fix

Author: tanish111

Cargo.lock

@@ -38,7 +38,8 @@ use core::arch::asm;
 use core::mem;
 use core::mem::MaybeUninit;
 use cpufeature::backend::CpuidBackend;
-use cpufeature::leaves::leaf_07::CET_SS;
+use cpufeature::leaves::CpuidFeature;
+use cpufeature::leaves::CET_SS;
 use syscall::GlobalFeatureFlags;
 
 #[cfg(debug_assertions)]
@@ -61,7 +62,17 @@ impl NativePlatform {
     }
 }
 
-impl CpuidBackend for NativePlatform {}
+impl CpuidBackend for NativePlatform {
+    fn cpuid(feature: &CpuidFeature) -> Option<cpufeature::backend::CpuidResult> {
+        let regs = CpuidResult::get(feature.leaf, feature.subleaf);
+        Some(cpufeature::backend::CpuidResult {
+            eax: regs.eax,
+            ebx: regs.ebx,
+            ecx: regs.ecx,
+            edx: regs.edx,
+        })
+    }
+}
 
 impl SvsmPlatform for NativePlatform {
     #[cfg(test)]
@@ -113,7 +124,7 @@ impl SvsmPlatform for NativePlatform {
     }
 
     fn determine_cet_support(&self) -> bool {
-        Self::cpuid_value(&CET_SS) != 0
+        Self::cpuid_value(&CET_SS).is_some_and(|v| v != 0)
     }
 
     fn capabilities(&self) -> Caps {

kernel/src/platform/native.rs

@@ -59,7 +59,7 @@ use core::ptr;
 use core::sync::atomic::{AtomicU32, Ordering};
 use cpufeature::backend::CpuidBackend;
 use cpufeature::leaves::CpuidFeature;
-use cpufeature::leaves::leaf_07::CET_SS;
+use cpufeature::leaves::CET_SS;
 
 static GHCB_IO_DRIVER: GHCBIOPort = GHCBIOPort::new();
 
@@ -287,7 +287,7 @@ impl SvsmPlatform for SnpPlatform {
     }
 
     fn determine_cet_support(&self) -> bool {
-        Self::cpuid_value(&CET_SS) != 0
+        Self::cpuid_value(&CET_SS).is_some_and(|v| v != 0)
     }
 
     fn capabilities(&self) -> Caps {