[PATCH] ARM: 2760/1: Add a warning on dynamic tick timekeeping on some platforms

[linux-2.6-omap-h63xx.git] / arch / arm / Kconfig

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c8d94dcd8ef7daed544f14d5ac2db98c0236c952..620f2ca94ed27390640abe911f0ab4a4bca20a1e 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -361,6 +361,11 @@ config NO_IDLE_HZ
          Alternatively, if you want dynamic tick automatically enabled
          during boot, pass "dyntick=enable" via the kernel command string.
 
+         Please note that dynamic tick may affect the accuracy of
+         timekeeping on some platforms depending on the implementation.
+         Currently at least OMAP platform is known to have accurate
+         timekeeping with dynamic tick.
+
 config ARCH_DISCONTIGMEM_ENABLE
        bool
        default (ARCH_LH7A40X && !LH7A40X_CONTIGMEM)