From: Alexander van Heukelum <heukelum@fastmail.fm>
Handle overflow 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 944641a..5d762a8 100644
--- a/arch/x86/kernel/traps_32.c
+++ b/arch/x86/kernel/traps_32.c
@@ -633,7 +633,7 @@ 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_TRAP(4, SIGSEGV, "overflow", overflow)
+DO_VM86_ERROR(4, SIGSEGV, "overflow", overflow)
DO_VM86_TRAP(5, SIGSEGV, "bounds", bounds)
DO_TRAP_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0)
DO_TRAP(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun)
@@ -1250,7 +1250,7 @@ void __init trap_init(void)
set_intr_gate(1, &debug);
set_intr_gate(2, &nmi);
set_system_intr_gate(3, &int3); /* int3 can be called from all */
- set_system_gate(4, &overflow); /* int4 can be called from all */
+ set_system_intr_gate(4, &overflow); /* int4 can be called from all */
set_trap_gate(5, &bounds);
set_trap_gate(6, &invalid_op);
set_trap_gate(7, &device_not_available);
--
1.5.4.3
--
