On Dec31 03:45, kevinnma(马文霜) wrote:
> diff --git a/kvm-all.c b/kvm-all.c
> index 18cc6b4..f47e1b1 100644
> --- a/kvm-all.c
> +++ b/kvm-all.c
> @@ -1123,6 +1123,17 @@ static int kvm_irqchip_get_virq(KVMState *s)
> int i, bit;
> bool retry = true;
>
> + /*
> + * PIC and IOAPIC share the first 15 GSI numbers,available GSI
> + * numbers greater than IRQ route entries. If allocate GSI number
> + * succeeds, a new route entry can be added, so total IRQ route
> + * enties can exceed gsi_count, flush dynamic MSI entries when
> + * IRQ route entries arrive gsi_count.
> + */
> + if (!s->direct_msi && s->irq_routes->nr == s->gsi_count) {
> + kvm_flush_dynamic_msi_routes(s);
> + }
> +
> again:
> /* Return the lowest unused GSI in the bitmap */
> for (i = 0; i < max_words; i++) {Any comments on this patch? -- William
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