Re: [PATCH 02/27] Add a SysRq option to lift kernel lockdown

[David Howells]

Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:

> > +config ALLOW_LOCKDOWN_LIFT
> > +	bool
> > +	help
> > +	  Allow the lockdown on a kernel to be lifted, thereby restoring the
> > +	  ability of userspace to access the kernel image (eg. by SysRq+x under
> 
> how about:                                                                on
> 
> > +	  x86).

I'll just get rid of this config option, I think - it doesn't make anything
available outside of lock_down.c.

> > +#ifdef CONFIG_ALLOW_LOCKDOWN_LIFT_BY_KEY
> 
> is that the same as: CONFIG_ALLOW_LOCKDOWN_LIFT_BY_SYSRQ ?
> tested?

My test machine doesn't have a physical keyboard attached, but you're right.

David