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Fixes: 17f6d398f765 ('cmdline: document and enforce "extra_guest_irqs" upper bounds') Signed-off-by: Roger Pau Monné Reviewed-by: Andrew Cooper --- xen/arch/x86/io_apic.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/xen/arch/x86/io_apic.c b/xen/arch/x86/io_apic.c index bd5ad61c85e4..d9db2efc4f58 100644 --- a/xen/arch/x86/io_apic.c +++ b/xen/arch/x86/io_apic.c @@ -2754,11 +2754,13 @@ unsigned int __hwdom_init arch_hwdom_irqs(const struct domain *d) /* PVH (generally: HVM) can't use PHYSDEVOP_pirq_eoi_gmfn_v{1,2}. */ if ( is_hvm_domain(d) ) - return nr_irqs; - - if ( !d->domain_id ) - n = min(n, dom0_max_vcpus()); - n = min(nr_irqs_gsi + n * NR_DYNAMIC_VECTORS, max_irqs); + n = nr_irqs; + else + { + if ( !d->domain_id ) + n = min(n, dom0_max_vcpus()); + n = min(nr_irqs_gsi + n * NR_DYNAMIC_VECTORS, max_irqs); + } printk("%pd has maximum %u PIRQs\n", d, n);