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Re: [kernel-hardening] [PATCH v5 06/10] arm64/mm: Disable section mappings if XPFO is enabled

From Tycho Andersen <tycho@docker.com>
Newsgroups linux.kernel
Subject Re: [kernel-hardening] [PATCH v5 06/10] arm64/mm: Disable section mappings if XPFO is enabled
Date 2017-08-12 00:00 +0200
Message-ID <udq8i-la-15@gated-at.bofh.it> (permalink)
References <ucFsJ-3Hw-3@gated-at.bofh.it> <ucFsJ-3Hw-11@gated-at.bofh.it> <udlUZ-6mk-19@gated-at.bofh.it> <udpvA-6M-21@gated-at.bofh.it>
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On Fri, Aug 11, 2017 at 03:13:02PM -0600, Tycho Andersen wrote:
> You're suggesting something like this instead? Seems to work fine.

And in fact, using this patch instead means that booting on 4k pages
works too... I guess because NO_BLOCK_MAPPINGS is looked at in a few
other places that matter too? Anyway, I'll use this patch instead,
thanks for the suggestion!

Tycho

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[PATCH v5 06/10] arm64/mm: Disable section mappings if XPFO is enabled Tycho Andersen <tycho@docker.com> - 2017-08-09 22:10 +0200
  Re: [kernel-hardening] [PATCH v5 06/10] arm64/mm: Disable section  mappings if XPFO is enabled Laura Abbott <labbott@redhat.com> - 2017-08-11 19:30 +0200
    Re: [kernel-hardening] [PATCH v5 06/10] arm64/mm: Disable section  mappings if XPFO is enabled Tycho Andersen <tycho@docker.com> - 2017-08-11 23:20 +0200
      Re: [kernel-hardening] [PATCH v5 06/10] arm64/mm: Disable section  mappings if XPFO is enabled Tycho Andersen <tycho@docker.com> - 2017-08-12 00:00 +0200
      Re: [kernel-hardening] [PATCH v5 06/10] arm64/mm: Disable section  mappings if XPFO is enabled Mark Rutland <mark.rutland@arm.com> - 2017-08-12 13:20 +0200
        Re: [kernel-hardening] [PATCH v5 06/10] arm64/mm: Disable section  mappings if XPFO is enabled Tycho Andersen <tycho@docker.com> - 2017-08-14 18:30 +0200
          Re: [kernel-hardening] [PATCH v5 06/10] arm64/mm: Disable section  mappings if XPFO is enabled Laura Abbott <labbott@redhat.com> - 2017-08-14 20:50 +0200
            Re: [kernel-hardening] [PATCH v5 06/10] arm64/mm: Disable section  mappings if XPFO is enabled Tycho Andersen <tycho@docker.com> - 2017-08-14 22:30 +0200

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