1

Revert "igb: Disable threaded IRQ for igb_msix_other"

This reverts commit 338c4d3902.

Sebastian noticed the ISR indirectly acquires spin_locks, which are
sleeping locks under PREEMPT_RT, which leads to kernel splats.

Fixes: 338c4d3902 ("igb: Disable threaded IRQ for igb_msix_other")
Reported-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Wander Lairson Costa <wander@redhat.com>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Link: https://patch.msgid.link/20241106111427.7272-1-wander@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Wander Lairson Costa 2024-11-06 08:14:26 -03:00 committed by Jakub Kicinski
parent e707e366f3
commit 50d325bb05

View File

@ -907,7 +907,7 @@ static int igb_request_msix(struct igb_adapter *adapter)
int i, err = 0, vector = 0, free_vector = 0;
err = request_irq(adapter->msix_entries[vector].vector,
igb_msix_other, IRQF_NO_THREAD, netdev->name, adapter);
igb_msix_other, 0, netdev->name, adapter);
if (err)
goto err_out;