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[PATCH 1/3] i386/kvm: Require KVM_CAP_IRQ_ROUTING
From: |
Eduardo Habkost |
Subject: |
[PATCH 1/3] i386/kvm: Require KVM_CAP_IRQ_ROUTING |
Date: |
Tue, 22 Sep 2020 16:19:20 -0400 |
KVM_CAP_IRQ_ROUTING is available since 2009 (Linux v2.6.30), so
it's safe to just make it a requirement on x86.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
target/i386/kvm.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index 9efb07e7c83..d884ff1b071 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -2129,6 +2129,11 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
int ret;
struct utsname utsname;
+ if (!kvm_check_extension(s, KVM_CAP_IRQ_ROUTING)) {
+ error_report("kvm: KVM_CAP_IRQ_ROUTING not supported by KVM");
+ return -ENOTSUP;
+ }
+
has_xsave = kvm_check_extension(s, KVM_CAP_XSAVE);
has_xcrs = kvm_check_extension(s, KVM_CAP_XCRS);
has_pit_state2 = kvm_check_extension(s, KVM_CAP_PIT_STATE2);
--
2.26.2