diff options
Diffstat (limited to 'Documentation/i386/IO-APIC.txt')
| -rw-r--r-- | Documentation/i386/IO-APIC.txt | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/i386/IO-APIC.txt b/Documentation/i386/IO-APIC.txt index f95166645d29..30b4c714fbe1 100644 --- a/Documentation/i386/IO-APIC.txt +++ b/Documentation/i386/IO-APIC.txt | |||
| @@ -70,7 +70,7 @@ Every PCI card emits a PCI IRQ, which can be INTA, INTB, INTC or INTD: | |||
| 70 | 70 | ||
| 71 | These INTA-D PCI IRQs are always 'local to the card', their real meaning | 71 | These INTA-D PCI IRQs are always 'local to the card', their real meaning |
| 72 | depends on which slot they are in. If you look at the daisy chaining diagram, | 72 | depends on which slot they are in. If you look at the daisy chaining diagram, |
| 73 | a card in slot4, issuing INTA IRQ, it will end up as a signal on PIRQ2 of | 73 | a card in slot4, issuing INTA IRQ, it will end up as a signal on PIRQ4 of |
| 74 | the PCI chipset. Most cards issue INTA, this creates optimal distribution | 74 | the PCI chipset. Most cards issue INTA, this creates optimal distribution |
| 75 | between the PIRQ lines. (distributing IRQ sources properly is not a | 75 | between the PIRQ lines. (distributing IRQ sources properly is not a |
| 76 | necessity, PCI IRQs can be shared at will, but it's a good for performance | 76 | necessity, PCI IRQs can be shared at will, but it's a good for performance |