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| author | Paul Mundt <lethal@linux-sh.org> | 2012-05-14 08:07:52 +0200 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2012-05-14 08:07:52 +0200 |
| commit | 9a7b7739f9dba4014fc93531e4c2b6efac41b0a7 (patch) | |
| tree | 8f9f69de41c2b46f3c1e174e4b0676ca9f53dece /arch/sh/mm | |
| parent | sh: Support thread fault code encoding. (diff) | |
| download | linux-9a7b7739f9dba4014fc93531e4c2b6efac41b0a7.tar.xz linux-9a7b7739f9dba4014fc93531e4c2b6efac41b0a7.zip | |
sh64: Utilize thread fault code encoding.
This plugs in fault code encoding for the sh64 page fault, too.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm')
| -rw-r--r-- | arch/sh/mm/tlbflush_64.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c index be01f92f8c89..99c5833036be 100644 --- a/arch/sh/mm/tlbflush_64.c +++ b/arch/sh/mm/tlbflush_64.c @@ -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); /* |