summaryrefslogtreecommitdiff
path: root/arch/powerpc/include/asm/stackprotector.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/include/asm/stackprotector.h')
-rw-r--r--arch/powerpc/include/asm/stackprotector.h10
1 files changed, 1 insertions, 9 deletions
diff --git a/arch/powerpc/include/asm/stackprotector.h b/arch/powerpc/include/asm/stackprotector.h
index 1c8460e23583..283c34647856 100644
--- a/arch/powerpc/include/asm/stackprotector.h
+++ b/arch/powerpc/include/asm/stackprotector.h
@@ -7,8 +7,6 @@
#ifndef _ASM_STACKPROTECTOR_H
#define _ASM_STACKPROTECTOR_H
-#include <linux/random.h>
-#include <linux/version.h>
#include <asm/reg.h>
#include <asm/current.h>
#include <asm/paca.h>
@@ -21,13 +19,7 @@
*/
static __always_inline void boot_init_stack_canary(void)
{
- unsigned long canary;
-
- /* Try to get a semi random initial value. */
- canary = get_random_canary();
- canary ^= mftb();
- canary ^= LINUX_VERSION_CODE;
- canary &= CANARY_MASK;
+ unsigned long canary = get_random_canary();
current->stack_canary = canary;
#ifdef CONFIG_PPC64