[PATCH] x86_64: Make sure is_compat_task works early

Previously it would only work in the first 32bit system call, not during
early process setup.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c
index 52c03f6c7731..dcb77b462348 100644
--- a/arch/x86_64/kernel/process.c
+++ b/arch/x86_64/kernel/process.c
@@ -364,8 +364,11 @@ void flush_thread(void)
         struct task_struct *tsk = current;
         struct thread_info *t = current_thread_info();
 
-        if (t->flags & _TIF_ABI_PENDING)
+        if (t->flags & _TIF_ABI_PENDING) {
                 t->flags ^= (_TIF_ABI_PENDING | _TIF_IA32);
+                if (t->flags & _TIF_IA32)
+                        current_thread_info()->status |= TS_COMPAT;
+        }
 
         tsk->thread.debugreg0 = 0;
         tsk->thread.debugreg1 = 0;