Commit b188ffe8 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

Fix build with SMP disabled and preemption enabled. 



Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 0964ce24

arch/mips/kernel/gdb-stub.c

+3 −0
Original line number Diff line number Diff line
@@ -637,15 +637,18 @@ static struct gdb_bp_save async_bp; 
 * 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;