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From: Andy Lutomirski <luto@kernel.org>
To: x86@kernel.org
Cc: linux-kernel@vger.kernel.org, Borislav Petkov <bp@alien8.de>,
	Brian Gerst <brgerst@gmail.com>,
	David Laight <David.Laight@aculab.com>,
	Kees Cook <keescook@chromium.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Andy Lutomirski <luto@kernel.org>
Subject: [RFC PTI 0/3] Clean up pgd handling and fix VSYSCALL and LDT
Date: Fri,  8 Dec 2017 11:59:08 -0800	[thread overview]
Message-ID: <cover.1512763129.git.luto@kernel.org> (raw)

This needs more testing, but here goes.

Andy Lutomirski (3):
  x86/pti: Vastly simplify pgd synchronization
  Revert "x86/mm/pti: Disable native VSYSCALL"
  x86/pti: Put the LDT in its own PGD if PTI is on

 Documentation/x86/x86_64/mm.txt         |  11 ++-
 arch/x86/Kconfig                        |   8 --
 arch/x86/include/asm/mmu_context.h      |  33 +++++++-
 arch/x86/include/asm/pgtable_64.h       |  74 +++++++----------
 arch/x86/include/asm/pgtable_64_types.h |   2 +
 arch/x86/include/asm/processor.h        |  23 ++++--
 arch/x86/kernel/ldt.c                   | 139 +++++++++++++++++++++++++++++---
 arch/x86/mm/pti.c                       |  52 +++---------
 8 files changed, 224 insertions(+), 118 deletions(-)

-- 
2.13.6

             reply	other threads:[~2017-12-08 19:59 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-08 19:59 Andy Lutomirski [this message]
2017-12-08 19:59 ` [RFC PTI 1/3] x86/pti: Vastly simplify pgd synchronization Andy Lutomirski
2017-12-08 20:17   ` Dave Hansen
2017-12-08 20:49     ` Andy Lutomirski
2017-12-08 20:48       ` Dave Hansen
2017-12-08 19:59 ` [RFC PTI 2/3] Revert "x86/mm/pti: Disable native VSYSCALL" Andy Lutomirski
2017-12-08 19:59 ` [RFC PTI 3/3] x86/pti: Put the LDT in its own PGD if PTI is on Andy Lutomirski
2017-12-08 21:48   ` Thomas Gleixner

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