[PATCH 13/24] i386: convert hardware exception 13 to an interrupt gate

From: heukelum
Date: Tue Sep 09 2008 - 16:02:42 EST


From: Alexander van Heukelum <heukelum@xxxxxxxxxxx>

Handle general protection exception with interrupt initially off.

Signed-off-by: Alexander van Heukelum <heukelum@xxxxxxxxxxx>
---
arch/x86/kernel/traps_32.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c
index e535324..c3b636e 100644
--- a/arch/x86/kernel/traps_32.c
+++ b/arch/x86/kernel/traps_32.c
@@ -652,6 +652,8 @@ do_general_protection(struct pt_regs *regs, long error_code)
struct tss_struct *tss;
int cpu;

+ conditional_sti(regs);
+
cpu = get_cpu();
tss = &per_cpu(init_tss, cpu);
thread = &current->thread;
@@ -1271,7 +1273,7 @@ void __init trap_init(void)
set_intr_gate(10, &invalid_TSS);
set_intr_gate(11, &segment_not_present);
set_intr_gate(12, &stack_segment);
- set_trap_gate(13, &general_protection);
+ set_intr_gate(13, &general_protection);
set_intr_gate(14, &page_fault);
set_trap_gate(15, &spurious_interrupt_bug);
set_trap_gate(16, &coprocessor_error);
--
1.5.4.3

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