nmi_backtrace: add more trigger_*_cpu_backtrace() methods

[cascardo/linux.git] / arch / mips / kernel / process.c

diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index d2d0615..9514e5f 100644 (file)
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -569,9 +569,16 @@ static void arch_dump_stack(void *info)
        dump_stack();
 }
 
-void arch_trigger_all_cpu_backtrace(bool include_self)
+void arch_trigger_cpumask_backtrace(const cpumask_t *mask, bool exclude_self)
 {
-       smp_call_function(arch_dump_stack, NULL, 1);
+       long this_cpu = get_cpu();
+
+       if (cpumask_test_cpu(this_cpu, mask) && !exclude_self)
+               dump_stack();
+
+       smp_call_function_many(mask, arch_dump_stack, NULL, 1);
+
+       put_cpu();
 }
 
 int mips_get_process_fp_mode(struct task_struct *task)