[PATCH] x86_64: Remove check for canonical RIP

As pointed out by Linus it is useless now because entry.S should
handle it correctly in all cases.

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

diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c
index d44b2c1e63a6a5649aa57e561fafd6ef78192cf4..da8e7903d8174a59ff1caf84202fa943e5372c7e 100644 (file)
--- a/arch/x86_64/kernel/ptrace.c
+++ b/arch/x86_64/kernel/ptrace.c
@@ -274,11 +274,6 @@ static int putreg(struct task_struct *child,
                                return -EIO;
                        value &= 0xffff;
                        break;
-               case offsetof(struct user_regs_struct, rip):
-                       /* Check if the new RIP address is canonical */
-                       if (value >= TASK_SIZE_OF(child))
-                               return -EIO;
-                       break;
        }
        put_stack_long(child, regno - sizeof(struct pt_regs), value);
        return 0;