On 28/10/2020 03:09, Marc Zyngier wrote:
Hi Alexey,
On 2020-10-27 09:06, Alexey Kardashevskiy wrote:
PCI devices share 4 legacy INTx interrupts from the same PCI host bridge.
Device drivers map/unmap hardware interrupts via irq_create_mapping()/
irq_dispose_mapping(). The problem with that t
Hi Alexey,
On 2020-10-27 09:06, Alexey Kardashevskiy wrote:
PCI devices share 4 legacy INTx interrupts from the same PCI host
bridge.
Device drivers map/unmap hardware interrupts via irq_create_mapping()/
irq_dispose_mapping(). The problem with that these interrupts are
shared and when performi
PCI devices share 4 legacy INTx interrupts from the same PCI host bridge.
Device drivers map/unmap hardware interrupts via irq_create_mapping()/
irq_dispose_mapping(). The problem with that these interrupts are
shared and when performing hot unplug, we need to unmap the interrupt
only when the last