diff options
Diffstat (limited to 'arch/arm64/kernel/hw_breakpoint.c')
| -rw-r--r-- | arch/arm64/kernel/hw_breakpoint.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/arm64/kernel/hw_breakpoint.c b/arch/arm64/kernel/hw_breakpoint.c index b45c95d34b83..ce21aa88263f 100644 --- a/arch/arm64/kernel/hw_breakpoint.c +++ b/arch/arm64/kernel/hw_breakpoint.c @@ -616,7 +616,7 @@ static int breakpoint_handler(unsigned long unused, unsigned int esr, perf_bp_event(bp, regs); /* Do we need to handle the stepping? */ - if (!bp->overflow_handler) + if (is_default_overflow_handler(bp)) step = 1; unlock: rcu_read_unlock(); @@ -712,7 +712,7 @@ static int watchpoint_handler(unsigned long addr, unsigned int esr, perf_bp_event(wp, regs); /* Do we need to handle the stepping? */ - if (!wp->overflow_handler) + if (is_default_overflow_handler(wp)) step = 1; unlock: @@ -886,9 +886,11 @@ static int hw_breakpoint_reset_notify(struct notifier_block *self, unsigned long action, void *hcpu) { - int cpu = (long)hcpu; - if ((action & ~CPU_TASKS_FROZEN) == CPU_ONLINE) - smp_call_function_single(cpu, hw_breakpoint_reset, NULL, 1); + if ((action & ~CPU_TASKS_FROZEN) == CPU_ONLINE) { + local_irq_disable(); + hw_breakpoint_reset(NULL); + local_irq_enable(); + } return NOTIFY_OK; } |