linux-kernel - [PATCH 0/7] RFC: __smp_call_function

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Message-Id: <20131024151921.537751910@bombadil.infradead.org>
Date:	Thu, 24 Oct 2013 08:19:21 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Jens Axboe <axboe@...nel.dk>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 0/7] RFC: __smp_call_function_single improvements

This series is on top of the blk-mq series Jens just set out and changes
the generic IPI mechanism to be directly usable for block completions.

Besides always making __smp_call_function_single constantly available it
changes it to use a lockless list that avoids the overhead of disabling
irq and a lock every time it is called.
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