[GIT PULL] Kernel lockdown for secure boot

[Matthew Garrett]

On Tue, Apr 3, 2018 at 5:15 PM Linus Torvalds
<torvalds at linux-foundation.org>
wrote:
> On Tue, Apr 3, 2018 at 5:10 PM, Matthew Garrett <mjg59 at google.com> wrote:
> >
> >> Exactly like EVERY OTHER KERNEL CONFIG OPTION.
> >
> > So your argument is that we should make the user experience worse?
Without
> > some sort of verified boot mechanism, lockdown is just security theater.
> > There's no good reason to enable it unless you have some mechanism for
> > verifying that you booted something you trust.

> Wow. Way to snip the rest of the email where I told you what the
> solution was. Let me repeat it here, since you so conveniently missed
> it and deleted it:

I ignored it because it's not a viable option. Part of the patchset
disables various kernel command line options. If there's a kernel command
line option that disables the patchset then it's pointless.
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