summaryrefslogtreecommitdiff
path: root/arch/xtensa/include
diff options
context:
space:
mode:
Diffstat (limited to 'arch/xtensa/include')
-rw-r--r--arch/xtensa/include/asm/pgtable.h2
-rw-r--r--arch/xtensa/include/asm/stackprotector.h9
2 files changed, 1 insertions, 10 deletions
diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h
index 54f577c13afa..5b5484d707b2 100644
--- a/arch/xtensa/include/asm/pgtable.h
+++ b/arch/xtensa/include/asm/pgtable.h
@@ -386,8 +386,6 @@ ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
#else
-#define kern_addr_valid(addr) (1)
-
extern void update_mmu_cache(struct vm_area_struct * vma,
unsigned long address, pte_t *ptep);
diff --git a/arch/xtensa/include/asm/stackprotector.h b/arch/xtensa/include/asm/stackprotector.h
index e368f94fd2af..dd10279a2378 100644
--- a/arch/xtensa/include/asm/stackprotector.h
+++ b/arch/xtensa/include/asm/stackprotector.h
@@ -14,9 +14,6 @@
#ifndef _ASM_STACKPROTECTOR_H
#define _ASM_STACKPROTECTOR_H 1
-#include <linux/random.h>
-#include <linux/version.h>
-
extern unsigned long __stack_chk_guard;
/*
@@ -27,11 +24,7 @@ extern unsigned long __stack_chk_guard;
*/
static __always_inline void boot_init_stack_canary(void)
{
- unsigned long canary;
-
- /* Try to get a semi random initial value. */
- get_random_bytes(&canary, sizeof(canary));
- canary ^= LINUX_VERSION_CODE;
+ unsigned long canary = get_random_canary();
current->stack_canary = canary;
__stack_chk_guard = current->stack_canary;