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-rw-r--r--drivers/s390/block/dasd.c8
-rw-r--r--drivers/s390/char/con3270.c4
-rw-r--r--drivers/s390/char/sclp.c12
-rw-r--r--drivers/s390/char/sclp_con.c2
-rw-r--r--drivers/s390/char/sclp_vt220.c4
-rw-r--r--drivers/s390/char/tape_core.c2
-rw-r--r--drivers/s390/char/tape_std.c2
-rw-r--r--drivers/s390/cio/device_fsm.c2
-rw-r--r--drivers/s390/cio/eadm_sch.c2
-rw-r--r--drivers/s390/crypto/ap_queue.c2
-rw-r--r--drivers/s390/crypto/vfio_ap_ops.c72
-rw-r--r--drivers/s390/net/fsm.c4
-rw-r--r--drivers/s390/net/qeth_core_main.c2
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c4
-rw-r--r--drivers/s390/scsi/zfcp_qdio.c2
-rw-r--r--drivers/s390/virtio/virtio_ccw.c16
16 files changed, 84 insertions, 56 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 31bfb49588c2..cf36d3bafeca 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1507,7 +1507,7 @@ static void dasd_device_timeout(struct timer_list *t)
void dasd_device_set_timer(struct dasd_device *device, int expires)
{
if (expires == 0)
- del_timer(&device->timer);
+ timer_delete(&device->timer);
else
mod_timer(&device->timer, jiffies + expires);
}
@@ -1518,7 +1518,7 @@ EXPORT_SYMBOL(dasd_device_set_timer);
*/
void dasd_device_clear_timer(struct dasd_device *device)
{
- del_timer(&device->timer);
+ timer_delete(&device->timer);
}
EXPORT_SYMBOL(dasd_device_clear_timer);
@@ -2692,7 +2692,7 @@ static void dasd_block_timeout(struct timer_list *t)
void dasd_block_set_timer(struct dasd_block *block, int expires)
{
if (expires == 0)
- del_timer(&block->timer);
+ timer_delete(&block->timer);
else
mod_timer(&block->timer, jiffies + expires);
}
@@ -2703,7 +2703,7 @@ EXPORT_SYMBOL(dasd_block_set_timer);
*/
void dasd_block_clear_timer(struct dasd_block *block)
{
- del_timer(&block->timer);
+ timer_delete(&block->timer);
}
EXPORT_SYMBOL(dasd_block_clear_timer);
diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c
index 1a3190848670..34f3820d7f74 100644
--- a/drivers/s390/char/con3270.c
+++ b/drivers/s390/char/con3270.c
@@ -793,7 +793,7 @@ static void tty3270_deactivate(struct raw3270_view *view)
{
struct tty3270 *tp = container_of(view, struct tty3270, view);
- del_timer(&tp->timer);
+ timer_delete(&tp->timer);
}
static void tty3270_irq(struct tty3270 *tp, struct raw3270_request *rq, struct irb *irb)
@@ -1060,7 +1060,7 @@ static void tty3270_free(struct raw3270_view *view)
{
struct tty3270 *tp = container_of(view, struct tty3270, view);
- del_timer_sync(&tp->timer);
+ timer_delete_sync(&tp->timer);
tty3270_free_screen(tp->screen, tp->allocated_lines);
free_page((unsigned long)tp->converted_line);
kfree(tp->input);
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index 45bd001206a2..840be75e75d4 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -261,7 +261,7 @@ __sclp_queue_read_req(void)
static inline void
__sclp_set_request_timer(unsigned long time, void (*cb)(struct timer_list *))
{
- del_timer(&sclp_request_timer);
+ timer_delete(&sclp_request_timer);
sclp_request_timer.function = cb;
sclp_request_timer.expires = jiffies + time;
add_timer(&sclp_request_timer);
@@ -407,7 +407,7 @@ __sclp_start_request(struct sclp_req *req)
if (sclp_running_state != sclp_running_state_idle)
return 0;
- del_timer(&sclp_request_timer);
+ timer_delete(&sclp_request_timer);
rc = sclp_service_call_trace(req->command, req->sccb);
req->start_count++;
@@ -442,7 +442,7 @@ sclp_process_queue(void)
spin_unlock_irqrestore(&sclp_lock, flags);
return;
}
- del_timer(&sclp_request_timer);
+ timer_delete(&sclp_request_timer);
while (!list_empty(&sclp_req_queue)) {
req = list_entry(sclp_req_queue.next, struct sclp_req, list);
rc = __sclp_start_request(req);
@@ -662,7 +662,7 @@ static void sclp_interrupt_handler(struct ext_code ext_code,
!ok_response(finished_sccb, active_cmd));
if (finished_sccb) {
- del_timer(&sclp_request_timer);
+ timer_delete(&sclp_request_timer);
sclp_running_state = sclp_running_state_reset_pending;
req = __sclp_find_req(finished_sccb);
if (req) {
@@ -739,7 +739,7 @@ sclp_sync_wait(void)
/* Loop until driver state indicates finished request */
while (sclp_running_state != sclp_running_state_idle) {
/* Check for expired request timer */
- if (get_tod_clock_fast() > timeout && del_timer(&sclp_request_timer))
+ if (get_tod_clock_fast() > timeout && timer_delete(&sclp_request_timer))
sclp_request_timer.function(&sclp_request_timer);
cpu_relax();
}
@@ -1165,7 +1165,7 @@ sclp_check_interface(void)
* with IRQs enabled. */
irq_subclass_unregister(IRQ_SUBCLASS_SERVICE_SIGNAL);
spin_lock_irqsave(&sclp_lock, flags);
- del_timer(&sclp_request_timer);
+ timer_delete(&sclp_request_timer);
rc = -EBUSY;
if (sclp_init_req.status == SCLP_REQ_DONE) {
if (sccb->header.response_code == 0x20) {
diff --git a/drivers/s390/char/sclp_con.c b/drivers/s390/char/sclp_con.c
index 6a030ba38bf3..d8544c485808 100644
--- a/drivers/s390/char/sclp_con.c
+++ b/drivers/s390/char/sclp_con.c
@@ -109,7 +109,7 @@ static void sclp_console_sync_queue(void)
unsigned long flags;
spin_lock_irqsave(&sclp_con_lock, flags);
- del_timer(&sclp_con_timer);
+ timer_delete(&sclp_con_timer);
while (sclp_con_queue_running) {
spin_unlock_irqrestore(&sclp_con_lock, flags);
sclp_sync_wait();
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 33b9c968dbcb..62979adcb381 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -231,7 +231,7 @@ sclp_vt220_emit_current(void)
list_add_tail(&sclp_vt220_current_request->list,
&sclp_vt220_outqueue);
sclp_vt220_current_request = NULL;
- del_timer(&sclp_vt220_timer);
+ timer_delete(&sclp_vt220_timer);
}
sclp_vt220_flush_later = 0;
}
@@ -798,7 +798,7 @@ sclp_vt220_notify(struct notifier_block *self,
sclp_vt220_emit_current();
spin_lock_irqsave(&sclp_vt220_lock, flags);
- del_timer(&sclp_vt220_timer);
+ timer_delete(&sclp_vt220_timer);
while (sclp_vt220_queue_running) {
spin_unlock_irqrestore(&sclp_vt220_lock, flags);
sclp_sync_wait();
diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c
index ce8a440598a8..48e8417a5cff 100644
--- a/drivers/s390/char/tape_core.c
+++ b/drivers/s390/char/tape_core.c
@@ -1108,7 +1108,7 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
struct tape_request, list);
if (req->status == TAPE_REQUEST_LONG_BUSY) {
DBF_EVENT(3, "(%08x): del timer\n", device->cdev_id);
- if (del_timer(&device->lb_timeout)) {
+ if (timer_delete(&device->lb_timeout)) {
tape_put_device(device);
__tape_start_next_request(device);
}
diff --git a/drivers/s390/char/tape_std.c b/drivers/s390/char/tape_std.c
index f7e75d9fedf6..b76038632883 100644
--- a/drivers/s390/char/tape_std.c
+++ b/drivers/s390/char/tape_std.c
@@ -73,7 +73,7 @@ tape_std_assign(struct tape_device *device)
rc = tape_do_io_interruptible(device, request);
- del_timer_sync(&request->timer);
+ timer_delete_sync(&request->timer);
if (rc != 0) {
DBF_EVENT(3, "%08x: assign failed - device might be busy\n",
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 42791fa0b80e..e1b1fbdabb1b 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -115,7 +115,7 @@ void
ccw_device_set_timeout(struct ccw_device *cdev, int expires)
{
if (expires == 0)
- del_timer(&cdev->private->timer);
+ timer_delete(&cdev->private->timer);
else
mod_timer(&cdev->private->timer, jiffies + expires);
}
diff --git a/drivers/s390/cio/eadm_sch.c b/drivers/s390/cio/eadm_sch.c
index 165de1552301..ac382355dc04 100644
--- a/drivers/s390/cio/eadm_sch.c
+++ b/drivers/s390/cio/eadm_sch.c
@@ -114,7 +114,7 @@ static void eadm_subchannel_set_timeout(struct subchannel *sch, int expires)
struct eadm_private *private = get_eadm_private(sch);
if (expires == 0)
- del_timer(&private->timer);
+ timer_delete(&private->timer);
else
mod_timer(&private->timer, jiffies + expires);
}
diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c
index 9a0e6e4d8a5e..4088fda07197 100644
--- a/drivers/s390/crypto/ap_queue.c
+++ b/drivers/s390/crypto/ap_queue.c
@@ -1289,7 +1289,7 @@ void ap_queue_prepare_remove(struct ap_queue *aq)
/* move queue device state to SHUTDOWN in progress */
aq->dev_state = AP_DEV_STATE_SHUTDOWN;
spin_unlock_bh(&aq->lock);
- del_timer_sync(&aq->timeout);
+ timer_delete_sync(&aq->timeout);
}
void ap_queue_remove(struct ap_queue *aq)
diff --git a/drivers/s390/crypto/vfio_ap_ops.c b/drivers/s390/crypto/vfio_ap_ops.c
index bc8669b5c304..766557547f83 100644
--- a/drivers/s390/crypto/vfio_ap_ops.c
+++ b/drivers/s390/crypto/vfio_ap_ops.c
@@ -873,48 +873,66 @@ static void vfio_ap_mdev_remove(struct mdev_device *mdev)
vfio_put_device(&matrix_mdev->vdev);
}
-#define MDEV_SHARING_ERR "Userspace may not re-assign queue %02lx.%04lx " \
- "already assigned to %s"
+#define MDEV_SHARING_ERR "Userspace may not assign queue %02lx.%04lx to mdev: already assigned to %s"
-static void vfio_ap_mdev_log_sharing_err(struct ap_matrix_mdev *matrix_mdev,
- unsigned long *apm,
- unsigned long *aqm)
+#define MDEV_IN_USE_ERR "Can not reserve queue %02lx.%04lx for host driver: in use by mdev"
+
+static void vfio_ap_mdev_log_sharing_err(struct ap_matrix_mdev *assignee,
+ struct ap_matrix_mdev *assigned_to,
+ unsigned long *apm, unsigned long *aqm)
{
unsigned long apid, apqi;
- const struct device *dev = mdev_dev(matrix_mdev->mdev);
- const char *mdev_name = dev_name(dev);
- for_each_set_bit_inv(apid, apm, AP_DEVICES)
+ for_each_set_bit_inv(apid, apm, AP_DEVICES) {
+ for_each_set_bit_inv(apqi, aqm, AP_DOMAINS) {
+ dev_warn(mdev_dev(assignee->mdev), MDEV_SHARING_ERR,
+ apid, apqi, dev_name(mdev_dev(assigned_to->mdev)));
+ }
+ }
+}
+
+static void vfio_ap_mdev_log_in_use_err(struct ap_matrix_mdev *assignee,
+ unsigned long *apm, unsigned long *aqm)
+{
+ unsigned long apid, apqi;
+
+ for_each_set_bit_inv(apid, apm, AP_DEVICES) {
for_each_set_bit_inv(apqi, aqm, AP_DOMAINS)
- dev_warn(dev, MDEV_SHARING_ERR, apid, apqi, mdev_name);
+ dev_warn(mdev_dev(assignee->mdev), MDEV_IN_USE_ERR, apid, apqi);
+ }
}
/**
* vfio_ap_mdev_verify_no_sharing - verify APQNs are not shared by matrix mdevs
*
+ * @assignee: the matrix mdev to which @mdev_apm and @mdev_aqm are being
+ * assigned; or, NULL if this function was called by the AP bus
+ * driver in_use callback to verify none of the APQNs being reserved
+ * for the host device driver are in use by a vfio_ap mediated device
* @mdev_apm: mask indicating the APIDs of the APQNs to be verified
* @mdev_aqm: mask indicating the APQIs of the APQNs to be verified
*
- * Verifies that each APQN derived from the Cartesian product of a bitmap of
- * AP adapter IDs and AP queue indexes is not configured for any matrix
- * mediated device. AP queue sharing is not allowed.
+ * Verifies that each APQN derived from the Cartesian product of APIDs
+ * represented by the bits set in @mdev_apm and the APQIs of the bits set in
+ * @mdev_aqm is not assigned to a mediated device other than the mdev to which
+ * the APQN is being assigned (@assignee). AP queue sharing is not allowed.
*
* Return: 0 if the APQNs are not shared; otherwise return -EADDRINUSE.
*/
-static int vfio_ap_mdev_verify_no_sharing(unsigned long *mdev_apm,
+static int vfio_ap_mdev_verify_no_sharing(struct ap_matrix_mdev *assignee,
+ unsigned long *mdev_apm,
unsigned long *mdev_aqm)
{
- struct ap_matrix_mdev *matrix_mdev;
+ struct ap_matrix_mdev *assigned_to;
DECLARE_BITMAP(apm, AP_DEVICES);
DECLARE_BITMAP(aqm, AP_DOMAINS);
- list_for_each_entry(matrix_mdev, &matrix_dev->mdev_list, node) {
+ list_for_each_entry(assigned_to, &matrix_dev->mdev_list, node) {
/*
- * If the input apm and aqm are fields of the matrix_mdev
- * object, then move on to the next matrix_mdev.
+ * If the mdev to which the mdev_apm and mdev_aqm is being
+ * assigned is the same as the mdev being verified
*/
- if (mdev_apm == matrix_mdev->matrix.apm &&
- mdev_aqm == matrix_mdev->matrix.aqm)
+ if (assignee == assigned_to)
continue;
memset(apm, 0, sizeof(apm));
@@ -924,15 +942,16 @@ static int vfio_ap_mdev_verify_no_sharing(unsigned long *mdev_apm,
* We work on full longs, as we can only exclude the leftover
* bits in non-inverse order. The leftover is all zeros.
*/
- if (!bitmap_and(apm, mdev_apm, matrix_mdev->matrix.apm,
- AP_DEVICES))
+ if (!bitmap_and(apm, mdev_apm, assigned_to->matrix.apm, AP_DEVICES))
continue;
- if (!bitmap_and(aqm, mdev_aqm, matrix_mdev->matrix.aqm,
- AP_DOMAINS))
+ if (!bitmap_and(aqm, mdev_aqm, assigned_to->matrix.aqm, AP_DOMAINS))
continue;
- vfio_ap_mdev_log_sharing_err(matrix_mdev, apm, aqm);
+ if (assignee)
+ vfio_ap_mdev_log_sharing_err(assignee, assigned_to, apm, aqm);
+ else
+ vfio_ap_mdev_log_in_use_err(assigned_to, apm, aqm);
return -EADDRINUSE;
}
@@ -961,7 +980,8 @@ static int vfio_ap_mdev_validate_masks(struct ap_matrix_mdev *matrix_mdev)
matrix_mdev->matrix.aqm))
return -EADDRNOTAVAIL;
- return vfio_ap_mdev_verify_no_sharing(matrix_mdev->matrix.apm,
+ return vfio_ap_mdev_verify_no_sharing(matrix_mdev,
+ matrix_mdev->matrix.apm,
matrix_mdev->matrix.aqm);
}
@@ -2516,7 +2536,7 @@ int vfio_ap_mdev_resource_in_use(unsigned long *apm, unsigned long *aqm)
mutex_lock(&matrix_dev->guests_lock);
mutex_lock(&matrix_dev->mdevs_lock);
- ret = vfio_ap_mdev_verify_no_sharing(apm, aqm);
+ ret = vfio_ap_mdev_verify_no_sharing(NULL, apm, aqm);
mutex_unlock(&matrix_dev->mdevs_lock);
mutex_unlock(&matrix_dev->guests_lock);
diff --git a/drivers/s390/net/fsm.c b/drivers/s390/net/fsm.c
index 8672d225ba77..5fcdce116862 100644
--- a/drivers/s390/net/fsm.c
+++ b/drivers/s390/net/fsm.c
@@ -158,7 +158,7 @@ fsm_deltimer(fsm_timer *this)
printk(KERN_DEBUG "fsm(%s): Delete timer %p\n", this->fi->name,
this);
#endif
- del_timer(&this->tl);
+ timer_delete(&this->tl);
}
int
@@ -188,7 +188,7 @@ fsm_modtimer(fsm_timer *this, int millisec, int event, void *arg)
this->fi->name, this, millisec);
#endif
- del_timer(&this->tl);
+ timer_delete(&this->tl);
timer_setup(&this->tl, fsm_expire_timer, 0);
this->expire_event = event;
this->event_arg = arg;
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 20328d695ef9..f5cfaebfb7c9 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -7088,7 +7088,7 @@ int qeth_stop(struct net_device *dev)
netif_tx_disable(dev);
qeth_for_each_output_queue(card, queue, i) {
- del_timer_sync(&queue->timer);
+ timer_delete_sync(&queue->timer);
/* Queues may get re-allocated, so remove the NAPIs. */
netif_napi_del(&queue->napi);
}
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 99d6b3f8692b..d5f5f563881e 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -458,7 +458,7 @@ static void zfcp_fsf_req_complete(struct zfcp_fsf_req *req)
return;
}
- del_timer_sync(&req->timer);
+ timer_delete_sync(&req->timer);
zfcp_fsf_protstatus_eval(req);
zfcp_fsf_fsfstatus_eval(req);
req->handler(req);
@@ -891,7 +891,7 @@ static int zfcp_fsf_req_send(struct zfcp_fsf_req *req)
req->qdio_req.qdio_outb_usage = atomic_read(&qdio->req_q_free);
req->issued = get_tod_clock();
if (zfcp_qdio_send(qdio, &req->qdio_req)) {
- del_timer_sync(&req->timer);
+ timer_delete_sync(&req->timer);
/* lookup request again, list might have changed */
if (zfcp_reqlist_find_rm(adapter->req_list, req_id) == NULL)
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index 8cbc5e1711af..0957e3f8b46e 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -408,7 +408,7 @@ void zfcp_qdio_close(struct zfcp_qdio *qdio)
tasklet_disable(&qdio->irq_tasklet);
tasklet_disable(&qdio->request_tasklet);
- del_timer_sync(&qdio->request_timer);
+ timer_delete_sync(&qdio->request_timer);
qdio_stop_irq(adapter->ccw_device);
qdio_shutdown(adapter->ccw_device, QDIO_FLAG_CLEANUP_USING_CLEAR);
diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index 21fa7ac849e5..4904b831c0a7 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -302,11 +302,17 @@ static struct airq_info *new_airq_info(int index)
static unsigned long *get_airq_indicator(struct virtqueue *vqs[], int nvqs,
u64 *first, void **airq_info)
{
- int i, j;
+ int i, j, queue_idx, highest_queue_idx = -1;
struct airq_info *info;
unsigned long *indicator_addr = NULL;
unsigned long bit, flags;
+ /* Array entries without an actual queue pointer must be ignored. */
+ for (i = 0; i < nvqs; i++) {
+ if (vqs[i])
+ highest_queue_idx++;
+ }
+
for (i = 0; i < MAX_AIRQ_AREAS && !indicator_addr; i++) {
mutex_lock(&airq_areas_lock);
if (!airq_areas[i])
@@ -316,7 +322,7 @@ static unsigned long *get_airq_indicator(struct virtqueue *vqs[], int nvqs,
if (!info)
return NULL;
write_lock_irqsave(&info->lock, flags);
- bit = airq_iv_alloc(info->aiv, nvqs);
+ bit = airq_iv_alloc(info->aiv, highest_queue_idx + 1);
if (bit == -1UL) {
/* Not enough vacancies. */
write_unlock_irqrestore(&info->lock, flags);
@@ -325,8 +331,10 @@ static unsigned long *get_airq_indicator(struct virtqueue *vqs[], int nvqs,
*first = bit;
*airq_info = info;
indicator_addr = info->aiv->vector;
- for (j = 0; j < nvqs; j++) {
- airq_iv_set_ptr(info->aiv, bit + j,
+ for (j = 0, queue_idx = 0; j < nvqs; j++) {
+ if (!vqs[j])
+ continue;
+ airq_iv_set_ptr(info->aiv, bit + queue_idx++,
(unsigned long)vqs[j]);
}
write_unlock_irqrestore(&info->lock, flags);