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From:   David Woodhouse <dwmw@amazon.co.uk>
To:     tglx@linutronix.de, karahmed@amazon.de, x86@kernel.org,
        kvm@vger.kernel.org, torvalds@linux-foundation.org,
        pbonzini@redhat.com, linux-kernel@vger.kernel.org, bp@alien8.de,
        peterz@infradead.org, jmattson@google.com, rkrcmar@redhat.com,
        arjan.van.de.ven@intel.com, dave.hansen@intel.com, mingo@kernel.org
Subject: [PATCH 0/4] Speculation control improvements
Date:   Wed, 14 Feb 2018 13:44:30 +0000
Message-Id: <1518615874-13806-1-git-send-email-dwmw@amazon.co.uk>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

A revised version of the dropped IBRS-firmware patch which now just
ignores the horrid hpwdt driver completely, and explicitly disables
preemption while IBRS is set.

Revised version of the IBRS_ALL patch with a typo fixed, revert another
broken bikeshedding patch, and add support for retpoline builds with
clang now that clang is fixed.

David Woodhouse (4):
  x86/speculation: Use IBRS if available before calling into firmware
  x86/speculation: Support "Enhanced IBRS" on future CPUs
  Revert "x86/retpoline: Simplify vmexit_fill_RSB()"
  x86/retpoline: Support retpoline build with Clang

 arch/x86/Makefile                     |   5 +-
 arch/x86/entry/entry_32.S             |   3 +-
 arch/x86/entry/entry_64.S             |   3 +-
 arch/x86/include/asm/apm.h            |   6 ++
 arch/x86/include/asm/asm-prototypes.h |   3 -
 arch/x86/include/asm/cpufeatures.h    |   1 +
 arch/x86/include/asm/efi.h            |  17 ++++-
 arch/x86/include/asm/nospec-branch.h  | 118 +++++++++++++++++++++++++++++-----
 arch/x86/kernel/cpu/bugs.c            |  26 +++++++-
 arch/x86/kvm/vmx.c                    |  31 +++++----
 arch/x86/lib/Makefile                 |   1 -
 arch/x86/lib/retpoline.S              |  56 ----------------
 include/linux/compiler-clang.h        |   5 ++
 include/linux/compiler-gcc.h          |   4 ++
 include/linux/init.h                  |   8 +--
 15 files changed, 185 insertions(+), 102 deletions(-)

-- 
2.7.4