linux-kernel - [GIT PULL] x86/urgent for 5.8-rc3

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Message-ID: <20200628144319.GD18884@zn.tnic>
Date:   Sun, 28 Jun 2020 16:43:19 +0200
From:   Borislav Petkov <bp@...e.de>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     x86-ml <x86@...nel.org>, lkml <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] x86/urgent for 5.8-rc3

Hi Linus,

please pull the x86/urgent pile which has nothing but clear fixes.

Thx.

---
The following changes since commit b3a9e3b9622ae10064826dccb4f7a52bd88c7407:

  Linux 5.8-rc1 (2020-06-14 12:45:04 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/x86_urgent_for_5.8_rc3

for you to fetch changes up to bb5570ad3b54e7930997aec76ab68256d5236d94:

  x86/asm/64: Align start of __clear_user() loop to 16-bytes (2020-06-19 18:32:11 +0200)

----------------------------------------------------------------
* AMD Memory bandwidth counter width fix, by Babu Moger.

* Use the proper length type in the 32-bit truncate() syscall variant,
by Jiri Slaby.

* Reinit IA32_FEAT_CTL during wakeup to fix the case where after
resume, VMXON would #GP due to VMX not being properly enabled, by Sean
Christopherson.

* Fix a static checker warning in the resctrl code, by Dan Carpenter.

* Add a CR4 pinning mask for bits which cannot change after boot, by
Kees Cook.

* Align the start of the loop of __clear_user() to 16 bytes, to improve
performance on AMD zen1 and zen2 microarchitectures, by Matt Fleming.

----------------------------------------------------------------
Babu Moger (1):
      x86/resctrl: Fix memory bandwidth counter width for AMD

Dan Carpenter (1):
      x86/resctrl: Fix a NULL vs IS_ERR() static checker warning in rdt_cdp_peer_get()

Jiri Slaby (1):
      syscalls: Fix offset type of ksys_ftruncate()

Kees Cook (1):
      x86/cpu: Use pinning mask for CR4 bits needing to be 0

Matt Fleming (1):
      x86/asm/64: Align start of __clear_user() loop to 16-bytes

Sean Christopherson (1):
      x86/cpu: Reinitialize IA32_FEAT_CTL MSR on BSP during wakeup

 arch/x86/include/asm/cpu.h             |  5 +++++
 arch/x86/kernel/cpu/centaur.c          |  1 +
 arch/x86/kernel/cpu/common.c           | 24 ++++++++++++------------
 arch/x86/kernel/cpu/cpu.h              |  4 ----
 arch/x86/kernel/cpu/resctrl/core.c     |  8 ++++----
 arch/x86/kernel/cpu/resctrl/internal.h |  1 +
 arch/x86/kernel/cpu/resctrl/rdtgroup.c |  1 +
 arch/x86/kernel/cpu/zhaoxin.c          |  1 +
 arch/x86/lib/usercopy_64.c             |  1 +
 arch/x86/power/cpu.c                   |  6 ++++++
 include/linux/syscalls.h               |  2 +-
 11 files changed, 33 insertions(+), 21 deletions(-)

-- 
Regards/Gruss,
    Boris.

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