On Wed, May 13, 2009 at 09:13:38AM -0600, Alex Williamson wrote:
> @@ -323,6 +326,28 @@ kvm_context_t kvm_init(struct kvm_callbacks *callbacks,
> kvm->no_irqchip_creation = 0;
> kvm->no_pit_creation = 0;
>
> + gsi_count = kvm_get_gsi_count(kvm);
> + if (gsi_count > 0) {
> + int gsi_bytes, i;
> +
> + /* Round up so we can search ints using ffs */
> + gsi_bytes = ((gsi_count + 31) / 32) * 4;
Let's take ALIGN macro from linux/kernel.h?
> + kvm->used_gsi_bitmap = malloc(gsi_bytes);
> + if (!kvm->used_gsi_bitmap)
> + goto out_close;
> + memset(kvm->used_gsi_bitmap, 0, gsi_bytes);
> + kvm->max_gsi = gsi_bytes * 8;
> +
> + /* Mark all the IOAPIC pin GSIs and any over-allocated
> + * GSIs as already in use. */
Align '*'s please.
> +#ifdef KVM_IOAPIC_NUM_PINS
I think we should just export
#define KVM_IOAPIC_NUM_PINS 0
for ppc in kernel headers (or in libkvm),
and get rid of this ifdef completely.
Avi, agree?
> + for (i = 0; i < min(KVM_IOAPIC_NUM_PINS, gsi_count); i++)
> + set_bit(kvm->used_gsi_bitmap, i);
> +#endif
> + for (i = gsi_count; i < kvm->max_gsi; i++)
> + set_bit(kvm->used_gsi_bitmap, i);
> + }
> +
> return kvm;
> out_close:
> close(fd);
--
MST
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