[PATCH 3/24] i386: convert hardware exception 0 to an interrupt gate

From: heukelum
Date: Wed Sep 10 2008 - 00:12:26 EST


From: Alexander van Heukelum <heukelum@xxxxxxxxxxx>

Handle divide error exception with interrupt initially off.

Signed-off-by: Alexander van Heukelum <heukelum@xxxxxxxxxxx>
---
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 9ac59e0..97d193c 100644
--- a/arch/x86/kernel/traps_32.c
+++ b/arch/x86/kernel/traps_32.c
@@ -632,7 +632,7 @@ void do_##name(struct pt_regs *regs, long error_code) \
do_trap(trapnr, signr, str, 1, regs, error_code, &info); \
}

-DO_VM86_TRAP_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip)
+DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip)
#ifndef CONFIG_KPROBES
DO_VM86_TRAP(3, SIGTRAP, "int3", int3)
#endif
@@ -1245,7 +1245,7 @@ void __init trap_init(void)
early_iounmap(p, 4);
#endif

- set_trap_gate(0, &divide_error);
+ set_intr_gate(0, &divide_error);
set_intr_gate(1, &debug);
set_intr_gate(2, &nmi);
set_system_intr_gate(3, &int3); /* int3 can be called from all */
--
1.5.4.3

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