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-rw-r--r--include/asm-x86_64/compat.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/asm-x86_64/compat.h b/include/asm-x86_64/compat.h
index f0155c38f639..b37ab8218ef0 100644
--- a/include/asm-x86_64/compat.h
+++ b/include/asm-x86_64/compat.h
@@ -198,8 +198,13 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
static __inline__ void __user *compat_alloc_user_space(long len)
{
- struct pt_regs *regs = (void *)current->thread.rsp0 - sizeof(struct pt_regs);
+ struct pt_regs *regs = task_pt_regs(current);
return (void __user *)regs->rsp - len;
}
+static inline int is_compat_task(void)
+{
+ return current_thread_info()->status & TS_COMPAT;
+}
+
#endif /* _ASM_X86_64_COMPAT_H */