On Sun, Aug 16, 2026 at 03:13:19PM +0530, Mirza Ishan Beg wrote: > 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]>
why do we care? > --- > 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
