ARC updates for 5.13-rc2

[Vineet Gupta]

Hi Linus,

A bunch of fixes for ARC for 5.13 cycle.
Please pull !

Thx,
-Vineet

----------------------->
The following changes since commit 6efb943b8616ec53a5e444193dccf1af9ad627b5:

   Linux 5.13-rc1 (2021-05-09 14:17:44 -0700)

are available in the Git repository at:

   git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc.git/ 
tags/arc-5.13-rc2

for you to fetch changes up to 1d5e4640e5df15252398c1b621f6bd432f2d7f17:

   ARC: mm: Use max_high_pfn as a HIGHMEM zone border (2021-05-10 
12:38:59 -0700)

----------------------------------------------------------------
ARC updates for 5.13-rc2

  - PAE fixes

  - syscall num check off-by-one bug

  - miscll fixes

----------------------------------------------------------------
Bhaskar Chowdhury (1):
       arc: Fix typos/spellos

Randy Dunlap (1):
       ARC: kgdb: add 'fallthrough' to prevent a warning

Vineet Gupta (1):
       ARC: entry: fix off-by-one error in syscall number validation

Vladimir Isaev (2):
       ARC: mm: PAE: use 40-bit physical page mask
       ARC: mm: Use max_high_pfn as a HIGHMEM zone border

  arch/arc/Makefile                |  2 +-
  arch/arc/include/asm/cmpxchg.h   |  4 ++--
  arch/arc/include/asm/page.h      | 12 ++++++++++++
  arch/arc/include/asm/pgtable.h   | 12 +++---------
  arch/arc/include/uapi/asm/page.h |  1 -
  arch/arc/kernel/entry.S          |  4 ++--
  arch/arc/kernel/kgdb.c           |  1 +
  arch/arc/kernel/process.c        |  8 ++++----
  arch/arc/kernel/signal.c         |  4 ++--
  arch/arc/mm/init.c               | 11 ++++++++++-
  arch/arc/mm/ioremap.c            |  5 +++--
  arch/arc/mm/tlb.c                |  2 +-
  12 files changed, 41 insertions(+), 25 deletions(-)