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Commit 97a4d003 authored by Andi Kleen's avatar Andi Kleen Committed by Linus Torvalds
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[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: default avatarAndi Kleen <ak@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 0fcd2709

arch/x86_64/kernel/ptrace.c

+0 −5
Original line number Diff line number Diff line
@@ -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;