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Date: Mon, 11 Jul 2022 13:44:18 +0200 From: Marek Behún <kabel@...nel.org> To: Pali Rohár <pali@...nel.org> Cc: Thomas Petazzoni <thomas.petazzoni@...tlin.com>, Lorenzo Pieralisi <lpieralisi@...nel.org>, Rob Herring <robh@...nel.org>, Krzysztof Wilczyński <kw@...ux.com>, Bjorn Helgaas <bhelgaas@...gle.com>, Hajo Noerenberg <hajo-linux-bugzilla@...renberg.de>, linux-pci@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] PCI: mvebu: Dispose INTx irqs prior to removing INTx domain On Sat, 9 Jul 2022 18:18:58 +0200 Pali Rohár <pali@...nel.org> wrote: > Documentation for irq_domain_remove() says that all mapping within the > domain must be disposed prior to domain remove. > > Currently INTx irqs are not disposed in pci-mvebu.c device unbind callback > which cause that kernel crashes after unloading driver and trying to read > /sys/kernel/debug/irq/irqs/<num> or /proc/interrupts. > > Fixes: ec075262648f ("PCI: mvebu: Implement support for legacy INTx interrupts") > Reported-by: Hajo Noerenberg <hajo-linux-bugzilla@...renberg.de> > Signed-off-by: Pali Rohár <pali@...nel.org> Reviewed-by: Marek Behún <kabel@...nel.org>
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