diff options
Diffstat (limited to 'arch/tile/kernel/single_step.c')
| -rw-r--r-- | arch/tile/kernel/single_step.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/tile/kernel/single_step.c b/arch/tile/kernel/single_step.c index 84a729e06ec..86df5a239b7 100644 --- a/arch/tile/kernel/single_step.c +++ b/arch/tile/kernel/single_step.c @@ -318,6 +318,14 @@ void single_step_once(struct pt_regs *regs) " .popsection\n" ); + /* + * Enable interrupts here to allow touching userspace and the like. + * The callers expect this: do_trap() already has interrupts + * enabled, and do_work_pending() handles functions that enable + * interrupts internally. + */ + local_irq_enable(); + if (state == NULL) { /* allocate a page of writable, executable memory */ state = kmalloc(sizeof(struct single_step_state), GFP_KERNEL); |