diff options
Diffstat (limited to 'arch/arc/kernel/entry.S')
| -rw-r--r-- | arch/arc/kernel/entry.S | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S index 2cb8dfe866b6..dd77a0c8f740 100644 --- a/arch/arc/kernel/entry.S +++ b/arch/arc/kernel/entry.S @@ -101,11 +101,8 @@ ENTRY(EV_MachineCheck) lr r0, [efa] mov r1, sp - ; hardware auto-disables MMU, re-enable it to allow kernel vaddr - ; access for say stack unwinding of modules for crash dumps - lr r3, [ARC_REG_PID] - or r3, r3, MMU_ENABLE - sr r3, [ARC_REG_PID] + ; MC excpetions disable MMU + ARC_MMU_REENABLE r3 lsr r3, r2, 8 bmsk r3, r3, 7 |