ahcid: Yield instead of spin when waiting for interrupt

2022-11-27 11:45:50 -07:00
parent d42f626808
commit c3ddedafc4
1 changed files with 3 additions and 2 deletions
@@ -1,5 +1,6 @@
 use std::convert::TryInto;
 use std::ptr;
+use std::thread;

 use syscall::io::Dma;
 use syscall::error::Result;
@@ -109,7 +110,7 @@ impl DiskATA {
                    if use_interrupts {
                        return Ok(None);
                    } else {
-                        unsafe { pause(); }
+                        thread::yield_now();
                        continue;
                    }
                }
@@ -144,7 +145,7 @@ impl DiskATA {
                if use_interrupts {
                    return Ok(None);
                } else {
-                    unsafe { pause(); }
+                    thread::yield_now();
                    continue;
                }
            } else {