linux-kernel - Re: [PATCH 6/7] kernel: use lockless list for smp_call_function

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Message-ID: <527027B1.8070808@kernel.dk>
Date:	Tue, 29 Oct 2013 15:25:05 -0600
From:	Jens Axboe <axboe@...nel.dk>
To:	Jan Kara <jack@...e.cz>, Christoph Hellwig <hch@...radead.org>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/7] kernel: use lockless list for smp_call_function_single

On 10/29/2013 03:17 PM, Jan Kara wrote:
> On Tue 29-10-13 12:27:20, Christoph Hellwig wrote:
>> On Tue, Oct 29, 2013 at 08:25:36PM +0100, Jan Kara wrote:
>>>   I'm wondering: Who's still using the normal list_head? I was grepping for
>>> a while and I couldn't find any user. Otherwise the patch looks good to me.
>>
>> The block/blk-softirq.c code is abusing it in a fairly ugly way.
>   Ah, thanks for the pointer. Looking into the code, that could easily use
> llist as well, couldn't it?

Sure, it'd be easy enough to do.

-- 
Jens Axboe

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