diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:18:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:19:04 +0200 |
| commit | 6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch) | |
| tree | 021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /arch/s390/kvm/intercept.c | |
| parent | 682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff) | |
| parent | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff) | |
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/s390/kvm/intercept.c')
| -rw-r--r-- | arch/s390/kvm/intercept.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c index 02434543eab..361456577c6 100644 --- a/arch/s390/kvm/intercept.c +++ b/arch/s390/kvm/intercept.c @@ -36,7 +36,7 @@ static int handle_lctlg(struct kvm_vcpu *vcpu) useraddr = disp2; if (base2) - useraddr += vcpu->arch.guest_gprs[base2]; + useraddr += vcpu->run->s.regs.gprs[base2]; if (useraddr & 7) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); @@ -75,7 +75,7 @@ static int handle_lctl(struct kvm_vcpu *vcpu) useraddr = disp2; if (base2) - useraddr += vcpu->arch.guest_gprs[base2]; + useraddr += vcpu->run->s.regs.gprs[base2]; if (useraddr & 3) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); @@ -133,13 +133,6 @@ static int handle_stop(struct kvm_vcpu *vcpu) vcpu->stat.exit_stop_request++; spin_lock_bh(&vcpu->arch.local_int.lock); - if (vcpu->arch.local_int.action_bits & ACTION_STORE_ON_STOP) { - vcpu->arch.local_int.action_bits &= ~ACTION_STORE_ON_STOP; - rc = kvm_s390_vcpu_store_status(vcpu, - KVM_S390_STORE_STATUS_NOADDR); - if (rc >= 0) - rc = -EOPNOTSUPP; - } if (vcpu->arch.local_int.action_bits & ACTION_RELOADVCPU_ON_STOP) { vcpu->arch.local_int.action_bits &= ~ACTION_RELOADVCPU_ON_STOP; @@ -155,7 +148,18 @@ static int handle_stop(struct kvm_vcpu *vcpu) rc = -EOPNOTSUPP; } - spin_unlock_bh(&vcpu->arch.local_int.lock); + if (vcpu->arch.local_int.action_bits & ACTION_STORE_ON_STOP) { + vcpu->arch.local_int.action_bits &= ~ACTION_STORE_ON_STOP; + /* store status must be called unlocked. Since local_int.lock + * only protects local_int.* and not guest memory we can give + * up the lock here */ + spin_unlock_bh(&vcpu->arch.local_int.lock); + rc = kvm_s390_vcpu_store_status(vcpu, + KVM_S390_STORE_STATUS_NOADDR); + if (rc >= 0) + rc = -EOPNOTSUPP; + } else + spin_unlock_bh(&vcpu->arch.local_int.lock); return rc; } |