xnu-3248.60.10.tar.gz

[apple/xnu.git] / osfmk / kern / processor_data.h

diff --git a/osfmk/kern/processor_data.h b/osfmk/kern/processor_data.h
index da90d7b40492a45cac0c85b16c0ab242c097bb59..799a31dc71c97e3dff3554cc01a08ec7bc35bb57 100644 (file)
--- a/osfmk/kern/processor_data.h
+++ b/osfmk/kern/processor_data.h
@@ -60,11 +60,11 @@ struct processor_data {
        timer_data_t                    system_state;
        timer_data_t                    user_state;
 
-       timer_t                                 current_state;
+       timer_t                                 current_state; /* points to processor's idle, system, or user state timer */
 
        /* Thread execution timers */
-       timer_t                                 thread_timer;
-       timer_t                                 kernel_timer;
+       timer_t                                 thread_timer; /* points to current thread's user or system timer */
+       timer_t                                 kernel_timer; /* points to current thread's system_timer */
 
        /* Kernel stack cache */
        struct stack_cache {
@@ -81,6 +81,14 @@ struct processor_data {
                ipc_kmsg_t                              entries[IKM_STASH];
                unsigned int                    avail;
        }                                               ikm_cache;
+
+       /* waitq prepost cache */
+#define WQP_CACHE_MAX  50
+       struct wqp_cache {
+               uint64_t                head;
+               unsigned int            avail;
+       } wqp_cache;
+
        int                                             start_color;
        unsigned long                   page_grab_count;
        void                                    *free_pages;