[PATCH 20/62] Driver-Core: disable /sbin/hotplug by default
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From: Greg Kroah-Hartman on 2 Mar 2010 19:00 From: Kay Sievers <kay.sievers(a)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(a)vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |