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-rw-r--r--share/man/man9/arch.97
1 files changed, 7 insertions, 0 deletions
diff --git a/share/man/man9/arch.9 b/share/man/man9/arch.9
index 3285208..adbc437 100644
--- a/share/man/man9/arch.9
+++ b/share/man/man9/arch.9
@@ -95,6 +95,13 @@ The macro
calls an internal function that fetches the
cpu_info structure for the BSP.
+The macro
+.Ft hint_spinwait()
+hints the processor that it is currently
+in a spin-wait loop. This greatly reduces the
+processor’s power consumption and improves
+the performance of the spin-wait loop.
+
The function these macros call must return a pointer
to a
.Ft cpu_info