[PATCH] x86_64: fix bound check IDT gate

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

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jan Beulich 2006-01-11 22:42:08 +01:00 committed by Linus Torvalds
parent 6e0c47ede7
commit 0a52158821

View File

@ -881,8 +881,8 @@ void __init trap_init(void)
set_intr_gate_ist(1,&debug,DEBUG_STACK);
set_intr_gate_ist(2,&nmi,NMI_STACK);
set_system_gate(3,&int3);
set_system_gate(4,&overflow); /* int4-5 can be called from all */
set_system_gate(5,&bounds);
set_system_gate(4,&overflow); /* int4 can be called from all */
set_intr_gate(5,&bounds);
set_intr_gate(6,&invalid_op);
set_intr_gate(7,&device_not_available);
set_intr_gate_ist(8,&double_fault, DOUBLEFAULT_STACK);