[GIT PULL] RISC-V Fixes for 5.15-rc5

[Palmer Dabbelt]

The following changes since commit 6880fa6c56601bb8ed59df6c30fd390cc5f6dd8f:

  Linux 5.15-rc1 (2021-09-12 16:28:37 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git tags/riscv-for-linus-5.15-rc5

for you to fetch changes up to 3ef6ca4f354c53abf263cbeb51e7272523c294d8:

  checksyscalls: Unconditionally ignore fstat{,at}64 (2021-10-07 17:16:28 -0700)

----------------------------------------------------------------
RISC-V Fixes for 5.15-rc5

* A pair of fixes (along with the necessary cleanup) to our VDSO, to
  avoid
* A fix to checksyscalls to teach it about our rv32 UABI.
* A fix to add clone3() to the rv32 UABI, which was pointed out by
  checksyscalls.
* A fix to properly flush the icache on the local CPU in addition to the
  remote CPUs.

----------------------------------------------------------------
Alexandre Ghiti (1):
      riscv: Flush current cpu icache before other cpus

Palmer Dabbelt (4):
      Merge remote-tracking branch 'palmer/riscv-vdso-cleanup' into fixes
      RISC-V: Include clone3() on rv32
      Merge remote-tracking branch 'palmer/riscv-clone3' into fixes
      checksyscalls: Unconditionally ignore fstat{,at}64

Tong Tiangen (3):
      riscv/vdso: Refactor asm/vdso.h
      riscv/vdso: Move vdso data page up front
      riscv/vdso: make arch_setup_additional_pages wait for mmap_sem for write killable

 arch/riscv/include/asm/syscall.h     |  1 +
 arch/riscv/include/asm/vdso.h        | 18 ++++++++----
 arch/riscv/include/uapi/asm/unistd.h |  3 +-
 arch/riscv/kernel/syscall_table.c    |  1 -
 arch/riscv/kernel/vdso.c             | 53 ++++++++++++++++++++++--------------
 arch/riscv/kernel/vdso/vdso.lds.S    |  3 +-
 arch/riscv/mm/cacheflush.c           |  2 ++
 scripts/checksyscalls.sh             |  6 ++--
 8 files changed, 56 insertions(+), 31 deletions(-)