diff options
Diffstat (limited to 'arch/arm/mm/fault.c')
| -rw-r--r-- | arch/arm/mm/fault.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 2a0271677725..eb5520fc755f 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -110,8 +110,10 @@ void show_pte(struct mm_struct *mm, unsigned long addr) pte = pte_offset_map(pmd, addr); printk(", *pte=%08llx", (long long)pte_val(*pte)); +#ifndef CONFIG_ARM_LPAE printk(", *ppte=%08llx", (long long)pte_val(pte[PTE_HWTABLE_PTRS])); +#endif pte_unmap(pte); } while(0); @@ -428,6 +430,12 @@ do_translation_fault(unsigned long addr, unsigned int fsr, pmd = pmd_offset(pud, addr); pmd_k = pmd_offset(pud_k, addr); +#ifdef CONFIG_ARM_LPAE + /* + * Only one hardware entry per PMD with LPAE. + */ + index = 0; +#else /* * On ARM one Linux PGD entry contains two hardware entries (see page * tables layout in pgtable.h). We normally guarantee that we always @@ -437,6 +445,7 @@ do_translation_fault(unsigned long addr, unsigned int fsr, * for the first of pair. */ index = (addr >> SECTION_SHIFT) & 1; +#endif if (pmd_none(pmd_k[index])) goto bad_area; @@ -484,7 +493,11 @@ struct fsr_info { }; /* FSR definition */ +#ifdef CONFIG_ARM_LPAE +#include "fsr-3level.c" +#else #include "fsr-2level.c" +#endif void __init hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int, struct pt_regs *), @@ -553,6 +566,7 @@ do_PrefetchAbort(unsigned long addr, unsigned int ifsr, struct pt_regs *regs) arm_notify_die("", regs, &info, ifsr, 0); } +#ifndef CONFIG_ARM_LPAE static int __init exceptions_init(void) { if (cpu_architecture() >= CPU_ARCH_ARMv6) { @@ -575,3 +589,4 @@ static int __init exceptions_init(void) } arch_initcall(exceptions_init); +#endif |