netdev - Re: [PATCH 2/5] rds: ib: replace spin_lock_irq with spin_lock

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Message-ID: <65ac3de8-9fdd-b5c5-b7aa-aa4393626551@oracle.com>
Date:   Thu, 9 Mar 2017 08:50:14 -0800
From:   Santosh Shilimkar <santosh.shilimkar@...cle.com>
To:     Zhu Yanjun <yanjun.zhu@...cle.com>, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, rds-devel@....oracle.com
Subject: Re: [PATCH 2/5] rds: ib: replace spin_lock_irq with spin_lock_irqsave

On 3/8/2017 11:26 PM, Zhu Yanjun wrote:
> It is difficult to make sure the state of the interrupt when this
> function is called. As such, it is safer to use spin_lock_irqsave
> than spin_lock_irq.
>
There is no reason to hold irqs  and as such the code path is
safe from irq context. I don't see need of this change unless
you have test case which showed some issue.

Regards,
Santosh