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Commit 5feedfd4 authored by Alexander van Heukelum's avatar Alexander van Heukelum Committed by Ingo Molnar
Browse files

i386: convert hardware exception 17 to an interrupt gate 



Handle alignment check 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 252d28fe

arch/x86/kernel/traps_32.c

+2 −2
Original line number Diff line number Diff line
@@ -641,7 +641,7 @@ DO_ERROR(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) 
DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS)

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

DO_ERROR(12, SIGBUS, "stack segment", stack_segment)

DO_TRAP_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0, 0)

DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0, 0)

DO_TRAP_INFO(32, SIGILL, "iret exception", iret_error, ILL_BADSTK, 0, 1)



void __kprobes
@@ -1281,7 +1281,7 @@ void __init trap_init(void) 
	set_intr_gate(14, &page_fault);

	set_intr_gate(15, &spurious_interrupt_bug);

	set_intr_gate(16, &coprocessor_error);

	set_trap_gate(17, &alignment_check);

	set_intr_gate(17, &alignment_check);

#ifdef CONFIG_X86_MCE

	set_trap_gate(18, &machine_check);

#endif