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

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Date:   Thu, 19 Aug 2021 13:24:24 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Tong Tiangen <tongtiangen@...wei.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        "Palmer Dabbelt" <palmerdabbelt@...gle.com>,
        Albert Ou <aou@...s.berkeley.edu>
CC:     <linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next 0/2] riscv: Fix two vdso issue

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@...wei.com>

>
> 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(-)
>