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| author | Christoffer Dall <christoffer.dall@linaro.org> | 2017-12-04 21:35:25 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-12-14 09:26:50 +0100 |
| commit | accb757d798c9b4d85cfe3e5972134c586525168 (patch) | |
| tree | 4980ad63d06039455ee778e2fa2eaa1f9a30465b /arch | |
| parent | KVM: Prepare for moving vcpu_load/vcpu_put into arch specific code (diff) | |
| download | linux-accb757d798c9b4d85cfe3e5972134c586525168.tar.xz linux-accb757d798c9b4d85cfe3e5972134c586525168.zip | |
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 'arch')
| -rw-r--r-- | arch/mips/kvm/mips.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/kvm/powerpc.c | 6 | ||||
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 10 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.c | 3 |
4 files changed, 18 insertions, 4 deletions
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 75fdeaa8c62f..ba5ecf22bb96 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -446,6 +446,8 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) { int r = -EINTR; + vcpu_load(vcpu); + kvm_sigset_activate(vcpu); if (vcpu->mmio_needed) { @@ -480,6 +482,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) out: kvm_sigset_deactivate(vcpu); + vcpu_put(vcpu); return r; } diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 1915e86cef6f..4e2167a7ae19 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -1408,6 +1408,8 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) { int r; + vcpu_load(vcpu); + if (vcpu->mmio_needed) { vcpu->mmio_needed = 0; if (!vcpu->mmio_is_write) @@ -1422,7 +1424,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) r = kvmppc_emulate_mmio_vsx_loadstore(vcpu, run); if (r == RESUME_HOST) { vcpu->mmio_needed = 1; - return r; + goto out; } } #endif @@ -1456,6 +1458,8 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run) kvm_sigset_deactivate(vcpu); +out: + vcpu_put(vcpu); return r; } diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index ec8b68e97d3c..7972598e60d0 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -3373,9 +3373,12 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) if (kvm_run->immediate_exit) return -EINTR; + vcpu_load(vcpu); + if (guestdbg_exit_pending(vcpu)) { kvm_s390_prepare_debug_exit(vcpu); - return 0; + rc = 0; + goto out; } kvm_sigset_activate(vcpu); @@ -3385,7 +3388,8 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) } else if (is_vcpu_stopped(vcpu)) { pr_err_ratelimited("can't run stopped vcpu %d\n", vcpu->vcpu_id); - return -EINVAL; + rc = -EINVAL; + goto out; } sync_regs(vcpu, kvm_run); @@ -3415,6 +3419,8 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) kvm_sigset_deactivate(vcpu); vcpu->stat.exit_userspace++; +out: + vcpu_put(vcpu); return rc; } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 3f2c78f58570..af9da75011bc 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7280,8 +7280,8 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) { int r; + vcpu_load(vcpu); kvm_sigset_activate(vcpu); - kvm_load_guest_fpu(vcpu); if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED)) { @@ -7328,6 +7328,7 @@ out: post_kvm_run_save(vcpu); kvm_sigset_deactivate(vcpu); + vcpu_put(vcpu); return r; } |