dmesg acpi message

[spak]

I'm getting some messages from dmesg. What does it mean?

ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 11
ACPI: PCI interrupt 0000:00:02.0[A] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI interrupt 0000:00:1d.0[A] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11
ACPI: PCI interrupt 0000:00:1d.1[B] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
ACPI: PCI interrupt 0000:00:1d.2[C] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI Interrupt Link [LNKH] enabled at IRQ 11
ACPI: PCI interrupt 0000:00:1d.7[D] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI interrupt 0000:00:1f.1[A] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 7
ACPI: PCI interrupt 0000:00:1f.5[B] -> GSI 7 (level, low) -> IRQ 7
ACPI: PCI interrupt 0000:00:1f.6[B] -> GSI 7 (level, low) -> IRQ 7
ACPI: PCI interrupt 0000:01:01.0[A] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI interrupt 0000:01:01.1[B] -> GSI 11 (level, low) -> IRQ 11
ACPI: PCI interrupt 0000:01:03.0[A] -> GSI 7 (level, low) -> IRQ 7
ACPI: PCI Interrupt Link [LNKE] enabled at IRQ 11
ACPI: PCI interrupt 0000:01:08.0[A] -> GSI 11 (level, low) -> IRQ 11