From mboxrd@z Thu Jan 1 00:00:00 1970 From: Randy Dunlap Subject: [PATCH -next] hwlat: depends on RING_BUFFER (build fix) Date: Mon, 22 Jun 2009 08:51:53 -0700 Message-ID: <4A3FA899.3040402@oracle.com> References: <20090622181920.496d160e.sfr@canb.auug.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-5 Content-Transfer-Encoding: 7bit Return-path: Received: from rcsinet11.oracle.com ([148.87.113.123]:27934 "EHLO rgminet11.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754325AbZFVPwu (ORCPT ); Mon, 22 Jun 2009 11:52:50 -0400 In-Reply-To: <20090622181920.496d160e.sfr@canb.auug.org.au> Sender: linux-next-owner@vger.kernel.org List-ID: To: Stephen Rothwell Cc: linux-next@vger.kernel.org, LKML , Jon Masters , Andrew Morton From: Randy Dunlap 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 Cc: Jon Masters --- 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/