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

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Message-ID: <20131029192720.GA24089@infradead.org>
Date:	Tue, 29 Oct 2013 12:27:20 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Jan Kara <jack@...e.cz>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Jens Axboe <axboe@...nel.dk>,
	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 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.

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