* Arjan van de Ven <[email protected]> wrote:
> On 10/6/2015 2:54 AM, tip-bot for Stephen Smalley wrote:
> >Commit-ID: e1a58320a38dfa72be48a0f1a3a92273663ba6db
> >Gitweb:
> >http://git.kernel.org/tip/e1a58320a38dfa72be48a0f1a3a92273663ba6db
> >Author: Stephen Smalley <[email protected]>
> >AuthorDate: Mon, 5 Oct 2015 12:55:20 -0400
> >Committer: Ingo Molnar <[email protected]>
> >CommitDate: Tue, 6 Oct 2015 11:11:48 +0200
> >
> >x86/mm: Warn on W^X mappings
> >
> >Warn on any residual W+X mappings after setting NX
> >if DEBUG_WX is enabled. Introduce a separate
> >X86_PTDUMP_CORE config that enables the code for
> >dumping the page tables without enabling the debugfs
> >interface, so that DEBUG_WX can be enabled without
> >exposing the debugfs interface. Switch EFI_PGT_DUMP
> >to using X86_PTDUMP_CORE so that it also does not require
> >enabling the debugfs interface.
>
> I like it, so Acked-by: Arjan van de Ven <[email protected]>
>
> I also have/had an old userland script to do similar checks but using the
> debugfs interface... ... would that be useful to have somewhere more central?
>
> http://git.fenrus.org/tmp/i386-check-pagetables.pl
Sure, I think it could be put into tools/testing/selftests/x86/.
Thanks,
Ingo
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