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Date: Mon, 29 Dec 2014 08:45:36 -0500 From: Mimi Zohar <zohar@...ux.vnet.ibm.com> To: Christophe Fillot <cf@....fr> Cc: linux-ima-user@...ts.sourceforge.net, Rob Landley <rob@...dley.net>, linux-security-module <linux-security-module@...r.kernel.org>, linux-kernel <linux-kernel@...r.kernel.org> Subject: Re: [Linux-ima-user] Initramfs and IMA Appraisal On Thu, 2014-11-27 at 10:15 +0100, Christophe Fillot wrote: > > > > Are you using an initrd not an initramfs? According to > > Documentation/filesystems/ramfs-rootfs-initramfs.txt, "If > CONFIG_TMPFS > > is enabled, rootfs will use tmpfs instead of ramfs by default". > > > Yes, that what I thought too, but it seems that it is not really the > case because of this test: > > if (IS_ENABLED(CONFIG_TMPFS) && !saved_root_name[0] && > (!root_fs_names || strstr(root_fs_names, "tmpfs"))) { > err = shmem_init(); > is_tmpfs = true; > } else { > err = init_ramfs_fs(); > } [CC'ing Rob Landley, lsm, lkml] Thanks! "saved_root_name" is set to the boot command line "root=" option, which in my case is the UUID. I'm not sure why real root should impact the initramfs tmpfs/ramfs decision. Unless there is a good explanation, did you want to post a patch to remove the test? Mimi -- 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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