diff options
author | Wander Lairson Costa <wander@redhat.com> | 2024-11-06 14:14:26 +0300 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2024-11-13 05:05:40 +0300 |
commit | 50d325bb05cef24a2105e40e7cace5e2b237236d (patch) | |
tree | 6b158341ee0b2ea6e3b68090fba6bd2078b0fa27 | |
parent | e707e366f35576a455678ad74c4835d1c62633c6 (diff) | |
download | linux-50d325bb05cef24a2105e40e7cace5e2b237236d.tar.xz |
Revert "igb: Disable threaded IRQ for igb_msix_other"
This reverts commit 338c4d3902feb5be49bfda530a72c7ab860e2c9f.
Sebastian noticed the ISR indirectly acquires spin_locks, which are
sleeping locks under PREEMPT_RT, which leads to kernel splats.
Fixes: 338c4d3902feb ("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>
-rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index b83df5f94b1f..f1d088168723 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -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; |