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Commit 64f644c0 authored by Alexander van Heukelum's avatar Alexander van Heukelum Committed by Ingo Molnar
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i386: convert hardware exception 5 to an interrupt gate 



Handle bounds exception with interrupt initially off.

Signed-off-by: default avatarAlexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 8d6f9d69

arch/x86/kernel/traps_32.c

+2 −2
Original line number Diff line number Diff line
@@ -634,7 +634,7 @@ void do_##name(struct pt_regs *regs, long error_code) \ 


DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip)

DO_VM86_ERROR(4, SIGSEGV, "overflow", overflow)

DO_VM86_TRAP(5, SIGSEGV, "bounds", bounds)

DO_VM86_ERROR(5, SIGSEGV, "bounds", bounds)

DO_TRAP_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0)

DO_TRAP(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun)

DO_TRAP(10, SIGSEGV, "invalid TSS", invalid_TSS)
@@ -1253,7 +1253,7 @@ void __init trap_init(void) 
	set_intr_gate(2, &nmi);

	set_system_intr_gate(3, &int3); /* int3 can be called from all */

	set_system_intr_gate(4, &overflow); /* int4 can be called from all */

	set_trap_gate(5, &bounds);

	set_intr_gate(5, &bounds);

	set_trap_gate(6, &invalid_op);

	set_trap_gate(7, &device_not_available);

	set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS);