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| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2021-05-21 11:52:00 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-06-17 13:09:44 -0400 |
| commit | d264eb3c14d0e5df49ecab3e8b51caadf78abefa (patch) | |
| tree | 98d486dd14573a972c374648ce6006e3ab737f51 | |
| parent | bb53ecb4d6ea453e55a971295e55dbf76adc0f8c (diff) | |
| download | linux-stable-d264eb3c14d0e5df49ecab3e8b51caadf78abefa.tar.gz linux-stable-d264eb3c14d0e5df49ecab3e8b51caadf78abefa.tar.bz2 linux-stable-d264eb3c14d0e5df49ecab3e8b51caadf78abefa.zip | |
KVM: x86: hyper-v: Honor HV_X64_CLUSTER_IPI_RECOMMENDED bit
Hyper-V partition must possess 'HV_X64_CLUSTER_IPI_RECOMMENDED'
privilege ('recommended' is rather a misnomer) to issue
HVCALL_SEND_IPI hypercalls.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210521095204.2161214-27-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | arch/x86/kvm/hyperv.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index 831279976d9f..eded585620a7 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -2118,6 +2118,10 @@ static bool hv_check_hypercall_access(struct kvm_vcpu_hv *hv_vcpu, u16 code) case HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE: return hv_vcpu->cpuid_cache.enlightenments_eax & HV_X64_REMOTE_TLB_FLUSH_RECOMMENDED; + case HVCALL_SEND_IPI_EX: + case HVCALL_SEND_IPI: + return hv_vcpu->cpuid_cache.enlightenments_eax & + HV_X64_CLUSTER_IPI_RECOMMENDED; default: break; } |