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Commit 51bc1ed6 authored by Alexander van Heukelum's avatar Alexander van Heukelum Committed by Ingo Molnar
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i386: convert hardware exception 9 to an interrupt gate 



Handle coprocessor segment overrun 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 7643e9b9

arch/x86/kernel/traps_32.c

+2 −2
Original line number Diff line number Diff line
@@ -637,7 +637,7 @@ DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip 
DO_VM86_ERROR(4, SIGSEGV, "overflow", overflow)

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

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

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

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

DO_TRAP(10, SIGSEGV, "invalid TSS", invalid_TSS)

DO_TRAP(11, SIGBUS, "segment not present", segment_not_present)

DO_TRAP(12, SIGBUS, "stack segment", stack_segment)
@@ -1269,7 +1269,7 @@ void __init trap_init(void) 
	set_intr_gate(6, &invalid_op);

	set_intr_gate(7, &device_not_available);

	set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS);

	set_trap_gate(9, &coprocessor_segment_overrun);

	set_intr_gate(9, &coprocessor_segment_overrun);

	set_trap_gate(10, &invalid_TSS);

	set_trap_gate(11, &segment_not_present);

	set_trap_gate(12, &stack_segment);