linux-kernel - [PATCH] Enable devtmpfs by default

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Message-ID: <20120723115414.724e0046@kryten>
Date:	Mon, 23 Jul 2012 11:54:14 +1000
From:	Anton Blanchard <anton@...ba.org>
To:	gregkh@...uxfoundation.org, kay@...y.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] Enable devtmpfs by default


udev now requires CONFIG_DEVTMPFS so make it default to y.

I noticed this when booting a ppc64 pseries_defconfig on Fedora 17
and it paniced because it couldn't mount the root device.

Signed-off-by: Anton Blanchard <anton@...ba.org>
---

Index: b/drivers/base/Kconfig
===================================================================
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -24,6 +24,7 @@ config UEVENT_HELPER_PATH
 config DEVTMPFS
 	bool "Maintain a devtmpfs filesystem to mount at /dev"
 	depends on HOTPLUG
+	default y
 	help
 	  This creates a tmpfs/ramfs filesystem instance early at bootup.
 	  In this filesystem, the kernel driver core maintains device
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