enum ipi_msg_type {
IPI_CALL_FUNC,
- IPI_CALL_FUNC_SINGLE,
IPI_RESCHEDULE,
};
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
-#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask
asmlinkage void secondary_start_kernel(void);
pgd = pgd_offset(&init_mm, CONSISTENT_START);
pud = pud_alloc(&init_mm, pgd, CONSISTENT_START);
pmd = pmd_alloc(&init_mm, pud, CONSISTENT_START);
- if (!pmd) {
- pr_err("%s: no pmd tables\n", __func__);
- ret = -ENOMEM;
- break;
- }
WARN_ON(!pmd_none(*pmd));
pte = pte_alloc_kernel(pmd, CONSISTENT_START);
void arch_send_call_function_single_ipi(int cpu)
{
- send_ipi_message(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE);
+ send_ipi_message(cpumask_of(cpu), IPI_CALL_FUNC);
}
void show_ipi_list(struct seq_file *p)
*
* Bit 0 - Inter-processor function call
*/
-static int do_IPI(struct pt_regs *regs)
+static int do_IPI(void)
{
unsigned int cpu = smp_processor_id();
struct ipi_data *ipi = &per_cpu(ipi_data, cpu);
- struct pt_regs *old_regs = set_irq_regs(regs);
unsigned long msgs, nextmsg;
int handled = 0;
generic_smp_call_function_interrupt();
break;
- case IPI_CALL_FUNC_SINGLE:
- generic_smp_call_function_single_interrupt();
- break;
-
default:
pr_crit("CPU%u: Unknown IPI message 0x%lx\n",
cpu, nextmsg);
}
}
- set_irq_regs(old_regs);
-
return handled;
}
static TBIRES ipi_handler(TBIRES State, int SigNum, int Triggers,
int Inst, PTBI pTBI, int *handled)
{
- *handled = do_IPI((struct pt_regs *)State.Sig.pCtx);
+ *handled = do_IPI();
return State;
}