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From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: kvm@vger.kernel.org
Cc: "Paolo Bonzini" <pbonzini@redhat.com>,
	"Radim Krčmář" <rkrcmar@redhat.com>,
	"Jim Mattson" <jmattson@google.com>,
	"Liran Alon" <liran.alon@oracle.com>,
	"Sean Christopherson" <sean.j.christopherson@intel.com>,
	linux-kernel@vger.kernel.org
Subject: [PATCH v3 5/9] x86/kvm/mmu: get rid of redundant kvm_mmu_setup()
Date: Mon,  1 Oct 2018 16:20:06 +0200	[thread overview]
Message-ID: <20181001142010.21132-6-vkuznets@redhat.com> (raw)
In-Reply-To: <20181001142010.21132-1-vkuznets@redhat.com>

From: Paolo Bonzini <pbonzini@redhat.com>

Just inline the contents into the sole caller, kvm_init_mmu is now
public.

Suggested-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
 arch/x86/include/asm/kvm_host.h |  1 -
 arch/x86/kvm/mmu.c              | 12 ------------
 arch/x86/kvm/x86.c              |  2 +-
 3 files changed, 1 insertion(+), 14 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index a3829869353b..a64da200aed1 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1176,7 +1176,6 @@ void kvm_mmu_module_exit(void);
 
 void kvm_mmu_destroy(struct kvm_vcpu *vcpu);
 int kvm_mmu_create(struct kvm_vcpu *vcpu);
-void kvm_mmu_setup(struct kvm_vcpu *vcpu);
 void kvm_mmu_init_vm(struct kvm *kvm);
 void kvm_mmu_uninit_vm(struct kvm *kvm);
 void kvm_mmu_set_mask_ptes(u64 user_mask, u64 accessed_mask,
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index bb6584222848..02bc3d6c27a3 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -5426,18 +5426,6 @@ int kvm_mmu_create(struct kvm_vcpu *vcpu)
 	return alloc_mmu_pages(vcpu);
 }
 
-void kvm_mmu_setup(struct kvm_vcpu *vcpu)
-{
-	MMU_WARN_ON(VALID_PAGE(vcpu->arch.mmu->root_hpa));
-
-	/*
-	 * kvm_mmu_setup() is called only on vCPU initialization.  
-	 * Therefore, no need to reset mmu roots as they are not yet
-	 * initialized.
-	 */
-	kvm_init_mmu(vcpu, false);
-}
-
 static void kvm_mmu_invalidate_zap_pages_in_memslot(struct kvm *kvm,
 			struct kvm_memory_slot *slot,
 			struct kvm_page_track_notifier_node *node)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index d58dc530ed84..b93b1ef8854b 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -8478,7 +8478,7 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
 	kvm_vcpu_mtrr_init(vcpu);
 	vcpu_load(vcpu);
 	kvm_vcpu_reset(vcpu, false);
-	kvm_mmu_setup(vcpu);
+	kvm_init_mmu(vcpu, false);
 	vcpu_put(vcpu);
 	return 0;
 }
-- 
2.17.1


  parent reply	other threads:[~2018-10-01 14:20 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-01 14:20 [PATCH v3 0/9] x86/kvm/nVMX: optimize MMU switch between L1 and L2 Vitaly Kuznetsov
2018-10-01 14:20 ` [PATCH v3 1/9] x86/kvm/mmu: make vcpu->mmu a pointer to the current MMU Vitaly Kuznetsov
2018-10-01 14:20 ` [PATCH v3 2/9] x86/kvm/mmu.c: set get_pdptr hook in kvm_init_shadow_ept_mmu() Vitaly Kuznetsov
2018-10-01 14:20 ` [PATCH v3 3/9] x86/kvm/mmu.c: add kvm_mmu parameter to kvm_mmu_free_roots() Vitaly Kuznetsov
2018-10-01 14:20 ` [PATCH v3 4/9] x86/kvm/mmu: introduce guest_mmu Vitaly Kuznetsov
2018-10-05 19:22   ` Sean Christopherson
2018-10-01 14:20 ` Vitaly Kuznetsov [this message]
2018-10-01 14:20 ` [PATCH v3 6/9] x86/kvm/mmu: make space for source data caching in struct kvm_mmu Vitaly Kuznetsov
2018-10-01 14:20 ` [PATCH v3 7/9] x86/kvm/nVMX: introduce source data cache for kvm_init_shadow_ept_mmu() Vitaly Kuznetsov
2018-10-05 19:32   ` Sean Christopherson
2018-10-01 14:20 ` [PATCH v3 8/9] x86/kvm/mmu: check if tdp/shadow MMU reconfiguration is needed Vitaly Kuznetsov
2018-10-05 19:37   ` Sean Christopherson
2018-10-01 14:20 ` [PATCH v3 9/9] x86/kvm/mmu: check if MMU reconfiguration is needed in init_kvm_nested_mmu() Vitaly Kuznetsov

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