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Message-ID: <20070927203922.GA15477@lst.de> Date: Thu, 27 Sep 2007 22:39:22 +0200 From: Christoph Hellwig <hch@....de> To: Greg KH <greg@...ah.com> Cc: jblunck@...e.de, linux-kernel@...r.kernel.org, viro@...iv.linux.org.uk, hch@....de, agruen@...e.de, tiwai@...e.de Subject: Re: [patch 02/10] Dont touch fs_struct in usermodehelper On Thu, Sep 27, 2007 at 10:46:04AM -0700, Greg KH wrote: > On Thu, Sep 27, 2007 at 04:12:02PM +0200, jblunck@...e.de wrote: > > This test seems to be unnecessary since we always have rootfs mounted before > > calling a usermodehelper. > > Are you sure this is true? I thought we called the usermode helper for > hotplug _very_ early in the boot sequence when the device tree starts to > get populated. rootfs is mounted by init_mount_tree, and curret->fs is set up for init there aswell. This is called by mnt_init, which is called by vfs_caches_init, which is called by start_kernel far before we go to rest_init which finally creates a thread to call kernel_init which then calls do_basic_setup which calls do_initcalls to initialize drivers and afterwards runs the initrd/initramfs. While the actual function names in main.c changed quite a bit we've initialized the initial namespace very early on since the 2.5 days. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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