| From | Greg Kroah-Hartman <> | Subject | [PATCH 20/62] Driver-Core: disable /sbin/hotplug by default | Date | Tue, 2 Mar 2010 15:28:19 -0800 |
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From: Kay Sievers <kay.sievers@vrfy.org>
No recent mainstream system uses the /sbin/hotplug fork-bomb any more. Disable it by default to reflect how it is used these days.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> --- drivers/base/Kconfig | 10 +++++++++- 1 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig index 8497ce9..338f0bf 100644 --- a/drivers/base/Kconfig +++ b/drivers/base/Kconfig @@ -3,10 +3,18 @@ menu "Generic Driver Options" config UEVENT_HELPER_PATH string "path to uevent helper" depends on HOTPLUG - default "/sbin/hotplug" + default "" help Path to uevent helper program forked by the kernel for every uevent. + Before the switch to the netlink-based uevent source, this was + used to hook hotplug scripts into kernel device events. It + usually pointed to a shell script at /sbin/hotplug. + This should not be used today, because usual systems create + many events at bootup or device discovery in a very short time + frame. One forked process per event can create so many processes + that it creates a high system load, or on smaller systems + it is known to create out-of-memory situations during bootup. config DEVTMPFS bool "Maintain a devtmpfs filesystem to mount at /dev" -- 1.7.0.1
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