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SubjectRe: [RFC 2/2] initramfs with digital signature protection
On Wed, Feb 6, 2013 at 7:04 AM, H. Peter Anvin <> wrote:
> On 02/05/2013 02:09 PM, Kasatkin, Dmitry wrote:
>> It should not be like that. Actually when pre-init exits, cleanup code
>> umount tmpfs, which in turn cleanups the RAM.
> It doesn't quite... the rootfs is permanent. This is also only one usage
> mode: there are quite a few Linux systems running directly out of initramfs.

rootfs is not permanent when it is ramfs. It is cleaned up on switch root.
It is easy to find out that it is empty by mounting : mount -t ramfs
rootfs /mnt/

In the case of running from normal storage, of course, there is
ridicules remove the content.

- Dmitry

> -hpa
> --
> H. Peter Anvin, Intel Open Source Technology Center
> I work for Intel. I don't speak on their behalf.

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