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KVM: MIPS: Add EVENTFD support which is needed by VHOST

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Add EVENTFD support for KVM/MIPS, which is needed by VHOST. Tested on
Loongson-3 platform.

Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Co-developed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <1590220602-3547-5-git-send-email-chenhc@lemote.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Huacai Chen
2020-05-23 15:56:31 +08:00
committed by Paolo Bonzini
parent 210b4b9112
commit bf10efbb81
4 changed files with 8 additions and 1 deletions
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arch/mips/kvm/trap_emul.c
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@@ -529,6 +529,9 @@ static int kvm_trap_emul_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_MIPS_TE:
r = 1;
break;
case KVM_CAP_IOEVENTFD:
r = 1;
break;
default:
r = 0;
break;