I've checked the code, yes, now anck 4.19 supports pidfd_open but not
pidfd_send_signal.
When cherry-pick features from upstream, it depends on requirements.
So if you want anck 4.19 supports pidfd_send_signal, please submit a
requirement, thanks.
Joseph
On 7/25/22 5:20 PM, lywjk(a)outlook.com wrote:
> 内核：Linux g2-alive-hz-03 4.19.91-26.an8.x86_64 #1 SMP Tue May 24 13:10:09 CST 2022 x86_64 x86_64 x86_64 GNU/Linux
> AnolisOS 8.4 ANCK内核，8.6也一样。
>
> crun开发者的回复：
> I am fine to add a workaround, but I'd like to understand what is going on.
> What system are you running?
> It seems your kernel has support for pidfd_open but not for pidfd_send_signal.
> pidfd_open was added to Linux v5.3 while pidfd_send_signal to v5.1
>
> 是否是ANCK内核添加了5.3的特性又没有添加5.1的特性呢？
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Hi, all
I'm glad to invide Yihao Wu <wuyihao(a)linux.alibaba.com> as maintainer
of ANCK scheduler.
Yihao is working on linux kernel scheduler for 5 years, and show great
interest in kernel technologies.
Here are some highlight contributions from Yihao:
1. Implement the lastest version of CPU SLI feature (Sevice Level Index)
for rich container;
this new version show great advantages in performance and accuracy.
2. Design and implement cpu isolation solution for function computing
running on Daishu, which
enable 2000 microvm running on one machine which acceptable overhead
(< 1%).
3. The core develper in plugsched project, which aims to upgrade linux
kernel scheduler subsystem online.
more details please visit project repo:
https://gitee.com/anolis/plugsched
4. Backport cpuidle-haltpoll feature to ANCK and optimize performance
for virtual machine.
5. Proficient in problem analysis, be skilled using gdb, crash, pyGDB,
qemu ...
https://lore.kernel.org/all/20220428103726.108597-1-wuyihao@linux.alibaba.c…
Working with Yihao is efficient and have a sense of achievement. Let us
hope it happens soon.
-- csp
> Hi, all
>
>
> I'm glad to invide Yihao Wu <wuyihao(a)linux.alibaba.com> as maintainer
> of ANCK scheduler.
> Yihao is working on linux kernel scheduler for 5 years, and show great
> interest in kernel technologies.
>
> Here are some highlight contributions from Yihao:
>
> 1. Implement the lastest version of CPU SLI feature (Sevice Level Index)
> for rich container;
> this new version show great advantages in performance and accuracy.
>
> 2. Design and implement cpu isolation solution for function computing
> running on Daishu, which
> enable 2000 microvm running on one machine which acceptable overhead
> (< 1%).
>
> 3. The core develper in plugsched project, which aims to upgrade linux
> kernel scheduler subsystem online.
> more details please visit project repo:
> https://gitee.com/anolis/plugsched
>
> 4. Backport cpuidle-haltpoll feature to ANCK and optimize performance
> for virtual machine.
>
> 5. Proficient in problem analysis, be skilled using gdb, crash, pyGDB,
> qemu ...
> https://lore.kernel.org/all/20220428103726.108597-1-wuyihao@linux.alibaba.c…
>
>
>
> Working with Yihao is efficient and have a sense of achievement. Let us
> hope it happens soon.
Looks great to me.
Acked-by: Baolin Wang <baolin.wang(a)linux.alibaba.com>
Hi,
The ANCK-5.10 next release has been code frozen yesterday（4.20), the
develop branch "devel-5.10" has been rebased to the latest upstream
stable branch "5.10.112" as planned.
Please note that your forked branch need pull the latest devel-5.10,
especially for the PR in progress.
Thanks for your attention!
BS.
-- Shiloong
