netdev - Re: [PATCH net 2/2] net: hns3: add cond_resched() to hns3 ring buffer init process

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Date: Thu, 6 Jun 2024 17:27:14 +0100
From: Simon Horman <horms@...nel.org>
To: Jijie Shao <shaojijie@...wei.com>
Cc: yisen.zhuang@...wei.com, salil.mehta@...wei.com, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	shenjian15@...wei.com, wangjie125@...wei.com,
	liuyonglong@...wei.com, chenhao418@...wei.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net 2/2] net: hns3: add cond_resched() to hns3 ring
 buffer init process

On Wed, Jun 05, 2024 at 03:20:58PM +0800, Jijie Shao wrote:
> From: Jie Wang <wangjie125@...wei.com>
> 
> Currently hns3 ring buffer init process would hold cpu too long with big
> Tx/Rx ring depth. This could cause soft lockup.
> 
> So this patch adds cond_resched() to the process. Then cpu can break to
> run other tasks instead of busy looping.
> 
> Fixes: a723fb8efe29 ("net: hns3: refine for set ring parameters")
> Signed-off-by: Jie Wang <wangjie125@...wei.com>
> Signed-off-by: Jijie Shao <shaojijie@...wei.com>

Reviewed-by: Simon Horman <horms@...nel.org>