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Subject[PATCH 9/24] i386: convert hardware exception 9 to an interrupt gate
From: Alexander van Heukelum <>

Handle coprocessor segment overrun exception with interrupt initially off.

Signed-off-by: Alexander van Heukelum <>
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 3ddd71b..477946a 100644
--- a/arch/x86/kernel/traps_32.c
+++ b/arch/x86/kernel/traps_32.c
@@ -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)
@@ -1267,7 +1267,7 @@ 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);

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