Messages in this thread | | | Subject | Re: [RFC 2/2] initramfs with digital signature protection | From | "H. Peter Anvin" <> | Date | Wed, 06 Feb 2013 08:41:23 -0800 |
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The cleanup is not a umount, it is actually a tree walk unlinking the contents.
"Kasatkin, Dmitry" <dmitry.kasatkin@intel.com> wrote:
>On Wed, Feb 6, 2013 at 7:04 AM, H. Peter Anvin <hpa@zytor.com> 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. >>
-- Sent from my mobile phone. Please excuse brevity and lack of formatting.
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