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Diffstat (limited to 'share/man/man9/arch.9')
| -rw-r--r-- | share/man/man9/arch.9 | 7 |
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 |