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authorChristoffer Dall <christoffer.dall@linaro.org>2017-12-04 21:35:25 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2017-12-14 09:26:50 +0100
commitaccb757d798c9b4d85cfe3e5972134c586525168 (patch)
tree4980ad63d06039455ee778e2fa2eaa1f9a30465b /virt
parent8a32dd60ec9488b73e04e5b7bc82b77a2580b1b7 (diff)
downloadop-kernel-dev-accb757d798c9b4d85cfe3e5972134c586525168.zip
op-kernel-dev-accb757d798c9b4d85cfe3e5972134c586525168.tar.gz
KVM: Move vcpu_load to arch-specific kvm_arch_vcpu_ioctl_run
Move vcpu_load() and vcpu_put() into the architecture specific implementations of kvm_arch_vcpu_ioctl_run(). Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> # s390 parts Reviewed-by: Cornelia Huck <cohuck@redhat.com> [Rebased. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/arm/arm.c20
-rw-r--r--virt/kvm/kvm_main.c2
2 files changed, 14 insertions, 8 deletions
diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c
index 6b60c98..a1b2e8a 100644
--- a/virt/kvm/arm/arm.c
+++ b/virt/kvm/arm/arm.c
@@ -619,21 +619,27 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
if (unlikely(!kvm_vcpu_initialized(vcpu)))
return -ENOEXEC;
+ vcpu_load(vcpu);
+
ret = kvm_vcpu_first_run_init(vcpu);
if (ret)
- return ret;
+ goto out;
if (run->exit_reason == KVM_EXIT_MMIO) {
ret = kvm_handle_mmio_return(vcpu, vcpu->run);
if (ret)
- return ret;
- if (kvm_arm_handle_step_debug(vcpu, vcpu->run))
- return 0;
+ goto out;
+ if (kvm_arm_handle_step_debug(vcpu, vcpu->run)) {
+ ret = 0;
+ goto out;
+ }
}
- if (run->immediate_exit)
- return -EINTR;
+ if (run->immediate_exit) {
+ ret = -EINTR;
+ goto out;
+ }
kvm_sigset_activate(vcpu);
@@ -772,6 +778,8 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
kvm_sigset_deactivate(vcpu);
+out:
+ vcpu_put(vcpu);
return ret;
}
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 7bbaad8..0b14982 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2562,7 +2562,6 @@ static long kvm_vcpu_ioctl(struct file *filp,
r = -EINVAL;
if (arg)
goto out;
- vcpu_load(vcpu);
oldpid = rcu_access_pointer(vcpu->pid);
if (unlikely(oldpid != current->pids[PIDTYPE_PID].pid)) {
/* The thread running this VCPU changed. */
@@ -2574,7 +2573,6 @@ static long kvm_vcpu_ioctl(struct file *filp,
put_pid(oldpid);
}
r = kvm_arch_vcpu_ioctl_run(vcpu, vcpu->run);
- vcpu_put(vcpu);
trace_kvm_userspace_exit(vcpu->run->exit_reason, r);
break;
}
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