Messages in this thread | | | Date | Thu, 29 Oct 2020 14:57:43 +0000 | From | Christoph Hellwig <> | Subject | Re: [PATCH 3/3] blk-mq: Use llist_head for blk_cpu_done |
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On Thu, Oct 29, 2020 at 03:56:23PM +0100, Sebastian Andrzej Siewior wrote: > On 2020-10-29 14:05:36 [+0000], Christoph Hellwig wrote: > > Well, usb-storage obviously seems to do it, and the block layer > > does not prohibit it. > > Also loop, nvme-tcp and then I stopped looking. > Any objections about adding local_bh_disable() around it?
To me it seems like the whole IPI plus potentially softirq dance is a little pointless when completing from process context.
Sagi, any opinion on that from the nvme-tcp POV?
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