Move vcpu_load() and vcpu_put() into the architecture specific
implementations of kvm_arch_vcpu_ioctl_set_sregs().
Signed-off-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx>
---
arch/powerpc/kvm/book3s.c | 10 +++++++++-
arch/powerpc/kvm/booke.c | 17 +++++++++++++----
arch/s390/kvm/kvm-s390.c | 8 ++++++++
arch/x86/kvm/x86.c | 15 ++++++++++++---
virt/kvm/kvm_main.c | 4 ----
5 files changed, 42 insertions(+), 12 deletions(-)
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index b7db75010843..63e68c24af0e 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -498,7 +498,15 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{
- return vcpu->kvm->arch.kvm_ops->set_sregs(vcpu, sregs);
+ int ret;
+
+ ret = vcpu_load(vcpu);
+ if (ret)
+ return ret;
+ ret = vcpu->kvm->arch.kvm_ops->set_sregs(vcpu, sregs);
+
+ vcpu_put(vcpu);
+ return ret;
}
int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index d770f465cb9d..59d1d0bd6909 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -1641,18 +1641,27 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
{
int ret;
+ ret = vcpu_load(vcpu);
+ if (ret)
+ return ret;
+
+ ret = -EINVAL;
if (vcpu->arch.pvr != sregs->pvr)
- return -EINVAL;
+ goto out;
ret = set_sregs_base(vcpu, sregs);
if (ret < 0)
- return ret;
+ goto out;
ret = set_sregs_arch206(vcpu, sregs);
if (ret < 0)
- return ret;
+ goto out;
+
+ ret = vcpu->kvm->arch.kvm_ops->set_sregs(vcpu, sregs);
- return vcpu->kvm->arch.kvm_ops->set_sregs(vcpu, sregs);
+out:
+ vcpu_put(vcpu);
+ return ret;
}
int kvmppc_get_one_reg(struct kvm_vcpu *vcpu, u64 id,
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 93a19e7e4f59..51569cc97a07 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -2738,8 +2738,16 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{
+ int r;
+
+ r = vcpu_load(vcpu);
+ if (r)
+ return r;
+
memcpy(&vcpu->run->s.regs.acrs, &sregs->acrs, sizeof(sregs->acrs));
memcpy(&vcpu->arch.sie_block->gcr, &sregs->crs, sizeof(sregs->crs));
+
+ vcpu_put(vcpu);
return 0;
}
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 7faa9479e8d8..1a701a2f25a3 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -7486,15 +7486,21 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
int mmu_reset_needed = 0;
int pending_vec, max_bits, idx;
struct desc_ptr dt;
+ int ret;
+
+ ret = vcpu_load(vcpu);
+ if (ret)
+ return ret;
+ ret = -EINVAL;
if (!guest_cpuid_has(vcpu, X86_FEATURE_XSAVE) &&
(sregs->cr4 & X86_CR4_OSXSAVE))
- return -EINVAL;
+ goto out;
apic_base_msr.data = sregs->apic_base;
apic_base_msr.host_initiated = true;
if (kvm_set_apic_base(vcpu, &apic_base_msr))
- return -EINVAL;
+ goto out;
dt.size = sregs->idt.limit;
dt.address = sregs->idt.base;
@@ -7560,7 +7566,10 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
kvm_make_request(KVM_REQ_EVENT, vcpu);
- return 0;
+ ret = 0;
+out:
+ vcpu_put(vcpu);
+ return ret;
}
int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index dbfaf190fca3..f68f45e64967 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2605,11 +2605,7 @@ static long kvm_vcpu_ioctl(struct file *filp,
kvm_sregs = NULL;
goto out;
}
- r = vcpu_load(vcpu);
- if (r)
- goto out;
r = kvm_arch_vcpu_ioctl_set_sregs(vcpu, kvm_sregs);
- vcpu_put(vcpu);
break;
}
case KVM_GET_MP_STATE: {
--
2.14.2
--
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