xen: xen-pciback: Remove create_workqueue

[mirror_ubuntu-zesty-kernel.git] / drivers / xen / xen-pciback / xenbus.c

diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c
index c252eb3f01767a4cb3ed906b884306cd3d83b20a..5ce878c51d034d71952b1da2697c2bb469655461 100644 (file)
--- 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);
 }