netdev - 答复: [PATCH] net: ax25: replace bh_lock_sock with lock_sock_fast in ax25_rt

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Date:   Thu, 4 Apr 2019 06:13:19 +0000
From:   "Li,Rongqing" <lirongqing@...du.com>
To:     Eric Dumazet <eric.dumazet@...il.com>,
        "ralf@...ux-mips.org" <ralf@...ux-mips.org>,
        "linux-hams@...r.kernel.org" <linux-hams@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: 答复: [PATCH] net: ax25: replace bh_lock_sock with lock_sock_fast in ax25_rt_autobind



> -----邮件原件-----
> 发件人: Eric Dumazet [mailto:eric.dumazet@...il.com]
> 发送时间: 2019年4月4日 11:52
> 收件人: Li,Rongqing <lirongqing@...du.com>; ralf@...ux-mips.org;
> linux-hams@...r.kernel.org; netdev@...r.kernel.org
> 主题: Re: [PATCH] net: ax25: replace bh_lock_sock with lock_sock_fast in
> ax25_rt_autobind
> 
> 
> 
> On 04/03/2019 05:51 PM, Li RongQing wrote:
> > ax25_rt_autobind is always called in user context, so lock_sock_fast
> > should be used, and bh_lock_sock should only be used in BH context
> > this replacement fixes a possible deadlock
> >
> >
> 
> How have you tested this patch exactly ?

Sorry, Please drop this patch.


-Q