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Add a few simple error checks to tlb dumper.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2005-08-16 17:47:00 +00:00
parent d2f755e04f
commit ac351d9473
1 changed files with 14 additions and 11 deletions
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25
arch/mips/lib-32/dump_tlb.c
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@ -160,24 +160,27 @@ void dump_list_process(struct task_struct *t, void *address)
if (addr > KSEG0) if (addr > KSEG0)
page_dir = pgd_offset_k(0); page_dir = pgd_offset_k(0);
else else if (t->mm) {
page_dir = pgd_offset(t->mm, 0); page_dir = pgd_offset(t->mm, 0);
printk("page_dir == %08x\n", (unsigned int) page_dir); printk("page_dir == %08x\n", (unsigned int) page_dir);
} else
printk("Current thread has no mm\n");
if (addr > KSEG0) if (addr > KSEG0)
pgd = pgd_offset_k(addr); pgd = pgd_offset_k(addr);
else else if (t->mm) {
pgd = pgd_offset(t->mm, addr); pgd = pgd_offset(t->mm, addr);
printk("pgd == %08x, ", (unsigned int) pgd); printk("pgd == %08x, ", (unsigned int) pgd);
pud = pud_offset(pgd, addr);
printk("pud == %08x, ", (unsigned int) pud);
pud = pud_offset(pgd, addr); pmd = pmd_offset(pud, addr);
printk("pud == %08x, ", (unsigned int) pud); printk("pmd == %08x, ", (unsigned int) pmd);
pmd = pmd_offset(pud, addr); pte = pte_offset(pmd, addr);
printk("pmd == %08x, ", (unsigned int) pmd); printk("pte == %08x, ", (unsigned int) pte);
} else
pte = pte_offset(pmd, addr); printk("Current thread has no mm\n");
printk("pte == %08x, ", (unsigned int) pte);
page = *pte; page = *pte;
#ifdef CONFIG_64BIT_PHYS_ADDR #ifdef CONFIG_64BIT_PHYS_ADDR