From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Wander Lairson Costa <wander@redhat.com>
Cc: Tony Nguyen <anthony.l.nguyen@intel.com>,
Przemek Kitszel <przemyslaw.kitszel@intel.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Clark Williams <clrkwllms@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
Simon Horman <horms@kernel.org>,
Jacob Keller <jacob.e.keller@intel.com>,
"moderated list:INTEL ETHERNET DRIVERS"
<intel-wired-lan@lists.osuosl.org>,
"open list:NETWORKING DRIVERS" <netdev@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>,
"open list:Real-time Linux (PREEMPT_RT):Keyword:PREEMPT_RT"
<linux-rt-devel@lists.linux.dev>,
tglx@linutronix.de
Subject: Re: [Intel-wired-lan] [PATCH v2 1/4] Revert "igb: Disable threaded IRQ for igb_msix_other"
Date: Fri, 8 Nov 2024 08:20:03 +0100 [thread overview]
Message-ID: <20241108072003.jJDpdq9u@linutronix.de> (raw)
In-Reply-To: <20241106111427.7272-1-wander@redhat.com>
On 2024-11-06 08:14:26 [-0300], Wander Lairson Costa wrote:
> 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>
This is the only patch.
Sebastian
WARNING: multiple messages have this Message-ID (diff)
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Wander Lairson Costa <wander@redhat.com>
Cc: Tony Nguyen <anthony.l.nguyen@intel.com>,
Przemek Kitszel <przemyslaw.kitszel@intel.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Clark Williams <clrkwllms@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
Simon Horman <horms@kernel.org>,
Jacob Keller <jacob.e.keller@intel.com>,
"moderated list:INTEL ETHERNET DRIVERS"
<intel-wired-lan@lists.osuosl.org>,
"open list:NETWORKING DRIVERS" <netdev@vger.kernel.org>,
open list <linux-kernel@vger.kernel.org>,
"open list:Real-time Linux (PREEMPT_RT):Keyword:PREEMPT_RT"
<linux-rt-devel@lists.linux.dev>,
tglx@linutronix.de
Subject: Re: [PATCH v2 1/4] Revert "igb: Disable threaded IRQ for igb_msix_other"
Date: Fri, 8 Nov 2024 08:20:03 +0100 [thread overview]
Message-ID: <20241108072003.jJDpdq9u@linutronix.de> (raw)
In-Reply-To: <20241106111427.7272-1-wander@redhat.com>
On 2024-11-06 08:14:26 [-0300], Wander Lairson Costa wrote:
> 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>
This is the only patch.
Sebastian
next prev parent reply other threads:[~2024-11-08 7:29 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-06 11:14 [Intel-wired-lan] [PATCH v2 1/4] Revert "igb: Disable threaded IRQ for igb_msix_other" Wander Lairson Costa
2024-11-06 11:14 ` Wander Lairson Costa
2024-11-08 7:20 ` Sebastian Andrzej Siewior [this message]
2024-11-08 7:20 ` Sebastian Andrzej Siewior
2024-11-08 11:44 ` [Intel-wired-lan] " Wander Lairson Costa
2024-11-08 11:44 ` Wander Lairson Costa
2024-11-08 12:20 ` [Intel-wired-lan] " Przemek Kitszel
2024-11-08 12:20 ` Przemek Kitszel
2024-11-08 12:28 ` [Intel-wired-lan] " Sebastian Andrzej Siewior
2024-11-08 12:28 ` Sebastian Andrzej Siewior
2024-11-08 15:02 ` [Intel-wired-lan] " Przemek Kitszel
2024-11-08 15:02 ` Przemek Kitszel
2024-11-08 23:00 ` [Intel-wired-lan] " Jacob Keller
2024-11-08 23:00 ` Jacob Keller
2024-11-11 12:53 ` [Intel-wired-lan] " Sebastian Andrzej Siewior
2024-11-11 12:53 ` Sebastian Andrzej Siewior
2024-11-12 14:52 ` [Intel-wired-lan] " Przemek Kitszel
2024-11-12 14:52 ` Przemek Kitszel
2024-11-12 15:04 ` [Intel-wired-lan] " Jakub Kicinski
2024-11-12 15:04 ` Jakub Kicinski
2024-11-12 15:56 ` [Intel-wired-lan] " Przemek Kitszel
2024-11-12 15:56 ` Przemek Kitszel
2024-11-13 2:30 ` [Intel-wired-lan] " patchwork-bot+netdevbpf
2024-11-13 2:30 ` patchwork-bot+netdevbpf
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