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| author | Bui Quang Minh <minhquangbui99@gmail.com> | 2024-01-11 22:44:01 +0700 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2024-02-14 06:09:32 -0500 |
| commit | 2cf16205290bdb6d92bade3590adec6e08fd26c9 (patch) | |
| tree | db48c59250c8f71196c0d29819f3ae89b144f32d | |
| parent | 774204cf9874e58dc7fc13394a505452357750ad (diff) | |
| download | qemu-2cf16205290bdb6d92bade3590adec6e08fd26c9.zip qemu-2cf16205290bdb6d92bade3590adec6e08fd26c9.tar.gz qemu-2cf16205290bdb6d92bade3590adec6e08fd26c9.tar.bz2 | |
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 <joao.m.martins@oracle.com>
Acked-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Message-Id: <20240111154404.5333-5-minhquangbui99@gmail.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| -rw-r--r-- | hw/i386/intel_iommu.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 1a07fad..cf93318 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; |