diff options
author | David Hildenbrand <david@redhat.com> | 2018-01-23 18:05:30 +0100 |
---|---|---|
committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2018-01-24 17:46:42 +0100 |
commit | 9daecfc66015530ee5d2d84cce5d341f0fffd0ab (patch) | |
tree | 2e9bed4b25ad34605050b19ed3d6ffab18f5a842 /arch | |
parent | ef8f4f49fcfa56f7399db9886fcbb89f9f92a340 (diff) | |
download | linux-9daecfc66015530ee5d2d84cce5d341f0fffd0ab.tar.bz2 |
KVM: s390: introduce and use kvm_s390_clear_cpuflags()
Use it just like kvm_s390_set_cpuflags().
Suggested-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180123170531.13687-4-david@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/s390/kvm/interrupt.c | 8 | ||||
-rw-r--r-- | arch/s390/kvm/kvm-s390.c | 11 | ||||
-rw-r--r-- | arch/s390/kvm/kvm-s390.h | 5 | ||||
-rw-r--r-- | arch/s390/kvm/priv.c | 2 | ||||
-rw-r--r-- | arch/s390/kvm/vsie.c | 2 |
5 files changed, 16 insertions, 12 deletions
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index 404a127b1921..8687aed9a268 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -111,7 +111,7 @@ static void sca_clear_ext_call(struct kvm_vcpu *vcpu) if (!kvm_s390_use_sca_entries()) return; - atomic_andnot(CPUSTAT_ECALL_PEND, &vcpu->arch.sie_block->cpuflags); + kvm_s390_clear_cpuflags(vcpu, CPUSTAT_ECALL_PEND); read_lock(&vcpu->kvm->arch.sca_lock); if (vcpu->kvm->arch.use_esca) { struct esca_block *sca = vcpu->kvm->arch.sca; @@ -283,14 +283,14 @@ static void __set_cpu_idle(struct kvm_vcpu *vcpu) static void __unset_cpu_idle(struct kvm_vcpu *vcpu) { - atomic_andnot(CPUSTAT_WAIT, &vcpu->arch.sie_block->cpuflags); + kvm_s390_clear_cpuflags(vcpu, CPUSTAT_WAIT); clear_bit(vcpu->vcpu_id, vcpu->kvm->arch.float_int.idle_mask); } static void __reset_intercept_indicators(struct kvm_vcpu *vcpu) { - atomic_andnot(CPUSTAT_IO_INT | CPUSTAT_EXT_INT | CPUSTAT_STOP_INT, - &vcpu->arch.sie_block->cpuflags); + kvm_s390_clear_cpuflags(vcpu, CPUSTAT_IO_INT | CPUSTAT_EXT_INT | + CPUSTAT_STOP_INT); vcpu->arch.sie_block->lctl = 0x0000; vcpu->arch.sie_block->ictl &= ~(ICTL_LPSW | ICTL_STCTL | ICTL_PINT); diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 9dc996acb52c..3eb97c4212cf 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -2340,7 +2340,7 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) vcpu->cpu = -1; if (vcpu->arch.cputm_enabled && !is_vcpu_idle(vcpu)) __stop_cpu_timer_accounting(vcpu); - atomic_andnot(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags); + kvm_s390_clear_cpuflags(vcpu, CPUSTAT_RUNNING); vcpu->arch.enabled_gmap = gmap_get_enabled(); gmap_disable(vcpu->arch.enabled_gmap); @@ -2827,14 +2827,14 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, if (dbg->control & KVM_GUESTDBG_USE_HW_BP) rc = kvm_s390_import_bp_data(vcpu, dbg); } else { - atomic_andnot(CPUSTAT_P, &vcpu->arch.sie_block->cpuflags); + kvm_s390_clear_cpuflags(vcpu, CPUSTAT_P); vcpu->arch.guestdbg.last_bp = 0; } if (rc) { vcpu->guest_debug = 0; kvm_s390_clear_bp_data(vcpu); - atomic_andnot(CPUSTAT_P, &vcpu->arch.sie_block->cpuflags); + kvm_s390_clear_cpuflags(vcpu, CPUSTAT_P); } return rc; @@ -2919,8 +2919,7 @@ retry: if (kvm_check_request(KVM_REQ_DISABLE_IBS, vcpu)) { if (ibs_enabled(vcpu)) { trace_kvm_s390_enable_disable_ibs(vcpu->vcpu_id, 0); - atomic_andnot(CPUSTAT_IBS, - &vcpu->arch.sie_block->cpuflags); + kvm_s390_clear_cpuflags(vcpu, CPUSTAT_IBS); } goto retry; } @@ -3564,7 +3563,7 @@ void kvm_s390_vcpu_start(struct kvm_vcpu *vcpu) __disable_ibs_on_all_vcpus(vcpu->kvm); } - atomic_andnot(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags); + kvm_s390_clear_cpuflags(vcpu, CPUSTAT_STOPPED); /* * Another VCPU might have used IBS while we were offline. * Let's play safe and flush the VCPU at startup. diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h index a9f2c8d1833d..f727313a706f 100644 --- a/arch/s390/kvm/kvm-s390.h +++ b/arch/s390/kvm/kvm-s390.h @@ -52,6 +52,11 @@ static inline void kvm_s390_set_cpuflags(struct kvm_vcpu *vcpu, u32 flags) atomic_or(flags, &vcpu->arch.sie_block->cpuflags); } +static inline void kvm_s390_clear_cpuflags(struct kvm_vcpu *vcpu, u32 flags) +{ + atomic_andnot(flags, &vcpu->arch.sie_block->cpuflags); +} + static inline int is_vcpu_stopped(struct kvm_vcpu *vcpu) { return atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_STOPPED; diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index dea0217922d6..8205223f7332 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -216,7 +216,7 @@ int kvm_s390_skey_check_enable(struct kvm_vcpu *vcpu) VCPU_EVENT(vcpu, 3, "enabling storage keys for guest: %d", rc); if (!rc) { if (atomic_read(&sie_block->cpuflags) & CPUSTAT_KSS) - atomic_andnot(CPUSTAT_KSS, &sie_block->cpuflags); + kvm_s390_clear_cpuflags(vcpu, CPUSTAT_KSS); else sie_block->ictl &= ~(ICTL_ISKE | ICTL_SSKE | ICTL_RRBE); diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c index 87b341639063..6d494ed5907e 100644 --- a/arch/s390/kvm/vsie.c +++ b/arch/s390/kvm/vsie.c @@ -935,7 +935,7 @@ static void register_shadow_scb(struct kvm_vcpu *vcpu, */ static void unregister_shadow_scb(struct kvm_vcpu *vcpu) { - atomic_andnot(CPUSTAT_WAIT, &vcpu->arch.sie_block->cpuflags); + kvm_s390_clear_cpuflags(vcpu, CPUSTAT_WAIT); WRITE_ONCE(vcpu->arch.vsie_block, NULL); } |