From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932422AbXJLWUV (ORCPT ); Fri, 12 Oct 2007 18:20:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760975AbXJLWSF (ORCPT ); Fri, 12 Oct 2007 18:18:05 -0400 Received: from cantor2.suse.de ([195.135.220.15]:49600 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760796AbXJLWSA (ORCPT ); Fri, 12 Oct 2007 18:18:00 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Kay Sievers , Greg Kroah-Hartman Subject: [PATCH 05/75] Driver core: add CONFIG_UEVENT_HELPER_PATH Date: Fri, 12 Oct 2007 15:16:09 -0700 Message-Id: <11922274643370-git-send-email-gregkh@suse.de> X-Mailer: git-send-email 1.5.3.4 In-Reply-To: <11922274543490-git-send-email-gregkh@suse.de> References: \<20071012221251.GB4559@kroah.com\> <11922274393667-git-send-email-gregkh@suse.de> <11922274441634-git-send-email-gregkh@suse.de> <11922274503271-git-send-email-gregkh@suse.de> <11922274543490-git-send-email-gregkh@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Kay Sievers The kernel creates a process for every event that is send, even when there is no binary it could execute. We are needlessly creating around 200-300 failing processes during early bootup, until we have the chance to disable it from userspace. This change allows us to disable /sbin/hotplug entirely, if you want to, by setting UEVENT_HELPER_PATH="" in the kernel config. Signed-off-by: Kay Sievers Signed-off-by: Greg Kroah-Hartman --- drivers/base/Kconfig | 8 ++++++++ lib/kobject_uevent.c | 2 +- 2 files changed, 9 insertions(+), 1 deletions(-) diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig index 5d6312e..d7da109 100644 --- a/drivers/base/Kconfig +++ b/drivers/base/Kconfig @@ -1,5 +1,13 @@ menu "Generic Driver Options" +config UEVENT_HELPER_PATH + string "path to uevent helper" + depends on HOTPLUG + default "/sbin/hotplug" + help + Path to uevent helper program forked by the kernel for + every uevent. + config STANDALONE bool "Select only drivers that don't need compile-time external firmware" if EXPERIMENTAL default y diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c index 7d8aeb3..5ccda46 100644 --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -35,7 +35,7 @@ const char *kobject_actions[] = { #if defined(CONFIG_HOTPLUG) u64 uevent_seqnum; -char uevent_helper[UEVENT_HELPER_PATH_LEN] = "/sbin/hotplug"; +char uevent_helper[UEVENT_HELPER_PATH_LEN] = CONFIG_UEVENT_HELPER_PATH; static DEFINE_SPINLOCK(sequence_lock); #if defined(CONFIG_NET) static struct sock *uevent_sock; -- 1.5.3.4