rdrand: allow(unused_unsafe) when calling __cpuid

tarcieri · tarcieri · commit b2ea45fa00ed · 2025-12-27T08:14:26.000-07:00
This is currently a release blocker: #769
diff --git a/src/backends/rdrand.rs b/src/backends/rdrand.rs
@@ -77,10 +77,12 @@ fn is_rdrand_good() -> bool {
     {
         // SAFETY: All Rust x86 targets are new enough to have CPUID, and we
         // check that leaf 1 is supported before using it.
+        #[allow(unused_unsafe)]
         let cpuid0 = unsafe { arch::__cpuid(0) };
         if cpuid0.eax < 1 {
             return false;
         }
+        #[allow(unused_unsafe)]
         let cpuid1 = unsafe { arch::__cpuid(1) };
 
         let vendor_id = [

Original file line number	Diff line number	Diff line change
`@@ -77,10 +77,12 @@ fn is_rdrand_good() -> bool {`
`77`	`77`	`{`
`78`	`78`	`// SAFETY: All Rust x86 targets are new enough to have CPUID, and we`
`79`	`79`	`// check that leaf 1 is supported before using it.`
	`80`	`+ #[allow(unused_unsafe)]`
`80`	`81`	`let cpuid0 = unsafe { arch::__cpuid(0) };`
`81`	`82`	`if cpuid0.eax < 1 {`
`82`	`83`	`return false;`
`83`	`84`	`}`
	`85`	`+ #[allow(unused_unsafe)]`
`84`	`86`	`let cpuid1 = unsafe { arch::__cpuid(1) };`
`85`	`87`
`86`	`88`	`let vendor_id = [`