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Subject: Re: [PATCH -next 0/2] riscv: Fix two vdso issue
To:     Tong Tiangen <tongtiangen@huawei.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        "Palmer Dabbelt" <palmerdabbelt@google.com>,
        Albert Ou <aou@eecs.berkeley.edu>
CC:     <linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org>
References: <20210819030650.716478-1-tongtiangen@huawei.com>
From:   Kefeng Wang <wangkefeng.wang@huawei.com>
Message-ID: <7b9520dd-1c61-4a5f-7239-b42f5f37cb54@huawei.com>
Date:   Thu, 19 Aug 2021 13:24:24 +0800
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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@huawei.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(-)
>