[PATCH] virtio_pci_modern: replace msleep(1) with usleep_range(1000, 2000)
Mirza Ishan Beg <[email protected]>
| Newsgroups | dev.linux.lists.virtualization,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Replace msleep(1) with usleep_range(1000, 2000) in the queue reset loops. msleep(1) relies on jiffies and can sleep up to 4-10 ms depending on HZ, whereas usleep_range provides predictable microsecond-level delay. Signed-off-by: Mirza Ishan Beg <[email protected]> --- drivers/virtio/virtio_pci_modern_dev.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/virtio/virtio_pci_modern_dev.c b/drivers/virtio/virtio_pci_modern_dev.c index 413a8c353463..8e74a813ca97 100644 --- a/drivers/virtio/virtio_pci_modern_dev.c +++ b/drivers/virtio/virtio_pci_modern_dev.c @@ -535,10 +535,10 @@ void vp_modern_set_queue_reset(struct virtio_pci_modern_device *mdev, u16 index) vp_iowrite16(1, &cfg->queue_reset); while (vp_ioread16(&cfg->queue_reset)) - msleep(1); + usleep_range(1000, 2000); while (vp_ioread16(&cfg->cfg.queue_enable)) - msleep(1); + usleep_range(1000, 2000); } EXPORT_SYMBOL_GPL(vp_modern_set_queue_reset); -- 2.47.3