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From: Liu Shixin <liushixin2@huawei.com>
To: Tong Tiangen <tongtiangen@huawei.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmerdabbelt@google.com>,
	"Palmer Dabbelt" <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>, <abdulras@google.com>
Cc: <linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH -next v3 0/3] riscv: Fix two vdso issue
Date: Tue, 28 Sep 2021 10:19:56 +0800	[thread overview]
Message-ID: <935c5e32-8df2-670d-da33-869e6dce4917@huawei.com> (raw)
In-Reply-To: <20210901024621.2528797-1-tongtiangen@huawei.com>

On 2021/9/1 10:46, Tong Tiangen wrote:
> v3->v2:
>   Adapt to the latest code.
>
> v2->v1:
>   Add patch "Refactor asm/vdso.h" to avoid vdso.lds syntax error if
>   CONFIG_GENERIC_TIME_VSYSCALL=n.
>
> 1) Move vdso data page up front and introduce enum vvar_pages, This makes it
> easier to introduce new feature TIME_NS.
>
> 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 (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     | 15 ++++-----
>  arch/riscv/kernel/syscall_table.c |  1 -
>  arch/riscv/kernel/vdso.c          | 53 +++++++++++++++++++------------
>  arch/riscv/kernel/vdso/vdso.lds.S |  3 +-
>  5 files changed, 42 insertions(+), 31 deletions(-)
>

Test-by: Liu Shixin <liushixin2@huawei.com>

WARNING: multiple messages have this Message-ID (diff)
From: Liu Shixin <liushixin2@huawei.com>
To: Tong Tiangen <tongtiangen@huawei.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmerdabbelt@google.com>,
	"Palmer Dabbelt" <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>, <abdulras@google.com>
Cc: <linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH -next v3 0/3] riscv: Fix two vdso issue
Date: Tue, 28 Sep 2021 10:19:56 +0800	[thread overview]
Message-ID: <935c5e32-8df2-670d-da33-869e6dce4917@huawei.com> (raw)
In-Reply-To: <20210901024621.2528797-1-tongtiangen@huawei.com>

On 2021/9/1 10:46, Tong Tiangen wrote:
> v3->v2:
>   Adapt to the latest code.
>
> v2->v1:
>   Add patch "Refactor asm/vdso.h" to avoid vdso.lds syntax error if
>   CONFIG_GENERIC_TIME_VSYSCALL=n.
>
> 1) Move vdso data page up front and introduce enum vvar_pages, This makes it
> easier to introduce new feature TIME_NS.
>
> 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 (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     | 15 ++++-----
>  arch/riscv/kernel/syscall_table.c |  1 -
>  arch/riscv/kernel/vdso.c          | 53 +++++++++++++++++++------------
>  arch/riscv/kernel/vdso/vdso.lds.S |  3 +-
>  5 files changed, 42 insertions(+), 31 deletions(-)
>

Test-by: Liu Shixin <liushixin2@huawei.com>

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  parent reply	other threads:[~2021-09-28  2:20 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-01  2:46 [PATCH -next v3 0/3] riscv: Fix two vdso issue Tong Tiangen
2021-09-01  2:46 ` Tong Tiangen
2021-09-01  2:46 ` [PATCH -next v3 1/3] riscv/vdso: Refactor asm/vdso.h Tong Tiangen
2021-09-01  2:46   ` Tong Tiangen
2021-09-01  2:46 ` [PATCH -next v3 2/3] riscv/vdso: Move vdso data page up front Tong Tiangen
2021-09-01  2:46   ` Tong Tiangen
2021-09-01  2:46 ` [PATCH -next v3 3/3] riscv/vdso: make arch_setup_additional_pages wait for mmap_sem for write killable Tong Tiangen
2021-09-01  2:46   ` Tong Tiangen
2021-09-28  2:19 ` Liu Shixin [this message]
2021-09-28  2:19   ` [PATCH -next v3 0/3] riscv: Fix two vdso issue Liu Shixin
2021-09-28  2:30   ` tongtiangen
2021-09-28  2:30     ` tongtiangen
2021-09-29 10:12 ` Kefeng Wang
2021-09-29 10:12   ` Kefeng Wang
2021-10-02 20:24 ` Palmer Dabbelt
2021-10-02 20:24   ` Palmer Dabbelt

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