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Subject[PATCH 7/24] i386: convert hardware exception 6 to an interrupt gate
Date
From: Alexander van Heukelum <heukelum@fastmail.fm>

Handle invalid opcode exception with interrupt initially off.

Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
---
arch/x86/kernel/traps_32.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c
index becfc84..5d8d057 100644
--- a/arch/x86/kernel/traps_32.c
+++ b/arch/x86/kernel/traps_32.c
@@ -635,7 +635,7 @@ 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_ERROR(5, SIGSEGV, "bounds", bounds)
-DO_TRAP_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0)
+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_TRAP(10, SIGSEGV, "invalid TSS", invalid_TSS)
DO_TRAP(11, SIGBUS, "segment not present", segment_not_present)
@@ -1252,7 +1252,7 @@ void __init trap_init(void)
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_intr_gate(5, &bounds);
- set_trap_gate(6, &invalid_op);
+ set_intr_gate(6, &invalid_op);
set_trap_gate(7, &device_not_available);
set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS);
set_trap_gate(9, &coprocessor_segment_overrun);
--
1.5.4.3


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