summaryrefslogtreecommitdiff
path: root/arch/x86/kvm/hyperv.c
diff options
context:
space:
mode:
authorHiago De Franco <hiago.franco@toradex.com>2025-06-02 15:00:56 -0300
committerHiago De Franco <hiago.franco@toradex.com>2025-06-03 10:26:20 -0300
commitdefb81960f4fcb580b75bbc207e5440dad4376d6 (patch)
treeda4539935a24104d027d92a8f9afd519f2ee625a /arch/x86/kvm/hyperv.c
parent5a6602cc6c3204b24470b2429e658c25638b10a9 (diff)
parent1b69a86802c7e77a7624fe4970ca7d382a785b8f (diff)
Merge branch '5.15-2.2.x-imx' into toradex_5.15-2.2.x-imxtoradex_5.15-2.2.x-imx
Conflicts: drivers/tty/serial/fsl_lpuart.c Signed-off-by: Hiago De Franco <hiago.franco@toradex.com>
Diffstat (limited to 'arch/x86/kvm/hyperv.c')
-rw-r--r--arch/x86/kvm/hyperv.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index 29a96d1c7e2b..32d1c9064b5e 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -1902,6 +1902,9 @@ static u64 kvm_hv_send_ipi(struct kvm_vcpu *vcpu, struct kvm_hv_hcall *hc)
bool all_cpus;
int i;
+ if (!lapic_in_kernel(vcpu))
+ return HV_STATUS_INVALID_HYPERCALL_INPUT;
+
if (hc->code == HVCALL_SEND_IPI) {
if (!hc->fast) {
if (unlikely(kvm_read_guest(kvm, hc->ingpa, &send_ipi,
@@ -2507,7 +2510,8 @@ int kvm_get_hv_cpuid(struct kvm_vcpu *vcpu, struct kvm_cpuid2 *cpuid,
ent->eax |= HV_X64_REMOTE_TLB_FLUSH_RECOMMENDED;
ent->eax |= HV_X64_APIC_ACCESS_RECOMMENDED;
ent->eax |= HV_X64_RELAXED_TIMING_RECOMMENDED;
- ent->eax |= HV_X64_CLUSTER_IPI_RECOMMENDED;
+ if (!vcpu || lapic_in_kernel(vcpu))
+ ent->eax |= HV_X64_CLUSTER_IPI_RECOMMENDED;
ent->eax |= HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED;
if (evmcs_ver)
ent->eax |= HV_X64_ENLIGHTENED_VMCS_RECOMMENDED;