[PATCH] xen: x86_64: use more usermode macro
Make use of the user_mode macro where it's possible. This is useful for Xen
because it will need only to redefine only the macro to a hypervisor call.
Signed-off-by: Vincent Hanquez <vincent.hanquez@cl.cam.ac.uk>
Cc: Ian Pratt <m+Ian.Pratt@cl.cam.ac.uk>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c
index 0446e8b..98b7ba9 100644
--- a/arch/x86_64/kernel/signal.c
+++ b/arch/x86_64/kernel/signal.c
@@ -422,7 +422,7 @@
* kernel mode. Just return without doing anything
* if so.
*/
- if ((regs->cs & 3) != 3)
+ if (!user_mode(regs))
return 1;
if (try_to_freeze(0))