diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arc/kernel/entry.S | 4 | ||||
| -rw-r--r-- | arch/arc/kernel/traps.c | 17 |
2 files changed, 6 insertions, 15 deletions
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S index 91eeab81f52..666a486f1e7 100644 --- a/arch/arc/kernel/entry.S +++ b/arch/arc/kernel/entry.S @@ -393,12 +393,12 @@ ARC_ENTRY EV_TLBProtV #ifdef CONFIG_ARC_MISALIGN_ACCESS SAVE_CALLEE_SAVED_USER mov r3, sp ; callee_regs -#endif bl do_misaligned_access -#ifdef CONFIG_ARC_MISALIGN_ACCESS DISCARD_CALLEE_SAVED_USER +#else + bl do_misaligned_error #endif b ret_from_exception diff --git a/arch/arc/kernel/traps.c b/arch/arc/kernel/traps.c index 74839d10d80..0471d9c9dd5 100644 --- a/arch/arc/kernel/traps.c +++ b/arch/arc/kernel/traps.c @@ -84,6 +84,7 @@ DO_ERROR_INFO(SIGILL, "Invalid Extn Insn", do_extension_fault, ILL_ILLOPC) DO_ERROR_INFO(SIGILL, "Illegal Insn (or Seq)", insterror_is_error, ILL_ILLOPC) DO_ERROR_INFO(SIGBUS, "Invalid Mem Access", do_memory_error, BUS_ADRERR) DO_ERROR_INFO(SIGTRAP, "Breakpoint Set", trap_is_brkpt, TRAP_BRKPT) +DO_ERROR_INFO(SIGBUS, "Misaligned Access", do_misaligned_error, BUS_ADRALN) #ifdef CONFIG_ARC_MISALIGN_ACCESS /* @@ -92,21 +93,11 @@ DO_ERROR_INFO(SIGTRAP, "Breakpoint Set", trap_is_brkpt, TRAP_BRKPT) int do_misaligned_access(unsigned long cause, unsigned long address, struct pt_regs *regs, struct callee_regs *cregs) { - if (misaligned_fixup(address, regs, cause, cregs) != 0) { - siginfo_t info; - - info.si_signo = SIGBUS; - info.si_errno = 0; - info.si_code = BUS_ADRALN; - info.si_addr = (void __user *)address; - return handle_exception(cause, "Misaligned Access", regs, - &info); - } + if (misaligned_fixup(address, regs, cause, cregs) != 0) + return do_misaligned_error(cause, address, regs); + return 0; } - -#else -DO_ERROR_INFO(SIGSEGV, "Misaligned Access", do_misaligned_access, SEGV_ACCERR) #endif /* |