[GIT PULL] arm64: fixes for -rc6

[Will Deacon]

Hi Linus,

Please pull these two arm64 fixes for -rc6. They resolve a kernel NULL
dereference in kexec and bogus kernel page table dumping when userspace
is configured for 52-bit virtual addressing.

Cheers,

Will

--->8

The following changes since commit 8834f5600cf3c8db365e18a3d5cac2c2780c81e5:

  Linux 5.0-rc5 (2019-02-03 13:48:04 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git tags/arm64-fixes

for you to fetch changes up to ea5736805190e912903c27c9f17c7a4341a405e9:

  arm64: kexec_file: handle empty command-line (2019-02-05 09:34:49 +0000)

----------------------------------------------------------------
arm64 fixes for -rc6

- Fix kernel oops when attemping kexec_file() with a NULL cmdline

- Fix page table output in debugfs when CONFIG_ARM64_USER_VA_BITS_52=y

----------------------------------------------------------------
Jean-Philippe Brucker (1):
      arm64: kexec_file: handle empty command-line

Will Deacon (1):
      arm64: ptdump: Don't iterate kernel page tables using PTRS_PER_PXX

 arch/arm64/kernel/machine_kexec_file.c |  4 ++-
 arch/arm64/mm/dump.c                   | 59 +++++++++++++++++-----------------
 2 files changed, 32 insertions(+), 31 deletions(-)