From f7f4cae9bacf5ea2ec71ac4ef26c55457cd6c5eb Mon Sep 17 00:00:00 2001
From: Cameron Gutman <aicommander@gmail.com>
Date: Sun, 24 Oct 2010 10:28:15 +0000
Subject: [PATCH] [HAL] - HalpEnableInterruptHandler: Set the IDT_LATCHED flag
 if the caller requested a latched interrupt

svn path=/trunk/; revision=49255
---
 reactos/hal/halx86/generic/usage.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/reactos/hal/halx86/generic/usage.c b/reactos/hal/halx86/generic/usage.c
index c35df96c3e5..cfdd6c62a86 100644
--- a/reactos/hal/halx86/generic/usage.c
+++ b/reactos/hal/halx86/generic/usage.c
@@ -509,6 +509,9 @@ HalpEnableInterruptHandler(IN UCHAR Flags,
                            IN PVOID Handler,
                            IN KINTERRUPT_MODE Mode)
 {
+    /* Set the IDT_LATCHED flag for latched interrupts */
+    if (Mode == Latched) Flags |= IDT_LATCHED;
+    
     /* Register the vector */
     HalpRegisterVector(Flags, BusVector, SystemVector, Irql);