Re: [PATCH 01/11] Export __smp_call_function_single()
From: Jens Axboe
Date: Thu Oct 24 2013 - 06:17:01 EST
On Thu, Oct 24 2013, Christoph Hellwig wrote:
> On Thu, Oct 24, 2013 at 10:25:54AM +0100, Jens Axboe wrote:
> > The blk-mq core and the blk-mq null driver uses it.
> Can't say I really like exporting it as all users will need a major
> ifdef mess. If at all we'd expose the higher level add to llist and ipi
> abstraction that both blk-mq and the null_blk driver use.
> For now I'd just suggest removing the NULL_IRQ_SOFTIRQ mode from
> null_blk and decouple that from blk-mq itself. I'll try to cook up such
> an abstraction in the meantime.
Agree, lets get a proper interface exported for this from kernel/smp.c
instead. I've killed this patch and the softirq mode in null_blk for
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