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x86/apic: Always provide irq_compose_msi_msg() method for vector domain

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This shouldn't be dependent on PCI_MSI. HPET and I/O-APIC can deliver
interrupts through MSI without having any PCI in the system at all.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201024213535.443185-10-dwmw2@infradead.org
This commit is contained in:
David Woodhouse
2020-10-24 22:35:09 +01:00
committed by Thomas Gleixner
parent 8c44963b60
commit f598181acf
4 changed files with 41 additions and 42 deletions
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6
arch/x86/kernel/apic/vector.c
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@@ -818,6 +818,12 @@ void apic_ack_edge(struct irq_data *irqd)
apic_ack_irq(irqd);
}
static void x86_vector_msi_compose_msg(struct irq_data *data,
struct msi_msg *msg)
{
__irq_msi_compose_msg(irqd_cfg(data), msg, false);
}
static struct irq_chip lapic_controller = {
.name = "APIC",
.irq_ack = apic_ack_edge,