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misc: Fix various clippy issues

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Assisted-by: Claude:Opus-4.7
Signed-off-by: Bo Chen <bchen@crusoe.ai>
This commit is contained in:
Bo Chen
2026-05-14 20:16:49 +00:00
committed by Bo Chen
parent e2cd6ff8c9
commit 3453eb6e86
7 changed files with 84 additions and 94 deletions
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90
arch/src/x86_64/mod.rs
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@@ -641,17 +641,16 @@ pub fn generate_common_cpuid(
// Update some existing CPUID
for entry in cpuid.as_mut_slice().iter_mut() {
#[allow(unused_unsafe)]
match entry.function {
// Clear AMX related bits if the AMX feature is not enabled
0x7 => {
if !config.amx {
if entry.index == 0 {
entry.edx &= !((1 << AMX_BF16) | (1 << AMX_TILE) | (1 << AMX_INT8));
}
if entry.index == 1 {
entry.eax &= !(1 << AMX_FP16);
entry.edx &= !(1 << AMX_COMPLEX);
}
0x7 if !config.amx => {
if entry.index == 0 {
entry.edx &= !((1 << AMX_BF16) | (1 << AMX_TILE) | (1 << AMX_INT8));
}
if entry.index == 1 {
entry.eax &= !(1 << AMX_FP16);
entry.edx &= !(1 << AMX_COMPLEX);
}
}
0xd =>
@@ -673,55 +672,46 @@ pub fn generate_common_cpuid(
}
}
}
0x1d => {
// Tile Information (purely AMX related).
if !config.amx {
entry.eax = 0;
entry.ebx = 0;
entry.ecx = 0;
entry.edx = 0;
}
// Tile Information (purely AMX related).
0x1d if !config.amx => {
entry.eax = 0;
entry.ebx = 0;
entry.ecx = 0;
entry.edx = 0;
}
0x1e => {
// TMUL information (purely AMX related)
if !config.amx {
entry.eax = 0;
entry.ebx = 0;
entry.ecx = 0;
entry.edx = 0;
}
// TMUL information (purely AMX related)
0x1e if !config.amx => {
entry.eax = 0;
entry.ebx = 0;
entry.ecx = 0;
entry.edx = 0;
}
// Copy host L1 cache details if not populated by KVM
0x8000_0005 => {
if entry.eax == 0 && entry.ebx == 0 && entry.ecx == 0 && entry.edx == 0 {
#[allow(unused_unsafe)]
0x8000_0005
if entry.eax == 0 && entry.ebx == 0 && entry.ecx == 0 && entry.edx == 0
// SAFETY: cpuid called with valid leaves
if unsafe { std::arch::x86_64::__cpuid(0x8000_0000).eax } >= 0x8000_0005 {
// SAFETY: cpuid called with valid leaves
let leaf = unsafe { std::arch::x86_64::__cpuid(0x8000_0005) };
entry.eax = leaf.eax;
entry.ebx = leaf.ebx;
entry.ecx = leaf.ecx;
entry.edx = leaf.edx;
}
}
&& unsafe { std::arch::x86_64::__cpuid(0x8000_0000).eax } >= 0x8000_0005 =>
{
// SAFETY: cpuid called with valid leaves
let leaf = unsafe { std::arch::x86_64::__cpuid(0x8000_0005) };
entry.eax = leaf.eax;
entry.ebx = leaf.ebx;
entry.ecx = leaf.ecx;
entry.edx = leaf.edx;
}
// Copy host L2 cache details if not populated by KVM
0x8000_0006 => {
if entry.eax == 0 && entry.ebx == 0 && entry.ecx == 0 && entry.edx == 0 {
#[allow(unused_unsafe)]
0x8000_0006
if entry.eax == 0 && entry.ebx == 0 && entry.ecx == 0 && entry.edx == 0
// SAFETY: cpuid called with valid leaves
if unsafe { std::arch::x86_64::__cpuid(0x8000_0000).eax } >= 0x8000_0006 {
#[allow(unused_unsafe)]
// SAFETY: cpuid called with valid leaves
let leaf = unsafe { std::arch::x86_64::__cpuid(0x8000_0006) };
entry.eax = leaf.eax;
entry.ebx = leaf.ebx;
entry.ecx = leaf.ecx;
entry.edx = leaf.edx;
}
}
&& unsafe { std::arch::x86_64::__cpuid(0x8000_0000).eax } >= 0x8000_0006 =>
{
// SAFETY: cpuid called with valid leaves
let leaf = unsafe { std::arch::x86_64::__cpuid(0x8000_0006) };
entry.eax = leaf.eax;
entry.ebx = leaf.ebx;
entry.ecx = leaf.ecx;
entry.edx = leaf.edx;
}
// Set CPU physical bits
0x8000_0008 => {