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 <>
parent 0964ce24
......@@ -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)
/* avoid deadlock if someone is make IPC */
if (spin_is_locked(&smp_call_lock))
async_bp.addr = *epc;
*epc = (unsigned long)async_breakpoint;
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