[PATCH -next 0/2] riscv: Fix two vdso issue

[Tong Tiangen]

1) Move vdso data page up front and introduce enum vvar_pages, To pave the way
for the subsequent support of TIME_NS, the support of TIME_NS will be issued
in the later patch.

2) In arch_setup_additional_pages(), make Wait for the lock in the killable mode
and return with EINTR if the task got killed while waiting.

Tong Tiangen (2):
  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  |  2 ++
 arch/riscv/include/asm/vdso.h     |  4 +--
 arch/riscv/kernel/vdso.c          | 51 ++++++++++++++++++-------------
 arch/riscv/kernel/vdso/vdso.lds.S |  3 +-
 4 files changed, 36 insertions(+), 24 deletions(-)

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2.18.0.huawei.25