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| author | Paolo Bonzini <pbonzini@redhat.com> | 2018-08-22 14:07:56 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-08-22 14:07:56 +0200 |
| commit | 631989303b06b8fdb15ec3b88aee2d25e80d4cec (patch) | |
| tree | 25c00dc9392cb7b25e5c9355a6176f6f4be36924 /arch/arm/kvm/guest.c | |
| parent | ad1d69735878a6bf797705b5d2a20316d35e1113 (diff) | |
| parent | 976d34e2dab10ece5ea8fe7090b7692913f89084 (diff) | |
| download | linux-stable-631989303b06b8fdb15ec3b88aee2d25e80d4cec.tar.gz linux-stable-631989303b06b8fdb15ec3b88aee2d25e80d4cec.tar.bz2 linux-stable-631989303b06b8fdb15ec3b88aee2d25e80d4cec.zip | |
Merge tag 'kvmarm-for-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm updates for 4.19
- Support for Group0 interrupts in guests
- Cache management optimizations for ARMv8.4 systems
- Userspace interface for RAS, allowing error retrival and injection
- Fault path optimization
- Emulated physical timer fixes
- Random cleanups
Diffstat (limited to 'arch/arm/kvm/guest.c')
| -rw-r--r-- | arch/arm/kvm/guest.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/kvm/guest.c b/arch/arm/kvm/guest.c index a18f33edc471..2b8de885b2bf 100644 --- a/arch/arm/kvm/guest.c +++ b/arch/arm/kvm/guest.c @@ -261,6 +261,29 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, return -EINVAL; } + +int __kvm_arm_vcpu_get_events(struct kvm_vcpu *vcpu, + struct kvm_vcpu_events *events) +{ + events->exception.serror_pending = !!(*vcpu_hcr(vcpu) & HCR_VA); + + return 0; +} + +int __kvm_arm_vcpu_set_events(struct kvm_vcpu *vcpu, + struct kvm_vcpu_events *events) +{ + bool serror_pending = events->exception.serror_pending; + bool has_esr = events->exception.serror_has_esr; + + if (serror_pending && has_esr) + return -EINVAL; + else if (serror_pending) + kvm_inject_vabt(vcpu); + + return 0; +} + int __attribute_const__ kvm_target_cpu(void) { switch (read_cpuid_part()) { |