[GIT PULL] LoongArch fixes for v6.0-rc3

[Huacai Chen]

The following changes since commit 1c23f9e627a7b412978b4e852793c5e3c3efc555:

  Linux 6.0-rc2 (2022-08-21 17:32:54 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson.git tags/loongarch-fixes-6.0-1

for you to fetch changes up to b83699ea1e62951857c2d8648bd93a4744899eb7:

  LoongArch: mm: Avoid unnecessary page fault retires on shared memory types (2022-08-25 19:34:59 +0800)

----------------------------------------------------------------
LoongArch fixes for v6.0-rc3

Fix a bunch of build errors/warnings, a poweroff error and an unbalanced
locking in do_page_fault().
----------------------------------------------------------------
Huacai Chen (6):
      LoongArch: Select PCI_QUIRKS to avoid build error
      LoongArch: Fix build warnings in VDSO
      LoongArch: Cleanup reset routines with new API
      LoongArch: Cleanup headers to avoid circular dependency
      LoongArch: Add subword xchg/cmpxchg emulation
      LoongArch: mm: Avoid unnecessary page fault retires on shared memory types

 arch/loongarch/Kconfig                 |  1 +
 arch/loongarch/include/asm/addrspace.h | 16 ++++++
 arch/loongarch/include/asm/cmpxchg.h   | 98 +++++++++++++++++++++++++++++++++-
 arch/loongarch/include/asm/io.h        | 19 -------
 arch/loongarch/include/asm/page.h      |  2 +-
 arch/loongarch/include/asm/percpu.h    |  8 +++
 arch/loongarch/include/asm/pgtable.h   |  7 ++-
 arch/loongarch/include/asm/reboot.h    | 10 ----
 arch/loongarch/kernel/reset.c          | 69 ++++++++----------------
 arch/loongarch/mm/fault.c              |  4 ++
 arch/loongarch/mm/mmap.c               | 11 +---
 arch/loongarch/vdso/vgetcpu.c          |  2 +
 arch/loongarch/vdso/vgettimeofday.c    | 15 +++---
 13 files changed, 164 insertions(+), 98 deletions(-)
 delete mode 100644 arch/loongarch/include/asm/reboot.h