From: Randy Dunlap <randy.dunlap@xxxxxxxxxx> hwlat_detector build fails because it uses ring_buffer interfaces without depending on RING_BUFFER. hwlat_detector.c:(.text+0x8d906): undefined reference to `ring_buffer_reset' hwlat_detector.c:(.text+0x8d98c): undefined reference to `ring_buffer_free' hwlat_detector.c:(.text+0x8dd16): undefined reference to `__ring_buffer_alloc' hwlat_detector.c:(.text+0x8df15): undefined reference to `ring_buffer_free' hwlat_detector.c:(.text+0x8e100): undefined reference to `ring_buffer_write' hwlat_detector.c:(.text+0x8e239): undefined reference to `ring_buffer_consume' hwlat_detector.c:(.text+0x8e2ac): undefined reference to `ring_buffer_event_data' Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx> Cc: Jon Masters <jcm@xxxxxxxxxxxxxx> --- drivers/misc/Kconfig | 1 + 1 file changed, 1 insertion(+) --- linux-next-20090622.orig/drivers/misc/Kconfig +++ linux-next-20090622/drivers/misc/Kconfig @@ -79,6 +79,7 @@ config IBM_ASM config HWLAT_DETECTOR tristate "Testing module to detect hardware-induced latencies" depends on DEBUG_FS + depends on RING_BUFFER default m ---help--- A simple hardware latency detector. Use this module to detect -- ~Randy LPC 2009, Sept. 23-25, Portland, Oregon http://linuxplumbersconf.org/2009/ -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
