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-rw-r--r--arch/powerpc/kernel/kgdb.c2
-rw-r--r--arch/powerpc/kernel/smp.c19
2 files changed, 14 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
index 42850ee00ada..bd9d35f59cf4 100644
--- a/arch/powerpc/kernel/kgdb.c
+++ b/arch/powerpc/kernel/kgdb.c
@@ -109,7 +109,7 @@ static int kgdb_call_nmi_hook(struct pt_regs *regs)
#ifdef CONFIG_SMP
void kgdb_roundup_cpus(unsigned long flags)
{
- smp_send_debugger_break(MSG_ALL_BUT_SELF);
+ smp_send_debugger_break();
}
#endif
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 87517ab6d365..b74411446922 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -218,11 +218,18 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask)
smp_ops->message_pass(cpu, PPC_MSG_CALL_FUNCTION);
}
-#ifdef CONFIG_DEBUGGER
-void smp_send_debugger_break(int cpu)
+#if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
+void smp_send_debugger_break(void)
{
- if (likely(smp_ops))
- smp_ops->message_pass(cpu, PPC_MSG_DEBUGGER_BREAK);
+ int cpu;
+ int me = raw_smp_processor_id();
+
+ if (unlikely(!smp_ops))
+ return;
+
+ for_each_online_cpu(cpu)
+ if (cpu != me)
+ smp_ops->message_pass(cpu, PPC_MSG_DEBUGGER_BREAK);
}
#endif
@@ -230,9 +237,9 @@ void smp_send_debugger_break(int cpu)
void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *))
{
crash_ipi_function_ptr = crash_ipi_callback;
- if (crash_ipi_callback && smp_ops) {
+ if (crash_ipi_callback) {
mb();
- smp_ops->message_pass(MSG_ALL_BUT_SELF, PPC_MSG_DEBUGGER_BREAK);
+ smp_send_debugger_break();
}
}
#endif