linux-kernel - [PULL 00/18] xtensa updates for v5.18

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Date:   Fri, 25 Mar 2022 08:48:48 -0700
From:   Max Filippov <jcmvbkbc@...il.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, linux-xtensa@...ux-xtensa.org,
        Chris Zankel <chris@...kel.net>,
        Max Filippov <jcmvbkbc@...il.com>
Subject: [PULL 00/18] xtensa updates for v5.18

Hi Linus,

please pull the following Xtensa updates for v5.18:

The following changes since commit ffb217a13a2eaf6d5bd974fc83036a53ca69f1e2:

  Linux 5.17-rc7 (2022-03-06 14:28:31 -0800)

are available in the Git repository at:

  git@...hub.com:jcmvbkbc/linux-xtensa.git tags/xtensa-20220325

(btw, I've noticed that github removed support for the unauthenticated
 git:// protocol. Should I send pull request URLs using ssh or https?)

for you to fetch changes up to 1c4664faa38923330d478f046dc743a00c1e2dec:

  xtensa: define update_mmu_tlb function (2022-03-22 09:45:09 -0700)

----------------------------------------------------------------
Xtensa updates for v5.18

- remove dependency on the compiler's libgcc
- allow selection of internal kernel ABI via Kconfig
- enable compiler plugins support for gcc-12 or newer
- various minor cleanups and fixes

----------------------------------------------------------------
Bjorn Helgaas (1):
      xtensa: Remove unused early_read_config_byte() et al declarations

Jason Wang (2):
      net: xtensa: use strscpy to copy strings
      xtensa: use strscpy to copy strings

Max Filippov (15):
      xtensa: rename PT_SIZE to PT_KERNEL_SIZE
      xtensa: use XCHAL_NUM_AREGS as pt_regs::areg size
      xtensa: add missing XCHAL_HAVE_WINDOWED check
      xtensa: add helpers for division, remainder and shifts
      xtensa: don't link with libgcc
      xtensa: add kernel ABI selection to Kconfig
      xtensa: make secondary reset vector support conditional
      xtensa: fix stop_machine_cpuslocked call in patch_text
      xtensa: fix DTC warning unit_address_format
      xtensa: merge stack alignment definitions
      xtensa: rearrange NMI exit path
      xtensa: clean up kernel exit assembly code
      xtensa: enable plugin support
      xtensa: fix xtensa_wsr always writing 0
      xtensa: define update_mmu_tlb function

 arch/xtensa/Kconfig                         |  48 ++++++++++
 arch/xtensa/Makefile                        |  10 +--
 arch/xtensa/boot/dts/xtfpga-flash-128m.dtsi |   8 +-
 arch/xtensa/boot/dts/xtfpga-flash-16m.dtsi  |   8 +-
 arch/xtensa/boot/dts/xtfpga-flash-4m.dtsi   |   4 +-
 arch/xtensa/include/asm/asmmacro.h          |  34 ++++++-
 arch/xtensa/include/asm/core.h              |   7 ++
 arch/xtensa/include/asm/pci-bridge.h        |   9 --
 arch/xtensa/include/asm/pgtable.h           |   4 +
 arch/xtensa/include/asm/processor.h         |  10 +--
 arch/xtensa/include/asm/ptrace.h            |   7 +-
 arch/xtensa/kernel/Makefile                 |   3 +-
 arch/xtensa/kernel/asm-offsets.c            |   2 +-
 arch/xtensa/kernel/entry.S                  |  75 ++++++++--------
 arch/xtensa/kernel/jump_label.c             |   2 +-
 arch/xtensa/kernel/mxhead.S                 |   2 +
 arch/xtensa/kernel/process.c                |  10 ---
 arch/xtensa/kernel/setup.c                  |  10 +--
 arch/xtensa/kernel/vectors.S                |   4 +-
 arch/xtensa/kernel/vmlinux.lds.S            |   4 +-
 arch/xtensa/kernel/xtensa_ksyms.c           |  14 ---
 arch/xtensa/lib/Makefile                    |   2 +
 arch/xtensa/lib/ashldi3.S                   |  28 ++++++
 arch/xtensa/lib/ashrdi3.S                   |  28 ++++++
 arch/xtensa/lib/divsi3.S                    |  74 ++++++++++++++++
 arch/xtensa/lib/lshrdi3.S                   |  28 ++++++
 arch/xtensa/lib/modsi3.S                    |  87 ++++++++++++++++++
 arch/xtensa/lib/mulsi3.S                    | 133 ++++++++++++++++++++++++++++
 arch/xtensa/lib/udivsi3.S                   |  68 ++++++++++++++
 arch/xtensa/lib/umodsi3.S                   |  57 ++++++++++++
 arch/xtensa/mm/tlb.c                        |   6 ++
 arch/xtensa/platforms/iss/network.c         |   4 +-
 32 files changed, 676 insertions(+), 114 deletions(-)
 create mode 100644 arch/xtensa/lib/ashldi3.S
 create mode 100644 arch/xtensa/lib/ashrdi3.S
 create mode 100644 arch/xtensa/lib/divsi3.S
 create mode 100644 arch/xtensa/lib/lshrdi3.S
 create mode 100644 arch/xtensa/lib/modsi3.S
 create mode 100644 arch/xtensa/lib/mulsi3.S
 create mode 100644 arch/xtensa/lib/udivsi3.S
 create mode 100644 arch/xtensa/lib/umodsi3.S

-- 
Thanks.
-- Max