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PCI: hv: Use tasklet_disable_in_atomic()
The hv_compose_msi_msg() callback in irq_chip::irq_compose_msi_msg is invoked via irq_chip_compose_msi_msg(), which itself is always invoked from atomic contexts from the guts of the interrupt core code. There is no way to change this w/o rewriting the whole driver, so use tasklet_disable_in_atomic() which allows to make tasklet_disable() sleepable once the remaining atomic users are addressed. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Wei Liu <wei.liu@kernel.org> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/r/20210309084242.516519290@linutronix.de
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@ -1458,7 +1458,7 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
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* Prevents hv_pci_onchannelcallback() from running concurrently
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* in the tasklet.
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*/
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tasklet_disable(&channel->callback_event);
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tasklet_disable_in_atomic(&channel->callback_event);
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/*
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* Since this function is called with IRQ locks held, can't
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