5.4.194-rc1 review

This is the start of the stable review cycle for the 5.4.194 release. There are 18 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.

Responses should be made by Sun, 15 May 2022 14:22:19 +0000. Anything received after that time might be too late.

The whole patch series can be found in one patch at:

	https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.4.194-rc1.gz

or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
and the diffstat can be found below.

thanks,

greg k-h

-------------
Pseudo-Shortlog of commits:

Greg Kroah-Hartman <[email protected]>

    Linux 5.4.194-rc1

Muchun Song <[email protected]>
mm: userfaultfd: fix missing cache flush in mcopy_atomic_pte() and __mcopy_atomic()

Muchun Song <[email protected]>
mm: hugetlb: fix missing cache flush in copy_huge_page_from_user()

Muchun Song <[email protected]>
mm: fix missing cache flush for all tail pages of compound page

Itay Iellin <[email protected]>

    Bluetooth: Fix the creation of hdev->name

Kyle Huey <[email protected]>
KVM: x86/svm: Account for family 17h event renumberings in amd_pmc_perf_hw_id

Masami Hiramatsu <[email protected]>
x86: kprobes: Prohibit probing on instruction which has emulate prefix

Masami Hiramatsu <[email protected]>
x86: xen: insn: Decode Xen and KVM emulate-prefix signature

Masami Hiramatsu <[email protected]>
x86: xen: kvm: Gather the definition of emulate prefixes

Masami Hiramatsu <[email protected]>
x86/asm: Allow to pass macros to __ASM_FORM()

Like Xu <[email protected]>
KVM: x86/pmu: Refactoring find_arch_event() to pmc_perf_hw_id()

Mike Rapoport <[email protected]>
arm: remove CONFIG_ARCH_HAS_HOLES_MEMORYMODEL

Andreas Larsson <[email protected]>
can: grcan: only use the NAPI poll budget for RX

Andreas Larsson <[email protected]>
can: grcan: grcan_probe(): fix broken system id check for errata workaround needs

Nathan Chancellor <[email protected]>
nfp: bpf: silence bitwise vs. logical OR warning

Nathan Chancellor <[email protected]>
drm/i915: Cast remain to unsigned long in eb_relocate_vma

Lee Jones <[email protected]>
drm/amd/display/dc/gpio/gpio_service: Pass around correct dce_{version, environment} types

Lee Jones <[email protected]>
block: drbd: drbd_nl: Make conversion to 'enum drbd_ret_code' explicit

Nathan Chancellor <[email protected]>
MIPS: Use address-of operator on section symbols

-------------

Diffstat:

 Documentation/vm/memory-model.rst                  |  3 +-
 Makefile                                           |  4 +--
 arch/arm/Kconfig                                   |  8 ++---
 arch/arm/mach-bcm/Kconfig                          |  1 -
 arch/arm/mach-davinci/Kconfig                      |  1 -
 arch/arm/mach-exynos/Kconfig                       |  1 -
 arch/arm/mach-highbank/Kconfig                     |  1 -
 arch/arm/mach-omap2/Kconfig                        |  2 +-
 arch/arm/mach-s5pv210/Kconfig                      |  1 -
 arch/arm/mach-tango/Kconfig                        |  1 -
 arch/mips/bmips/setup.c                            |  2 +-
 arch/mips/lantiq/prom.c                            |  2 +-
 arch/mips/pic32/pic32mzda/init.c                   |  2 +-
 arch/mips/ralink/of.c                              |  2 +-
 arch/x86/include/asm/asm.h                         |  8 +++--
 arch/x86/include/asm/emulate_prefix.h              | 14 ++++++++
 arch/x86/include/asm/insn.h                        |  6 ++++
 arch/x86/include/asm/xen/interface.h               | 11 +++----
 arch/x86/kernel/kprobes/core.c                     |  4 +++
 arch/x86/kvm/pmu.c                                 |  8 +----
 arch/x86/kvm/pmu.h                                 |  3 +-
 arch/x86/kvm/pmu_amd.c                             | 36 ++++++++++++++++----
 arch/x86/kvm/vmx/pmu_intel.c                       |  9 ++---
 arch/x86/kvm/x86.c                                 |  4 ++-
 arch/x86/lib/insn.c                                | 34 +++++++++++++++++++
 drivers/block/drbd/drbd_nl.c                       | 13 +++++---
 drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c | 12 +++----
 .../amd/display/include/gpio_service_interface.h   |  4 +--
 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c     |  2 +-
 drivers/net/can/grcan.c                            | 38 ++++++++++------------
 drivers/net/ethernet/netronome/nfp/nfp_asm.c       |  4 +--
 fs/proc/kcore.c                                    |  2 --
 include/linux/mmzone.h                             | 31 ------------------
 include/net/bluetooth/hci_core.h                   |  3 ++
 mm/memory.c                                        |  2 ++
 mm/migrate.c                                       |  7 ++--
 mm/mmzone.c                                        | 14 --------
 mm/userfaultfd.c                                   |  3 ++
 mm/vmstat.c                                        |  4 ---
 net/bluetooth/hci_core.c                           |  6 ++--
 tools/arch/x86/include/asm/emulate_prefix.h        | 14 ++++++++
 tools/arch/x86/include/asm/insn.h                  |  6 ++++
 tools/arch/x86/lib/insn.c                          | 34 +++++++++++++++++++
 tools/objtool/sync-check.sh                        |  3 +-
 tools/perf/check-headers.sh                        |  3 +-
 45 files changed, 227 insertions(+), 146 deletions(-)