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author | David Gibson <david@gibson.dropbear.id.au> | 2017-05-12 15:46:11 +1000 |
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committer | David Gibson <david@gibson.dropbear.id.au> | 2017-07-17 15:07:05 +1000 |
commit | 30f4b05bd090564181554d0890605eb2c143e4ea (patch) | |
tree | ac2f6656ac80dec20a9ea7ddd86a410690222c34 /Changelog | |
parent | 2ee77040f53b7720579d897544604e45b3d41963 (diff) | |
download | qemu-30f4b05bd090564181554d0890605eb2c143e4ea.zip qemu-30f4b05bd090564181554d0890605eb2c143e4ea.tar.gz qemu-30f4b05bd090564181554d0890605eb2c143e4ea.tar.bz2 |
pseries: Stubs for HPT resizing
This introduces stub implementations of the H_RESIZE_HPT_PREPARE and
H_RESIZE_HPT_COMMIT hypercalls which we hope to add in a PAPR
extension to allow run time resizing of a guest's hash page table. It
also adds a new machine property for controlling whether this new
facility is available.
For now we only allow resizing with TCG, allowing it with KVM will require
kernel changes as well.
Finally, it adds a new string to the hypertas property in the device
tree, advertising to the guest the availability of the HPT resizing
hypercalls. This is a tentative suggested value, and would need to be
standardized by PAPR before being merged.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Diffstat (limited to 'Changelog')
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