linux-kernel - Re: [PATCH] erofs: use HIPRI by default if per-cpu kthreads are enabled

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Message-ID: <57c5f06c-ac41-d6c7-3a07-45d07f676577@kernel.org>
Date:   Tue, 23 May 2023 11:26:29 +0800
From:   Chao Yu <chao@...nel.org>
To:     Gao Xiang <hsiangkao@...ux.alibaba.com>,
        linux-erofs@...ts.ozlabs.org
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Sandeep Dhavale <dhavale@...gle.com>
Subject: Re: [PATCH] erofs: use HIPRI by default if per-cpu kthreads are
 enabled

On 2023/5/22 17:21, Gao Xiang wrote:
> As Sandeep shown [1], high priority RT per-cpu kthreads are
> typically helpful for Android scenarios to minimize the scheduling
> latencies.
> 
> Switch EROFS_FS_PCPU_KTHREAD_HIPRI on by default if
> EROFS_FS_PCPU_KTHREAD is on since it's the typical use cases for
> EROFS_FS_PCPU_KTHREAD.
> 
> Also clean up unneeded sched_set_normal().
> 
> [1] https://lore.kernel.org/r/CAB=BE-SBtO6vcoyLNA9F-9VaN5R0t3o_Zn+FW8GbO6wyUqFneQ@mail.gmail.com
> Cc: Sandeep Dhavale <dhavale@...gle.com>
> Signed-off-by: Gao Xiang <hsiangkao@...ux.alibaba.com>

Reviewed-by: Chao Yu <chao@...nel.org>

Thanks,