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hypervisor: kvm: drop the check for Cap::SignalMsi

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Per the KVM API document, that capability is only valid with in-kernel
irqchip that handles MSIs.

Through out the code base, there is no call to KVM_IOCTL_SIGNAL_MSI.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
This commit is contained in:
Wei Liu
2024-05-07 00:06:32 +00:00
committed by Rob Bradford
parent 95fd684ad7
commit 86cf50565e
2 changed files with 0 additions and 6 deletions
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3
hypervisor/src/kvm/aarch64/mod.rs
View File

@@ -106,9 +106,6 @@ pub fn is_system_register(regid: u64) -> bool {
}
pub fn check_required_kvm_extensions(kvm: &Kvm) -> KvmResult<()> {
if !kvm.check_extension(Cap::SignalMsi) {
return Err(KvmError::CapabilityMissing(Cap::SignalMsi));
}
if !kvm.check_extension(Cap::OneReg) {
return Err(KvmError::CapabilityMissing(Cap::OneReg));
}

3
hypervisor/src/kvm/x86_64/mod.rs
View File

@@ -32,9 +32,6 @@ pub use {
/// Check KVM extension for Linux
///
pub fn check_required_kvm_extensions(kvm: &Kvm) -> KvmResult<()> {
if !kvm.check_extension(Cap::SignalMsi) {
return Err(KvmError::CapabilityMissing(Cap::SignalMsi));
}
if !kvm.check_extension(Cap::TscDeadlineTimer) {
return Err(KvmError::CapabilityMissing(Cap::TscDeadlineTimer));
}