arm64 fixes for 5.9-rc2

Hi Linus,

Please pull the arm64 updates below. Thanks.

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/arm64/linux tags/arm64-fixes

for you to fetch changes up to 8d75785a814241587802655cc33e384230744f0c:

ARM64: vdso32: Install vdso32 from vdso_install (2020-08-21 19:11:44 +0100)

----------------------------------------------------------------
- Allow booting of late secondary CPUs affected by erratum 1418040 (currently they are parked if none of the early CPUs are affected by this erratum).

- Add the 32-bit vdso Makefile to the vdso_install rule so that 'make vdso_install' installs the 32-bit compat vdso when it is compiled.

- Print a warning that untrusted guests without a CPU erratum workaround (Cortex-A57 832075) may deadlock the affected system.

----------------------------------------------------------------
Marc Zyngier (2):
arm64: Move handling of erratum 1418040 into C code
arm64: Allow booting of late CPUs affected by erratum 1418040

Rob Herring (1):
KVM: arm64: Print warning when cpu erratum can cause guests to deadlock

Stephen Boyd (1):
ARM64: vdso32: Install vdso32 from vdso_install

 arch/arm64/Makefile               |  1 +
 arch/arm64/kernel/cpu_errata.c    |  2 ++
 arch/arm64/kernel/entry.S         | 21 ---------------------
 arch/arm64/kernel/process.c       | 34 ++++++++++++++++++++++++++++++++++
 arch/arm64/kernel/vdso32/Makefile |  2 +-
 arch/arm64/kvm/arm.c              |  4 ++++
 6 files changed, 42 insertions(+), 22 deletions(-)

Catalin