Re: [PATCH] block: really disable runtime-pm for blk-mq

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On Mon, 2018-07-30 at 20:02 +-0800, Ming Lei wrote:
+AD4- Runtime PM isn't ready for blk-mq yet, and commit 765e40b675a9 (+ACI-block:
+AD4- disable runtime-pm for blk-mq+ACI-) tried to disable it. Unfortunately,
+AD4- it can't take effect in that way since user space still can switch
+AD4- it on via 'echo auto +AD4- /sys/block/sdN/device/power/control'.
+AD4- 
+AD4- This patch disables runtime-pm for blk-mq really by pm+AF8-runtime+AF8-disable()
+AD4- and fixes all kinds of PM related kernel crash.

Reviewed-by: Bart Van Assche +ADw-bart.vanassche+AEA-wdc.com+AD4-






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