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-
