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author | Aaron Lewis <aaronlewis@google.com> | 2022-09-21 15:15:22 +0000 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-11-09 12:31:29 -0500 |
commit | db205f7e1edc8d8f0880f0218d3a03b13fe94af3 (patch) | |
tree | 7a8f9287b5b89d839660cef305079cca2b4f0e79 /include/uapi/linux/kvm.h | |
parent | KVM: x86: Disallow the use of KVM_MSR_FILTER_DEFAULT_ALLOW in the kernel (diff) | |
download | wireguard-linux-db205f7e1edc8d8f0880f0218d3a03b13fe94af3.tar.xz wireguard-linux-db205f7e1edc8d8f0880f0218d3a03b13fe94af3.zip |
KVM: x86: Add a VALID_MASK for the MSR exit reason flags
Add the mask KVM_MSR_EXIT_REASON_VALID_MASK for the MSR exit reason
flags. This simplifies checks that validate these flags, and makes it
easier to introduce new flags in the future.
No functional change intended.
Signed-off-by: Aaron Lewis <aaronlewis@google.com>
Message-Id: <20220921151525.904162-3-aaronlewis@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/uapi/linux/kvm.h')
-rw-r--r-- | include/uapi/linux/kvm.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index 0d5d4419139a..7fea12369245 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -485,6 +485,9 @@ struct kvm_run { #define KVM_MSR_EXIT_REASON_INVAL (1 << 0) #define KVM_MSR_EXIT_REASON_UNKNOWN (1 << 1) #define KVM_MSR_EXIT_REASON_FILTER (1 << 2) +#define KVM_MSR_EXIT_REASON_VALID_MASK (KVM_MSR_EXIT_REASON_INVAL | \ + KVM_MSR_EXIT_REASON_UNKNOWN | \ + KVM_MSR_EXIT_REASON_FILTER) __u32 reason; /* kernel -> user */ __u32 index; /* kernel -> user */ __u64 data; /* kernel <-> user */ |