diff options
author | Radim Krčmář <rkrcmar@redhat.com> | 2017-04-26 22:32:19 +0200 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-04-27 14:12:22 +0200 |
commit | 72875d8a4d92f6f37e051be522b2252fd49bd50e (patch) | |
tree | f42dd5ca2b21b57abbb4cc656aadf641cfaf1412 /arch/powerpc/kvm | |
parent | cf9bdd35779e36a5bfc23ec292d6e1c23435878d (diff) | |
download | linux-72875d8a4d92f6f37e051be522b2252fd49bd50e.tar.bz2 |
KVM: add kvm_{test,clear}_request to replace {test,clear}_bit
Users were expected to use kvm_check_request() for testing and clearing,
but request have expanded their use since then and some users want to
only test or do a faster clear.
Make sure that requests are not directly accessed with bit operations.
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/powerpc/kvm')
-rw-r--r-- | arch/powerpc/kvm/book3s_pr.c | 2 | ||||
-rw-r--r-- | arch/powerpc/kvm/book3s_pr_papr.c | 2 | ||||
-rw-r--r-- | arch/powerpc/kvm/booke.c | 4 | ||||
-rw-r--r-- | arch/powerpc/kvm/powerpc.c | 2 |
4 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index f026b062c0ed..69a09444d46e 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -349,7 +349,7 @@ static void kvmppc_set_msr_pr(struct kvm_vcpu *vcpu, u64 msr) if (msr & MSR_POW) { if (!vcpu->arch.pending_exceptions) { kvm_vcpu_block(vcpu); - clear_bit(KVM_REQ_UNHALT, &vcpu->requests); + kvm_clear_request(KVM_REQ_UNHALT, vcpu); vcpu->stat.halt_wakeup++; /* Unset POW bit after we woke up */ diff --git a/arch/powerpc/kvm/book3s_pr_papr.c b/arch/powerpc/kvm/book3s_pr_papr.c index f102616febc7..bcbeeb62dd13 100644 --- a/arch/powerpc/kvm/book3s_pr_papr.c +++ b/arch/powerpc/kvm/book3s_pr_papr.c @@ -344,7 +344,7 @@ int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd) case H_CEDE: kvmppc_set_msr_fast(vcpu, kvmppc_get_msr(vcpu) | MSR_EE); kvm_vcpu_block(vcpu); - clear_bit(KVM_REQ_UNHALT, &vcpu->requests); + kvm_clear_request(KVM_REQ_UNHALT, vcpu); vcpu->stat.halt_wakeup++; return EMULATE_DONE; case H_LOGICAL_CI_LOAD: diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 3c296c2eacf8..3eaac3809977 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -584,7 +584,7 @@ static void arm_next_watchdog(struct kvm_vcpu *vcpu) * userspace, so clear the KVM_REQ_WATCHDOG request. */ if ((vcpu->arch.tsr & (TSR_ENW | TSR_WIS)) != (TSR_ENW | TSR_WIS)) - clear_bit(KVM_REQ_WATCHDOG, &vcpu->requests); + kvm_clear_request(KVM_REQ_WATCHDOG, vcpu); spin_lock_irqsave(&vcpu->arch.wdt_lock, flags); nr_jiffies = watchdog_next_timeout(vcpu); @@ -695,7 +695,7 @@ int kvmppc_core_prepare_to_enter(struct kvm_vcpu *vcpu) if (vcpu->arch.shared->msr & MSR_WE) { local_irq_enable(); kvm_vcpu_block(vcpu); - clear_bit(KVM_REQ_UNHALT, &vcpu->requests); + kvm_clear_request(KVM_REQ_UNHALT, vcpu); hard_irq_disable(); kvmppc_set_exit_type(vcpu, EMULATED_MTMSRWE_EXITS); diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index cf725c580fc5..1ee22a910074 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -233,7 +233,7 @@ int kvmppc_kvm_pv(struct kvm_vcpu *vcpu) case EV_HCALL_TOKEN(EV_IDLE): r = EV_SUCCESS; kvm_vcpu_block(vcpu); - clear_bit(KVM_REQ_UNHALT, &vcpu->requests); + kvm_clear_request(KVM_REQ_UNHALT, vcpu); break; default: r = EV_UNIMPLEMENTED; |