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

[Palmer Dabbelt]

On Fri, 08 Oct 2021 21:38:14 PDT (-0700), Palmer Dabbelt wrote:
> 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

Sorry, that should be something more like

   * A pair of fixes (along with the necessory cleanup) to our VDSO, to
     avoid a locking during OOM and to prevent the text from overflowing 
     into the data page.

> * 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(-)