diff options
Diffstat (limited to 'arch/x86/kernel/mmiotrace/mmio-mod.c')
| -rw-r--r-- | arch/x86/kernel/mmiotrace/mmio-mod.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/arch/x86/kernel/mmiotrace/mmio-mod.c b/arch/x86/kernel/mmiotrace/mmio-mod.c index 73561fe..e43947d 100644 --- a/arch/x86/kernel/mmiotrace/mmio-mod.c +++ b/arch/x86/kernel/mmiotrace/mmio-mod.c @@ -120,19 +120,24 @@ static int write_marker(struct file *file, const char __user *buffer, static void print_pte(unsigned long address) { - pgd_t *pgd = pgd_offset_k(address); - pud_t *pud = pud_offset(pgd, address); - pmd_t *pmd = pmd_offset(pud, address); - if (pmd_large(*pmd)) { + int level; + pte_t *pte = lookup_address(address, &level); + + if (!pte) { + printk(KERN_ERR "Error in %s: no pte for page 0x%08lx\n", + __FUNCTION__, address); + return; + } + + if (level == PG_LEVEL_2M) { printk(KERN_EMERG MODULE_NAME ": 4MB pages are not " "currently supported: %lx\n", address); BUG(); } printk(KERN_DEBUG MODULE_NAME ": pte for 0x%lx: 0x%lx 0x%lx\n", - address, - pte_val(*pte_offset_kernel(pmd, address)), - pte_val(*pte_offset_kernel(pmd, address)) & _PAGE_PRESENT); + address, pte_val(*pte), + pte_val(*pte) & _PAGE_PRESENT); } /* |
