[GIT PULL] LoongArch fixes for v6.2-rc5

[Huacai Chen]

The following changes since commit 5dc4c995db9eb45f6373a956eb1f69460e69e6d4:

  Linux 6.2-rc4 (2023-01-15 09:22:43 -0600)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson.git tags/loongarch-fixes-6.2-1

for you to fetch changes up to dc74a9e8a8c57966a563ab078ba91c8b2c0d0a72:

  LoongArch: Add generic ex-handler unwind in prologue unwinder (2023-01-17 11:42:16 +0800)

----------------------------------------------------------------
LoongArch fixes for v6.2-rc5

Fix a missing elf_hwcap, fix some stack unwinder bugs and two trivial
cleanups.
----------------------------------------------------------------
Huacai Chen (1):
      LoongArch: Add HWCAP_LOONGARCH_CPUCFG to elf_hwcap

Jinyang He (5):
      LoongArch: Adjust PC value when unwind next frame in unwinder
      LoongArch: Get frame info in unwind_start() when regs is not available
      LoongArch: Use correct sp value to get graph addr in stack unwinders
      LoongArch: Strip guess unwinder out from prologue unwinder
      LoongArch: Add generic ex-handler unwind in prologue unwinder

Tiezhu Yang (1):
      LoongArch: Use common function sign_extend64()

Youling Tang (1):
      LoongArch: Simplify larch_insn_gen_xxx implementation

 arch/loongarch/include/asm/ftrace.h     |   2 -
 arch/loongarch/include/asm/inst.h       |   9 +-
 arch/loongarch/include/asm/unwind.h     |  41 +++++-
 arch/loongarch/kernel/Makefile          |   2 +-
 arch/loongarch/kernel/alternative.c     |   6 +-
 arch/loongarch/kernel/cpu-probe.c       |   2 +-
 arch/loongarch/kernel/genex.S           |   3 +
 arch/loongarch/kernel/inst.c            |  45 +-----
 arch/loongarch/kernel/process.c         |  12 +-
 arch/loongarch/kernel/traps.c           |   3 -
 arch/loongarch/kernel/unwind.c          |  32 ++++
 arch/loongarch/kernel/unwind_guess.c    |  49 +------
 arch/loongarch/kernel/unwind_prologue.c | 252 +++++++++++++++++++-------------
 arch/loongarch/mm/tlb.c                 |   2 +-
 14 files changed, 247 insertions(+), 213 deletions(-)
 create mode 100644 arch/loongarch/kernel/unwind.c