Fix build with SMP disabled and preemption enabled.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Fix build with SMP disabled and preemption enabled.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle
1 parent 0964ce24d0
Showing 1 changed file with 3 additions and 0 deletions Side-by-side Diff
arch/mips/kernel/gdb-stub.c
@@ -637,15 +637,18 @@
  * and only one can be active at a time.
  */
 extern spinlock_t smp_call_lock;
+
 void set_async_breakpoint(unsigned long *epc)
 {
 	/* skip breaking into userland */
 	if ((*epc & 0x80000000) == 0)
 		return;
  
+#ifdef CONFIG_SMP
 	/* avoid deadlock if someone is make IPC */
 	if (spin_is_locked(&smp_call_lock))
 		return;
+#endif
  
 	async_bp.addr = *epc;
 	*epc = (unsigned long)async_breakpoint;
...	...	@@ -637,15 +637,18 @@
637	637	* and only one can be active at a time.
638	638	*/
639	639	extern spinlock_t smp_call_lock;
	640	+
640	641	void set_async_breakpoint(unsigned long *epc)
641	642	{
642	643	/* skip breaking into userland */
643	644	if ((*epc & 0x80000000) == 0)
644	645	return;
645	646
	647	+#ifdef CONFIG_SMP
646	648	/* avoid deadlock if someone is make IPC */
647	649	if (spin_is_locked(&smp_call_lock))
648	650	return;
	651	+#endif
649	652
650	653	async_bp.addr = *epc;
651	654	*epc = (unsigned long)async_breakpoint;