Re: [PATCH 39/39] x86/entry/32: Add debug code to check entry/exit cr3

[Andy Lutomirski]

On Wed, Jul 11, 2018 at 4:29 AM, Joerg Roedel <joro@xxxxxxxxxx> wrote:
> From: Joerg Roedel <jroedel@xxxxxxx>
>
> Add a config option that enabled code to check that we enter
> and leave the kernel with the correct cr3. This is needed
> because we have no NX protection of user-addresses in the
> kernel-cr3 on x86-32 and wouldn't notice that type of bug
> otherwise.
>

I like this, but could you make it just use CONFIG_DEBUG_ENTRY?

--Andy