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i386: convert hardware exception 17 to an interrupt gate 

Handle alignment check exception with interrupt initially off.

Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Alexander van Heukelum 2008-09-09 21:56:10 +02:00 committed by Ingo Molnar
parent 252d28fe65
commit 5feedfd401
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kernel/traps_32.c
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@ -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