[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>
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@ -1078,9 +1078,9 @@ void __init trap_init(void)
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set_trap_gate(0,÷_error);
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set_intr_gate(1,&debug);
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set_intr_gate(2,&nmi);
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set_system_intr_gate(3, &int3); /* int3-5 can be called from all */
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set_system_intr_gate(3, &int3); /* int3/4 can be called from all */
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set_system_gate(4,&overflow);
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set_system_gate(5,&bounds);
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set_trap_gate(5,&bounds);
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set_trap_gate(6,&invalid_op);
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set_trap_gate(7,&device_not_available);
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set_task_gate(8,GDT_ENTRY_DOUBLEFAULT_TSS);
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