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[PATCH 2/3] hvm/irq: tighten check in hvm_domain_use_pirq
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Roger Pau Monne <roger.pau@xxxxxxxxxx>
- Date: Thu, 3 Mar 2022 11:30:56 +0100
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- Cc: Roger Pau Monne <roger.pau@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
- Delivery-date: Thu, 03 Mar 2022 10:31:29 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
hvm_domain_use_pirq checking whether the passed domain is an HVM
guests is pointless, as all calls originate from HVM only paths.
Instead check whether the domain has PIRQ support in order to avoid
further checks.
No functional change intended.
Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
---
xen/arch/x86/hvm/irq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/arch/x86/hvm/irq.c b/xen/arch/x86/hvm/irq.c
index 5a7f39b54f..7c5dfd3c3a 100644
--- a/xen/arch/x86/hvm/irq.c
+++ b/xen/arch/x86/hvm/irq.c
@@ -30,7 +30,7 @@
bool hvm_domain_use_pirq(const struct domain *d, const struct pirq *pirq)
{
- return is_hvm_domain(d) && pirq && pirq->arch.hvm.emuirq != IRQ_UNBOUND;
+ return has_pirq(d) && pirq && pirq->arch.hvm.emuirq != IRQ_UNBOUND;
}
/* Must be called with hvm_domain->irq_lock hold */
--
2.34.1
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