Messages in this thread | | | Date | Sat, 14 Jul 2018 07:09:09 +0200 | From | Joerg Roedel <> | Subject | Re: [PATCH 39/39] x86/entry/32: Add debug code to check entry/exit cr3 |
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On Fri, Jul 13, 2018 at 10:28:50AM -0700, Andy Lutomirski wrote: > On Wed, Jul 11, 2018 at 4:29 AM, Joerg Roedel <joro@8bytes.org> wrote: > > From: Joerg Roedel <jroedel@suse.de> > > > > 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?
Makes sense, I'll change it.
Regards,
Joerg
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