Messages in this thread |  | | From | Ulf Hansson <> | Date | Wed, 4 Oct 2017 11:48:27 +0200 | Subject | Re: [PATCH V9 13/15] mmc: block: Add CQE and blk-mq support |
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>> MQ code that doesn't perform and therefore we cannot switch seamlessly >> to MQ. > > I think that switching seamlessly to blk-mq in short/medium-term > is not possible (SCSI tried and failed to do so). The changes to > the old path are very complex and besides affecting performance > they also affect error recovery handling (which needs to be tested > properly before the switch).
Agreed, and that's why I have queued up the new Kconfig option for enabling the blkmq path from MMC.
Kind regards Uffe
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