL;
}
-static int
-on_each_cpu_mask(void (*func)(void *), void *info, int wait, cpumask_t mask)
+static void
+on_each_cpu_mask(void (*func)(void *), void *info, int wait,
+ const struct cpumask *mask)
{
- int ret = 0;
-
preempt_disable();
- ret = smp_call_function_mask(mask, func, info, wait);
- if (cpu_isset(smp_processor_id(), mask))
+ smp_call_function_many(mask, func, info, wait);
+ if (cpumask_test_cpu(smp_processor_id(), mask))
func(info);
preempt_enable();
-
- return ret;
}
/**********************************************************************/
unsigned long ta_end;
};
+/* all SMP configurations have the extended CPUID registers */
+static inline int tlb_ops_need_broadcast(void)
+{
+ return ((read_cpuid_ext(CPUID_EXT_MMFR3) >> 12) & 0xf) < 2;
+}
+
static inline void ipi_flush_tlb_all(void *ignored)
{
local_flush_tlb_all();
void flush_tlb_all(void)
{
- on_each_cpu(ipi_flush_tlb_all, NULL, 1);
+ if (tlb_ops_need_broadcast())
+ on_each_cpu(ipi_flush_tlb_all, NULL, 1);
+ else
+ local_flush_tlb_all();
}
void flush_tlb_mm(struct mm_struct *mm)
{
- cpumask_t mask = mm->cpu_vm_mask;
-
- on_each_cpu_mask(ipi_flush_tlb_mm, mm, 1, mask);
+ if (tlb_ops_need_broadcast())
+ on_each_cpu_mask(ipi_flush_tlb_mm, mm, 1, &mm->cpu_vm_mask);
+ else
+ local_flush_tlb_mm(mm);
}
void flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
{
- cpumask_t mask = vma->vm_mm->cpu_vm_mask;
- struct tlb_args ta;
-
- ta.ta_vma = vma;
- ta.ta_start = uaddr;
-
- on_each_cpu_mask(ipi_flush_tlb_page, &ta, 1, mask);
+ if (tlb_ops_need_broadcast()) {
+ struct tlb_args ta;
+ ta.ta_vma = vma;
+ ta.ta_start = uaddr;
+ on_each_cpu_mask(ipi_flush_tlb_page, &ta, 1, &vma->vm_mm->cpu_vm_mask);
+ } else
+ local_flush_tlb_page(vma, uaddr);
}
void flush_tlb_kernel_page(unsigned long kaddr)
{
- struct tlb_args ta;
-
- ta.ta_start = kaddr;
-
- on_each_cpu(ipi_flush_tlb_kernel_page, &ta, 1);
+ if (tlb_ops_need_broadcast()) {
+ struct tlb_args ta;
+ ta.ta_start = kaddr;
+ on_each_cpu(ipi_flush_tlb_kernel_page, &ta, 1);
+ } else
+ local_flush_tlb_kernel_page(kaddr);
}
void flush_tlb_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end)
{
- cpumask_t mask = vma->vm_mm->cpu_vm_mask;
- struct tlb_args ta;
-
- ta.ta_vma = vma;
- ta.ta_start = start;
- ta.ta_end = end;
-
- on_each_cpu_mask(ipi_flush_tlb_range, &ta, 1, mask);
+ if (tlb_ops_need_broadcast()) {
+ struct tlb_args ta;
+ ta.ta_vma = vma;
+ ta.ta_start = start;
+ ta.ta_end = end;
+ on_each_cpu_mask(ipi_flush_tlb_range, &ta, 1, &vma->vm_mm->cpu_vm_mask);
+ } else
+ local_flush_tlb_range(vma, start, end);
}
void flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
- struct tlb_args ta;
-
- ta.ta_start = start;
- ta.ta_end = end;
-
- on_each_cpu(ipi_flush_tlb_kernel_range, &ta, 1);
+ if (tlb_ops_need_broadcast()) {
+ struct tlb_args ta;
+ ta.ta_start = start;
+ ta.ta_end = end;
+ on_each_cpu(ipi_flush_tlb_kernel_range, &ta, 1);
+ } else
+ local_flush_tlb_kernel_range(start, end);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff