Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit f8b4ece2 authored by Pekka Enberg's avatar Pekka Enberg Committed by Vegard Nossum
Browse files

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: default avatarPekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: default avatarVegard Nossum <vegard.nossum@gmail.com>
parent 6d9609c1

arch/x86/mm/kmemcheck/kmemcheck.c

+1 −6
Original line number Diff line number Diff line
@@ -611,7 +611,6 @@ bool kmemcheck_fault(struct pt_regs *regs, unsigned long address, 
	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 @@ bool kmemcheck_fault(struct pt_regs *regs, unsigned long address, 
	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);