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hypervisor: mshv: Don't unregister ioevent in case of SEV-SNP guest

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Since we don't register ioevents in case of SEV-SNP guests. Thus, we
should not unregister it as well.

Signed-off-by: Jinank Jain <jinankjain@microsoft.com>
This commit is contained in:
Jinank Jain 2024-02-20 18:48:18 +05:30 committed by Bo Chen
parent 927df4e643
commit 9b722bbcf6
1 changed files with 5 additions and 0 deletions
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5
hypervisor/src/mshv/mod.rs
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@ -1622,6 +1622,11 @@ impl vm::Vm for MshvVm {
/// Unregister an event from a certain address it has been previously registered to. /// Unregister an event from a certain address it has been previously registered to.
fn unregister_ioevent(&self, fd: &EventFd, addr: &IoEventAddress) -> vm::Result<()> { fn unregister_ioevent(&self, fd: &EventFd, addr: &IoEventAddress) -> vm::Result<()> {
#[cfg(feature = "sev_snp")]
if self.sev_snp_enabled {
return Ok(());
}
let addr = &mshv_ioctls::IoEventAddress::from(*addr); let addr = &mshv_ioctls::IoEventAddress::from(*addr);
debug!("unregister_ioevent fd {} addr {:x?}", fd.as_raw_fd(), addr); debug!("unregister_ioevent fd {} addr {:x?}", fd.as_raw_fd(), addr);