diff options
Diffstat (limited to 'arch/arm64/mm/fault.c')
| -rw-r--r-- | arch/arm64/mm/fault.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 1a7e92ab69eb..0cb0e09995e1 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -148,7 +148,7 @@ static inline bool is_ttbr1_addr(unsigned long addr) /* * Dump out the page tables associated with 'addr' in the currently active mm. */ -void show_pte(unsigned long addr) +static void show_pte(unsigned long addr) { struct mm_struct *mm; pgd_t *pgdp; @@ -810,13 +810,12 @@ void __init hook_debug_fault_code(int nr, debug_fault_info[nr].name = name; } -asmlinkage int __exception do_debug_exception(unsigned long addr_if_watchpoint, - unsigned int esr, - struct pt_regs *regs) +asmlinkage void __exception do_debug_exception(unsigned long addr_if_watchpoint, + unsigned int esr, + struct pt_regs *regs) { const struct fault_info *inf = esr_to_debug_fault_info(esr); unsigned long pc = instruction_pointer(regs); - int rv; /* * Tell lockdep we disabled irqs in entry.S. Do nothing if they were @@ -828,17 +827,12 @@ asmlinkage int __exception do_debug_exception(unsigned long addr_if_watchpoint, if (user_mode(regs) && !is_ttbr0_addr(pc)) arm64_apply_bp_hardening(); - if (!inf->fn(addr_if_watchpoint, esr, regs)) { - rv = 1; - } else { + if (inf->fn(addr_if_watchpoint, esr, regs)) { arm64_notify_die(inf->name, regs, inf->sig, inf->code, (void __user *)pc, esr); - rv = 0; } if (interrupts_enabled(regs)) trace_hardirqs_on(); - - return rv; } NOKPROBE_SYMBOL(do_debug_exception); |