---

yaml
---
r: 264855
b: refs/heads/master
c: 4e0b72f
h: refs/heads/master
i:
  264853: 9e4e5eb
  264851: a097538
  264847: c10889c
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a406f75840e15afbabd98cb64ae36b51424a8033
+refs/heads/master: 4e0b72fd7444e07e2870d193ce8fb6b0b00f5a89

trunk/drivers/uio/uio_pci_generic.c

@@ -24,7 +24,6 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/uio_driver.h>
-#include <linux/spinlock.h>
 
 #define DRIVER_VERSION	"0.01.0"
 #define DRIVER_AUTHOR	"Michael S. Tsirkin <mst@redhat.com>"
@@ -33,7 +32,6 @@
 struct uio_pci_generic_dev {
 	struct uio_info info;
 	struct pci_dev *pdev;
-	spinlock_t lock; /* guards command register accesses */
 };
 
 static inline struct uio_pci_generic_dev *
@@ -57,7 +55,6 @@ static irqreturn_t irqhandler(int irq, struct uio_info *info)
 	BUILD_BUG_ON(PCI_COMMAND % 4);
 	BUILD_BUG_ON(PCI_COMMAND + 2 != PCI_STATUS);
 
-	spin_lock_irq(&gdev->lock);
 	pci_block_user_cfg_access(pdev);
 
 	/* Read both command and status registers in a single 32-bit operation.
@@ -83,7 +80,6 @@ static irqreturn_t irqhandler(int irq, struct uio_info *info)
 done:
 
 	pci_unblock_user_cfg_access(pdev);
-	spin_unlock_irq(&gdev->lock);
 	return ret;
 }
 
@@ -158,7 +154,6 @@ static int __devinit probe(struct pci_dev *pdev,
 	gdev->info.irq_flags = IRQF_SHARED;
 	gdev->info.handler = irqhandler;
 	gdev->pdev = pdev;
-	spin_lock_init(&gdev->lock);
 
 	if (uio_register_device(&pdev->dev, &gdev->info))
 		goto err_register;