netdev - Re: [PATCH net-next v5 1/9] xen-netback: Introduce TX grant map definitions

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Message-ID: <530503C3.4050307@citrix.com>
Date:	Wed, 19 Feb 2014 19:19:31 +0000
From:	Zoltan Kiss <zoltan.kiss@...rix.com>
To:	Ian Campbell <Ian.Campbell@...rix.com>
CC:	<wei.liu2@...rix.com>, <xen-devel@...ts.xenproject.org>,
	<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<jonathan.davies@...rix.com>
Subject: Re: [PATCH net-next v5 1/9] xen-netback: Introduce TX grant map definitions

On 18/02/14 17:24, Ian Campbell wrote:
> On Mon, 2014-01-20 at 21:24 +0000, Zoltan Kiss wrote:
>>
>> +       spinlock_t dealloc_lock;
>> +       spinlock_t response_lock;
>
> Please add comments to both of these describing what bits of the
> datastructure they are locking.
>
> You might find it is clearer to group the locks and the things they
> protect together rather than grouping the locks together.

Ok, I'll give more description here. The response_lock is actually quite 
relevant to be here, but indeed that's not obvious, I'll explain that as 
well.

Zoli

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