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-rw-r--r--drivers/xen/xen-pciback/pciback.h1
-rw-r--r--drivers/xen/xen-pciback/pciback_ops.c2
-rw-r--r--drivers/xen/xen-pciback/xenbus.c10
3 files changed, 2 insertions, 11 deletions
diff --git a/drivers/xen/xen-pciback/pciback.h b/drivers/xen/xen-pciback/pciback.h
index 4d529f3e40df..7af369b6aaa2 100644
--- a/drivers/xen/xen-pciback/pciback.h
+++ b/drivers/xen/xen-pciback/pciback.h
@@ -55,7 +55,6 @@ struct xen_pcibk_dev_data {
/* Used by XenBus and xen_pcibk_ops.c */
extern wait_queue_head_t xen_pcibk_aer_wait_queue;
-extern struct workqueue_struct *xen_pcibk_wq;
/* Used by pcistub.c and conf_space_quirks.c */
extern struct list_head xen_pcibk_quirks;
diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c
index 2f19dd7553e6..f8c77751f330 100644
--- a/drivers/xen/xen-pciback/pciback_ops.c
+++ b/drivers/xen/xen-pciback/pciback_ops.c
@@ -310,7 +310,7 @@ void xen_pcibk_test_and_schedule_op(struct xen_pcibk_device *pdev)
* already processing a request */
if (test_bit(_XEN_PCIF_active, (unsigned long *)&pdev->sh_info->flags)
&& !test_and_set_bit(_PDEVF_op_active, &pdev->flags)) {
- queue_work(xen_pcibk_wq, &pdev->op_work);
+ schedule_work(&pdev->op_work);
}
/*_XEN_PCIB_active should have been cleared by pcifront. And also make
sure xen_pcibk is waiting for ack by checking _PCIB_op_pending*/
diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c
index c252eb3f0176..5ce878c51d03 100644
--- a/drivers/xen/xen-pciback/xenbus.c
+++ b/drivers/xen/xen-pciback/xenbus.c
@@ -17,7 +17,6 @@
#include "pciback.h"
#define INVALID_EVTCHN_IRQ (-1)
-struct workqueue_struct *xen_pcibk_wq;
static bool __read_mostly passthrough;
module_param(passthrough, bool, S_IRUGO);
@@ -76,8 +75,7 @@ static void xen_pcibk_disconnect(struct xen_pcibk_device *pdev)
/* If the driver domain started an op, make sure we complete it
* before releasing the shared memory */
- /* Note, the workqueue does not use spinlocks at all.*/
- flush_workqueue(xen_pcibk_wq);
+ flush_work(&pdev->op_work);
if (pdev->sh_info != NULL) {
xenbus_unmap_ring_vfree(pdev->xdev, pdev->sh_info);
@@ -733,11 +731,6 @@ const struct xen_pcibk_backend *__read_mostly xen_pcibk_backend;
int __init xen_pcibk_xenbus_register(void)
{
- xen_pcibk_wq = create_workqueue("xen_pciback_workqueue");
- if (!xen_pcibk_wq) {
- pr_err("%s: create xen_pciback_workqueue failed\n", __func__);
- return -EFAULT;
- }
xen_pcibk_backend = &xen_pcibk_vpci_backend;
if (passthrough)
xen_pcibk_backend = &xen_pcibk_passthrough_backend;
@@ -747,6 +740,5 @@ int __init xen_pcibk_xenbus_register(void)
void __exit xen_pcibk_xenbus_unregister(void)
{
- destroy_workqueue(xen_pcibk_wq);
xenbus_unregister_driver(&xen_pcibk_driver);
}