kmemcheck: use kmemcheck_pte_lookup() instead of open-coding it
Lets use kmemcheck_pte_lookup() in kmemcheck_fault() instead of
open-coding it there.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
diff --git a/arch/x86/mm/kmemcheck/kmemcheck.c b/arch/x86/mm/kmemcheck/kmemcheck.c
index a644f24..6931e51 100644
--- a/arch/x86/mm/kmemcheck/kmemcheck.c
+++ b/arch/x86/mm/kmemcheck/kmemcheck.c
@@ -611,7 +611,6 @@
unsigned long error_code)
{
pte_t *pte;
- unsigned int level;
/*
* XXX: Is it safe to assume that memory accesses from virtual 86
@@ -624,13 +623,9 @@
if (regs->cs != __KERNEL_CS)
return false;
- pte = lookup_address(address, &level);
+ pte = kmemcheck_pte_lookup(address);
if (!pte)
return false;
- if (level != PG_LEVEL_4K)
- return false;
- if (!pte_hidden(*pte))
- return false;
if (error_code & 2)
kmemcheck_access(regs, address, KMEMCHECK_WRITE);