diff options
Diffstat (limited to 'arch/arm64/include/asm/compat.h')
| -rw-r--r-- | arch/arm64/include/asm/compat.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h index 37e610dc084e..618b450e5a1d 100644 --- a/arch/arm64/include/asm/compat.h +++ b/arch/arm64/include/asm/compat.h @@ -23,6 +23,7 @@ */ #include <linux/types.h> #include <linux/sched.h> +#include <linux/ptrace.h> #define COMPAT_USER_HZ 100 #define COMPAT_UTS_MACHINE "armv8l\0\0" @@ -209,10 +210,11 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr) return (u32)(unsigned long)uptr; } +#define compat_user_stack_pointer() (current_pt_regs()->compat_sp) + static inline void __user *arch_compat_alloc_user_space(long len) { - struct pt_regs *regs = task_pt_regs(current); - return (void __user *)regs->compat_sp - len; + return (void __user *)compat_user_stack_pointer() - len; } struct compat_ipc64_perm { |