On 05/14/2010 12:10 AM, Cam Macdonell wrote:
On Mon, May 10, 2010 at 5:59 AM, Avi Kivity<a...@redhat.com> wrote:
On 04/21/2010 08:53 PM, Cam Macdonell wrote:
+
+ /* allocate/initialize space for interrupt handling */
+ s->eventfds = qemu_mallocz(s->nr_alloc_guests * sizeof(int *));
+ s->eventfd_table = qemu_mallocz(s->vectors *
sizeof(EventfdEntry));
+ s->eventfds_posn_count = qemu_mallocz(s->nr_alloc_guests *
sizeof(int));
+
+ pci_conf[PCI_INTERRUPT_PIN] = 1; /* we are going to support
interrupts */
This is done by the guest BIOS.
If I remove that line, my driver crashes when it falls back to
pin-based interrupts (when MSI is turned off). Is there something in
the device driver that I need to set in place of this? A number of
other devices (mostly network cards) set the interrupt pin this way,
so I'm a little confused.
Sorry, I confused this with PCI_INTERRUPT_LINE.
Note there is a helper to set it, pci_config_set_interrupt_pin().
--
Do not meddle in the internals of kernels, for they are subtle and quick to
panic.
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