[GIT PULL] arch/nios2 updates for v5.1

[Ley Foon Tan <ley.foon.tan@intel.com>]

Hi Linus

Please pull the arch/nios2 updates below.
Most of updates are MMU related.

Thanks.

Regards
Ley Foon

The following changes since commit 1c163f4c7b3f621efff9b28a47abb36f7378d783:

  Linux 5.0 (2019-03-03 15:21:29 -0800)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2.git tags/nios2-v5.1-rc1

for you to fetch changes up to 21e6bff5e0ef0033d776e64c40e6873d7c75e74b:

  nios2: Fix update_mmu_cache preload the TLB with the new PTE (2019-03-07 06:00:48 +0800)

----------------------------------------------------------------
nios2 update for v5.1-rc1

nios2: Fix update_mmu_cache preload the TLB with the new PTE
nios2: update_mmu_cache preload the TLB with the new PTE
nios2: User address TLB flush break after finding the matching entry
nios2: flush_tlb_all use TLBMISC way auto-increment feature
nios2: improve readability of tlb functions
nios2: flush_tlb_mm flush only the pid
nios2: flush_tlb_pid can just restore TLBMISC once
nios2: TLBMISC writes do not require PID bits to be set
nios2: Use an invalid TLB entry address helper function
nios2: pte_clear does not need to flush TLB
nios2: flush_tlb_page use PID based flush
nios2: update_mmu_cache clear the old entry from the TLB
nios2: remove redundant 'default n' from Kconfig-s
nios2: ksyms: Add missing symbol exports

----------------------------------------------------------------
Bartlomiej Zolnierkiewicz (1):
      nios2: remove redundant 'default n' from Kconfig-s

Guenter Roeck (1):
      nios2: ksyms: Add missing symbol exports

Nicholas Piggin (12):
      nios2: update_mmu_cache clear the old entry from the TLB
      nios2: flush_tlb_page use PID based flush
      nios2: pte_clear does not need to flush TLB
      nios2: Use an invalid TLB entry address helper function
      nios2: TLBMISC writes do not require PID bits to be set
      nios2: flush_tlb_pid can just restore TLBMISC once
      nios2: flush_tlb_mm flush only the pid
      nios2: improve readability of tlb functions
      nios2: flush_tlb_all use TLBMISC way auto-increment feature
      nios2: User address TLB flush break after finding the matching entry
      nios2: update_mmu_cache preload the TLB with the new PTE
      nios2: Fix update_mmu_cache preload the TLB with the new PTE

 arch/nios2/Kconfig                   |   1 -
 arch/nios2/include/asm/pgtable.h     |   1 -
 arch/nios2/include/asm/tlbflush.h    |  19 +++-
 arch/nios2/kernel/nios2_ksyms.c      |  12 +++
 arch/nios2/mm/cacheflush.c           |   7 +-
 arch/nios2/mm/fault.c                |   2 +-
 arch/nios2/mm/tlb.c                  | 192 ++++++++++++++++++++---------------
 arch/nios2/platform/Kconfig.platform |   9 --
 8 files changed, 142 insertions(+), 101 deletions(-)