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authorThomas Zimmermann <tzimmermann@suse.de>2025-08-11 14:37:45 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2025-08-11 14:37:45 +0200
commit08c51f5bddc81c8c97c1eb11861b0dc009e5ccd8 (patch)
treee40424bafb75c8661afbdb55cfd52d7e0c133023 /include/uapi/linux/time.h
parent1bf30a45653d14b0d88b5ca3c72e0ecf030d9c88 (diff)
parent8f5ae30d69d7543eee0d70083daf4de8fe15d585 (diff)
Merge drm/drm-next into drm-misc-n
Updating drm-misc-next to the state of v6.17-rc1. Begins a new release cycle. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'include/uapi/linux/time.h')
-rw-r--r--include/uapi/linux/time.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/uapi/linux/time.h b/include/uapi/linux/time.h
index 4f4b6e48e01c..16ca1ac206fd 100644
--- a/include/uapi/linux/time.h
+++ b/include/uapi/linux/time.h
@@ -64,6 +64,17 @@ struct timezone {
#define CLOCK_TAI 11
#define MAX_CLOCKS 16
+
+/*
+ * AUX clock support. AUXiliary clocks are dynamically configured by
+ * enabling a clock ID. These clock can be steered independently of the
+ * core timekeeper. The kernel can support up to 8 auxiliary clocks, but
+ * the actual limit depends on eventual architecture constraints vs. VDSO.
+ */
+#define CLOCK_AUX MAX_CLOCKS
+#define MAX_AUX_CLOCKS 8
+#define CLOCK_AUX_LAST (CLOCK_AUX + MAX_AUX_CLOCKS - 1)
+
#define CLOCKS_MASK (CLOCK_REALTIME | CLOCK_MONOTONIC)
#define CLOCKS_MONO CLOCK_MONOTONIC