diff options
Diffstat (limited to 'arch/arm64/mm/fault.c')
| -rw-r--r-- | arch/arm64/mm/fault.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index c3efb77d1229..a13b9a65322f 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -334,10 +334,6 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr, } if (addr < USER_DS && is_permission_fault(esr, regs)) { - /* regs->orig_addr_limit may be 0 if we entered from EL0 */ - if (regs->orig_addr_limit == KERNEL_DS) - die("Accessing user space memory with fs=KERNEL_DS", regs, esr); - if (is_el1_instruction_abort(esr)) die("Attempting to execute userspace memory", regs, esr); @@ -461,7 +457,7 @@ no_context: * so that, do_mem_abort would not crash kernel thinking TLB conflict not * handled. */ -#ifdef QCOM_TLB_EL2_HANDLER +#ifdef CONFIG_QCOM_TLB_EL2_HANDLER static int do_tlb_conf_fault(unsigned long addr, unsigned int esr, struct pt_regs *regs) @@ -532,10 +528,10 @@ static const struct fault_info { { do_bad, SIGBUS, 0, "unknown 17" }, { do_bad, SIGBUS, 0, "unknown 18" }, { do_bad, SIGBUS, 0, "unknown 19" }, - { do_bad, SIGBUS, 0, "synchronous external abort (translation table walk)" }, - { do_bad, SIGBUS, 0, "synchronous external abort (translation table walk)" }, - { do_bad, SIGBUS, 0, "synchronous external abort (translation table walk)" }, - { do_bad, SIGBUS, 0, "synchronous external abort (translation table walk)" }, + { do_bad, SIGBUS, 0, "synchronous abort (translation table walk)" }, + { do_bad, SIGBUS, 0, "synchronous abort (translation table walk)" }, + { do_bad, SIGBUS, 0, "synchronous abort (translation table walk)" }, + { do_bad, SIGBUS, 0, "synchronous abort (translation table walk)" }, { do_bad, SIGBUS, 0, "synchronous parity error" }, { do_bad, SIGBUS, 0, "unknown 25" }, { do_bad, SIGBUS, 0, "unknown 26" }, @@ -560,7 +556,7 @@ static const struct fault_info { { do_bad, SIGBUS, 0, "unknown 45" }, { do_bad, SIGBUS, 0, "unknown 46" }, { do_bad, SIGBUS, 0, "unknown 47" }, -#ifdef QCOM_TLB_EL2_HANDLER +#ifdef CONFIG_QCOM_TLB_EL2_HANDLER { do_tlb_conf_fault, SIGBUS, 0, "TLB conflict abort" }, #else { do_bad, SIGBUS, 0, "TLB conflict abort" }, |