[GIT PULL] x86/misc updates for v5.10

[Borislav Petkov]

Hi Linus,

please pull some miscellaneous fixes.

Thx.

---

The following changes since commit 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5:

  Linux 5.9-rc1 (2020-08-16 13:04:57 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/x86_misc_for_v5.10

for you to fetch changes up to f94c91f7ba3ba7de2bc8aa31be28e1abb22f849e:

  x86/nmi: Fix nmi_handle() duration miscalculation (2020-10-01 14:42:08 +0200)

----------------------------------------------------------------
* Ratelimit the message about writes to unrecognized MSRs so that they
don't spam the console log, by Chris Down.

* Document how the /proc/cpuinfo machinery works for future reference,
by Kyung Min Park, Ricardo Neri and Dave Hansen.

* Correct the current NMI's duration calculation, by Libing Zhou.

----------------------------------------------------------------
Chris Down (2):
      x86/msr: Prevent userspace MSR access from dominating the console
      x86/msr: Make source of unrecognised MSR writes unambiguous

Kyung Min Park (1):
      Documentation/x86: Add documentation for /proc/cpuinfo feature flags

Libing Zhou (1):
      x86/nmi: Fix nmi_handle() duration miscalculation

 Documentation/x86/cpuinfo.rst | 155 ++++++++++++++++++++++++++++++++++++++++++
 Documentation/x86/index.rst   |   1 +
 arch/x86/kernel/msr.c         |  18 ++++-
 arch/x86/kernel/nmi.c         |   5 +-
 4 files changed, 173 insertions(+), 6 deletions(-)
 create mode 100644 Documentation/x86/cpuinfo.rst
-- 
Regards/Gruss,
    Boris.

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