[Feature][HMEM] hot plug device DAX back into the kernel

[quanxian]

Description:
Hot plug device DAX back into the kernel.

Target Kernel: 5.1
Target Release: 19.10

[Leann Ogasawara (leannogasawara)]

Is there a list of commits we should confirm for 18.04?

[Joseph Salisbury (jsalisbury)]

Can we move this bug to the "Linux" package and make it public?

[quanxian (quanxian-wang)]

the commit is not ready in upstream. not public. Thanks for your understanding.

[Joseph Salisbury (jsalisbury)]

Thanks for the update. Can you post a comment when it's ok to move this bug over to the linux package and make it public?

[quanxian (quanxian-wang)]

yes, I will do. Thanks

[quanxian (quanxian-wang)]

c221c0b0308f device-dax: "Hotplug" persistent memory for use like normal RAM
2b539aefe9e4 mm/resource: Let walk_system_ram_range() search child resources
2794129e902d mm/memory-hotplug: Allow memory resources to be children
b926b7f3baec mm/resource: Move HMM pr_debug() deeper into resource code
5cd401ace914 mm/resource: Return real error codes from walk failures
c347bd71dcdb device-dax: Add a 'modalias' attribute to DAX 'bus' devices
21c75763a3ae device-dax: Add a 'target_node' attribute
664525b2d84a device-dax: Auto-bind device after successful new_id
8fc5c73554db acpi/nfit, device-dax: Identify differentiated memory with a unique numa-node
730926c3b099 device-dax: Add /sys/class/dax backwards compatibility
d200781ef237 device-dax: Add support for a dax override driver
89ec9f2cfa36 device-dax: Move resource pinning+mapping into the common driver
9567da0b408a device-dax: Introduce bus + driver model
51cf784c42d0 device-dax: Start defining a dax bus model
753a0850e707 device-dax: Remove multi-resource infrastructure
93694f9630b0 device-dax: Kill dax_region base
21b9e979501f device-dax: Kill dax_region ida

[quanxian (quanxian-wang)]

git tag --contains c221c0b0308f
v5.1-rc1
git tag --contains 2b539aefe9e4
v5.1-rc1
git tag --contains 2794129e902d
v5.1-rc1
git tag --contains b926b7f3baec
v5.1-rc1
git tag --contains 5cd401ace914
v5.1-rc1
git tag --contains c347bd71dcdb
v5.1-rc1
git tag --contains 21c75763a3ae
v5.1-rc1
git tag --contains 664525b2d84a
v5.1-rc1
git tag --contains 8fc5c73554db
v5.1-rc1
git tag --contains 730926c3b099
v5.1-rc1
git tag --contains d200781ef237
v5.1-rc1
git tag --contains 89ec9f2cfa36
v5.1-rc1
git tag --contains 9567da0b408a
v5.1-rc1
git tag --contains 51cf784c42d0
v5.1-rc1
git tag --contains 753a0850e707
v5.1-rc1
git tag --contains 93694f9630b0
v5.1-rc1
git tag --contains 21b9e979501f
v5.1-rc1

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1730872

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.