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hypervisor: mshv: get_msr_list return vector instead fam-wrapper

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New MSHV version updates the get_msr_list output as
vector instead of fam-wrapper. It avoids unnecessary
conversions.

Signed-off-by: Muminul Islam <muislam@microsoft.com>
This commit is contained in:
Muminul Islam
2025-04-24 09:07:27 -07:00
committed by Muminul Islam Russell
parent c58c686f3e
commit 4af98f4cb2
1 changed files with 3 additions and 5 deletions
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8
hypervisor/src/mshv/mod.rs
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@@ -262,7 +262,7 @@ impl MshvHypervisor {
/// ///
/// Retrieve the list of MSRs supported by MSHV. /// Retrieve the list of MSRs supported by MSHV.
/// ///
fn get_msr_list(&self) -> hypervisor::Result<MsrList> { fn get_msr_list(&self) -> hypervisor::Result<Vec<u32>> {
self.mshv self.mshv
.get_msr_index_list() .get_msr_index_list()
.map_err(|e| hypervisor::HypervisorError::GetMsrList(e.into())) .map_err(|e| hypervisor::HypervisorError::GetMsrList(e.into()))
@@ -347,15 +347,13 @@ impl MshvHypervisor {
#[cfg(target_arch = "x86_64")] #[cfg(target_arch = "x86_64")]
{ {
let msr_list = self.get_msr_list()?; let msr_list = self.get_msr_list()?;
let num_msrs = msr_list.as_fam_struct_ref().nmsrs as usize;
let mut msrs: Vec<MsrEntry> = vec![ let mut msrs: Vec<MsrEntry> = vec![
MsrEntry { MsrEntry {
..Default::default() ..Default::default()
}; };
num_msrs msr_list.len()
]; ];
let indices = msr_list.as_slice(); for (pos, index) in msr_list.iter().enumerate() {
for (pos, index) in indices.iter().enumerate() {
msrs[pos].index = *index; msrs[pos].index = *index;
} }