nmi_backtrace: add more trigger_*_cpu_backtrace() methods

[cascardo/linux.git] / arch / sparc / kernel / process_64.c

diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index fa14402..47ff558 100644 (file)
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -239,7 +239,7 @@ static void __global_reg_poll(struct global_reg_snapshot *gp)
        }
 }
 
-void arch_trigger_all_cpu_backtrace(bool include_self)
+void arch_trigger_cpumask_backtrace(const cpumask_t *mask, bool exclude_self)
 {
        struct thread_info *tp = current_thread_info();
        struct pt_regs *regs = get_irq_regs();
@@ -255,15 +255,15 @@ void arch_trigger_all_cpu_backtrace(bool include_self)
 
        memset(global_cpu_snapshot, 0, sizeof(global_cpu_snapshot));
 
-       if (include_self)
+       if (cpumask_test_cpu(this_cpu, mask) && !exclude_self)
                __global_reg_self(tp, regs, this_cpu);
 
        smp_fetch_global_regs();
 
-       for_each_online_cpu(cpu) {
+       for_each_cpu(cpu, mask) {
                struct global_reg_snapshot *gp;
 
-               if (!include_self && cpu == this_cpu)
+               if (exclude_self && cpu == this_cpu)
                        continue;
 
                gp = &global_cpu_snapshot[cpu].reg;
@@ -300,7 +300,7 @@ void arch_trigger_all_cpu_backtrace(bool include_self)
 
 static void sysrq_handle_globreg(int key)
 {
-       arch_trigger_all_cpu_backtrace(true);
+       trigger_all_cpu_backtrace();
 }
 
 static struct sysrq_key_op sparc_globalreg_op = {