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...rtio_chan *chan = vdev->priv; - - if (chan->inuse) - p9_virtio_close(chan->client); - vdev->config->del_vqs(vdev); + unsigned long warning_time; + bool inuse; mutex_lock(&virtio_9p_lock); + + /* Remove self from list so we don't get new users. */ list_del(&chan->chan_list); + warning_time = jiffies; + + /* Wait for existing users to close. */ + while (chan->inuse) { + mutex_unlock(&virtio_9p_lock); + msleep(250); + if (time_after(jiffies, warning_time + 10 * HZ)) { + dev_emerg(&vdev->dev, "p9_virtio_remove: " + "wa...

...rtio_chan *chan = vdev->priv; - - if (chan->inuse) - p9_virtio_close(chan->client); - vdev->config->del_vqs(vdev); + unsigned long warning_time; + bool inuse; mutex_lock(&virtio_9p_lock); + + /* Remove self from list so we don't get new users. */ list_del(&chan->chan_list); + warning_time = jiffies; + + /* Wait for existing users to close. */ + while (chan->inuse) { + mutex_unlock(&virtio_9p_lock); + msleep(250); + if (time_after(jiffies, warning_time + 10 * HZ)) { + dev_emerg(&vdev->dev, "p9_virtio_remove: " + "wa...

...->inuse) > - p9_virtio_close(chan->client); > - vdev->config->del_vqs(vdev); > + unsigned long warning_time; > + bool inuse; > > mutex_lock(&virtio_9p_lock); > + > + /* Remove self from list so we don't get new users. */ > list_del(&chan->chan_list); > + warning_time = jiffies; > + > + /* Wait for existing users to close. */ > + while (chan->inuse) { > + mutex_unlock(&virtio_9p_lock); > + msleep(250); > + if (time_after(jiffies, warning_time + 10 * HZ)) { > + dev_emerg(&vdev->dev, "...

...->inuse) > - p9_virtio_close(chan->client); > - vdev->config->del_vqs(vdev); > + unsigned long warning_time; > + bool inuse; > > mutex_lock(&virtio_9p_lock); > + > + /* Remove self from list so we don't get new users. */ > list_del(&chan->chan_list); > + warning_time = jiffies; > + > + /* Wait for existing users to close. */ > + while (chan->inuse) { > + mutex_unlock(&virtio_9p_lock); > + msleep(250); > + if (time_after(jiffies, warning_time + 10 * HZ)) { > + dev_emerg(&vdev->dev, "...

...->client); > > - vdev->config->del_vqs(vdev); > > + unsigned long warning_time; > > + bool inuse; > > > > mutex_lock(&virtio_9p_lock); > > + > > + /* Remove self from list so we don't get new users. */ > > list_del(&chan->chan_list); > > + warning_time = jiffies; > > + > > + /* Wait for existing users to close. */ > > + while (chan->inuse) { > > + mutex_unlock(&virtio_9p_lock); > > + msleep(250); > > + if (time_after(jiffies, warning_time + 10 * HZ)) { > >...

...->client); > > - vdev->config->del_vqs(vdev); > > + unsigned long warning_time; > > + bool inuse; > > > > mutex_lock(&virtio_9p_lock); > > + > > + /* Remove self from list so we don't get new users. */ > > list_del(&chan->chan_list); > > + warning_time = jiffies; > > + > > + /* Wait for existing users to close. */ > > + while (chan->inuse) { > > + mutex_unlock(&virtio_9p_lock); > > + msleep(250); > > + if (time_after(jiffies, warning_time + 10 * HZ)) { > >...

This is a rebase/resend of earlier patches. I skipped the pure cosmetic patches for now. Mostly this is consolidation earlier changes, removing dead code etc. The important part is the change for allowing a vmbus channel to get callback directly in interrupt mode; this is necessary for NAPI support. Stephen Hemminger (14): vmbus: use kernel bitops for traversing interrupt mask vmbus: drop

This is a rebase/resend of earlier patches. I skipped the pure cosmetic patches for now. Mostly this is consolidation earlier changes, removing dead code etc. The important part is the change for allowing a vmbus channel to get callback directly in interrupt mode; this is necessary for NAPI support. Stephen Hemminger (14): vmbus: use kernel bitops for traversing interrupt mask vmbus: drop

Rusty, I have a mind to include this patchset for this merge window. Any input on this? This fixes the following virtio spec compliance issues: 1. on restore, drivers use device before setting ACKNOWLEDGE and DRIVER bits 2. on probe, drivers aren't prepared to handle config interrupts arriving before probe returns 3. on probe, drivers use device before DRIVER_OK it set Note that 1 is a

Rusty, I have a mind to include this patchset for this merge window. Any input on this? This fixes the following virtio spec compliance issues: 1. on restore, drivers use device before setting ACKNOWLEDGE and DRIVER bits 2. on probe, drivers aren't prepared to handle config interrupts arriving before probe returns 3. on probe, drivers use device before DRIVER_OK it set Note that 1 is a

Rusty, please review this, and consider for this merge window. This fixes the following virtio spec compliance issues: 1. on restore, drivers use device before setting ACKNOWLEDGE and DRIVER bits 2. on probe, drivers aren't prepared to handle config interrupts arriving before probe returns 3. on probe, drivers use device before DRIVER_OK it set Note that 1 is a clear violation of virtio

Rusty, please review this, and consider for this merge window. This fixes the following virtio spec compliance issues: 1. on restore, drivers use device before setting ACKNOWLEDGE and DRIVER bits 2. on probe, drivers aren't prepared to handle config interrupts arriving before probe returns 3. on probe, drivers use device before DRIVER_OK it set Note that 1 is a clear violation of virtio

Changes from v4: rename virtio_enable_vqs_early() to virtio_device_ready() Note: Rusty requested we add a BUG_ON in the virtio_ring code. This can be done by a separate patch on top. Good for bisectability in case BUG_ON starts triggering :) Rusty, please review this, and consider for this merge window. This fixes the following virtio spec compliance issues: 1. on restore, drivers use device

Changes from v4: rename virtio_enable_vqs_early() to virtio_device_ready() Note: Rusty requested we add a BUG_ON in the virtio_ring code. This can be done by a separate patch on top. Good for bisectability in case BUG_ON starts triggering :) Rusty, please review this, and consider for this merge window. This fixes the following virtio spec compliance issues: 1. on restore, drivers use device