linux-kernel - [PATCH v3 00/13] OpenRISC misc cleanups for 5.19

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Date:   Sat, 21 May 2022 22:13:10 +0900
From:   Stafford Horne <shorne@...il.com>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Openrisc <openrisc@...ts.librecores.org>,
        Stafford Horne <shorne@...il.com>
Subject: [PATCH v3 00/13] OpenRISC misc cleanups for 5.19

This is a collection of misc cleanups I have accumulated when working on some
recent OpenRISC projects.

The patch themes:
 - Sparse warning cleanups
 - Removal of dead code
 - Emergency debug fixups in head.S
 - Support for gcc machine instruction flags
 - defconfig updates for litex

I have tested these patches when verifying the glibc port by running the glibc
test suite.

Changes since v2:
 - Don't enabled class II instructions by default
Changes since v1:
 - Fix if/elif issue in emergency print fixes pointed out by Samuel Holland

Stafford Horne (13):
  openrisc: Add gcc machine instruction flag configuration
  openrisc: Cleanup emergency print handling
  openrisc: Add support for liteuart emergency printing
  openrisc: Add syscall details to emergency syscall debugging
  openrisc: Pretty print show_registers memory dumps
  openrisc: Update litex defconfig to support glibc userland
  openrisc/traps: Declare file scope symbols as static
  openrisc/traps: Remove die_if_kernel function
  openrisc/traps: Declare unhandled_exception for asmlinkage
  openrisc/time: Fix symbol scope warnings
  openrisc/delay: Add include to fix symbol not declared warning
  openrisc/fault: Fix symbol scope warnings
  openrisc: Remove unused IMMU tlb workardound

 arch/openrisc/Kconfig                     |  53 ++++
 arch/openrisc/Makefile                    |  17 +
 arch/openrisc/configs/or1klitex_defconfig |  32 ++
 arch/openrisc/kernel/entry.S              |  20 +-
 arch/openrisc/kernel/head.S               | 368 ++++++----------------
 arch/openrisc/kernel/time.c               |   3 +-
 arch/openrisc/kernel/traps.c              |  63 ++--
 arch/openrisc/lib/delay.c                 |   1 +
 arch/openrisc/mm/fault.c                  |   4 +-
 9 files changed, 254 insertions(+), 307 deletions(-)

-- 
2.31.1