commit eb05c3249a8e8a675e79d221f4a0874dc10ec903
author Jan Beulich <jbeulich@novell.com> Fri Jan 06 00:11:49 2006 -0800
committer Linus Torvalds <torvalds@g5.osdl.org> Fri Jan 06 08:33:34 2006 -0800
tree 20d18a6873f8bac31532d1246337ca347e387ad4
parent d43c6e8083ac8baeb1a167510aea34fcef396e33

[PATCH] i386: fix bound check IDT gate

Other than apparently commonly assumed, the bound instruction does not
require the corresponding IDT entry to have DPL 3.

Acked-by: "Seth, Rohit" <rohit.seth@intel.com>
Acked-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/i386/kernel/traps.c

diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index f0c4060..53ad954 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -1078,9 +1078,9 @@
 	set_trap_gate(0,&divide_error);
 	set_intr_gate(1,&debug);
 	set_intr_gate(2,&nmi);
-	set_system_intr_gate(3, &int3); /* int3-5 can be called from all */
+	set_system_intr_gate(3, &int3); /* int3/4 can be called from all */
 	set_system_gate(4,&overflow);
-	set_system_gate(5,&bounds);
+	set_trap_gate(5,&bounds);
 	set_trap_gate(6,&invalid_op);
 	set_trap_gate(7,&device_not_available);
 	set_task_gate(8,GDT_ENTRY_DOUBLEFAULT_TSS);