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Diffstat (limited to 'arch/arm64/kernel/debug-monitors.c')
-rw-r--r--arch/arm64/kernel/debug-monitors.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index 024a7b245056..58f047de3e1c 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -303,7 +303,6 @@ static int call_break_hook(struct pt_regs *regs, unsigned long esr)
{
struct break_hook *hook;
struct list_head *list;
- int (*fn)(struct pt_regs *regs, unsigned long esr) = NULL;
list = user_mode(regs) ? &user_break_hook : &kernel_break_hook;
@@ -313,10 +312,10 @@ static int call_break_hook(struct pt_regs *regs, unsigned long esr)
*/
list_for_each_entry_rcu(hook, list, node) {
if ((esr_brk_comment(esr) & ~hook->mask) == hook->imm)
- fn = hook->fn;
+ return hook->fn(regs, esr);
}
- return fn ? fn(regs, esr) : DBG_HOOK_ERROR;
+ return DBG_HOOK_ERROR;
}
NOKPROBE_SYMBOL(call_break_hook);
@@ -441,6 +440,11 @@ void kernel_rewind_single_step(struct pt_regs *regs)
set_regs_spsr_ss(regs);
}
+void kernel_fastforward_single_step(struct pt_regs *regs)
+{
+ clear_regs_spsr_ss(regs);
+}
+
/* ptrace API */
void user_enable_single_step(struct task_struct *task)
{