[PATCH -next v3 0/3] riscv: Fix two vdso issue

tongtiangen tongtiangen at huawei.com
Mon Sep 27 19:30:39 PDT 2021


kindly ping.

On 2021/9/28 10:19, Liu Shixin wrote:
> 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 at huawei.com>
> .
>



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