** Changed in: ubuntu-z-systems
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1707921
Title:
[17.10 FEAT] SCM multi-queue support
Status in Ubuntu on IBM z Systems:
In Progress
Status in linux package in Ubuntu:
In Progress
Bug description:
The upstream Linux kernel developers indicated that the traditional
single-queue block layer interface will be deprecated in the near future.
Block device drivers using this interface must be migrated to the new
multi-queue Linux block layer (blk-mq) interface to remain compatible with
future versions of the Linux kernel.x
Commit information:
s390/scm: remove cluster option [94d26bf (+3/-361)
s390/scm: convert to blk-mq [12d9076] (+74/-65)
s390/scm: convert tasklet [c7b3e923] (+15/-40)
s390/scm: use multiple queues [9861dbd] (+42/-13)
s390/cio: introduce io_subchannel_type [36f6237] (+50/-99)
s390/pci: don't cleanup in arch_setup_msi_irqs [795818e] (+18/-29)
s390/pci: improve error handling during interrupt deregistration [4dfbd3e]
(+25/-16)
s390/pci: improve unreg_ioat error handling [7257083] (+17/-6)
s390/pci: improve error handling during fmb (de)registration [4e5bd78]
(+21/-30)
s390/pci: introduce clp_get_state [783684f] (+47/-14)
s390/pci: improve pci hotplug [623bd44] (+21/-3)
s390/pci: fix handling of PEC 306 [01553d9] (+24/-32)
s390/pci: provide more debug information [be2c367] (+4/-2)
s390/pci: recognize name clashes with uids [312e846] (+11/-1)
genirq/debugfs: Fix build for !CONFIG_IRQ_DOMAIN [e5682b4] (+3/-1)
s390/dasd: remove unneeded code [4bca698] (+3/-5)
s390/vfio_ccw: remove unused variable [c14b7a8] (+0/-2)
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