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sh64: Utilize thread fault code encoding.

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This plugs in fault code encoding for the sh64 page fault, too.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2012-05-14 15:07:52 +09:00
parent 5a1dc78a38
commit 9a7b7739f9
2 changed files with 16 additions and 16 deletions
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12
arch/sh/mm/tlbflush_64.c
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@@ -61,15 +61,17 @@ static pte_t *lookup_pte(struct mm_struct *mm, unsigned long address)
* and the problem, and then passes it off to one of the appropriate
* routines.
*/
asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
unsigned long textaccess, unsigned long address)
asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code,
unsigned long address)
{
struct task_struct *tsk;
struct mm_struct *mm;
struct vm_area_struct * vma;
const struct exception_table_entry *fixup;
int write = error_code & FAULT_CODE_WRITE;
int textaccess = error_code & FAULT_CODE_ITLB;
unsigned int flags = (FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE |
(writeaccess ? FAULT_FLAG_WRITE : 0));
(write ? FAULT_FLAG_WRITE : 0));
pte_t *pte;
int fault;
@@ -122,7 +124,7 @@ good_area:
if (!(vma->vm_flags & VM_EXEC))
goto bad_area;
} else {
if (writeaccess) {
if (write) {
if (!(vma->vm_flags & VM_WRITE))
goto bad_area;
} else {
@@ -239,7 +241,7 @@ no_context:
printk(KERN_ALERT "Unable to handle kernel paging request");
printk(" at virtual address %08lx\n", address);
printk(KERN_ALERT "pc = %08Lx%08Lx\n", regs->pc >> 32, regs->pc & 0xffffffff);
die("Oops", regs, writeaccess);
die("Oops", regs, error_code);
do_exit(SIGKILL);
/*