summaryrefslogtreecommitdiffstats
path: root/arch/arm/kernel/process.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/kernel/process.c')
-rw-r--r--arch/arm/kernel/process.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 23def52d2d24..3af34bf4f4df 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -29,6 +29,7 @@
#include <linux/utsname.h>
#include <linux/uaccess.h>
#include <linux/random.h>
+#include <linux/hw_breakpoint.h>
#include <asm/cacheflush.h>
#include <asm/leds.h>
@@ -336,6 +337,8 @@ void flush_thread(void)
struct thread_info *thread = current_thread_info();
struct task_struct *tsk = current;
+ flush_ptrace_hw_breakpoint(tsk);
+
memset(thread->used_cp, 0, sizeof(thread->used_cp));
memset(&tsk->thread.debug, 0, sizeof(struct debug_info));
memset(&thread->fpstate, 0, sizeof(union fp_state));
@@ -364,6 +367,8 @@ copy_thread(unsigned long clone_flags, unsigned long stack_start,
thread->cpu_context.sp = (unsigned long)childregs;
thread->cpu_context.pc = (unsigned long)ret_from_fork;
+ clear_ptrace_hw_breakpoint(p);
+
if (clone_flags & CLONE_SETTLS)
thread->tp_value = regs->ARM_r3;
OpenPOWER on IntegriCloud