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

From: Kefeng Wang
Date: Thu Aug 19 2021 - 01:24:34 EST


On 2021/8/19 11:06, Tong Tiangen wrote:
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.

For series,

Reviewed-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>


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(-)