diff options
| author | Alexander Graf <agraf@suse.de> | 2012-07-31 00:19:50 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2012-10-05 23:38:41 +0200 |
| commit | 862d31f788f9a249f7656d02d8d4006e306108ce (patch) | |
| tree | 8e75005b5496a8418537f29a6e01e627498caf29 /arch/powerpc/kvm/booke.c | |
| parent | d69c6436443c05a64452054f51a79316297755f4 (diff) | |
| download | lwn-862d31f788f9a249f7656d02d8d4006e306108ce.tar.gz lwn-862d31f788f9a249f7656d02d8d4006e306108ce.zip | |
KVM: PPC: E500: Implement MMU notifiers
The e500 target has lived without mmu notifiers ever since it got
introduced, but fails for the user space check on them with hugetlbfs.
So in order to get that one working, implement mmu notifiers in a
reasonably dumb fashion and be happy. On embedded hardware, we almost
never end up with mmu notifier calls, since most people don't overcommit.
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm/booke.c')
| -rw-r--r-- | arch/powerpc/kvm/booke.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 70a86c0a9d85..52f6cbb4923e 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -459,6 +459,10 @@ static void kvmppc_check_requests(struct kvm_vcpu *vcpu) if (vcpu->requests) { if (kvm_check_request(KVM_REQ_PENDING_TIMER, vcpu)) update_timer_ints(vcpu); +#if defined(CONFIG_KVM_E500V2) || defined(CONFIG_KVM_E500MC) + if (kvm_check_request(KVM_REQ_TLB_FLUSH, vcpu)) + kvmppc_core_flush_tlb(vcpu); +#endif } } @@ -579,6 +583,8 @@ int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) #endif kvm_guest_exit(); + vcpu->mode = OUTSIDE_GUEST_MODE; + smp_wmb(); out: vcpu->mode = OUTSIDE_GUEST_MODE; |