linux-stable/arch/x86/kvm/svm/svm_onhyperv.c
Peter Gonda 4a9e7b9ea2 KVM: SVM: Fix kvm_cache_regs.h inclusions for is_guest_mode()
Include kvm_cache_regs.h to pick up the definition of is_guest_mode(),
which is referenced by nested_svm_virtualize_tpr() in svm.h. Remove
include from svm_onhpyerv.c which was done only because of lack of
include in svm.h.

Fixes: 883b0a91f4 ("KVM: SVM: Move Nested SVM Implementation to nested.c")
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Sean Christopherson <seanjc@google.com>
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Peter Gonda <pgonda@google.com>
Message-Id: <20220304161032.2270688-1-pgonda@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-04-02 05:34:40 -04:00

40 lines
933 B
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* KVM L1 hypervisor optimizations on Hyper-V for SVM.
*/
#include <linux/kvm_host.h>
#include <asm/mshyperv.h>
#include "svm.h"
#include "svm_ops.h"
#include "hyperv.h"
#include "kvm_onhyperv.h"
#include "svm_onhyperv.h"
int svm_hv_enable_direct_tlbflush(struct kvm_vcpu *vcpu)
{
struct hv_enlightenments *hve;
struct hv_partition_assist_pg **p_hv_pa_pg =
&to_kvm_hv(vcpu->kvm)->hv_pa_pg;
if (!*p_hv_pa_pg)
*p_hv_pa_pg = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!*p_hv_pa_pg)
return -ENOMEM;
hve = (struct hv_enlightenments *)to_svm(vcpu)->vmcb->control.reserved_sw;
hve->partition_assist_page = __pa(*p_hv_pa_pg);
hve->hv_vm_id = (unsigned long)vcpu->kvm;
if (!hve->hv_enlightenments_control.nested_flush_hypercall) {
hve->hv_enlightenments_control.nested_flush_hypercall = 1;
vmcb_mark_dirty(to_svm(vcpu)->vmcb, VMCB_HV_NESTED_ENLIGHTENMENTS);
}
return 0;
}