[GIT PULL] x86/cpu changes for v5.6

[GIT PULL] x86/cpu changes for v5.6

[Ingo Molnar]

Linus,

Please pull the latest x86-cpu-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-cpu-for-linus

   # HEAD: 283bab9809786cf41798512f5c1e97f4b679ba96 x86/cpu: Remove redundant cpu_detect_cache_sizes() call

The biggest change in this cycle was a large series from Sean 
Christopherson to clean up the handling of VMX features. This both fixes 
bugs/inconsistencies and makes the code more coherent and future-proof.

There are also two cleanups and a minor TSX syslog messages enhancement.

 Thanks,

	Ingo

------------------>
Borislav Petkov (2):
      x86/bugs: Move enum taa_mitigations to bugs.c
      x86/cpu/tsx: Define pr_fmt()

Sean Christopherson (20):
      x86/msr-index: Clean up bit defines for IA32_FEATURE_CONTROL MSR
      selftests, kvm: Replace manual MSR defs with common msr-index.h
      tools/x86: Sync msr-index.h from kernel sources
      x86/intel: Initialize IA32_FEAT_CTL MSR at boot
      x86/mce: WARN once if IA32_FEAT_CTL MSR is left unlocked
      x86/centaur: Use common IA32_FEAT_CTL MSR initialization
      x86/zhaoxin: Use common IA32_FEAT_CTL MSR initialization
      x86/cpu: Clear VMX feature flag if VMX is not fully enabled
      x86/vmx: Introduce VMX_FEATURES_*
      x86/cpu: Detect VMX features on Intel, Centaur and Zhaoxin CPUs
      x86/cpu: Print VMX flags in /proc/cpuinfo using VMX_FEATURES_*
      x86/cpu: Set synthetic VMX cpufeatures during init_ia32_feat_ctl()
      x86/cpufeatures: Add flag to track whether MSR IA32_FEAT_CTL is configured
      KVM: VMX: Drop initialization of IA32_FEAT_CTL MSR
      KVM: VMX: Use VMX feature flag to query BIOS enabling
      KVM: VMX: Check for full VMX support when verifying CPU compatibility
      KVM: VMX: Use VMX_FEATURE_* flags to define VMCS control bits
      perf/x86: Provide stubs of KVM helpers for non-Intel CPUs
      KVM: VMX: Allow KVM_INTEL when building for Centaur and/or Zhaoxin CPUs
      x86/cpu: Print "VMX disabled" error message iff KVM is enabled

Tony W Wang-oc (1):
      x86/cpu: Remove redundant cpu_detect_cache_sizes() call

Re: [GIT PULL] x86/cpu changes for v5.6

[Linus Torvalds]

On Tue, Jan 28, 2020 at 9:57 AM Ingo Molnar <mingo@kernel.org> wrote:
>
>    git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-cpu-for-linus

No diffstat in the pull request?

The shortlog does match, and the diffstat I get looks sane, so I'm
pulling it, but please fix whatever thing that caused the diffstat to
not show in the email..

                 Linus

Re: [GIT PULL] x86/cpu changes for v5.6

[Ingo Molnar]

* Linus Torvalds <torvalds@linux-foundation.org> wrote:

> On Tue, Jan 28, 2020 at 9:57 AM Ingo Molnar <mingo@kernel.org> wrote:
> >
> >    git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-cpu-for-linus
> 
> No diffstat in the pull request?
> 
> The shortlog does match, and the diffstat I get looks sane, so I'm
> pulling it, but please fix whatever thing that caused the diffstat to
> not show in the email..
> 
>                  Linus

My bad: I erased the patch part manually and went too far accidentally. :-/

Just for the record, this looks good:

   commit c0275ae758f8ce72306da200b195d1e1d66d0a8d
   Merge: f6170f0afbe2 283bab980978
   Author: Linus Torvalds <torvalds@linux-foundation.org>
   Date:   Tue Jan 28 12:46:42 2020 -0800

And the missing diffstat is attached below.

Thanks,

	Ingo

=============>

 MAINTAINERS                                            |   2 +-
 arch/x86/Kconfig.cpu                                   |   8 ++
 arch/x86/boot/mkcpustr.c                               |   1 +
 arch/x86/include/asm/cpufeatures.h                     |   1 +
 arch/x86/include/asm/msr-index.h                       |  14 +--
 arch/x86/include/asm/perf_event.h                      |  22 +++--
 arch/x86/include/asm/processor.h                       |  11 +--
 arch/x86/include/asm/vmx.h                             | 105 ++++++++++----------
 arch/x86/include/asm/vmxfeatures.h                     |  86 ++++++++++++++++
 arch/x86/kernel/cpu/Makefile                           |   6 +-
 arch/x86/kernel/cpu/bugs.c                             |   7 ++
 arch/x86/kernel/cpu/centaur.c                          |  37 +------
 arch/x86/kernel/cpu/common.c                           |   3 +
 arch/x86/kernel/cpu/cpu.h                              |   4 +
 arch/x86/kernel/cpu/feat_ctl.c                         | 145 +++++++++++++++++++++++++++
 arch/x86/kernel/cpu/intel.c                            |  49 +--------
 arch/x86/kernel/cpu/mce/intel.c                        |  15 +--
 arch/x86/kernel/cpu/mkcapflags.sh                      |  15 ++-
 arch/x86/kernel/cpu/proc.c                             |  15 +++
 arch/x86/kernel/cpu/tsx.c                              |   5 +-
 arch/x86/kernel/cpu/zhaoxin.c                          |  37 +------
 arch/x86/kvm/Kconfig                                   |  10 +-
 arch/x86/kvm/vmx/nested.c                              |   4 +-
 arch/x86/kvm/vmx/vmx.c                                 |  67 ++++---------
 arch/x86/kvm/vmx/vmx.h                                 |   2 +-
 arch/x86/kvm/x86.c                                     |   2 +-
 drivers/idle/intel_idle.c                              |   2 +-
 tools/arch/x86/include/asm/msr-index.h                 |  14 +--
 tools/power/x86/turbostat/turbostat.c                  |   4 +-
 tools/testing/selftests/kvm/Makefile                   |   4 +-
 tools/testing/selftests/kvm/include/x86_64/processor.h | 726 +------------------------------------------------------------------------------------------------------------------------------------
 tools/testing/selftests/kvm/lib/x86_64/vmx.c           |   8 +-
 32 files changed, 432 insertions(+), 999 deletions(-)
 create mode 100644 arch/x86/include/asm/vmxfeatures.h
 create mode 100644 arch/x86/kernel/cpu/feat_ctl.c

Re: [GIT PULL] x86/cpu changes for v5.6

[pr-tracker-bot]

The pull request you sent on Tue, 28 Jan 2020 18:57:51 +0100:

> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-cpu-for-linus

has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/c0275ae758f8ce72306da200b195d1e1d66d0a8d

Thank you!

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