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[PATCH] i386: fix bound check IDT gate

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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>
This commit is contained in:
Jan Beulich 2006-01-06 00:11:49 -08:00 committed by Linus Torvalds
parent d43c6e8083
commit eb05c3249a
1 changed files with 2 additions and 2 deletions
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4
arch/i386/kernel/traps.c
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@ -1078,9 +1078,9 @@ void __init trap_init(void)
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);