diff mbox series

[v3,10/16] KVM: Move vcpu_load to arch-specific kvm_arch_vcpu_ioctl_translate

Message ID 20171204203538.8370-11-cdall@kernel.org
State Accepted
Headers show
Series Move vcpu_load and vcpu_put calls to arch code | expand

Commit Message

Christoffer Dall Dec. 4, 2017, 8:35 p.m. UTC
From: Christoffer Dall <christoffer.dall@linaro.org>

Move vcpu_load() and vcpu_put() into the architecture specific
implementations of kvm_arch_vcpu_ioctl_translate().

Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
---
 arch/powerpc/kvm/booke.c | 2 ++
 arch/x86/kvm/x86.c       | 3 +++
 virt/kvm/kvm_main.c      | 2 --
 3 files changed, 5 insertions(+), 2 deletions(-)

Comments

Cornelia Huck Dec. 11, 2017, 12:29 p.m. UTC | #1
On Mon,  4 Dec 2017 21:35:32 +0100
Christoffer Dall <cdall@kernel.org> wrote:

> From: Christoffer Dall <christoffer.dall@linaro.org>
> 
> Move vcpu_load() and vcpu_put() into the architecture specific
> implementations of kvm_arch_vcpu_ioctl_translate().
> 
> Reviewed-by: David Hildenbrand <david@redhat.com>
> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
> ---
>  arch/powerpc/kvm/booke.c | 2 ++
>  arch/x86/kvm/x86.c       | 3 +++
>  virt/kvm/kvm_main.c      | 2 --
>  3 files changed, 5 insertions(+), 2 deletions(-)

Reviewed-by: Cornelia Huck <cohuck@redhat.com>
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diff mbox series

Patch

diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index cdf0be02c95a..1b491b89cd43 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -1793,7 +1793,9 @@  int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
 {
 	int r;
 
+	vcpu_load(vcpu);
 	r = kvmppc_core_vcpu_translate(vcpu, tr);
+	vcpu_put(vcpu);
 	return r;
 }
 
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8e67428af01b..c30ba99e7aa3 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -7660,6 +7660,8 @@  int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
 	gpa_t gpa;
 	int idx;
 
+	vcpu_load(vcpu);
+
 	idx = srcu_read_lock(&vcpu->kvm->srcu);
 	gpa = kvm_mmu_gva_to_gpa_system(vcpu, vaddr, NULL);
 	srcu_read_unlock(&vcpu->kvm->srcu, idx);
@@ -7668,6 +7670,7 @@  int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
 	tr->writeable = 1;
 	tr->usermode = 0;
 
+	vcpu_put(vcpu);
 	return 0;
 }
 
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index f3600052adbb..0a8a49073a23 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2627,9 +2627,7 @@  static long kvm_vcpu_ioctl(struct file *filp,
 		r = -EFAULT;
 		if (copy_from_user(&tr, argp, sizeof(tr)))
 			goto out;
-		vcpu_load(vcpu);
 		r = kvm_arch_vcpu_ioctl_translate(vcpu, &tr);
-		vcpu_put(vcpu);
 		if (r)
 			goto out;
 		r = -EFAULT;