From 2cf16205290bdb6d92bade3590adec6e08fd26c9 Mon Sep 17 00:00:00 2001 From: Bui Quang Minh Date: Thu, 11 Jan 2024 22:44:01 +0700 Subject: [PATCH] intel_iommu: allow Extended Interrupt Mode when using userspace APIC As userspace APIC now supports x2APIC, intel interrupt remapping hardware can be set to EIM mode when userspace local APIC is used. Suggested-by: Joao Martins Acked-by: Peter Xu Signed-off-by: Bui Quang Minh Message-Id: <20240111154404.5333-5-minhquangbui99@gmail.com> Acked-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/i386/intel_iommu.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 1a07faddb4..cf933189d3 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -4124,11 +4124,7 @@ static bool vtd_decide_config(IntelIOMMUState *s, Error **errp) ON_OFF_AUTO_ON : ON_OFF_AUTO_OFF; } if (s->intr_eim == ON_OFF_AUTO_ON && !s->buggy_eim) { - if (!kvm_irqchip_is_split()) { - error_setg(errp, "eim=on requires accel=kvm,kernel-irqchip=split"); - return false; - } - if (kvm_enabled() && !kvm_enable_x2apic()) { + if (kvm_irqchip_is_split() && !kvm_enable_x2apic()) { error_setg(errp, "eim=on requires support on the KVM side" "(X2APIC_API, first shipped in v4.7)"); return false; -- 2.11.4.GIT