Commit d7d42f11 authored Aug 21, 2023 by Shih-Yi Chen Committed by Greg Kroah-Hartman Sep 23, 2023

platform/mellanox: Fix mlxbf-tmfifo not handling all virtio CONSOLE notifications



[ Upstream commit 0848cab765c634597636810bf76d0934003cce28 ]

rshim console does not show all entries of dmesg.

Fixed by setting MLXBF_TM_TX_LWM_IRQ for every CONSOLE notification.

Signed-off-by: Shih-Yi Chen <shihyic@nvidia.com>
Reviewed-by: Liming Sung <limings@nvidia.com>
Reviewed-by: David Thompson <davthompson@nvidia.com>
Link: https://lore.kernel.org/r/20230821150627.26075-1-shihyic@nvidia.com


Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 6614af25

drivers/platform/mellanox/mlxbf-tmfifo.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -865,6 +865,7 @@ static bool mlxbf_tmfifo_virtio_notify(struct virtqueue *vq)
		tm_vdev = fifo->vdev[VIRTIO_ID_CONSOLE];
		mlxbf_tmfifo_console_output(tm_vdev, vring);
		spin_unlock_irqrestore(&fifo->spin_lock[0], flags);
		set_bit(MLXBF_TM_TX_LWM_IRQ, &fifo->pend_events);
		} else if (test_and_set_bit(MLXBF_TM_TX_LWM_IRQ,
		&fifo->pend_events)) {
		return true;