linux-kernel - Re: Disable RT_GROUP_SCHED in PREEMPT_RT

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Message-ID: <194aa1b6-0d98-d4ef-397a-a6ddca02cc6a@huawei.com>
Date:   Mon, 10 Dec 2018 15:50:20 +0800
From:   gengdongjiu <gengdongjiu@...wei.com>
To:     zhang jianwei <jianwei_z@...mail.com>, tglx <tglx@...utronix.de>,
        efault <efault@....de>, <linux-rt-users@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Disable RT_GROUP_SCHED in PREEMPT_RT_FULL

Loop RT kernel Mailing lists.


On 2018/12/10 1:04, zhang jianwei wrote:
> hi Thomas and Mike，
> i say you disabled the RT_GROUP_SCHED in RT kernel because of strange cpu stall was observed. currently, in my projects, I need enable RT_GROUP_SCHED in RT kernel. I’d like to know how to reproduce the strange cpu stall in order to fix this bug. can you guys give me some advice  about how to fix this problem.
> Thanks in advance!
> 
> 
> patched mentioned 
> https://lore.kernel.org/patchwork/patch/313215/
> 
>