diff options
| author | Alexander Graf <agraf@suse.de> | 2012-08-13 12:44:41 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2012-10-05 23:38:46 +0200 |
| commit | 7ee788556bf395a8ef413bea33494df29a3409e0 (patch) | |
| tree | dfc85c7287cb634cb0c6d3e367c8139fef01cf78 /arch/powerpc/kvm/booke.c | |
| parent | 206c2ed7f1ea55222bde2954ee3d65c2e9cfb750 (diff) | |
| download | linux-7ee788556bf395a8ef413bea33494df29a3409e0.tar.bz2 | |
KVM: PPC: Add return value in prepare_to_enter
Our prepare_to_enter helper wants to be able to return in more circumstances
to the host than only when an interrupt is pending. Broaden the interface a
bit and move even more generic code to the generic helper.
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm/booke.c')
| -rw-r--r-- | arch/powerpc/kvm/booke.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 5e8dc1909130..1917802463f5 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -467,7 +467,7 @@ void kvmppc_core_check_requests(struct kvm_vcpu *vcpu) int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) { - int ret; + int ret, s; #ifdef CONFIG_PPC_FPU unsigned int fpscr; int fpexc_mode; @@ -480,10 +480,10 @@ int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) } local_irq_disable(); - if (kvmppc_prepare_to_enter(vcpu)) { + s = kvmppc_prepare_to_enter(vcpu); + if (s <= 0) { local_irq_enable(); - kvm_run->exit_reason = KVM_EXIT_INTR; - ret = -EINTR; + ret = s; goto out; } kvmppc_lazy_ee_enable(); @@ -642,6 +642,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu, unsigned int exit_nr) { int r = RESUME_HOST; + int s; /* update before a new last_exit_type is rewritten */ kvmppc_update_timing_stats(vcpu); @@ -948,11 +949,10 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu, */ if (!(r & RESUME_HOST)) { local_irq_disable(); - if (kvmppc_prepare_to_enter(vcpu)) { + s = kvmppc_prepare_to_enter(vcpu); + if (s <= 0) { local_irq_enable(); - run->exit_reason = KVM_EXIT_INTR; - r = (-EINTR << 2) | RESUME_HOST | (r & RESUME_FLAG_NV); - kvmppc_account_exit(vcpu, SIGNAL_EXITS); + r = (s << 2) | RESUME_HOST | (r & RESUME_FLAG_NV); } else { kvmppc_lazy_ee_enable(); } |