On Mon, 2018-01-29 at 23:46 +0800, Ming Lei wrote: [...] > 2. When to enable SCSI_MQ at default again? I'm not sure there's much to discuss ... I think the basic answer is as soon as Christoph wants to try it again. > SCSI_MQ is enabled on V3.17 firstly, but disabled at default. In > V4.13-rc1, it is enabled at default, but later the patch is reverted > in V4.13-rc7, and becomes disabled at default too. > > Now both the original reported PM issue(actually SCSI quiesce) and > the sequential IO performance issue have been addressed. Is the blocker bug just not closed because no-one thought to do it: https://bugzilla.kernel.org/show_bug.cgi?id=178381 (we have confirmed that this issue is now fixed with the original reporter?) And did the Huawei guy (Jonathan Cameron) confirm his performance issue was fixed (I don't think I saw email that he did)? James
