From f120b01748e8ec62c93f74e346750b7d53968fc5 Mon Sep 17 00:00:00 2001
From: beveloper <beveloper@nowhere.fake>
Date: Wed, 17 Sep 2003 20:44:10 +0000
Subject: [PATCH] added locking

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4743 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 headers/private/kernel/pci_priv.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/headers/private/kernel/pci_priv.h b/headers/private/kernel/pci_priv.h
index d4602d0284..dae731911c 100644
--- a/headers/private/kernel/pci_priv.h
+++ b/headers/private/kernel/pci_priv.h
@@ -20,3 +20,15 @@ void		pci_write_irq(uint8 bus, uint8 device, uint8 function, uint8 line, uint8 i
 
 extern int	gMaxBusDevices;
 extern bool gIrqRouterAvailable;
+
+#define PCI_LOCK_CONFIG(status) \
+{ \
+	status = disable_interrupts(); \
+	acquire_spinlock(&gConfigLock); \
+}
+
+#define PCI_UNLOCK_CONFIG(cpu_status) \
+{ \
+	release_spinlock(&gConfigLock); \
+	restore_interrupts(cpu_status); \
+}