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-rw-r--r--arch/sh/kernel/process_32.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index 94273aaf78c1..59521e8a164d 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -22,6 +22,7 @@
#include <linux/ftrace.h>
#include <linux/hw_breakpoint.h>
#include <linux/prefetch.h>
+#include <linux/stackprotector.h>
#include <asm/uaccess.h>
#include <asm/mmu_context.h>
#include <asm/fpu.h>
@@ -155,15 +156,6 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
}
EXPORT_SYMBOL(dump_fpu);
-/*
- * This gets called before we allocate a new thread and copy
- * the current task into it.
- */
-void prepare_to_copy(struct task_struct *tsk)
-{
- unlazy_fpu(tsk, task_pt_regs(tsk));
-}
-
asmlinkage void ret_from_fork(void);
int copy_thread(unsigned long clone_flags, unsigned long usp,
@@ -220,6 +212,10 @@ __switch_to(struct task_struct *prev, struct task_struct *next)
{
struct thread_struct *next_t = &next->thread;
+#if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP)
+ __stack_chk_guard = next->stack_canary;
+#endif
+
unlazy_fpu(prev, task_pt_regs(prev));
/* we're going to use this soon, after a few expensive things */